In depth comparison and review of Pentax Q7 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 | Pentax Q7 | Sony Alpha7R IV ILCE-7RM4 |
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Product Type | Digital camera - 1080p - mirrorless system | Digital camera - 4K - mirrorless system |
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Lens Included | Body only | Body only |
Height | 5.8 cm | 9.64 cm |
Width | 10.2 cm | 12.89 cm |
Depth | 3.35 cm | 7.75 cm |
Weight | 180 g | 665 g |
Weight Details | - | Camera body only: Camera with battery and memory card: 665 g |
Body Material | Reinforced polycarbonate plastic | - |
Enclosure Colour | Black | Silver | Yellow | Black |
SENSOR | Pentax Q7 | Sony Alpha7R IV ILCE-7RM4 |
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Sensor Resolution | 12.4 Megapixel | 61 Megapixel |
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Optical Sensor Type | BSI-CMOS | Exmor R CMOS |
Total Pixels | 12,760,000 pixels | 62,500,000 pixels |
Effective Sensor Resolution | 12,400,000 pixels | 61,000,000 pixels |
Optical Sensor Size | 1/1.7" | 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) | Dust Reduction (image sensor vibration), Anti-Dust coating |
Image Stabiliser | Optical (image sensor shift mechanism) | Optical (5-axis Steady Shot) |
Built-in Optical Image Stabiliser | Yes | Yes |
Sensors | Digital level metre | Digital level metre |
PROCESSOR | Pentax Q7 | Sony Alpha7R IV ILCE-7RM4 |
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Image Processor | - | BIONZ X |
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LENS | Pentax Q7 | Sony Alpha7R IV ILCE-7RM4 |
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Lens Mounting Type | Pentax Q-mount | Sony E-mount |
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FOCUSING | Pentax Q7 | Sony Alpha7R IV ILCE-7RM4 |
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Auto Focus | TTL contrast detection | TTL contrast and phase detection |
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Auto Focus Points (Zones) Qty | 25 | 567 |
Auto Focus Features | Focus Peaking function, Manual Focus Check Live View | Predictive Focus Control, Focus Priority in Aperture Drive |
AE/AF Control | Face-priority AF, Subject-tracking AF | Zone AF, Real-time Eye AF, Real-time Tracking AF |
Face Detection | Yes | Eye Detect AF, face-priority AF function |
VIEWFINDER | Pentax Q7 | Sony Alpha7R IV ILCE-7RM4 |
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Viewfinder Type | - | Electronic - OLED |
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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 |
Features | - | Viewfinder brightness control, colour temperature control |
EXPOSURE & WHITE BALANCE | Pentax Q7 | Sony Alpha7R IV ILCE-7RM4 |
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ISO (Max) | 12800 | 32000 |
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Native ISO | 100-12800 | 100-32000 |
Extended ISO (Max) | - | 102400 |
Extended ISO (Min) | - | 50 |
Light Sensitivity | ISO auto (100-12800), ISO 100-12800 | 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 | - | 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, museum, surf & snow, PET, Blue Sky, food, multiple exposure, night scene, sunset, candle, night snapshot, night scene with portrait, kids, Stage, night scene HDR, moving object, quick macro, backlight silhouette, Dynamic Range (HDR) | - |
Special Effects | Slim, Colour, fisheye, natural, bright, Vibrant, monochrome, Muted, landscape, portrait, Water Colour, Cross Process, HDR, Colour Extract, Toy camera, High contrast, Colour Invert, Bleach Bypass, Posterisation, Radiant, Reversal Film, Shading | 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 | Cloudy, tungsten light, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (warm white), Color Temperature Enhancement (CTE), fluorescent light (daylight colour), fluorescent light (daylight white) | 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 | Electronic, mechanical electronically-controlled |
Max Shutter Speed | 1/8000 sec | 1/8000 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 | 3, 5, 9 steps in 1/3, 1/2, 2/3, 1, 2 or 3 EV steps |
White Balance Bracketing | - | Yes |
X-sync Speed | 1/2000 sec | 1/250sec |
Exposure Range | EV 1-17 (ISO 100) | EV -3-20 (ISO 100) |
DISPLAY | Pentax Q7 | Sony Alpha7R IV ILCE-7RM4 |
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Type | 3" LCD display | 3" LCD display |
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Touch Screen | - | Yes |
Display Format | 460,000 pixels | 1,440,000 pixels |
Display Form Factor | Built-in | Folding |
Display Features | Display brightness control, display colour control | Display brightness control, Peaking AF display, Touch AF |
FLASH | Pentax Q7 | Sony Alpha7R IV ILCE-7RM4 |
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Camera Flash | Pop-up flash | - |
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Guide Number (m / ISO 100) | 4.9 | - |
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 | - |
VIDEOGRAPHY / CAMCORDER | Pentax Q7 | Sony Alpha7R IV ILCE-7RM4 |
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Digital Video Format | H.264, MOV | AVCHD, XAVC S |
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Image Recording Format | JPEG, DNG (RAW) + JPEG, DNG (RAW) | JPEG, RAW, RAW + JPEG |
Max Video Resolution | 1920 x 1080 | 3840 x 2160 |
Audio Signal Format | - | Dolby Digital AC-3 (2 channel), Linear PCM |
Microphone Operation Mode | Mono | Stereo |
MEMORY | Pentax Q7 | Sony Alpha7R IV ILCE-7RM4 |
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Memory Card Slot | SD card | Dual SD card |
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Supported Memory Cards | SD Memory Card, SDXC Memory Card, SDHC 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 |
Image Storage | DNG (RAW) 4000 x 3000 JPEG 4000 x 3000 JPEG 4000 x 2664 JPEG 4000 x 2248 JPEG 3072 x 2304 JPEG 3072 x 2048 JPEG 3072 x 1728 JPEG 1920 x 1440 JPEG 1920 x 1280 JPEG 1920 x 1080 JPEG 2992 x 2992 JPEG 2304 x 2304 JPEG 1440 x 1440 |
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 - 1920 x 1080 - 30 fps H.264 - 1920 x 1080 - 25 fps H.264 - 1920 x 1080 - 24 fps H.264 - 1280 x 720 - 30 fps H.264 - 1280 x 720 - 25 fps H.264 - 1280 x 720 - 24 fps H.264 - 640 x 480 - 30 fps H.264 - 640 x 480 - 25 fps H.264 - 640 x 480 - 24 fps |
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 | Pentax Q7 | Sony Alpha7R IV ILCE-7RM4 |
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Battery Type | Pentax D-LI68 Lithium Ion | Sony NP-FZ100 Lithium Ion |
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Details | Pentax D-LI68 Li-ion rechargeable battery (included) | Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included) |
Battery Life | Photo shooting - 240 shots Photo shooting - 250 shots (50% flash usage) Photo shooting - 260 shots (flash off) Playback - 2.7 hours |
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 | Pentax Q7 | Sony Alpha7R IV ILCE-7RM4 |
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Interface | Composite video/audio, HDMI, USB 2.0 | HDMI, USB 2.0, USB-C, NFC (Near Field Communication), IEEE 802.11a/b/g/n/ac, Bluetooth 4.1 |
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Connectivity Features | - | Remote control via mobile devices, remote live view, PC Remote functions via Wi-Fi |
Print Standard | Exif Print support | DPOF support, Exif Print support, PRINT Image Matching |
Flash Terminal | Hot shoe | Hot shoe, PC terminal |
Connector Type | USB 2.0 Composite video/audio output 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 | Pentax Q7 | Sony Alpha7R IV ILCE-7RM4 |
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Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec, 5 sec |
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Continuous Shooting Speed | 1.5 frames per second, 5 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 | Audio recording, RGB primary colour filter, digital image rotation, histogram display, AE lock, AF lock, in-camera red-eye removal, cropping an image, resizing an image, shadow point display, interval shooting mode, highlight point display, in-camera film editing, face detection, in-camera RAW processing, Scene Auto Selector, HDR image enhancement technology, Shade Correction, Eye-Fi Card Ready, distortion control, 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 | Pentax Q7 | Sony Alpha7R IV ILCE-7RM4 |
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Included Accessories | Carrying strap, battery charger, body cap, USB cable, shoe cap | Eyepiece cover, battery charger, body cap, shoulder strap, shoe cap, cable protector, USB-C cable |
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Software | Drivers & Utilities, SILKYPIX Developer Studio 3.0 LE | - |
Max Operating Temperature | 40 °C | 40 °C |
Min Operating Temperature | 0 °C | 0 °C |
Service & Support | - | Limited warranty - parts and labour - 1 year |