In depth comparison and review of Pentax K-3 Mark III and Sony Alpha6700 ILCE-6700. 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 | Pentax K-3 Mark III | Sony Alpha6700 ILCE-6700 |
|---|
| Product Type | Digital camera - 4K - SLR with Live View mode, movie recording | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 10.35 cm | 6.9 cm |
| Width | 13.45 cm | 12.2 cm |
| Depth | 7.35 cm | 7.51 cm |
| Weight | 735 g | 409 g |
| Weight Details | Camera body only: 735 g Camera with battery and memory card: 820 g |
Camera body only: 410 g Camera with battery and memory card: 493 g |
| Body Material | Magnesium alloy | - |
| Enclosure Colour | Black | Silver | - |
| Protection | Weatherproof, dust-resistant | - |
| Digital Zoom | - | 2x |
| Navigation | GPS receiver | - |
| SENSOR | Pentax K-3 Mark III | Sony Alpha6700 ILCE-6700 |
|---|
| Sensor Resolution | 25.73 Megapixel | 26.0 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | Exmor R CMOS |
| Total Pixels | 26,780,000 pixels | 27,000,000 pixels |
| Effective Sensor Resolution | 25,730,000 pixels | 26,000,000 pixels |
| Optical Sensor Size | APS-C (23.3 x 15.5 mm) | APS-C (23.5 x 15.6 mm) |
| Frame Rate (Max Resolution) | 30 fps | 119.88 fps |
| Sensor Dust Reduction | - | Yes |
| Sensor Features | Dust Reduction (image sensor vibration), anti-aliasing simulator function | Anti-Dust coating |
| Image Stabiliser | Optical SR II (5-axis image sensor shift mechanism) | Optical (5-axis image sensor shift mechanism) |
| Built-in Optical Image Stabiliser | Yes | Yes |
| Sensors | Digital level metre | - |
| PROCESSOR | Pentax K-3 Mark III | Sony Alpha6700 ILCE-6700 |
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| Image Processor | - | BIONZ XR |
|---|
| LENS | Pentax K-3 Mark III | Sony Alpha6700 ILCE-6700 |
|---|
| Lens Mounting Type | Pentax K | Sony E-mount |
|---|
| FOCUSING | Pentax K-3 Mark III | Sony Alpha6700 ILCE-6700 |
|---|
| Auto Focus | TTL contrast and phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 101 | 759 |
| Auto Focus Features | - | Focus Peaking function |
| AE/AF Control | Auto-area AF, Zone AF, Expanded area AF | Touch AF, Animal detection AF, AF Track Sens, AF Subject Shift Sensivity, AF Transition Speed, AF Area Regist, AF Assist, Focus Map, Circle of Focus Point, Switch V/H AF Area, Bird detection AF, Human detection AF, Insect detection AF, Car detection AF, Train detection AF, Airplane detection AF |
| Face Detection | Yes | Yes |
| VIEWFINDER | Pentax K-3 Mark III | Sony Alpha6700 ILCE-6700 |
|---|
| Viewfinder Type | Optical - fixed eye-level pentaprism | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | - | Colour |
| Viewfinder Diagonal Size | - | 0.39" |
| Viewfinder Resolution | - | 2,359,296 pixels |
| Optical Viewfinder Field Coverage | 100% | - |
| Optical Viewfinder Magnification | 1.05x | 1.07x |
| Optical Viewfinder Dioptric Correction Range | -4 to +1 | -4 to +3 |
| Field of View Crop Factor | - | 1.5 |
| Features | Auto eye sensor | - |
| EXPOSURE & WHITE BALANCE | Pentax K-3 Mark III | Sony Alpha6700 ILCE-6700 |
|---|
| ISO (Max) | 1600000 | 102400 |
|---|---|---|
| Native ISO | - | 100-32000 |
| Extended ISO (Max) | - | 102400 |
| Extended ISO (Min) | - | 50 |
| Light Sensitivity | ISO auto, ISO 100-1600000 | ISO 50, ISO 102400, ISO 100-32000 |
| Exposure Metering | Multi-segment, centre-weighted, spot, highlight-weighted | - |
| Exposure Metering Zones | - | 1200 |
| Exposure Modes | Programme, bulb, automatic, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority | - |
| Bracketing Modes | Depth of field bracketing, motion bracketing | Focus bracketing |
| Special Effects | Soft, Slim, fisheye, natural, bright, Vibrant, monochrome, Muted, Flat, landscape, portrait, miniature, Cross Process, Retro, Colour Extract, Toy camera, High contrast, Colour Invert, Bleach Bypass, Radiant, Reversal Film, Shading, Tone Expansion, Bold Monochrome, Unicolour Bold, Colour replace, Grainy Monochrome | Soft Skin, Creative Look presets |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Cloudy, tungsten light, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Color Temperature Enhancement (CTE), fluorescent light (daylight white) | - |
| Shutter Type | Electronic, mechanical electronically-controlled | Mechanical, electronic |
| Max Shutter Speed | 1/8000 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 |
| X-sync Speed | 1/200sec | 1/160 sec |
| Exposure Range | EV -3-20 (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Pentax K-3 Mark III | Sony Alpha6700 ILCE-6700 |
|---|
| Type | 3.2" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | Yes | Yes |
| Display Format | 1,620,000 pixels | 1,036,800 pixels |
| Display Form Factor | Built-in | Folding (176°) / rotating (270°) |
| Display Features | Colour control, contrast control, display brightness control, night vision LCD display | - |
| VIDEOGRAPHY / CAMCORDER | Pentax K-3 Mark III | Sony Alpha6700 ILCE-6700 |
|---|
| Digital Video Format | H.264, MOV | MPEG-4, H.264, XAVC S, XAVC HD, H.265, XAVC HS |
|---|---|---|
| Image Recording Format | JPEG, DNG (RAW), PEF (RAW) | JPEG, RAW, RAW + JPEG, HEIF, RAW + HEIF |
| Max Video Resolution | 3840 x 2160 | 3840 x 2160 |
| Audio Signal Format | - | Linear PCM |
| Microphone Operation Mode | Stereo | Stereo |
| Microphone Features | Wind noise reduction, sensitivity control | - |
| MEMORY | Pentax K-3 Mark III | Sony Alpha6700 ILCE-6700 |
|---|
| Memory Card Slot | Dual SD card | SD card |
|---|---|---|
| Supported Memory Cards | 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 | 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 | No |
| Image Storage | RAW 6192 x 4128 JPEG 6192 x 4128 JPEG 4752 x 3168 JPEG 3648 x 2432 JPEG 1920 x 1280 |
6192 x 4128 4384 x 2920 3104 x 2064 |
| Video Capture | H.264 - 3840 x 2160 p - 30 fps H.264 - 3840 x 2160 p - 24 fps H.264 - 1920 x 1080 p - 60 fps H.264 - 1920 x 1080 p - 30 fps H.264 - 1920 x 1080 p - 24 fps |
3840 x 2160 p - 119.88 fps - 200Mbps 3840 x 2160 p - 100 fps - 200Mbps 3840 x 2160 p - 59.94 fps - 150Mbps 3840 x 2160 p - 59.94 fps - 75Mbps 3840 x 2160 p - 59.94 fps - 45Mbps 3840 x 2160 p - 50 fps - 150Mbps 3840 x 2160 p - 50 fps - 75Mbps 3840 x 2160 p - 50 fps - 45Mbps 3840 x 2160 p - 23.98 fps - 100Mbps 3840 x 2160 p - 23.98 fps - 50Mbps 3840 x 2160 p - 23.98 fps - 30Mbps 3840 x 2160 p - 119.88 fps - 280Mbps 3840 x 2160 p - 100 fps - 280Mbps 3840 x 2160 p - 59.94 fps - 200Mbps 3840 x 2160 p - 59.94 fps - 100Mbps 3840 x 2160 p - 50 fps - 200Mbps 3840 x 2160 p - 50 fps - 100Mbps 3840 x 2160 p - 23.98 fps - 100Mbps 3840 x 2160 p - 29.97 fps - 100Mbps 3840 x 2160 p - 29.97 fps - 60Mbps 3840 x 2160 p - 25 fps - 100Mbps 3840 x 2160 p - 25 fps - 60Mbps 3840 x 2160 p - 25 fps - 140Mbps 1920 x 1080 p - 119.88 fps - 100Mbps 1920 x 1080 p - 119.88 fps - 60Mbps 1920 x 1080 p - 100 fps - 100Mbps 1920 x 1080 p - 100 fps - 60Mbps 1920 x 1080 p - 59.94 fps - 50Mbps 1920 x 1080 p - 59.94 fps - 25Mbps 1920 x 1080 p - 50 fps - 50Mbps 1920 x 1080 p - 50 fps - 25Mbps 1920 x 1080 p - 29.97 fps - 50Mbps 1920 x 1080 p - 29.97 fps - 16Mbps 1920 x 1080 p - 25 fps - 50Mbps 1920 x 1080 p - 25 fps - 16Mbps 1920 x 1080 p - 23.98 fps - 50Mbps 3840 x 2160 p - 59.94 fps - 600Mbps 3840 x 2160 p - 59.94 fps - 222Mbps 3840 x 2160 p - 50 fps - 500Mbps 3840 x 2160 p - 50 fps - 185Mbps 3840 x 2160 p - 29.97 fps - 300Mbps 3840 x 2160 p - 29.97 fps - 111Mbps 3840 x 2160 p - 25 fps - 250Mbps 3840 x 2160 p - 25 fps - 93Mbps 3840 x 2160 p - 23.98 fps - 240Mbps 3840 x 2160 p - 23.98 fps - 89Mbps |
| BATTERY AND CHARGING | Pentax K-3 Mark III | Sony Alpha6700 ILCE-6700 |
|---|
| Battery Type | Pentax D-Li90 Lithium Ion | Sony NP-FZ100 Lithium Ion |
|---|---|---|
| Details | Pentax D-Li90 Li-ion rechargeable battery (included) | Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included) |
| Battery Life | Photo shooting - 800 shots Playback - 250 minutes |
Photo shooting - 550 shots (EVF on) Photo shooting - 570 shots (LCD Monitor on) Video recording - 95 minutes (EVF on) Video recording - 100 minutes (LCD Monitor on) |
| CONNECTIONS | Pentax K-3 Mark III | Sony Alpha6700 ILCE-6700 |
|---|
| Interface | HDMI, USB-C, IEEE 802.11b/g/n, Bluetooth 4.2 | HDMI, USB 3.2, IEEE 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Connectivity Features | Remote control via mobile devices, remote live view, Wireless Image Transfer | Remote control via mobile devices |
| Print Standard | Exif Print support | - |
| Computer Connectivity | Mac, Windows | - |
| Flash Terminal | Hot shoe, PC terminal | Hot shoe |
| Connector Type | 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) Remote control (sub-mini phone 2.5 mm) |
USB 3.2 (24 pin USB-C) HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) Remote control Headphones (mini-phone stereo 3.5 mm) |
| FEATURES | Pentax K-3 Mark III | Sony Alpha6700 ILCE-6700 |
|---|
| Self-Timer Delay | 2sec, 12sec | - |
|---|---|---|
| Continuous Shooting Speed | 2.5 frames per second, 12 frames per second, 7 frames per second | 11 frames per second |
| HDR Mode | Auto HDR mode | - |
| Additional Features | Audio recording, date/time stamp, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, cropping an image, resizing an image, interval shooting mode, in-camera film editing, in-camera RAW processing, peripheral illumination correction, horizon correction, NR Slow Shutter, High ISO NR, Lens Distortion Correction, primary colour filter, Automatic composition correction function, colour moire correction, Lateral Chromatic Aberration Correction, diffraction correction, Pixel Shift Resolution technology, colour fringe correction, multiple exposure capture, GPS stamp, D-range correction | Built-in speaker, built-in LED illuminator, Chromatic Aberration Compensation (CAC), Time-Lapse recording, Clear Image Zoom, distortion correction function, slow motion recording, auto-framing, anti-flicker, S-Log3 gamma setting, 4:2:2 10-bit internal rercording, Lens Shading Correction, Picture Profile Preset, webcam function, focus breathing compensation, USB streaming, proxy recording, AI-powered, quick motion |
| OTHERS | Pentax K-3 Mark III | Sony Alpha6700 ILCE-6700 |
|---|
| Included Accessories | Eyepiece cover, carrying strap, battery charger, body cap, USB cable, eyecup, shoe cap, sync terminal cover | Eyepiece cover, body cap, shoulder strap, hot shoe cap |
|---|---|---|
| Software | Digital Camera Utility 5 | - |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | 0 °C |
| Service & Support | Limited warranty - 1 year | - |
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