In depth comparison and review of Sony Alpha9 ILCE-9 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.
| DESIGN AND DIMENSIONS | Sony Alpha9 ILCE-9 | Sony Alpha7 IV ILCE-7M4 |
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| Product Type | Digital camera - 4K - mirrorless system | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 9.56 cm | 9.64 cm |
| Width | 12.69 cm | 13.13 cm |
| Depth | 6.3 cm | 7.98 cm |
| Weight | 673 g | 658 g |
| Weight Details | Camera with battery and memory card: 673 g | Camera with battery and memory card: 658 g |
| Body Material | Magnesium alloy | Magnesium alloy |
| Enclosure Colour | Black | - |
| Protection | Dust-resistant, moisture-resistant | Dust-resistant, moisture-resistant |
| Digital Zoom | 4x | 4x |
| SENSOR | Sony Alpha9 ILCE-9 | Sony Alpha7 IV ILCE-7M4 |
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| Sensor Resolution | 24.2 Megapixel | 33.0 Megapixel |
|---|---|---|
| Optical Sensor Type | Exmor RS CMOS | Exmor R CMOS |
| Total Pixels | 28,300,000 pixels | 34,100,000 pixels |
| Effective Sensor Resolution | 24,200,000 pixels | 33,000,000 pixels |
| Optical Sensor Size | Full Frame (35.6 x 23.8 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, APS-C compatible mode | Dust Reduction (image sensor vibration), Anti-Dust coating |
| Image Stabiliser | Optical (5-axis image sensor shift mechanism) | Optical (Steady Shot with 5-axis Intelligent Active Mode) |
| Built-in Optical Image Stabiliser | Yes | Yes |
| Sensors | Digital level metre | Digital level metre |
| PROCESSOR | Sony Alpha9 ILCE-9 | Sony Alpha7 IV ILCE-7M4 |
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| Image Processor | BIONZ X | BIONZ XR |
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| LENS | Sony Alpha9 ILCE-9 | Sony Alpha7 IV ILCE-7M4 |
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| Lens Mounting Type | Sony E-mount | Sony E-mount |
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| FOCUSING | Sony Alpha9 ILCE-9 | Sony Alpha7 IV ILCE-7M4 |
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| Auto Focus | TTL contrast and phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 693 | 759 |
| Auto Focus Features | Focus Peaking function | Focus Peaking function, Predictive Focus Control |
| AE/AF Control | Touch Area AF, Eye detection AF, Predictive AI Servo AF, Zone 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 Alpha9 ILCE-9 | Sony Alpha7 IV ILCE-7M4 |
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| Viewfinder Type | Electronic - OLED | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | Colour | Colour |
| Viewfinder Diagonal Size | 0.5" | 0.5" |
| Viewfinder Resolution | 3,686,400 pixels | 3,686,400 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 0.78x | 0.78x |
| Optical Viewfinder Dioptric Correction Range | -4 to +3 | -4 to +3 |
| Field of View Crop Factor | 1.0 | - |
| Features | Viewfinder brightness control, colour temperature control | - |
| EXPOSURE & WHITE BALANCE | Sony Alpha9 ILCE-9 | Sony Alpha7 IV ILCE-7M4 |
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| ISO (Max) | 204800 | 204800 |
|---|---|---|
| Native ISO | 100-51200 | 100-51200 |
| Extended ISO (Max) | 204800 | 204800 |
| Extended ISO (Min) | 50 | 50 |
| Light Sensitivity | ISO 50, ISO auto, ISO 102400, ISO 204800, ISO 100-51200 | ISO 50, ISO auto, ISO 204800, ISO 100-51200 |
| Exposure Metering | Multi-segment, centre-weighted, spot, average, highlight-weighted | Multi-segment, centre-weighted, average, highlight spot |
| Exposure Metering Zones | 1200 | 1200 |
| Exposure Modes | Bulb, automatic, manual, aperture-priority, shutter-priority | Automatic, manual, aperture-priority, shutter-priority |
| Bracketing Modes | Dynamic Range Bracketing, white balance bracketing | Dynamic Range Bracketing, white balance 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 | 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 | Mechanical electronically-controlled |
| Max Shutter Speed | 1/32000 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 | 3, 5 or 9 steps |
| White Balance Bracketing | Yes | - |
| X-sync Speed | 1/250sec | 1/250sec |
| Exposure Range | EV -3-20 (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Sony Alpha9 ILCE-9 | Sony Alpha7 IV ILCE-7M4 |
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| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | Yes | Yes |
| Display Format | 1,440,000 pixels | 1,036,000 pixels |
| Display Form Factor | Folding | Folding |
| Display Features | Display brightness control | Display brightness control |
| FLASH | Sony Alpha9 ILCE-9 | Sony Alpha7 IV ILCE-7M4 |
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| Features | AF illuminator | - |
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| VIDEOGRAPHY / CAMCORDER | Sony Alpha9 ILCE-9 | Sony Alpha7 IV ILCE-7M4 |
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| Digital Video Format | AVCHD, H.264, 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 | Dolby Digital AC-3 (2 channel), Linear PCM, AAC | Linear PCM, AAC |
| Microphone Operation Mode | Stereo | Stereo |
| Microphone Features | - | Wind noise reduction |
| MEMORY | Sony Alpha9 ILCE-9 | Sony Alpha7 IV ILCE-7M4 |
|---|
| Memory Card Slot | SD card, 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, 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, CFexpress |
| Memory Card Included | No | - |
| Image Storage | 6000 x 4000 3936 x 2624 3008 x 2000 1968 x 1312 6000 x 3376 3936 x 2216 3008 x 1688 1968 x 1112 |
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 - 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 AVCHD - 1920 x 1080 p - 60 fps - 28Mbps AVCHD - 1920 x 1080 i - 60 fps - 24Mbps AVCHD - 1920 x 1080 i - 60 fps - 17Mbps AVCHD - 1920 x 1080 p - 24 fps - 24Mbps AVCHD - 1920 x 1080 p - 24 fps - 17Mbps H.264 - 1920 x 1080 p - 60 fps - 28Mbps H.264 - 1920 x 1080 p - 30 fps - 16Mbps H.264 - 1280 x 720 p - 30 fps - 6Mbps 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 AVCHD - 1920 x 1080 p - 50 fps - 28Mbps AVCHD - 1920 x 1080 i - 50 fps - 24Mbps AVCHD - 1920 x 1080 i - 50 fps - 17Mbps AVCHD - 1920 x 1080 p - 25 fps - 24Mbps AVCHD - 1920 x 1080 p - 25 fps - 17Mbps H.264 - 1920 x 1080 p - 50 fps - 28Mbps H.264 - 1920 x 1080 p - 25 fps - 16Mbps H.264 - 1280 x 720 p - 25 fps - 6Mbps |
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 Alpha9 ILCE-9 | Sony Alpha7 IV ILCE-7M4 |
|---|
| 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 - 650 shots (LCD Monitor on) Photo shooting - 480 shots (LCD Monitor off) |
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 Alpha9 ILCE-9 | 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, 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 |
| Flash Terminal | Hot shoe, PC terminal | 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) Network (RJ-45) |
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 Alpha9 ILCE-9 | Sony Alpha7 IV ILCE-7M4 |
|---|
| Self-Timer Delay | 10 sec, 2sec, 5 sec | 10 sec, 2sec, 5 sec |
|---|---|---|
| Continuous Shooting Speed | 20 frames per second | 8 frames per second, 3 frames per second, 10 frames per second, 6 frames per second |
| Additional Features | Built-in speaker, sharpness control, digital image rotation, histogram display, saturation control, takes photos while film recording, contrast control, Dynamic Range Optimizer, built-in help guide, Dolby Digital Stereo Creator, Chromatic Aberration Compensation (CAC), Clear Image Zoom, noise reduction over long exposures, Lens Distortion Correction, high ISO speed noise reduction, silent shooting, BRAVIA Sync function, PhotoTV HD, simultaneous multi-format recording, peripheral shading correction | 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 Alpha9 ILCE-9 | Sony Alpha7 IV ILCE-7M4 |
|---|
| Included Accessories | Eyepiece cover, body cap, shoulder strap, AC power adaptor, USB cable, shoe cap | 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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