In depth comparison and review of Samsung GALAXY NX and Pentax 645Z. 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 | Samsung GALAXY NX | Pentax 645Z |
|---|
| Product Type | Digital camera - 1080p - mirrorless system | Digital camera - 1080p - SLR with Live View mode, movie recording |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 10.12 cm | 11.7 cm |
| Width | 13.65 cm | 15.6 cm |
| Depth | 2.57 cm | 12.3 cm |
| Weight | 410 g | 1.47 kg |
| Weight Details | - | Camera body only: 1.47 kg Camera with battery and memory card: 1.55 kg |
| Protection | - | Dust-resistant, water-resistant |
| Navigation | GPS receiver, A-GPS receiver, GPS/GLONASS receiver | - |
| SENSOR | Samsung GALAXY NX | Pentax 645Z |
|---|
| Sensor Resolution | 20.3 Megapixel | 51.4 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | CMOS |
| Total Pixels | 21,600,000 pixels | 52,990,000 pixels |
| Effective Sensor Resolution | 20,300,000 pixels | 51,400,000 pixels |
| Optical Sensor Size | APS-C (23.5 x 15.7 mm) | - |
| Frame Rate (Max Resolution) | - | 30 fps |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | Supersonic Wave Filter (SWF) | Dust Reduction (image sensor vibration) |
| Sensors | Magnetometer, G-sensor, 3-axis accelerometer | - |
| PROCESSOR | Samsung GALAXY NX | Pentax 645Z |
|---|
| Processor | 1.6 GHz quad-core | - |
|---|---|---|
| Image Processor | DRIMeIV | - |
| Operating System | Android 4.2 (Jelly Bean) | - |
| LENS | Samsung GALAXY NX | Pentax 645Z |
|---|
| Lens Mounting Type | Samsung NX | Pentax 645AF |
|---|
| FOCUSING | Samsung GALAXY NX | Pentax 645Z |
|---|
| Auto Focus | TTL contrast and phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | - | 27 |
| AE/AF Control | Face-priority AF | - |
| Face Detection | Face-priority AF function | - |
| VIEWFINDER | Samsung GALAXY NX | Pentax 645Z |
|---|
| Viewfinder Type | Built-in - electronic | Optical - trapezoid prism |
|---|---|---|
| Viewfinder Colour Support | Colour | - |
| Viewfinder Diagonal Size | 0.46" | - |
| Optical Viewfinder Field Coverage | 100% | 98% |
| Optical Viewfinder Magnification | 0.68x | 0.62x |
| Optical Viewfinder Dioptric Correction Range | -4 to +2 | -3.5 to +2 |
| Field of View Crop Factor | - | 1.3 |
| EXPOSURE & WHITE BALANCE | Samsung GALAXY NX | Pentax 645Z |
|---|
| ISO (Max) | 25600 | 204800 |
|---|---|---|
| Native ISO | - | 100-204800 |
| Light Sensitivity | ISO 100, ISO 800, ISO 400, ISO 200, ISO 1600, ISO 6400, ISO 3200, ISO auto (100-3200), ISO 12800, ISO 25600 | ISO auto (100-204800), ISO 100-248000 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, centre-weighted, spot |
| Exposure Metering Zones | 221 | - |
| Exposure Modes | Programme, bulb, automatic, manual, aperture-priority, shutter-priority | Programme, bulb, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority |
| Special Effects | Sepia, fisheye, Cartoon, Vignetting, Greyscale, Vintage, Colour Fade, Oil Pastel, Rugged, Moody, Tint, Turquoise | Natural, bright, Vibrant, monochrome, Muted, landscape, portrait, Cross Process, Bleach Bypass, Radiant, Reversal Film |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Cloudy, tungsten light, Flash, daylight, fluorescent light (daylight), fluorescent light (warm white), fluorescent light (natural white) | Tungsten light, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (warm white), fluorescent light (daylight colour), fluorescent light (daylight white) |
| Shutter Type | - | Electronic |
| Max Shutter Speed | 1/6000 sec | 1/4000 sec |
| Min Shutter Speed | 30 sec | 30 sec |
| Exposure Compensation | ±3 EV range, in 1/3 EV steps | ±5 EV range, in 1/2 or 1/3 EV steps |
| Auto Exposure Bracketing | 3 steps | - |
| White Balance Bracketing | Yes | - |
| X-sync Speed | 1/180 sec | 1/125sec |
| Exposure Range | - | EV -1-21 (ISO 200) |
| DISPLAY | Samsung GALAXY NX | Pentax 645Z |
|---|
| Type | 4.8" LCD display | 3.2" LCD display |
|---|---|---|
| Touch Screen | Yes | - |
| Display Format | 1280 x 720 | 1,037,000 pixels |
| Display Form Factor | Built-in | Folding |
| Display Features | - | Display brightness control, display colour control |
| FLASH | Samsung GALAXY NX | Pentax 645Z |
|---|
| Camera Flash | Pop-up flash | - |
|---|---|---|
| Guide Number (m / ISO 100) | 11 | - |
| Flash Modes | Fill-in mode, auto mode with red-eye reduction, rear curtain sync, auto mode, flash OFF mode | - |
| Red-Eye Reduction | Yes | - |
| Features | AF illuminator, flash +/- compensation, flash exposure bracketing | - |
| VIDEOGRAPHY / CAMCORDER | Samsung GALAXY NX | Pentax 645Z |
|---|
| Digital Video Format | H.264 | MJPEG, H.264 |
|---|---|---|
| Image Recording Format | JPEG, RAW, MPO | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | 1920 x 1080 | 1920 x 1080 |
| Microphone Operation Mode | Stereo | - |
| MEMORY | Samsung GALAXY NX | Pentax 645Z |
|---|
| Internal Storage | 16 GB flash | - |
|---|---|---|
| Memory Card Slot | microSD card | Dual SD card |
| Supported Memory Cards | microSD Card, microSDHC Card, microSDXC Card | SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card |
| Memory Card Included | - | No |
| Memory Card Max Supported Size | 64 GB | - |
| Image Storage | RAW 5472 x 3648 JPEG 5472 x 3648 JPEG 3888 x 2592 JPEG 2976 x 1984 JPEG 1728 x 1152 JPEG 5472 x 3080 JPEG 3712 x 2088 JPEG 2944 x 1656 JPEG 1920 x 1080 JPEG 3648 x 3648 JPEG 2640 x 2640 JPEG 2000 x 2000 JPEG 1024 x 1024 JPEG 2688 x 1512 - 3D mode JPEG 1920 x 1080 - 3D mode |
- |
| Video Capture | H.264 - 1920 x 1080 - 25 fps H.264 - 1280 x 720 - 50 fps H.264 - 1280 x 720 - 25 fps H.264 - 640 x 480 - 50 fps H.264 - 640 x 480 - 25 fps H.264 - 320 x 240 - 25 fps H.264 - 1920 x 1080 - 30 fps H.264 - 1280 x 720 - 60 fps H.264 - 1280 x 720 - 30 fps H.264 - 640 x 480 - 60 fps H.264 - 640 x 480 - 30 fps H.264 - 320 x 240 - 30 fps H.264 - 1920 x 810 - 24 fps |
- |
| RAM Installed | 2 GB | - |
| BATTERY AND CHARGING | Samsung GALAXY NX | Pentax 645Z |
|---|
| Battery Type | Lithium Ion - manufacturer-specific | Pentax D-Li90 Lithium Ion |
|---|---|---|
| Details | Li-ion rechargeable battery - 4360 mAh (included) | Pentax D-Li90 Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 440 shots Video recording - 3.17 hours Playback - 14 hours Music playback - 104 hours Internet use - 13 hours (3G) Internet use - 16 hours (Wi-Fi) |
Photo shooting - 650 shots Playback - 6.67 hours |
| CONNECTIONS | Samsung GALAXY NX | Pentax 645Z |
|---|
| Interface | HDMI, USB 2.0, IEEE 802.11a/b/g/n, Bluetooth 4.0, LTE, HSPA+ | HDMI, USB 3.0 |
|---|---|---|
| Print Standard | Exif Print support | - |
| Flash Terminal | Hot shoe | Hot shoe |
| Connector Type | USB 2.0 HDMI output |
USB 3.0 (24 pin Micro-USB-C) HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) DC power input |
| FEATURES | Samsung GALAXY NX | Pentax 645Z |
|---|
| Self-Timer Delay | 10 sec, 2sec, 5 sec, 30 sec | 2sec, 12sec |
|---|---|---|
| Continuous Shooting Speed | 5 frames per second, 30 frames per second (5MP), 10 frames per second (5MP), 15 frames per second (5MP), 8.6 frames per second | 3 frames per second, 4.5 frames per second |
| Additional Features | Built-in speaker, RGB primary colour filter, in-camera film editing, USB charging, light sensor, HDR image enhancement technology, Smart AUTO, Lens Distortion Correction, Photo Suggest, Trip Advisor, S Voice, S Translator, Wi-Fi Direct | RGB primary colour filter, interval shooting mode, peripheral illumination correction, Eye-Fi Card Ready, NR Slow Shutter, High ISO NR, Lateral Chromatic Aberration Correction, distortion correction function, anti-aliasing filter simulator, diffraction correction |
| OTHERS | Samsung GALAXY NX | Pentax 645Z |
|---|
| Included Accessories | Body cap | Carrying strap, battery charger, body cap, eyecup, shoe cap |
|---|---|---|
| Software | Drivers & Utilities, Adobe Photoshop Lightroom, Samsung Kies | Drivers & Utilities |
| Max Operating Temperature | 40 °C | - |
| Min Operating Temperature | 0 °C | - |
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