Sony a7S III vs Sony FX3

Last Updated & Fact Checked:  October 15, 2022

Are you trying to decide between the Sony a7S III and the Sony FX3?

Product Versus will provide you with all the product details so you can quickly compare the facts to find which product is right for you – the Sony a7S III or the Sony FX3 – and find out exactly what the differences are.

Both the Sony a7S III and the Sony FX3 are quality products, so read on to find out which one is best for your needs!

Sony a7S III quick facts

Sony FX3 quick facts

Sony a7S III product details

Bestseller No. 1
Sony Alpha a7S III Mirrorless Digital Camera (Body Only) (ILCE7SM3/B) + 64GB Memory Card + NP-FZ100 Battery + Corel Photo Software + Case + External Charger + Card Reader + HDMI Cable + More (Renewed)
1 Reviews
Sony Alpha a7S III Mirrorless Digital Camera (Body Only) (ILCE7SM3/B) + 64GB Memory Card + NP-FZ100 Battery + Corel Photo Software + Case + External Charger + Card Reader + HDMI Cable + More (Renewed)
  • Bundle Includes: 1 x Sony Alpha a7S III Mirrorless Digital Camera (Body Only), 1 x SanDisk SecureDigital 64GB Extreme PRO Memory Card, 1 x NP-FZ100 Rechargeable Lithium-Ion Battery, 1 x Corel Photo Software With PhotoMirage, AfterShot, Painter Essentials, PaintShop Pro, and Video Studio, 1 x Large Padded Case, 1 x NP-FZ100 charger, 1 x Memory Card Reader, 1 x Micro HDMI Cable, 1 x Deluxe Cleaning Set, 1 x 12 Inch Flexible Tripod, 1 x Memory Card Wallet
  • Optimized video, optimized sensitivity, optimized speed, the Sony Alpha a7S III raises the bar for what a full-frame mirrorless camera is capable of. A revised 12.1MP Exmor R BSI CMOS sensor and updated BIONZ XR image processor offer faster performance, improved noise reduction, and a wider dynamic range, along with UHD 4K 120p video recording and internal 10-bit 4:2:2 sampling.
  • Video is the primary application of the a7S III, and improvements to the sensor and processor enable faster readout speeds and greatly reduced rolling shutter, along with high-bitrate internal recording, 16-bit raw output via the full-size HDMI port, and flexible control over motion with variable frame rate selection. The a7S III also does away with recording time limits and incorporates HLG for direct HDR production as well as S-Log2/S-Log3 gamma profiles for advanced HDR production.
  • The updated sensor design also brings improved autofocus performance via 759 phase-detection points, which offer intelligent subject tracking and Real-time Eye AF to ensure critical focus on moving subjects in all recording modes. The sensor and BIONZ XR processor also facilitate impressive sensitivity, with an expanded range from ISO 40-409600, as well as fast 10 fps continuous shooting for up to 1000 consecutive raw frames.
  • Key Features: 12MP Full-Frame Exmor R BSI CMOS Sensor - UHD 4K 120p Video, 10-Bit 4:2:2 Internal - 16-Bit Raw Output, HLG & S-Log3 Gammas - 759-Point Fast Hybrid AF - 9.44m-Dot QXGA OLED EVF - 3.0" 1.44m-Dot Vari-Angle Touchscreen - 5-Axis SteadyShot Image Stabilization - Extended ISO 40-409600, 10 fps Shooting - Dual CFexpress Type A/SD Card Slots.
Bestseller No. 2
Sony a7s III ILCE-7SM3/B Mirrorless Digital Camera with 35mm Full-Frame Image Sensor Body Double Battery Bundle Including Deco Gear Carry Case + 2X 64GB Memory Card (128GB Total) and Kit Accessories
1 Reviews
Sony a7s III ILCE-7SM3/B Mirrorless Digital Camera with 35mm Full-Frame Image Sensor Body Double Battery Bundle Including Deco Gear Carry Case + 2X 64GB Memory Card (128GB Total) and Kit Accessories
  • SONY USA AUTHORIZED - Includes Full SONY USA WARRANTY | Introducing the Sony Alpha a7S III - a new milestone in sensitivity, speed and image supremacy.
  • Featuring an all-new 12.1MP backside illuminated full-frame sensor with twice the readout speed for ultra-clean low-light images up to ISO 409,6003 with 15+ stops dynamic range and 3x reduction in rolling shutter, plus Sony's acclaimed fast hybrid autofocus with 759 phase detection AF points, and extra-strong body-integrated 5-axis optical image stabilization. A new BIONZ XR engine delivers 8x more processing power for up to 120p 4K 10-bit 4:2:2 and full pixel readout in all recording modes.
  • 3" Flip-out, Vari-angle LCD Monitor w/ Touch Menu and Controls | Dual card slots, both compatible with CFexpress Type A and SDXC/SDHC | 9.44M dot 0.64" QXGA OLED eye-level viewfinder | 16-bit RAW movie output up to 4K 60p via HDMI Type-A connector | Effective internal heat dissipation enables 1-hour 4K 60p recording | Up to 1000 RAW+JPEG at 10fps w/ continuous autofocus & exposure | Picture Profiles including 10-bit 4:2:2 HLG and S-Log 2 & 3 | MI shoe w/ digital audio interface up to 4ch. 24bit
  • CAMERA INCLUDES: Sony Alpha a7S III Full Frame Mirrorless Interchangeable Lens Camera ILCE-7SM3/B Body | Rechargeable Battery NP-FZ100 | Battery Charger BC-QZ1 | Power Cord | Cable Protector | Shoulder Strap | Body Cap | Accessory Shoe Cap | Eyepiece Cup | USB-A to USB-C Cable (USB 3.2) | Sony USA Authorized Warranty
  • BUNDLE INCLUDES: Deco Gear Photography Camera Bag Carry Case | 2x Lexar Professional 633x 64GB UHS-1 SDXC Memory Card (128 GB Total) | Compatible Battery for NP-FZ100 | Compatible Dual Battery Rapid Charger | 12" Tripod | Memory Card Reader | Memory Card Storage Case | Lens Blower | Microfiber Cloth | Lens Cap Keeper | Photo Video Editing Software Suite : piZap PRO, Ashampoo Photo Commander 16, Ashampoo Photo Optimizer 7, GRFX Studio Pro, PixTeller Lifetime 1-User, Vegas Movie Studio 16
Bestseller No. 3
Sony Alpha a7S III Mirrorless Digital Camera (Body Only) ILCE7SM3/B + 64GB Memory Card + 2 x NP-FZ-100 Battery + Corel Photo Software + Case + Card Reader + LED Light + More (Renewed)
4 Reviews
Sony Alpha a7S III Mirrorless Digital Camera (Body Only) ILCE7SM3/B + 64GB Memory Card + 2 x NP-FZ-100 Battery + Corel Photo Software + Case + Card Reader + LED Light + More (Renewed)
  • Bundle Includes: 1 x Sony Alpha a7S III Mirrorless Digital Camera (Body Only), 1 x SanDisk SecureDigital 64GB Extreme PRO Memory Card, 2 x NP-FZ100 Rechargeable Lithium-Ion Battery, 1 x Corel Photo Software With PhotoMirage, AfterShot, Painter Essentials, PaintShop Pro, and Video Studio, 1 x Large Padded Case, 1 x NP-FZ100 charger, 1 x Memory Card Reader, 1 x Mini Portable LED Video Light , 1 x Micro HDMI Cable, 1 x Deluxe Cleaning Set, 1 x 12 Inch Flexible Tripod, 1 x Memory Card Wallet
  • Optimized video, optimized sensitivity, optimized speed, the Sony Alpha a7S III raises the bar for what a full-frame mirrorless camera is capable of. A revised 12.1MP Exmor R BSI CMOS sensor and updated BIONZ XR image processor offer faster performance, improved noise reduction, and a wider dynamic range, along with UHD 4K 120p video recording and internal 10-bit 4:2:2 sampling.
  • Video is the primary application of the a7S III, and improvements to the sensor and processor enable faster readout speeds and greatly reduced rolling shutter, along with high-bitrate internal recording, 16-bit raw output via the full-size HDMI port, and flexible control over motion with variable frame rate selection. The a7S III also does away with recording time limits and incorporates HLG for direct HDR production as well as S-Log2/S-Log3 gamma profiles for advanced HDR production.
  • The updated sensor design also brings improved autofocus performance via 759 phase-detection points, which offer intelligent subject tracking and Real-time Eye AF to ensure critical focus on moving subjects in all recording modes. The sensor and BIONZ XR processor also facilitate impressive sensitivity, with an expanded range from ISO 40-409600, as well as fast 10 fps continuous shooting for up to 1000 consecutive raw frames.
  • Key Features: 12MP Full-Frame Exmor R BSI CMOS Sensor - UHD 4K 120p Video, 10-Bit 4:2:2 Internal - 16-Bit Raw Output, HLG & S-Log3 Gammas - 759-Point Fast Hybrid AF - 9.44m-Dot QXGA OLED EVF - 3.0" 1.44m-Dot Vari-Angle Touchscreen - 5-Axis SteadyShot Image Stabilization - Extended ISO 40-409600, 10 fps Shooting - Dual CFexpress Type A/SD Card Slots.

Sony FX3 product details

Bestseller No. 1
Sony Alpha FX3 ILME-FX3 | Full-frame Cinema Line Camera
59 Reviews
Sony Alpha FX3 ILME-FX3 | Full-frame Cinema Line Camera
  • 4K full-frame sensor w/ 15+ stop dynamic range and high sensitivity
  • S-Cinetone for expressive cinematic look inspired by VENICE colorimetry
  • Up to 4K 120p 10-bit 4:2:2 and full pixel readout in all recording modes
  • Compact cage free design w/ ¼”-20 mounting points and XLR top handle
  • Uninterrupted 4K 60p recording with inbody cooling fan
Bestseller No. 2
Sony FX3 Full-Frame Cinema Line Camera Tough 160GB CFexpress Type A Memory Card
  • Sony FX3 Full-Frame Cinema Line Camera - Accessory Shoe Cap - Accessory Shoe - Battery Charger (BC-QZ1) - Body Cap - Handle Shoe Cap - Power Cord - Rechargeable Battery (NP-FZ100) - USB-A to USB-C Cable (USB 3.2) - XLR Handle Unit - Sony 1 Year Limited Warranty - Sony TOUGH 160GB CFexpress Type A Memory Card
  • Full-frame performance with high sensitivity and wide dynamic range
  • High performance BIONZ XR image-processing engine
  • 4K (QFHD) high-frame-rate 120fps recording
  • Cinematic color science with S-Cinetone
Bestseller No. 3
Sony FX3 Full-Frame Cinema Camera with FE 24mm f/1.4 GM Lens & Accessory Bundle - Includes: XLR Handle Unit, SanDisk Extreme PRO 128GB SDXC Card, 2X Seller Supplied Replacement Batteries & More
  • Camera: 12.1MP Full-Frame CMOS Exmor R Sensor; UHD 4K up to 120 | 1080p up to 240; Compact Form for Cage-Free Operation; 10-Bit 4:2:2 XAVC S-I,16-Bit Raw Output
  • Camera: S-Cinetone/S-Log3/HLG, 15+ Stops DR; Detachable 2 x XLR/TRS Adapter Handle; Phase Detection AF/Face Tracking/Eye AF;
  • Camera: 80 to 409,600 Expanded ISO Range; Dual CFexpress Type A/SDXC Card Slots
  • Lens: E-Mount Lens/Full-Frame Format; Aperture Range: f/1.4 to f/16; Two XA Elements, Three ED Elements; Nano AR and Fluorine Coatings; Rounded 11-Blade Diaphragm
  • Lens: Direct Drive Super Sonic Wave AF Motor; AF/MF Switch; Internal Focus; Focus Hold Button; Physical Aperture Ring; De-Click Switch; Dust and Moisture-Resistant Construction

New products & alternatives to the Sony a7S III and the Sony FX3

New
Sony a7R III Full Frame Mirrorless Camera Body ILCE-7RM3A/B Filmmaker's Bundle Including DJI RS 3 Gimbal Stabilizer Kit + Deco Gear Photography Backpack + 64GB High Speed Card & Software
  • SONY USA AUTHORIZED MODEL - Includes Full SONY USA WARRANTY | Refine your sense of reality with the Sony a7R III Full Frame Mirrorless Camera - an ideal partner offering superior speed, high-resolution imaging, pro-class operability, and reliable performance even under harsh conditions.
  • 42.4MP Back-Illuminated Exmor R CMOS Image Sensor | Spectacular 42.4MP Full-Frame Resolution | Continuous Shooting at up to 10 fps with AF/AE tracking | ISO 100-32000 (upper limit expandable to 102400)
  • 4K HDR Video Shooting | Fast Hybrid AF with 399-point focal-plane phase-detection AF and 425-point contrast-detection | 5-axis Image Stabilization with 5.5-stop exposure advantage | Built-in Bluetooth, Wi-Fi, and NFC
  • CAMERA INCLUDES: Sony Alpha a7R III Full Frame Mirrorless Interchangeable Lens Camera ILCE-7RM3A/B Body | Rechargeable Battery NP-FZ100 | Battery Charger BC-QZ1 | Power Cord | Cable Protector | Shoulder Strap | Body Cap | Accessory Shoe Cap | Eyepiece Cup | USB Type-C Cable | Sony USA Authorized Warranty
  • BUNDLE INCLUDES: DJI RS 3 Gimbal Stabilizer CP.RN.00000216.01 | BG21 Grip | Extended Grip/Tripod | Quick Release Plate | USB-C Charging Cable | Multi-Camera Control USB Type-C Cable | Lens Fastening Support | Screw Kit | Deco Gear Photography Backpack for Cameras Lenses & Accessories With 15" Laptop Compartment | Lexar 64GB Professional 1800x UHS-II SDXC Memory Card (GOLD Series) | Corel Paint Shop Pro Software (Digital Download) | VideoStudio SE Software (Digital Download)
New
Sony a7 III Full Frame Mirrorless Camera Body ILCE-7M3/B Filmmaker's Bundle Including DJI RS 3 Gimbal Stabilizer Kit + Deco Gear Photography Backpack + 64GB High Speed Card & Software
  • SONY USA AUTHORIZED - Includes Full SONY USA WARRANTY
  • Advanced 24.2MP Back-Illuminated 35mm Full-frame CMOS Image Sensor | 5-axis in-body image stabilization, 5-step shutter speed advantage | Fast Hybrid AF with 693 phase-detection and 425 contrast-detection AF points w/ 93% image coverage | High-speed continuous shooting of up to 10fps with AF/AE tracking
  • 4K HDR High Dynamic Range Movie Shooting w/ full pixel readout, no pixel binning or crop | Sensitivity range up to ISO 51200 (expandable to ISO 50-204800 for stills) | 15-stop dynamic range, 14-bit uncompressed RAW, ISO 50 to 204,800 | SuperSpeed USB Type-C and Micro USB | Secure and versatile dual media slots (UHS-II SD Card compatible)
  • CAMERA INCLUDES: Sony Alpha a7 III Mirrorless Digital Camera with 35mm Full-Frame Image Sensor Body ILCE-7M3 | Rechargeable Battery NP-FZ100 | AC Adaptor | Shoulder strap | Body cap | Accessory shoe cap | Eyepiece cup | Micro USB cable | Sony USA Warranty
  • BUNDLE INCLUDES: DJI RS 3 Gimbal Stabilizer CP.RN.00000216.01 | BG21 Grip | Extended Grip/Tripod | Quick Release Plate | USB-C Charging Cable | Multi-Camera Control USB Type-C Cable | Lens Fastening Support | Screw Kit | Deco Gear Photography Backpack for Cameras Lenses & Accessories With 15" Laptop Compartment | Lexar 64GB Professional 1800x UHS-II SDXC Memory Card (GOLD Series) | Corel Paint Shop Pro Software (Digital Download) | VideoStudio SE Software (Digital Download)
New
Sony a7R IV Full Frame Mirrorless Camera Body ILCE-7RM4A/B Filmmaker's Bundle Including DJI RS 3 Gimbal Stabilizer Kit + Deco Gear Photography Backpack + 64GB High Speed Card & Software
  • SONY USA AUTHORIZED MODEL - Includes Full SONY USA WARRANTY. Professional usability and flexibility combine in the remarkable Sony a7R IV. The impressive resolution is backed up with Spectacular 61MP images, fast and innovative AF with AF/AE tracking, 5-axis stabilization, 10fps burst shooting, and 4K HDR Video — all in a compact, robust body.
  • 61MP Full-Frame Back-illuminated Exmor R Sensor | Enhanced BIONZ X Image Processing Engine w/ front end LSI and DRAM | Up to 10fps continuous shooting at 61MP with AE/AF tracking | 4K Movie with full pixel readout with no pixel binning in Super 35mm
  • Incredible Autofocus: 567 phase-detection / 425 contrast AF points | Real-time Tracking and Real-time Eye AF for human, animal and movie | 15-stop dynamic range, 14-bit uncompressed RAW, ISO 50 to 102,400510 | 5-axis in-body image stabilization, 5.5 step shutter speed advantage
  • CAMERA INCLUDES: Sony Alpha a7R IV Full Frame Mirrorless Interchangeable Lens Camera ILCE-7RM4A/B Body | Rechargeable Battery NP-FZ100 | Battery Charger BC-QZ1 | Power Cord | Cable Protector | Shoulder Strap | Body Cap | MI Accessory Shoe Cap | Eyepiece Cup | USB Type C Cable | Sony USA Authorized Warranty
  • BUNDLE INCLUDES: DJI RS 3 Gimbal Stabilizer CP.RN.00000216.01 | BG21 Grip | Extended Grip/Tripod | Quick Release Plate | USB-C Charging Cable | Multi-Camera Control USB Type-C Cable | Lens Fastening Support | Screw Kit | Deco Gear Photography Backpack for Cameras Lenses & Accessories With 15" Laptop Compartment | Lexar 64GB Professional 1800x UHS-II SDXC Memory Card (GOLD Series) | Corel Paint Shop Pro Software (Digital Download) | VideoStudio SE Software (Digital Download)
New
Sony Alpha 7 IV Full-Frame Mirrorless Interchangeable Lens Camera (Body Only) Bundle with 2-Year Extended Warranty for Digital Imaging Products (2 Items)
  • Bundle Includes: Sony Alpha 7 IV Full-Frame Mirrorless Interchangeable Lens Camera (Body Only) and Sony Protect 2-Year Ext Warranty For Digital Imaging Products 2,000-2,999.99 dollars
  • BIONZ XR Image Processor: The BIONZ XR engine, also used in the Sony Alpha 1 and Alpha 7S III models, provides up to an 8x increase in processing speed
  • 15-Stop Dynamic Range: Taking advantage of the camera's full dynamic range of 15 stops, the Alpha7 IV uses image data from the sensor's 33-megapixels to render remarkably delicate detail in landscapes and scenery
  • Continuous Shooting: 10 fps continuous shooting with AF tracking
  • CMOS Sensor: The camera has a 33MP full-frame Exmor R back-illuminated CMOS sensor
New
Sony Alpha 1 Full Frame Mirrorless Camera Body ILCE-1/B Filmmaker's Bundle Including DJI RS 3 Gimbal Stabilizer Kit + Deco Gear Photography Backpack + 64GB High Speed Card & Software
  • SONY USA Authorized Model - Includes Full USA SONY Warranty | The Sony Alpha 1 offers professionals an unprecedented combination of resolution and speed, merging the worlds of still and cinematic creation all in one body. Ultra-fast readout from the 50.1 MP sensor allows continuous bursts at up to 30 fps with AF and AE tracking using the electronic shutter. Perfect for any situation where the critical action is over in an instant.
  • The most technologically advanced, innovative camera that Sony has ever released, the Alpha 1 combines high-resolution and high-speed performance at a level never previously reached. A 50.1-megapixel full-frame stacked Exmor RS image sensor capable of up to 30 fps continuous shooting with up to 120 AF/AE calculations per second, 8k 30p 10-bit 4:2:0 video and much more, the Alpha 1 will allow creators to capture what they’ve never been able to before.
  • 50.1MP full-frame stacked Exmor RS CMOS sensor w/ integral memory | Next generation BIONZ XR image processing engine | Blackout-free shooting up to 30fps from fast sensor readout speed | 240 fps refresh rate, 9.44M dot 0.64” QXGA OLED EVF | World’s first anti-flicker mechanical and electronic shutter | Real-time AF tracking, Real-time Eye-AF (humans, animals, birds) | Incredible Autofocus w/ 759 phase detection AF points, 92% coverage | 5-axis in-body image stabilization for 5.5-step advantage
  • CAMERA INCLUDES: Sony Alpha 1 Full Frame Interchangeable Lens Mirrorless Camera ILCE-1/B Body | Rechargeable Battery NP-FZ100 | Battery Charger BC-QZ1 | Power Cord | Cable Protector | Shoulder Strap | Body Cap | Accessory Shoe Cap | Eyepiece Cup | USB-A to USB-C Cable (USB 3.2) | Sony USA Authorized Warranty
  • BUNDLE INCLUDES: DJI RS 3 Gimbal Stabilizer CP.RN.00000216.01 | BG21 Grip | Extended Grip/Tripod | Quick Release Plate | USB-C Charging Cable | Multi-Camera Control USB Type-C Cable | Lens Fastening Support | Screw Kit | Deco Gear Photography Backpack for Cameras Lenses & Accessories With 15" Laptop Compartment | Lexar 64GB Professional 1800x UHS-II SDXC Memory Card (GOLD Series) | Corel Paint Shop Pro Software (Digital Download) | VideoStudio SE Software (Digital Download)

Our conclusion on the Sony a7S III vs Sony FX3

Both the Sony a7S III and the Sony FX3 are high quality products and we are sure you will be happy with either one. In the end it comes down to your budget and the value for money you are looking for.

Either way, the Sony a7S III and the Sony FX3 are both excellent products that will more than do their job!