In depth comparison and review of Sony Alpha7R II ILCE-7RM2 and Sony Alpha6400 ILCE-6400M + E 18-135mm OSS. 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 II ILCE-7RM2 | Sony Alpha6400 ILCE-6400M + E 18-135mm OSS |
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| Product Type | Digital camera - 4K - mirrorless system | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | Body only | E 18-135mm OSS lens |
| Height | 9.57 cm | 6.69 cm |
| Width | 12.69 cm | 12 cm |
| Depth | 6.03 cm | 4.99 cm |
| Weight | 582 g | 359 g |
| Weight Details | - | Camera body only: 359 g Camera with battery and memory card: 403 g |
| Body Material | Magnesium alloy | Magnesium alloy |
| Enclosure Colour | Black | Black |
| Protection | Dust-resistant, moisture-resistant | - |
| Digital Zoom | 4x | 4x |
| Optical Zoom | - | 7.5x |
| SENSOR | Sony Alpha7R II ILCE-7RM2 | Sony Alpha6400 ILCE-6400M + E 18-135mm OSS |
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| Sensor Resolution | 42.4 Megapixel | 24.2 Megapixel |
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| Optical Sensor Type | Exmor CMOS | Exmor CMOS |
| Total Pixels | 43,600,000 pixels | 25,000,000 pixels |
| Effective Sensor Resolution | 42,400,000 pixels | 24,200,000 pixels |
| Optical Sensor Size | Full Frame (35.9 x 24 mm) | APS-C (23.5 x 15.6 mm) |
| Frame Rate (Max Resolution) | 30 fps | 30 fps |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | Dust Reduction (image sensor vibration), Anti-Dust coating | Dust Reduction (image sensor vibration), Anti-Dust coating |
| Image Stabiliser | Optical (5-axis Steady Shot) | Optical (Steady Shot) |
| Built-in Optical Image Stabiliser | Yes | - |
| PROCESSOR | Sony Alpha7R II ILCE-7RM2 | Sony Alpha6400 ILCE-6400M + E 18-135mm OSS |
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| Image Processor | BIONZ X | BIONZ X |
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| LENS | Sony Alpha7R II ILCE-7RM2 | Sony Alpha6400 ILCE-6400M + E 18-135mm OSS |
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| Type | - | Zoom lens - 7.5x zoom - 18 - 135 mm - f/3.5-5.6 E OSS - zoom |
|---|---|---|
| Focal Length Equivalent to 35mm Camera | - | 27 - 202.5mm |
| Focus Adjustment | - | Automatic, manual |
| Min Focus Distance | - | 45 cm |
| Max View Angle | - | 76 degree(s) |
| Zoom Adjustment | - | Manual (by ring) |
| Lens Construction | - | 12 groups / 16 elements |
| Filter Size | - | 55 mm |
| Lens Mounting Type | Sony E-mount | Sony E-mount |
| Features | - | ED glass, aspherical lens, linear AF motor |
| FOCUSING | Sony Alpha7R II ILCE-7RM2 | Sony Alpha6400 ILCE-6400M + E 18-135mm OSS |
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| Auto Focus | TTL contrast and phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 399 | 425 |
| Auto Focus Features | Focus Peaking function, Manual Focus Check Live View | Focus Peaking function, 4D FOCUS system |
| AE/AF Control | Flex Focus Point, Face-priority AF, Subject-tracking AF, Eye detection AF | Eye detection AF, Predictive AI Servo AF, Real-time Eye AF, Real-time Tracking AF |
| Face Detection | Face Recognition | Yes |
| VIEWFINDER | Sony Alpha7R II ILCE-7RM2 | Sony Alpha6400 ILCE-6400M + E 18-135mm OSS |
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| Viewfinder Type | Electronic - OLED | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | Colour | Colour |
| Viewfinder Diagonal Size | 0.5" | 0.39" |
| Viewfinder Resolution | 2,359,296 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 | - |
| Field of View Crop Factor | - | 1.5 |
| Features | Viewfinder brightness control | Auto eye sensor |
| EXPOSURE & WHITE BALANCE | Sony Alpha7R II ILCE-7RM2 | Sony Alpha6400 ILCE-6400M + E 18-135mm OSS |
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| ISO (Max) | 102400 | 102400 |
|---|---|---|
| Native ISO | 100-51200 | 100-32000 |
| Extended ISO (Max) | - | 102400 |
| Light Sensitivity | ISO 50, ISO 102400, ISO auto (100-6400), ISO 100-25600 | ISO auto (100-6400), ISO 100-32000 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, centre-weighted, spot |
| Exposure Metering Zones | 1200 | 1200 |
| Exposure Modes | Programme, bulb, automatic, manual, aperture-priority, shutter-priority | Programme, bulb, automatic, manual, aperture-priority, shutter-priority |
| Bracketing Modes | Flash Exposure Bracketing | Flash Exposure Bracketing, white balance bracketing |
| Shooting Programs | Landscape, portrait mode, macro, night portrait, night scene, sports mode, sunset, handheld twilight, anti-motion blur | Landscape, portrait mode, macro, night portrait, night scene, sports mode, sunset, handheld twilight, anti-motion blur |
| Special Effects | Sepia, Neutral, Vivid, sunset, soft focus, illustration, landscape, portrait, Water Colour, miniature, clear, deep, light, autumn leaves, Retro, partial colour, Toy camera, Posterisation, High contrast monochrome, Pop Colour, HDR Painting, Rich-tone monochrome, Soft High-key, Night Scene | Black & White, Sepia, Neutral, Vivid, sunset, soft focus, illustration, landscape, portrait, Water Colour, miniature, clear, deep, light, autumn leaves, Retro, partial colour, Toy camera, Posterisation, High contrast monochrome, Pop Colour, HDR Painting, Rich-tone monochrome, Soft High-key, Night Scene, Standard, Style Box |
| 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), 2500K - 9900K, fluorescent light (daylight white) | 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 | Mechanical electronically-controlled | Mechanical, electronic |
| Max Shutter Speed | 1/8000 sec | 1/4000 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 steps in 1/3, 1/2, 2/3, 1, 2 or 3 EV steps, 9 steps in 1/3, 1/2, 2/3 or 1 EV steps |
| White Balance Bracketing | Yes | Yes |
| X-sync Speed | 1/250sec | 1/160 sec |
| Exposure Range | EV -3-20 (ISO 100) | EV -2-20 (ISO 100) |
| DISPLAY | Sony Alpha7R II ILCE-7RM2 | Sony Alpha6400 ILCE-6400M + E 18-135mm OSS |
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| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | - | Yes |
| Display Format | 1,228,800 pixels | 921,600 pixels |
| Display Form Factor | Folding | Tilting |
| Display Features | Display brightness control | Display brightness control, display colour control, display contrast control |
| FLASH | Sony Alpha7R II ILCE-7RM2 | Sony Alpha6400 ILCE-6400M + E 18-135mm OSS |
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| Camera Flash | - | Pop-up flash |
|---|---|---|
| Guide Number (m / ISO 100) | - | 6 |
| Flash Modes | - | Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction, high-speed sync |
| Red-Eye Reduction | - | Yes |
| Features | - | AF illuminator, flash +/- compensation, wireless off-camera control |
| VIDEOGRAPHY / CAMCORDER | Sony Alpha7R II ILCE-7RM2 | Sony Alpha6400 ILCE-6400M + E 18-135mm OSS |
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| Digital Video Format | AVCHD, H.264, XAVC S | AVCHD, XAVC S |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | 3840 x 2160 | 3840 x 2160 |
| Surround Sound | Dolby Digital AC-3 (2 channel) recording | Dolby Digital AC-3 (2 channel) recording |
| Microphone Operation Mode | Stereo | Stereo |
| MEMORY | Sony Alpha7R II ILCE-7RM2 | Sony Alpha6400 ILCE-6400M + E 18-135mm OSS |
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| Memory Card Slot | Memory Stick PRO Duo card, SD card | Memory Stick PRO Duo card, SD card |
|---|---|---|
| Supported Memory Cards | SD Memory Card, Memory Stick PRO Duo, SDXC Memory Card, SDHC Memory Card, Memory Stick PRO-HG Duo, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card | SD Memory Card, Memory Stick PRO Duo, SDXC Memory Card, SDHC Memory Card, Memory Stick PRO-HG Duo, Memory Stick Micro Mark2, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card |
| Memory Card Included | No | No |
| Image Storage | 7952 x 5304 7952 x 4472 5168 x 3448 5168 x 2912 3984 x 2656 3984 x 2240 2592 x 1728 2592 x 1456 |
6000 x 4000 6000 x 3376 4240 x 2832 4240 x 2400 3008 x 2000 3008 x 1688 4000 x 4000 2832 x 2832 2000 x 2000 |
| Video Capture | AVCHD - 1920 x 1080 - 60 fps - 28Mbps AVCHD - 1920 x 1080 - 60 fps - 24Mbps AVCHD - 1920 x 1080 - 60 fps - 17Mbps AVCHD - 1920 x 1080 - 24 fps - 24Mbps AVCHD - 1920 x 1080 - 24 fps - 17Mbps AVCHD - 1920 x 1080 - 50 fps - 28Mbps AVCHD - 1920 x 1080 - 50 fps - 24Mbps AVCHD - 1920 x 1080 - 50 fps - 17Mbps AVCHD - 1920 x 1080 - 25 fps - 24Mbps AVCHD - 1920 x 1080 - 25 fps - 17Mbps XAVC S - 3840 x 2160 - 30 fps - 100Mbps XAVC S - 3840 x 2160 - 30 fps - 60Mbps XAVC S - 3840 x 2160 - 24 fps - 100Mbps XAVC S - 3840 x 2160 - 24 fps - 60Mbps XAVC S - 1920 x 1080 - 60 fps - 50Mbps XAVC S - 1920 x 1080 - 30 fps - 50Mbps XAVC S - 1920 x 1080 - 24 fps - 50Mbps XAVC S - 1280 x 720 - 120 fps - 50Mbps XAVC S - 3840 x 2160 - 25 fps - 100Mbps XAVC S - 3840 x 2160 - 25 fps - 60Mbps XAVC S - 1920 x 1080 - 50 fps - 50Mbps XAVC S - 1920 x 1080 - 25 fps - 50Mbps XAVC S - 1280 x 720 - 100 fps - 50Mbps H.264 - 1920 x 1080 - 60 fps - 28Mbps H.264 - 1920 x 1080 - 30 fps - 16Mbps H.264 - 1280 x 720 - 30 fps - 6Mbps H.264 - 1920 x 1080 - 50 fps - 28Mbps H.264 - 1920 x 1080 - 25 fps - 16Mbps H.264 - 1280 x 720 - 25 fps - 6Mbps |
XAVC S - 3840 x 2160 p - 30 fps - 100Mbps XAVC S - 3840 x 2160 p - 25 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 - 25 fps - 60Mbps XAVC S - 3840 x 2160 p - 24 fps - 60Mbps XAVC S HD - 1920 x 1080 p - 120 fps - 100Mbps XAVC S HD - 1920 x 1080 p - 100 fps - 100Mbps XAVC S HD - 1920 x 1080 p - 120 fps - 60Mbps XAVC S HD - 1920 x 1080 p - 100 fps - 60Mbps XAVC S HD - 1920 x 1080 p - 60 fps - 50Mbps XAVC S HD - 1920 x 1080 p - 50 fps - 50Mbps XAVC S HD - 1920 x 1080 p - 30 fps - 50Mbps XAVC S HD - 1920 x 1080 p - 25 fps - 50Mbps XAVC S HD - 1920 x 1080 p - 24 fps - 50Mbps XAVC S HD - 1920 x 1080 p - 60 fps - 25Mbps XAVC S HD - 1920 x 1080 p - 50 fps - 25Mbps XAVC S HD - 1920 x 1080 p - 30 fps - 16Mbps XAVC S HD - 1920 x 1080 p - 25 fps - 16Mbps AVCHD - 1920 x 1080 i - 60 fps - 24Mbps AVCHD - 1920 x 1080 i - 50 fps - 24Mbps AVCHD - 1920 x 1080 i - 60 fps - 17Mbps AVCHD - 1920 x 1080 i - 50 fps - 17Mbps |
| BATTERY AND CHARGING | Sony Alpha7R II ILCE-7RM2 | Sony Alpha6400 ILCE-6400M + E 18-135mm OSS |
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| Battery Type | Sony NP-FW50 Lithium Ion | Sony NP-FW50 Lithium Ion |
|---|---|---|
| Details | Sony NP-FW50 Li-ion rechargeable battery - 1080 mAh (included) | Sony NP-FW50 Li-ion rechargeable battery - 1080 mAh (included) |
| Battery Life | Photo shooting - 340 shots (LCD Monitor on) Photo shooting - 290 shots (EVF on) |
Photo shooting - 360 shots (EVF on) Photo shooting - 410 shots (LCD Monitor on) Video recording - 70 minutes (EVF on) Video recording - 75 minutes (LCD Monitor on) |
| CONNECTIONS | Sony Alpha7R II ILCE-7RM2 | Sony Alpha6400 ILCE-6400M + E 18-135mm OSS |
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| Interface | HDMI, USB 2.0, IEEE 802.11b/g/n, NFC (Near Field Communication) | HDMI, USB 2.0, IEEE 802.11b/g/n, NFC (Near Field Communication), Bluetooth 4.1 |
|---|---|---|
| Connectivity Features | Remote control via mobile devices, remote live view | Remote control via mobile devices, remote live view |
| Print Standard | DPOF support, Exif Print support, PRINT Image Matching | DPOF support, Exif Print support, PRINT Image Matching |
| Computer Connectivity | - | Mac, Windows |
| Flash Terminal | Hot shoe | Hot shoe |
| Connector Type | USB 2.0 HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) |
USB 2.0 HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) |
| FEATURES | Sony Alpha7R II ILCE-7RM2 | Sony Alpha6400 ILCE-6400M + E 18-135mm OSS |
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| Self-Timer Delay | 10 sec, 2sec | 10 sec, 2sec, 5 sec |
|---|---|---|
| Continuous Shooting Speed | 2.5 frames per second, 5 frames per second | 8 frames per second, 3 frames per second, 6 frames per second, 11 frames per second |
| HDR Mode | Auto HDR mode | HDR Movie mode |
| Additional Features | Built-in speaker, RGB primary colour filter, sharpness control, AE lock, AF lock, saturation control, Sweep Panorama technology, contrast control, Dynamic Range Optimizer, USB charging, built-in help guide, peripheral illumination correction, Chromatic Aberration Compensation (CAC), x.v.Colour technology, Multi-Frame Noise Reduction, Intelligent AUTO (iAUTO), High ISO NR, Lens Distortion Compensation (LDC), no anti-aliasing filter, Superior Auto mode, Clear Image Zoom, noise reduction over long exposures, PlayMemories Camera Apps support, BRAVIA Sync function, PhotoTV HD, Auto Object Framing | Built-in speaker, RGB primary colour filter, AE lock, AF lock, FE lock, Sweep Panorama technology, USB powered, Dynamic Range Optimizer, USB charging, peripheral illumination correction, Chromatic Aberration Compensation (CAC), Intelligent AUTO (iAUTO), High ISO NR, high-speed recording, Time-Lapse recording, Superior Auto mode, noise reduction over long exposures, Lens Distortion Correction, slow motion recording |
| OTHERS | Sony Alpha7R II ILCE-7RM2 | Sony Alpha6400 ILCE-6400M + E 18-135mm OSS |
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| Included Accessories | Battery charger, body cap, shoulder strap, AC power adaptor, shoe cap, micro-USB cable, cable protector | Eyepiece cover, dust cap, body cap, lens cap, shoulder strap, shoe cap, micro-USB cable |
|---|---|---|
| Software | Sony PlayMemories Home | - |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | 0 °C | 0 °C |
| Service & Support | Limited warranty - parts and labour - 1 year | - |
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