Sony Alpha7s III ILCE-7SM3 vs. Sony Alpha6700 ILCE-6700

Camera Comparison, Reviews and Tests

In depth comparison and review of Sony Alpha7s III ILCE-7SM3 and Sony Alpha6700 ILCE-6700. Compare design, sensors, proximity features, memory capacities and other important specifications and features to easily choose the right camera for you. Our goal is to help you uncover differences between the products and find the digital camera that will best fit your needs.

Camera Specifications Comparison

Sony Alpha7s III ILCE-7SM3 vs. Sony Alpha6700 ILCE-6700 Comparison Chart
DESIGN AND DIMENSIONS Sony Alpha7s III ILCE-7SM3 Sony Alpha6700 ILCE-6700
Product Type Digital camera - 4K - mirrorless system Digital camera - 4K - mirrorless system
Lens Included Body only Body only
Height 9.69 cm 6.9 cm
Width 12.89 cm 12.2 cm
Depth 8.08 cm 7.51 cm
Weight 699 g 409 g
Weight Details Camera with battery and memory card: 699 g Camera body only: 410 g
Camera with battery and memory card: 493 g
Body Material Magnesium alloy -
Protection Dust-resistant, moisture-resistant -
Digital Zoom 4x 2x
SENSOR Sony Alpha7s III ILCE-7SM3 Sony Alpha6700 ILCE-6700
Sensor Resolution 12.1 Megapixel 26.0 Megapixel
Optical Sensor Type Exmor R CMOS Exmor R CMOS
Total Pixels 12,900,000 pixels 27,000,000 pixels
Effective Sensor Resolution 12,100,000 pixels 26,000,000 pixels
Optical Sensor Size Full Frame (35.6 x 23.8 mm) APS-C (23.5 x 15.6 mm)
Frame Rate (Max Resolution) 120 fps 119.88 fps
Sensor Dust Reduction Yes Yes
Sensor Features Dust Reduction (image sensor vibration), Anti-Dust coating Anti-Dust coating
Image Stabiliser Optical (5-axis Steady Shot) Optical (5-axis image sensor shift mechanism)
Built-in Optical Image Stabiliser Yes Yes
Sensors Digital level metre -
PROCESSOR Sony Alpha7s III ILCE-7SM3 Sony Alpha6700 ILCE-6700
Image Processor BIONZ XR BIONZ XR
LENS Sony Alpha7s III ILCE-7SM3 Sony Alpha6700 ILCE-6700
Lens Mounting Type Sony E-mount Sony E-mount
FOCUSING Sony Alpha7s III ILCE-7SM3 Sony Alpha6700 ILCE-6700
Auto Focus TTL contrast and phase detection TTL contrast and phase detection
Auto Focus Points (Zones) Qty 759 759
Auto Focus Features Focus Peaking function, Predictive Focus Control Focus Peaking function
AE/AF Control Flex Focus Point, Face-priority AF, Subject-tracking AF, Eye detection AF Touch AF, Animal detection AF, AF Track Sens, AF Subject Shift Sensivity, AF Transition Speed, AF Area Regist, AF Assist, Focus Map, Circle of Focus Point, Switch V/H AF Area, Bird detection AF, Human detection AF, Insect detection AF, Car detection AF, Train detection AF, Airplane detection AF
Face Detection Face Recognition, face-priority AF function Yes
VIEWFINDER Sony Alpha7s III ILCE-7SM3 Sony Alpha6700 ILCE-6700
Viewfinder Type Built-in - electronic Electronic - OLED
Viewfinder Colour Support Colour Colour
Viewfinder Diagonal Size 0.64" 0.39"
Viewfinder Resolution 9,437,184 pixels 2,359,296 pixels
Optical Viewfinder Field Coverage 100% -
Optical Viewfinder Magnification 0.9x 1.07x
Optical Viewfinder Dioptric Correction Range -4 to +3 -4 to +3
Field of View Crop Factor - 1.5
EXPOSURE & WHITE BALANCE Sony Alpha7s III ILCE-7SM3 Sony Alpha6700 ILCE-6700
ISO (Max) 409600 102400
Native ISO - 100-32000
Extended ISO (Max) 409600 102400
Extended ISO (Min) 40 50
Light Sensitivity ISO 204800, ISO 409600, ISO 80-102400, ISO 40 ISO 50, ISO 102400, ISO 100-32000
Exposure Metering Multi-segment, centre-weighted, spot -
Exposure Metering Zones 1200 1200
Exposure Modes Bulb, automatic, manual, aperture-priority, shutter-priority -
Bracketing Modes Dynamic Range Bracketing Focus bracketing
Special Effects - Soft Skin, Creative Look presets
White Balance Custom, automatic, presets Custom, automatic, presets
White Balance Presets Incandescent, fluorescent, cloudy, Flash, daylight, shade, Underwater, 2500K - 9900K -
Shutter Type Mechanical electronically-controlled Mechanical, electronic
Max Shutter Speed 1/8000 sec 1/8000 sec
Min Shutter Speed 30 sec 30 sec
Exposure Compensation ±5 EV range, in 1/2 or 1/3 EV steps ±5 EV range, in 1/2 or 1/3 EV steps
Auto Exposure Bracketing 3, 5 or 9 steps -
X-sync Speed 1/250sec 1/160 sec
Exposure Range EV -3-20 (ISO 100) EV -3-20 (ISO 100)
DISPLAY Sony Alpha7s III ILCE-7SM3 Sony Alpha6700 ILCE-6700
Type 3" LCD display 3" LCD display
Touch Screen Yes Yes
Display Format 1,440,000 pixels 1,036,800 pixels
Display Form Factor Folding Folding (176°) / rotating (270°)
Display Features Display brightness control -
VIDEOGRAPHY / CAMCORDER Sony Alpha7s III ILCE-7SM3 Sony Alpha6700 ILCE-6700
Digital Video Format H.264, XAVC S, H.265, XAVC HS MPEG-4, H.264, XAVC S, XAVC HD, H.265, XAVC HS
Image Recording Format JPEG, RAW, RAW + JPEG JPEG, RAW, RAW + JPEG, HEIF, RAW + HEIF
Max Video Resolution 3840 x 2160 3840 x 2160
Audio Signal Format AAC Linear PCM
Microphone Operation Mode Stereo Stereo
MEMORY Sony Alpha7s III ILCE-7SM3 Sony Alpha6700 ILCE-6700
Memory Card Slot Dual SD card, dual CFexpress SD card
Supported Memory Cards SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card, CFexpress SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card
Memory Card Included No No
Image Storage JPEG 4240 x 2832
JPEG 2768 x 1848
JPEG 2128 x 1416
JPEG 1376 x 920
JPEG 3776 x 2832
JPEG 2464 x 1848
JPEG 1888 x 1416
JPEG 1232 x 920
JPEG 4240 x 2348
JPEG 2768 x 1550
JPEG 2128 x 1200
JPEG 1376 x 776
JPEG 2832 x 2832
JPEG 1840 x 1840
JPEG 1408 x 1408
JPEG 912 x 912
6192 x 4128
4384 x 2920
3104 x 2064
Video Capture XAVC HS - 3840 x 2160 p - 120 fps
XAVC HS - 3840 x 2160 p - 60 fps
XAVC HS - 3840 x 2160 p - 100 fps - 200Mbps
XAVC HS - 3840 x 2160 p - 50 fps
XAVC HS - 3840 x 2160 p - 24 fps
XAVC S - 3840 x 2160 p - 120 fps
XAVC S - 3840 x 2160 p - 60 fps
XAVC S - 3840 x 2160 p - 30 fps
XAVC S - 3840 x 2160 p - 24 fps
XAVC S - 3840 x 2160 p - 100 fps
XAVC S - 3840 x 2160 p - 50 fps
XAVC S - 3840 x 2160 p - 25 fps
XAVC S HD - 1920 x 1080 p - 120 fps
XAVC S HD - 1920 x 1080 p - 60 fps
XAVC S HD - 1920 x 1080 p - 30 fps
XAVC S HD - 1920 x 1080 p - 24 fps
XAVC S HD - 1920 x 1080 p - 100 fps
XAVC S HD - 1920 x 1080 p - 50 fps
XAVC S HD - 1920 x 1080 p - 25 fps
3840 x 2160 p - 119.88 fps - 200Mbps
3840 x 2160 p - 100 fps - 200Mbps
3840 x 2160 p - 59.94 fps - 150Mbps
3840 x 2160 p - 59.94 fps - 75Mbps
3840 x 2160 p - 59.94 fps - 45Mbps
3840 x 2160 p - 50 fps - 150Mbps
3840 x 2160 p - 50 fps - 75Mbps
3840 x 2160 p - 50 fps - 45Mbps
3840 x 2160 p - 23.98 fps - 100Mbps
3840 x 2160 p - 23.98 fps - 50Mbps
3840 x 2160 p - 23.98 fps - 30Mbps
3840 x 2160 p - 119.88 fps - 280Mbps
3840 x 2160 p - 100 fps - 280Mbps
3840 x 2160 p - 59.94 fps - 200Mbps
3840 x 2160 p - 59.94 fps - 100Mbps
3840 x 2160 p - 50 fps - 200Mbps
3840 x 2160 p - 50 fps - 100Mbps
3840 x 2160 p - 23.98 fps - 100Mbps
3840 x 2160 p - 29.97 fps - 100Mbps
3840 x 2160 p - 29.97 fps - 60Mbps
3840 x 2160 p - 25 fps - 100Mbps
3840 x 2160 p - 25 fps - 60Mbps
3840 x 2160 p - 25 fps - 140Mbps
1920 x 1080 p - 119.88 fps - 100Mbps
1920 x 1080 p - 119.88 fps - 60Mbps
1920 x 1080 p - 100 fps - 100Mbps
1920 x 1080 p - 100 fps - 60Mbps
1920 x 1080 p - 59.94 fps - 50Mbps
1920 x 1080 p - 59.94 fps - 25Mbps
1920 x 1080 p - 50 fps - 50Mbps
1920 x 1080 p - 50 fps - 25Mbps
1920 x 1080 p - 29.97 fps - 50Mbps
1920 x 1080 p - 29.97 fps - 16Mbps
1920 x 1080 p - 25 fps - 50Mbps
1920 x 1080 p - 25 fps - 16Mbps
1920 x 1080 p - 23.98 fps - 50Mbps
3840 x 2160 p - 59.94 fps - 600Mbps
3840 x 2160 p - 59.94 fps - 222Mbps
3840 x 2160 p - 50 fps - 500Mbps
3840 x 2160 p - 50 fps - 185Mbps
3840 x 2160 p - 29.97 fps - 300Mbps
3840 x 2160 p - 29.97 fps - 111Mbps
3840 x 2160 p - 25 fps - 250Mbps
3840 x 2160 p - 25 fps - 93Mbps
3840 x 2160 p - 23.98 fps - 240Mbps
3840 x 2160 p - 23.98 fps - 89Mbps
BATTERY AND CHARGING Sony Alpha7s III ILCE-7SM3 Sony Alpha6700 ILCE-6700
Battery Type Sony NP-FZ100 Lithium Ion Sony NP-FZ100 Lithium Ion
Details Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included) Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included)
Battery Life Photo shooting - 510 shots (EVF on)
Photo shooting - 600 shots (LCD Monitor on)
Video recording - 80 minutes (EVF on)
Video recording - 135 minutes (LCD Monitor on)
Photo shooting - 550 shots (EVF on)
Photo shooting - 570 shots (LCD Monitor on)
Video recording - 95 minutes (EVF on)
Video recording - 100 minutes (LCD Monitor on)
CONNECTIONS Sony Alpha7s III ILCE-7SM3 Sony Alpha6700 ILCE-6700
Interface HDMI, USB-C, Wireless LAN, NFC (Near Field Communication), Bluetooth 5.0 HDMI, USB 3.2, IEEE 802.11a/b/g/n/ac, Bluetooth 4.2
Connectivity Features Remote control via mobile devices, Wireless Image Transfer, PC Remote functions via Wi-Fi Remote control via mobile devices
Print Standard Exif Print support, PRINT Image Matching -
Flash Terminal Hot shoe Hot shoe
Connector Type USB (USB Type-C)
HDMI output (19 pin HDMI Type A)
Microphone (mini-phone stereo 3.5 mm)
Headphones (mini-phone stereo 3.5 mm)
USB 3.2 (24 pin USB-C)
HDMI output (19 pin micro HDMI Type D)
Microphone (mini-phone stereo 3.5 mm)
Remote control
Headphones (mini-phone stereo 3.5 mm)
FEATURES Sony Alpha7s III ILCE-7SM3 Sony Alpha6700 ILCE-6700
Self-Timer Delay 10 sec, 2sec, 5 sec -
Continuous Shooting Speed 8 frames per second, 3 frames per second, 10 frames per second, 6 frames per second 11 frames per second
Additional Features Built-in speaker, digital image rotation, camera orientation detection, histogram display, shadow point display, interval shooting mode, highlight point display, Dynamic Range Optimizer, USB charging, built-in help guide, Chromatic Aberration Compensation (CAC), HDR image enhancement technology, Intelligent AUTO (iAUTO), fast motion recording, Lens Distortion Compensation (LDC), noise reduction over long exposures, high ISO speed noise reduction, silent shooting, BRAVIA Sync function, PhotoTV HD, GPS via mobile, slow motion recording, peripheral shading correction, anti-flicker, Hybrid Log-Gamma (HLG) recording Built-in speaker, built-in LED illuminator, Chromatic Aberration Compensation (CAC), Time-Lapse recording, Clear Image Zoom, distortion correction function, slow motion recording, auto-framing, anti-flicker, S-Log3 gamma setting, 4:2:2 10-bit internal rercording, Lens Shading Correction, Picture Profile Preset, webcam function, focus breathing compensation, USB streaming, proxy recording, AI-powered, quick motion
OTHERS Sony Alpha7s III ILCE-7SM3 Sony Alpha6700 ILCE-6700
Included Accessories - Eyepiece cover, body cap, shoulder strap, hot shoe cap
Max Operating Temperature 40 °C 40 °C
Min Operating Temperature 0 °C 0 °C
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