In depth comparison and review of Sony Alpha NEX C3K + 18-55mm OSS and Sony Alpha7R IV ILCE-7RM4. 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 Alpha NEX C3K + 18-55mm OSS | Sony Alpha7R IV ILCE-7RM4 |
|---|
| Product Type | Digital camera - 720p - mirrorless system | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | 18-55mm OSS lens | Body only |
| Height | 6 cm | 9.64 cm |
| Width | 11 cm | 12.89 cm |
| Depth | 3.3 cm | 7.75 cm |
| Weight | 225 g | 665 g |
| Weight Details | - | Camera body only: Camera with battery and memory card: 665 g |
| Enclosure Colour | Black | Silver | Black |
| Optical Zoom | 3x | - |
| SENSOR | Sony Alpha NEX C3K + 18-55mm OSS | Sony Alpha7R IV ILCE-7RM4 |
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| Sensor Resolution | 16.2 Megapixel | 61 Megapixel |
|---|---|---|
| Optical Sensor Type | Exmor APS HD CMOS | Exmor R CMOS |
| Total Pixels | 16,500,000 pixels | 62,500,000 pixels |
| Effective Sensor Resolution | 16,200,000 pixels | 61,000,000 pixels |
| Optical Sensor Size | APS-C (23.5 x 15.6 mm) | Full Frame (35.7 x 23.8 mm) |
| Frame Rate (Max Resolution) | - | 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 (Steady Shot) | Optical (5-axis Steady Shot) |
| Built-in Optical Image Stabiliser | - | Yes |
| Sensors | - | Digital level metre |
| PROCESSOR | Sony Alpha NEX C3K + 18-55mm OSS | Sony Alpha7R IV ILCE-7RM4 |
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| Image Processor | BIONZ | BIONZ X |
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| LENS | Sony Alpha NEX C3K + 18-55mm OSS | Sony Alpha7R IV ILCE-7RM4 |
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| Type | Zoom lens - 3x zoom - 18 - 55 mm - f/3.5-5.6 - zoom | - |
|---|---|---|
| Focal Length Equivalent to 35mm Camera | 27 - 82.5mm | - |
| Focus Adjustment | Automatic, manual | - |
| Min Focus Distance | 25 cm | - |
| Max View Angle | 76 degree(s) | - |
| Zoom Adjustment | Manual | - |
| Lens Construction | 9 groups / 11 elements | - |
| Filter Size | 49 mm | - |
| Lens Mounting Type | Sony E-mount | Sony E-mount |
| Features | Aspherical lens | - |
| FOCUSING | Sony Alpha NEX C3K + 18-55mm OSS | Sony Alpha7R IV ILCE-7RM4 |
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| Auto Focus | TTL contrast detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 25 | 567 |
| Auto Focus Features | - | Predictive Focus Control, Focus Priority in Aperture Drive |
| AE/AF Control | - | Zone AF, Real-time Eye AF, Real-time Tracking AF |
| Face Detection | Smile Shutter, face and smile detection | Eye Detect AF, face-priority AF function |
| VIEWFINDER | Sony Alpha NEX C3K + 18-55mm OSS | Sony Alpha7R IV ILCE-7RM4 |
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| Viewfinder Type | - | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | - | Colour |
| Viewfinder Diagonal Size | - | 0.5" |
| Viewfinder Resolution | - | 5,760,000 pixels |
| Optical Viewfinder Field Coverage | - | 100% |
| Optical Viewfinder Magnification | - | 0.78x |
| Optical Viewfinder Dioptric Correction Range | - | -4 to +3 |
| Field of View Crop Factor | 1.5 | - |
| Features | - | Viewfinder brightness control, colour temperature control |
| EXPOSURE & WHITE BALANCE | Sony Alpha NEX C3K + 18-55mm OSS | Sony Alpha7R IV ILCE-7RM4 |
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| ISO (Max) | 12800 | 32000 |
|---|---|---|
| Native ISO | - | 100-32000 |
| Extended ISO (Max) | - | 102400 |
| Extended ISO (Min) | - | 50 |
| Light Sensitivity | ISO auto, ISO 200-12800 | ISO 50, ISO 102400, ISO auto (100-12800), ISO 100-32000 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, centre-weighted, spot, average |
| Exposure Metering Zones | 49 | 1200 |
| Exposure Modes | Programme, bulb, automatic, manual, aperture-priority, shutter-priority | Bulb, automatic, manual, aperture-priority, shutter-priority |
| Bracketing Modes | - | Dynamic Range Bracketing, white balance bracketing |
| Shooting Programs | Landscape, portrait mode, macro, night portrait, sports mode, sunset, handheld twilight, Night View | - |
| Special Effects | Black & White, Neutral, Vivid, sunset, landscape, portrait, Retro, partial colour, Toy camera, Posterisation, High Key, High contrast monochrome, Pop Colour | 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) |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Incandescent, fluorescent, cloudy, Flash, daylight, shade, 2500K - 9900K (19 steps) | 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 |
| Max Shutter Speed | 1/4000 sec | 1/8000 sec |
| Min Shutter Speed | 30 sec | 30 sec |
| Exposure Compensation | ±2 EV range, in 1/3 EV steps | ±5 EV range, in 1/2 or 1/3 EV steps |
| Auto Exposure Bracketing | 3 steps in 1/3 or 2/3 EV steps | 3, 5, 9 steps in 1/3, 1/2, 2/3, 1, 2 or 3 EV steps |
| White Balance Bracketing | - | Yes |
| X-sync Speed | 1/160 sec | 1/250sec |
| Exposure Range | EV 0-20 (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Sony Alpha NEX C3K + 18-55mm OSS | Sony Alpha7R IV ILCE-7RM4 |
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| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | - | Yes |
| Display Format | 921,600 pixels | 1,440,000 pixels |
| Display Form Factor | Folding | Folding |
| Display Features | Display brightness control | Display brightness control, Peaking AF display, Touch AF |
| FLASH | Sony Alpha NEX C3K + 18-55mm OSS | Sony Alpha7R IV ILCE-7RM4 |
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| Camera Flash | Detachable flash | - |
|---|---|---|
| Guide Number (m / ISO 100) | 7 | - |
| Flash Modes | Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction | - |
| Red-Eye Reduction | Yes | - |
| Features | AF illuminator, flash +/- compensation | - |
| External Flash Name | Sony HVL-F7S | - |
| VIDEOGRAPHY / CAMCORDER | Sony Alpha NEX C3K + 18-55mm OSS | Sony Alpha7R IV ILCE-7RM4 |
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| Digital Video Format | H.264 | AVCHD, XAVC S |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG, MPO | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | 1280 x 720 | 3840 x 2160 |
| Audio Signal Format | - | Dolby Digital AC-3 (2 channel), Linear PCM |
| Microphone Operation Mode | Stereo | Stereo |
| MEMORY | Sony Alpha NEX C3K + 18-55mm OSS | Sony Alpha7R IV ILCE-7RM4 |
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| Memory Card Slot | Memory Stick PRO Duo card, SD card | Dual SD card |
|---|---|---|
| Supported Memory Cards | SD Memory Card, Memory Stick PRO Duo, SDXC Memory Card, Memory Stick PRO-HG Duo HX, SDHC Memory Card, Memory Stick PRO-HG Duo | 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 |
| Included Memory Card | 8 GB SDHC | - |
| Image Storage | 4912 x 3264 3568 x 2368 2448 x 1624 4912 x 2760 3568 x 2368 2448 x 1624 |
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 |
| Video Capture | H.264 - 1280 x 720 - 30 fps - 9Mbps H.264 - 1280 x 720 - 30 fps - 6Mbps H.264 - 640 x 480 - 30 fps - 3Mbps |
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 |
| BATTERY AND CHARGING | Sony Alpha NEX C3K + 18-55mm OSS | Sony Alpha7R IV ILCE-7RM4 |
|---|
| Battery Type | Sony NP-FW50 Lithium Ion | Sony NP-FZ100 Lithium Ion |
|---|---|---|
| Details | Li-ion rechargeable battery - 1080 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) |
| CONNECTIONS | Sony Alpha NEX C3K + 18-55mm OSS | Sony Alpha7R IV ILCE-7RM4 |
|---|
| Interface | HDMI, USB 2.0 | HDMI, USB 2.0, USB-C, NFC (Near Field Communication), IEEE 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Connectivity Features | - | Remote control via mobile devices, remote live view, PC Remote functions via Wi-Fi |
| Print Standard | DPOF support, Exif Print support, PRINT Image Matching | DPOF support, Exif Print support, PRINT Image Matching |
| Flash Terminal | Hot shoe | Hot shoe, PC terminal |
| Connector Type | USB 2.0 HDMI output |
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) |
| FEATURES | Sony Alpha NEX C3K + 18-55mm OSS | Sony Alpha7R IV ILCE-7RM4 |
|---|
| Self-Timer Delay | 10 sec, 2sec | 10 sec, 2sec, 5 sec |
|---|---|---|
| Continuous Shooting Speed | 2.5 frames per second, 5.5 frames per second | 8 frames per second, 3 frames per second, 10 frames per second, 6 frames per second |
| HDR Mode | Auto HDR mode | HDR Movie mode |
| Additional Features | Built-in speaker, RGB primary colour filter, digital noise reduction, date/time stamp, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, Intelligent Scene Recognition (iSCN), Sweep Panorama technology, LCD live view mode, shadow point display, highlight point display, Dynamic Range Optimizer, face detection, built-in help guide, automatic display brightness adjustment, Anti-motion Blur Mode, 3D Sweep Panorama technology, Constant AF Live View, Intelligent AUTO (iAUTO), NR Slow Shutter, High ISO NR | 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 |
| OTHERS | Sony Alpha NEX C3K + 18-55mm OSS | Sony Alpha7R IV ILCE-7RM4 |
|---|
| Included Accessories | Battery charger, dust cap, body cap, lens cap, carrying case, shoulder strap, USB cable, flash carrying case | Eyepiece cover, battery charger, body cap, shoulder strap, shoe cap, cable protector, USB-C cable |
|---|---|---|
| Software | Drivers & Utilities, Adobe Photoshop Elements, Sony Picture Motion Browser, Sony Image Data Converter SR, Sony Image Data Lightbox SR | - |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | 0 °C | 0 °C |
| Service & Support | Limited warranty - parts and labour - 1 year | Limited warranty - parts and labour - 1 year |
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