Sony Alpha6400 ILCE-6400 vs. Sony Alpha7 IV ILCE-7M4

Camera Comparison, Reviews and Tests

In depth comparison and review of Sony Alpha6400 ILCE-6400 and Sony Alpha7 IV ILCE-7M4. 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 Alpha6400 ILCE-6400 vs. Sony Alpha7 IV ILCE-7M4 Comparison Chart
DESIGN AND DIMENSIONS Sony Alpha6400 ILCE-6400 Sony Alpha7 IV ILCE-7M4
Product Type Digital camera - 4K - mirrorless system Digital camera - 4K - mirrorless system
Lens Included Body only Body only
Height 6.69 cm 9.64 cm
Width 12 cm 13.13 cm
Depth 4.99 cm 7.98 cm
Weight 359 g 658 g
Weight Details Camera body only: 359 g
Camera with battery and memory card: 403 g
Camera with battery and memory card: 658 g
Body Material Magnesium alloy Magnesium alloy
Enclosure Colour Black -
Protection - Dust-resistant, moisture-resistant
Digital Zoom 4x 4x
SENSOR Sony Alpha6400 ILCE-6400 Sony Alpha7 IV ILCE-7M4
Sensor Resolution 24.2 Megapixel 33.0 Megapixel
Optical Sensor Type Exmor CMOS Exmor R CMOS
Total Pixels 25,000,000 pixels 34,100,000 pixels
Effective Sensor Resolution 24,200,000 pixels 33,000,000 pixels
Optical Sensor Size APS-C (23.5 x 15.6 mm) Full Frame (35.9 x 23.9 mm)
Frame Rate (Max Resolution) 30 fps 60 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 (Steady Shot with 5-axis Intelligent Active Mode)
Built-in Optical Image Stabiliser - Yes
Sensors - Digital level metre
PROCESSOR Sony Alpha6400 ILCE-6400 Sony Alpha7 IV ILCE-7M4
Image Processor BIONZ X BIONZ XR
LENS Sony Alpha6400 ILCE-6400 Sony Alpha7 IV ILCE-7M4
Lens Mounting Type Sony E-mount Sony E-mount
FOCUSING Sony Alpha6400 ILCE-6400 Sony Alpha7 IV ILCE-7M4
Auto Focus TTL contrast and phase detection TTL contrast and phase detection
Auto Focus Points (Zones) Qty 425 759
Auto Focus Features Focus Peaking function, 4D FOCUS system Focus Peaking function, Predictive Focus Control
AE/AF Control Eye detection AF, Predictive AI Servo AF, Real-time Eye AF, Real-time Tracking AF Face-priority AF, Subject-tracking AF, Touch Area AF, Zone AF, Real-time Eye AF, Real-time Tracking AF, Wide-area AF, Expanded area AF, animal eye detection, bird eye detection, right/left eye select
Face Detection Yes Eye Detect AF, face-priority AF function
VIEWFINDER Sony Alpha6400 ILCE-6400 Sony Alpha7 IV ILCE-7M4
Viewfinder Type Electronic - OLED Electronic - OLED
Viewfinder Colour Support Colour Colour
Viewfinder Diagonal Size 0.39" 0.5"
Viewfinder Resolution 2,359,296 pixels 3,686,400 pixels
Optical Viewfinder Field Coverage - 100%
Optical Viewfinder Magnification 1.07x 0.78x
Optical Viewfinder Dioptric Correction Range - -4 to +3
Field of View Crop Factor 1.5 -
Features Auto eye sensor -
EXPOSURE & WHITE BALANCE Sony Alpha6400 ILCE-6400 Sony Alpha7 IV ILCE-7M4
ISO (Max) 102400 204800
Native ISO 100-32000 100-51200
Extended ISO (Max) 102400 204800
Extended ISO (Min) - 50
Light Sensitivity ISO auto (100-6400), ISO 100-32000 ISO 50, ISO auto, ISO 204800, ISO 100-51200
Exposure Metering Multi-segment, centre-weighted, spot Multi-segment, centre-weighted, average, highlight spot
Exposure Metering Zones 1200 1200
Exposure Modes Programme, bulb, automatic, manual, aperture-priority, shutter-priority Automatic, manual, aperture-priority, shutter-priority
Bracketing Modes Flash Exposure Bracketing, white balance bracketing Dynamic Range Bracketing, white balance bracketing
Shooting Programs Landscape, portrait mode, macro, night portrait, night scene, sports mode, sunset, handheld twilight, anti-motion blur -
Special Effects 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 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) Incandescent, fluorescent, cloudy, Flash, daylight, shade, Underwater, 2500K - 9900K
Shutter Type Mechanical, electronic Mechanical electronically-controlled
Max Shutter Speed 1/4000 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 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 3, 5 or 9 steps
White Balance Bracketing Yes -
X-sync Speed 1/160 sec 1/250sec
Exposure Range EV -2-20 (ISO 100) EV -3-20 (ISO 100)
DISPLAY Sony Alpha6400 ILCE-6400 Sony Alpha7 IV ILCE-7M4
Type 3" LCD display 3" LCD display
Touch Screen Yes Yes
Display Format 921,600 pixels 1,036,000 pixels
Display Form Factor Tilting Folding
Display Features Display brightness control, display colour control, display contrast control Display brightness control
FLASH Sony Alpha6400 ILCE-6400 Sony Alpha7 IV ILCE-7M4
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 Alpha6400 ILCE-6400 Sony Alpha7 IV ILCE-7M4
Digital Video Format AVCHD, XAVC S MPEG-4, H.264, XAVC S, 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 - Linear PCM, AAC
Surround Sound Dolby Digital AC-3 (2 channel) recording -
Microphone Operation Mode Stereo Stereo
Microphone Features - Wind noise reduction
MEMORY Sony Alpha6400 ILCE-6400 Sony Alpha7 IV ILCE-7M4
Memory Card Slot Memory Stick PRO Duo card, SD card SD card, CFexpress / SD card
Supported Memory Cards 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 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
Memory Card Included No -
Image Storage 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
7008 x 4672
4608 x 3072
3504 x 2336
4608 x 3072 - APS-C mode
3504 x 2336 - APS-C mode
6224 x 4672
4096 x 3072
3120 x 2336
4096 x 3072 - APS-C mode
3120 x 2336 - APS-C mode
7008 x 3944
4608 x 2592
3504 x 1968
4608 x 2592 - APS-C mode
3504 x 1968 - APS-C mode
4672 x 4672
3072 x 3072
2336 x 2336
3072 x 3072 - APS-C mode
2336 x 2336 - APS-C mode
Video Capture 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
XAVC HS - 3840 x 2160 p - 60 fps
XAVC HS - 3840 x 2160 p - 24 fps
XAVC HS - 3840 x 2160 p - 50 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 - 50 fps
XAVC S - 3840 x 2160 p - 25 fps
XAVC S - 1920 x 1080 p - 60 fps
XAVC S - 1920 x 1080 p - 30 fps
XAVC S - 1920 x 1080 p - 24 fps
XAVC S - 1920 x 1080 p - 50 fps
XAVC S - 1920 x 1080 p - 25 fps
BATTERY AND CHARGING Sony Alpha6400 ILCE-6400 Sony Alpha7 IV ILCE-7M4
Battery Type Sony NP-FW50 Lithium Ion Sony NP-FZ100 Lithium Ion
Details Sony NP-FW50 Li-ion rechargeable battery - 1080 mAh (included) Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included)
Battery Life 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)
Photo shooting - 520 shots (EVF on)
Photo shooting - 580 shots (LCD Monitor on)
Video recording - 100 minutes (EVF on)
Video recording - 110 minutes (LCD Monitor on)
CONNECTIONS Sony Alpha6400 ILCE-6400 Sony Alpha7 IV ILCE-7M4
Interface HDMI, USB 2.0, IEEE 802.11b/g/n, NFC (Near Field Communication), Bluetooth 4.1 USB 2.0, USB-C, IEEE 802.11a/b/g/n/ac, Bluetooth 4.1
Connectivity Features Remote control via mobile devices, remote live view Remote control via mobile devices, remote live view, Wireless Image Transfer, wireless video upload to FTP server, PC Remote functions via Wi-Fi
Print Standard DPOF support, Exif Print support, PRINT Image Matching 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)
USB 2.0 (5 pin Micro-USB Type B)
USB 3.2 Gen 1 (USB Type-C)
Microphone (mini-phone stereo 3.5 mm)
Headphones (mini-phone stereo 3.5 mm)
FEATURES Sony Alpha6400 ILCE-6400 Sony Alpha7 IV ILCE-7M4
Self-Timer Delay 10 sec, 2sec, 5 sec 10 sec, 2sec, 5 sec
Continuous Shooting Speed 8 frames per second, 3 frames per second, 6 frames per second, 11 frames per second 8 frames per second, 3 frames per second, 10 frames per second, 6 frames per second
HDR Mode HDR Movie mode -
Additional Features 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 Built-in speaker, camera orientation detection, histogram display, shadow point display, highlight point display, Dynamic Range Optimizer, USB charging, Intelligent AUTO (iAUTO), fast motion recording, noise reduction over long exposures, high ISO speed noise reduction, silent shooting, BRAVIA Sync function, distortion correction function, S-Log2 gamma setting, slow motion recording, peripheral shading correction, chromatic aberration correction, anti-flicker, Hybrid Log-Gamma (HLG) recording, S-Log3 gamma setting, 4:2:2 10-bit internal rercording, simultaneous streaming & recording mode, focus breathing compensation, USB streaming, 14-bit RAW
OTHERS Sony Alpha6400 ILCE-6400 Sony Alpha7 IV ILCE-7M4
Included Accessories Eyepiece cover, body cap, shoulder strap, shoe cap, micro-USB cable Eyepiece cover, body cap, shoulder strap, AC power adaptor, shoe cap, USB-C to USB-A cable
Max Operating Temperature 40 °C 40 °C
Min Operating Temperature 0 °C 0 °C
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