In depth comparison and review of Sony Alpha7R IV ILCE-7RM4 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.
DESIGN AND DIMENSIONS | Sony Alpha7R IV ILCE-7RM4 | Sony Alpha6700 ILCE-6700 |
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Product Type | Digital camera - 4K - mirrorless system | Digital camera - 4K - mirrorless system |
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Lens Included | Body only | Body only |
Height | 9.64 cm | 6.9 cm |
Width | 12.89 cm | 12.2 cm |
Depth | 7.75 cm | 7.51 cm |
Weight | 665 g | 409 g |
Weight Details | Camera body only: Camera with battery and memory card: 665 g |
Camera body only: 410 g Camera with battery and memory card: 493 g |
Enclosure Colour | Black | - |
Digital Zoom | - | 2x |
SENSOR | Sony Alpha7R IV ILCE-7RM4 | Sony Alpha6700 ILCE-6700 |
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Sensor Resolution | 61 Megapixel | 26.0 Megapixel |
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Optical Sensor Type | Exmor R CMOS | Exmor R CMOS |
Total Pixels | 62,500,000 pixels | 27,000,000 pixels |
Effective Sensor Resolution | 61,000,000 pixels | 26,000,000 pixels |
Optical Sensor Size | Full Frame (35.7 x 23.8 mm) | APS-C (23.5 x 15.6 mm) |
Frame Rate (Max Resolution) | 30 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 Alpha7R IV ILCE-7RM4 | Sony Alpha6700 ILCE-6700 |
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Image Processor | BIONZ X | BIONZ XR |
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LENS | Sony Alpha7R IV ILCE-7RM4 | Sony Alpha6700 ILCE-6700 |
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Lens Mounting Type | Sony E-mount | Sony E-mount |
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FOCUSING | Sony Alpha7R IV ILCE-7RM4 | Sony Alpha6700 ILCE-6700 |
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Auto Focus | TTL contrast and phase detection | TTL contrast and phase detection |
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Auto Focus Points (Zones) Qty | 567 | 759 |
Auto Focus Features | Predictive Focus Control, Focus Priority in Aperture Drive | Focus Peaking function |
AE/AF Control | Zone AF, Real-time Eye AF, Real-time Tracking 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 | Eye Detect AF, face-priority AF function | Yes |
VIEWFINDER | Sony Alpha7R IV ILCE-7RM4 | Sony Alpha6700 ILCE-6700 |
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Viewfinder Type | Electronic - OLED | Electronic - OLED |
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Viewfinder Colour Support | Colour | Colour |
Viewfinder Diagonal Size | 0.5" | 0.39" |
Viewfinder Resolution | 5,760,000 pixels | 2,359,296 pixels |
Optical Viewfinder Field Coverage | 100% | - |
Optical Viewfinder Magnification | 0.78x | 1.07x |
Optical Viewfinder Dioptric Correction Range | -4 to +3 | -4 to +3 |
Field of View Crop Factor | - | 1.5 |
Features | Viewfinder brightness control, colour temperature control | - |
EXPOSURE & WHITE BALANCE | Sony Alpha7R IV ILCE-7RM4 | Sony Alpha6700 ILCE-6700 |
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ISO (Max) | 32000 | 102400 |
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Native ISO | 100-32000 | 100-32000 |
Extended ISO (Max) | 102400 | 102400 |
Extended ISO (Min) | 50 | 50 |
Light Sensitivity | ISO 50, ISO 102400, ISO auto (100-12800), ISO 100-32000 | ISO 50, ISO 102400, ISO 100-32000 |
Exposure Metering | Multi-segment, centre-weighted, spot, average | - |
Exposure Metering Zones | 1200 | 1200 |
Exposure Modes | Bulb, automatic, manual, aperture-priority, shutter-priority | - |
Bracketing Modes | Dynamic Range Bracketing, white balance bracketing | Focus bracketing |
Special Effects | Black & White, Sepia, Neutral, Vivid, sunset, landscape, portrait, clear, deep, light, autumn leaves, Retro, partial colour, Toy camera, Posterisation, High contrast monochrome, Pop Colour, Soft High-key, Night Scene, Standard, Style Box, Posterisation (B/W) | Soft Skin, Creative Look presets |
White Balance | Custom, automatic, presets | Custom, automatic, presets |
White Balance Presets | Incandescent, cloudy, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Underwater, 2500K - 9900K, fluorescent light (daylight white) | - |
Shutter Type | Electronic, 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, 9 steps in 1/3, 1/2, 2/3, 1, 2 or 3 EV steps | - |
White Balance Bracketing | Yes | - |
X-sync Speed | 1/250sec | 1/160 sec |
Exposure Range | EV -3-20 (ISO 100) | EV -3-20 (ISO 100) |
DISPLAY | Sony Alpha7R IV ILCE-7RM4 | Sony Alpha6700 ILCE-6700 |
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Type | 3" LCD display | 3" LCD display |
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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, Peaking AF display, Touch AF | - |
VIDEOGRAPHY / CAMCORDER | Sony Alpha7R IV ILCE-7RM4 | Sony Alpha6700 ILCE-6700 |
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Digital Video Format | AVCHD, XAVC S | MPEG-4, H.264, XAVC S, XAVC HD, H.265, XAVC HS |
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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 | Dolby Digital AC-3 (2 channel), Linear PCM | Linear PCM |
Microphone Operation Mode | Stereo | Stereo |
MEMORY | Sony Alpha7R IV ILCE-7RM4 | Sony Alpha6700 ILCE-6700 |
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Memory Card Slot | Dual SD card | SD card |
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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 | 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 | 9504 x 6336 8448 x 6336 9504 x 5344 6240 x 4160 5552 x 4160 6240 x 3512 4752 x 3168 4224 x 3168 4752 x 2672 3120 x 2080 2768 x 2080 3120 x 1752 6336 x 6336 4160 x 4160 3168 x 3168 2080 x 2080 |
6192 x 4128 4384 x 2920 3104 x 2064 |
Video Capture | AVCHD - 1920 x 1080 i - 60 fps - 24Mbps AVCHD - 1920 x 1080 i - 60 fps - 17Mbps AVCHD - 1920 x 1080 i - 50 fps - 24Mbps AVCHD - 1920 x 1080 i - 50 fps - 17Mbps XAVC S - 3840 x 2160 p - 30 fps - 100Mbps XAVC S - 3840 x 2160 p - 24 fps - 100Mbps XAVC S - 3840 x 2160 p - 30 fps - 60Mbps XAVC S - 3840 x 2160 p - 24 fps - 60Mbps XAVC S - 1920 x 1080 p - 120 fps - 100Mbps XAVC S - 1920 x 1080 p - 120 fps - 60Mbps XAVC S - 1920 x 1080 p - 60 fps - 50Mbps XAVC S - 1920 x 1080 p - 30 fps - 50Mbps XAVC S - 1920 x 1080 p - 24 fps - 50Mbps XAVC S - 1920 x 1080 p - 60 fps - 25Mbps XAVC S - 1920 x 1080 p - 30 fps - 16Mbps XAVC S - 3840 x 2160 p - 25 fps - 100Mbps XAVC S - 3840 x 2160 p - 25 fps - 60Mbps XAVC S - 1920 x 1080 p - 100 fps - 100Mbps XAVC S - 1920 x 1080 p - 100 fps - 60Mbps XAVC S - 1920 x 1080 p - 50 fps - 50Mbps XAVC S - 1920 x 1080 p - 25 fps - 50Mbps XAVC S - 1920 x 1080 p - 50 fps - 25Mbps XAVC S - 1920 x 1080 p - 25 fps - 16Mbps |
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 Alpha7R IV ILCE-7RM4 | Sony Alpha6700 ILCE-6700 |
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Battery Type | Sony NP-FZ100 Lithium Ion | Sony NP-FZ100 Lithium Ion |
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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 - 670 shots (LCD Monitor on) Photo shooting - 530 shots (EVF on) Video recording - 170 minutes (LCD Monitor on) Video recording - 160 minutes (EVF 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 Alpha7R IV ILCE-7RM4 | Sony Alpha6700 ILCE-6700 |
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Interface | HDMI, USB 2.0, USB-C, NFC (Near Field Communication), IEEE 802.11a/b/g/n/ac, Bluetooth 4.1 | HDMI, USB 3.2, IEEE 802.11a/b/g/n/ac, Bluetooth 4.2 |
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Connectivity Features | Remote control via mobile devices, remote live view, PC Remote functions via Wi-Fi | Remote control via mobile devices |
Print Standard | DPOF support, Exif Print support, PRINT Image Matching | - |
Flash Terminal | Hot shoe, PC terminal | Hot shoe |
Connector Type | USB 2.0 (5 pin Micro-USB Type B) USB 3.2 Gen 1 (USB Type-C) HDMI output (19 pin micro HDMI Type D) 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 Alpha7R IV ILCE-7RM4 | Sony Alpha6700 ILCE-6700 |
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Self-Timer Delay | 10 sec, 2sec, 5 sec | - |
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Continuous Shooting Speed | 8 frames per second, 3 frames per second, 10 frames per second, 6 frames per second | 11 frames per second |
HDR Mode | HDR Movie mode | - |
Additional Features | Built-in speaker, sharpness control, camera orientation detection, histogram display, saturation control, contrast control, Dynamic Range Optimizer, USB charging, built-in help guide, x.v.Colour technology, Clear Image Zoom, noise reduction over long exposures, Lens Distortion Correction, high ISO speed noise reduction, silent shooting, S-Log2 gamma setting, Pixel Shift Resolution technology, peripheral shading correction, chromatic aberration correction, anti-flicker, Hybrid Log-Gamma (HLG) recording, S-Log3 gamma setting, PC Remote functions via USB | 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 Alpha7R IV ILCE-7RM4 | Sony Alpha6700 ILCE-6700 |
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Included Accessories | Eyepiece cover, battery charger, body cap, shoulder strap, shoe cap, cable protector, USB-C cable | Eyepiece cover, body cap, shoulder strap, hot shoe cap |
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Max Operating Temperature | 40 °C | 40 °C |
Min Operating Temperature | 0 °C | 0 °C |
Service & Support | Limited warranty - parts and labour - 1 year | - |