| Links | ||
|---|---|---|
| Prices: | Compare Prices | Compare Prices |
| Manufacturer URL: | Manufacturer website | Manufacturer website |
| Predecessor: |
Panasonic GX7
GX7 vs GX8 |
Sony A7 III
A7 III vs A7 IV |
| Successor: |
Panasonic GX9
GX8 vs GX9 |
|
| General | ||
| Model Number: | GX8 | A7 IV |
| Alternate Model Number(s): | ILCE-7M4 | |
| Camera Format: | Compact System Camera | Compact System Camera |
| Currently Manufactured: | Yes | Yes |
| Retail Price: | $1199.99 | $2500.00 |
| Street Price: | $997.99 | $2,298.00 |
| Date Available: | 2015-08-15 | 2021-12-31 |
| Tripod Mount: | Yes | Yes |
| Weight: |
17.2 oz
(487 g)
includes batteries |
23.2 oz
(658 g)
includes batteries |
| Size: |
5.2 x
3.1 x
2.5 in. (133 x 78 x 63 mm) |
5.2 x
3.8 x
3.1 in. (131 x 96 x 80 mm) |
| Waterproof: | No | No |
| Waterproof Depth: | n/a | n/a |
| Image Sensor | ||
| Sensor Type: | Live MOS | CMOS |
| Sensor Manufacturer: | Panasonic | Sony |
| Effective Megapixels: | 20.3 | 33.0 |
| Sensor Format: | 4/3 | 35mm |
| Sensor size: | 224.9mm2 (17.30mm x 13.00mm) | 858.01mm2 (35.90mm x 23.90mm) |
| Approximate Pixel Pitch: | 3.34 microns | 5.12 microns |
| Focal Length Multiplier: | 2.0x | 1.0x |
| Aspect Ratio: | 4:3 | 3:2 |
| Color Filter Type: | RGBG | RGBG |
| Anti Aliasing Filter: | Fixed | None |
| Self-Cleaning: | Yes | Yes |
| Sensor shift image stabilization: | Yes | Yes |
| On-Sensor Phase Detect: | No | No |
| DxO Sensor Score: | 75 | |
| DxO Color Depth Score (bits): | 23.5 | |
| DxO Dynamic Range Score (evs): | 12.6 | |
| DxO Maximum Effective ISO Score (iso): | 806 | |
| Image Capture | ||
| Image Resolution: |
5184 x 3888
(20.2 MP,
4:3), 3712 x 2784 (10.3 MP, 4:3), 2624 x 1968 (5.2 MP, 4:3), 1824 x 1368 (2.5 MP, 4:3), 5184 x 3456 (17.9 MP, 3:2), 3712 x 2480 (9.2 MP, 3:2), 2624 x 1752 (4.6 MP, 3:2), 1824 x 1216 (2.2 MP, 3:2), 5184 x 2920 (15.1 MP, 16:9), 3840 x 2160 (8.3 MP, 16:9), 1920 x 1080 (2.1 MP, 16:9), 1824 x 1024 (1.9 MP, 16:9), 3888 x 3888 (15.1 MP, 1:1), 2784 x 2784 (7.8 MP, 1:1), 1968 x 1968 (3.9 MP, 1:1), 1712 x 1712 (2.9 MP, 1:1) |
7008 x 4672
(32.7 MP,
3:2), 4608 x 3072 (14.2 MP, 3:2), 3504 x 2336 (8.2 MP, 3:2), 7008 x 3944 (27.6 MP, 16:9), 4608 x 2592 (11.9 MP, 16:9), 3504 x 1968 (6.9 MP, 16:9), 6224 x 4672 (29.1 MP, 4:3), 4096 x 3072 (12.6 MP, 4:3), 3120 x 2336 (7.3 MP, Other), 4672 x 4672 (21.8 MP, 1:1), 3072 x 3072 (9.4 MP, 1:1), 2336 x 2336 (5.5 MP, 1:1) |
| Image File Format: | JPEG (EXIF 2.3), MPO, RAW, RAW + JPEG | JPEG (8-bit), HEIF (10-bit), RAW (14-bit ARW 2.3), RAW+JPEG, RAW+HEIF |
| Continuous-mode frames/second: | 8.3 | 10.0 |
| Video Capture | ||
| Can take movies: | Yes | Yes |
| Movie Resolution: |
3840x2160 (30p/24p)
1920x1080 (60p/60i/30p/24p) 1280x720 (30p) 640x480 (30p) |
3840x2160 (60p/50p/30p/25p/24p)
1920x1080 (120p/60p/50p/30p/25p/24p) |
| Movie File Format: | AVCHD (Audio format: Dolby Digital 2ch) / MP4 (Audio format AAC 2ch) | XAVC S (Long GOP, H.264 MP4); XAVC HS (Long GOP, H.265 HEVC); XAVC S-I (All-Intra, H.264 MP4) |
| Composite Video Out: | Yes | No |
| NTSC/PAL Switchable Video: | No | n/a |
| Video Usable as Viewfinder: | Yes | n/a |
| HD Video Out: | Yes | Yes |
| HD Video Connection: | HDMI | HDMI |
| Lens & Optics | ||
| Lens Mount: | Micro Four Thirds | Sony E |
| Lens: | n/a | Sony FE 28-70mm f/3.5-5.6 OSS SEL2870 |
| Focal Length (35mm equivalent): | 28 - 70mm | |
| Focal Length (actual): | 28 - 70mm | |
| Zoom Ratio: | 2.50x | |
| Aperture Range: | f/3.5-22 (W) / f/5.6-36 (T) | |
| Integrated ND Filter: | No | No |
| Normal Focus Range: |
40 cm to Infinity 15.7 in to Infinity |
|
| Macro Focus Range: | ||
| Filter Thread: | n/a | 55.0mm |
| Thread Type: | n/a | n/a |
| Optical Image Stabilization: | No | No |
| Digital Zoom: | Yes | Yes |
| Digital Zoom Values: | 2x, 4x | Up to 4x; 2x Clear Image Digital Zoom |
| Auto Focus | ||
| Auto Focus: | Yes | Yes |
| Auto Focus Type: | Contrast Detection with DFD: Face/Eye detection, Tracking, 49-area, Custom Multi, 1-area, Pinpoint; One Shot AF, Shutter AF, Half Press Release, Quick AF, Continuous AF (during motion picture recording), Eye Sensor AF, AF+MF, MF Assist, Touch MF Assist, Focus Peaking, Touch AF/AE Function, Touch Pad AF, Touch Shutter | Fast Hybrid 4D AF: 759 points (PDAF), 425 points (contrast-detection AF); Wide (759 points (PDAF), 425 points (CDAF))/Zone/Center/Flexible Spot (S/M/L)/Expanded Flexible Spot/Tracking (Wide/Zone/Center/Flexible Spot (S/M/L)/Expanded Flexible Spot); Touch AF |
| Auto Focus Assist Light? | Yes | Yes |
| Manual Focus: | Yes | Yes |
| Viewfinder | ||
| Viewfinder: | EVF / OLED | EVF / LCD |
| Viewfinder Type: | Tilting 2360K-dot OLED, 1.54x / 0.77x (35mm eq.) magnification, 21mm eyepoint, -4 to +3 diopter, eye sensor | EVF: 1.3 cm (0.5 type) 3.68M-dot UXGA color OLED, 100% coverage, 0.78x magnification, -4.0 to +3.0 diopter, 23mm eyepoint from the eyepiece lens |
| Focus Peaking: | Yes | Yes |
| EVF Resolution: | 2,360,000 dots | 3,686,400 dots (1,228,800 pixels) |
| Viewfinder Magnification (35mm equivalent): | 0.77x | |
| Viewfinder Magnification (nominal/claimed): | 1.54x | |
| Display | ||
| Eye-level Viewfinder: | Yes | Yes |
| Rear Display: | Yes | Yes |
| Rear Display Size (inches): | 3.0 | 3.0 |
| Rear Display Resolution: | 1,036,800 dots (345,600 px) | 3,680,000 dots |
| Touchscreen: | Yes | Yes |
| Articulating Screen: | Yes | Yes |
| Tilt Swivel Screen: | Yes | Yes |
| Selfie Screen: | Yes | Yes |
| Max Playback Zoom: | 16.0x | 13.3x |
| Top Deck Display: | No | No |
| Exposure | ||
| Maximum ISO (native): | 25600 | 51200 |
| Minimum ISO (native): | 200 | 100 |
| ISO Settings: | Auto, iISO, 100 (extended), 200 - 25600; in 1 or 1/3 EV steps | Auto, 100 - 51200, expandable to 50 - 204800 |
| Auto ISO Mode: | Yes | Yes |
| White Balance Settings: | Auto, Daylight, Cloudy, Shade, Incandescent, Flash, White Set 1-4, Color Temperature Setting (2,500-10,000K in 100K steps) | Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent (4 settings), Flash, Custom, Color Temp./ Filter (2500-9900K with 57-step Magenta/Green and 29-step Amber/Blue compensation), Underwater |
| Shutter Speed Range: | 1/16000 - 60 sec | 1/8000 - 30 sec |
| Bulb Mode: | Yes | Yes |
| Exposure Compensation: | +/- 5.0EV in 0.3EV steps | +/- 5.0EV in 0.3EV steps |
| Metering Modes: | 1728-zone Intelligent Multiple, Center-weighted, Spot | 1200-zone Evaluative Multi-segment, Center-weighted, Spot (Standard/Large), Entire Screen Avg., Highlight |
| Program Auto Exposure: | Yes | Yes |
| Aperture Priority: | Yes | Yes |
| Shutter Priority: | Yes | Yes |
| Full Manual Exposure: | Yes | Yes |
| Creative Exposure Modes: | Panorama (Standard/Wide); Creative Control: Expressive, Retro, Old Days, High Key, Low Key, Sepia, Monochrome, Dynamic Monochrome, Rough Monochrome, Silky Monochrome, Impressive Art, High Dynamic, Cross Process, Toy Effect, Toy Pop, Bleach Bypass, Miniature Effect, Soft Focus, Fantasy, Star Filter, One Point Color, Sunshine | 3 Custom Settings; Creative Look; Slow & Quick Motion; HDR: Auto Exposure Difference, Exposure difference Level (1-6 EV at 1.0 EV step) |
| Self Timer: | 2, 10, 3 shots in 10 seconds | 2, 5, 10; 3/5 shots after 2/5/10 seconds |
| Time Lapse (intervalometer): | Yes | |
| High Resolution Composite: | No | No |
| Flash | ||
| Built-in Flash: | No | No |
| Flash Modes: | Auto, Auto/Red-eye Reduction, Forced On, Forced On/Red-eye Reduction, Slow Sync., Slow Sync./Red-eye Reduction, Forced Off; 1st. Curtain Sync, 2nd Curtain Sync. | Auto, Fill Flash, Hi-Speed Sync, Off, Rear Sync, Red-Eye Reduction, Slow Sync |
| Flash Guide Number (ISO 100): | n/a | n/a |
| Flash Range Description: | n/a | n/a |
| Max Flash Sync: | 1/250 | 1/250 |
| Flash Exposure Compensation: | +/- 3.0 EV in 0.3EV steps | +/- 3.0 EV in 0.3EV steps |
| External Flash Connection: | Hot Shoe | Enhanced Multi Interface Hot Shoe, Sync Terminal |
| Built-In Wireless Flash Control: | No | No |
| Image Storage | ||
| Usable Memory Types: | SD / SDHC / SDXC | MS PRO Duo / SD / SDHC / SDXC / CFexpress |
| UHS Support: | UHS-I | UHS-I |
| Other Memory: | 2x:CFexpress Type A, SD UHS-II | |
| Dual Card Slots: | No | Yes |
| RAW Capture Support: | Yes | Yes |
| Uncompressed Format: | RAW, RAW + JPEG | RAW (14-bit ARW 2.3), RAW+JPEG, RAW+HEIF |
| Movie File Format: | AVCHD (Audio format: Dolby Digital 2ch) / MP4 (Audio format AAC 2ch) | XAVC S (Long GOP, H.264 MP4); XAVC HS (Long GOP, H.265 HEVC); XAVC S-I (All-Intra, H.264 MP4) |
| Included Memory: | No memory included | No memory included |
| Included Memory Type: | ||
| Connectivity | ||
| Built-In Wi-Fi: | Yes | Yes |
| NFC: | Yes | Yes |
| Bluetooth: | No | Yes |
| Built-In GPS: | No | No |
| Microphone Jack: | Yes | Yes |
| Headphone Jack: | No | Yes |
| External Connections: | USB 2.0 High Speed,WiFi | USB 2.0 High Speed,USB 3.0 Super Speed,Bluetooth,WiFi |
| PictBridge Compliant: | Yes | No |
| DPOF Compliant: | Yes | Yes |
| Remote Control: | Yes | Yes |
| Remote Control Type: | Wi-Fi or optional wired | Yes, via USB or Wi-Fi |
| Connections (extended): | Micro HDMI (Type-D), 2.5mm Wired Remote/External Mic Jack | USB-C (USB 3.2 Gen2, 10Gbps), Multi-Terminal Micro USB (with remote support), Type-A HDMI, 3.5mm Microphone and Headphone jacks |
| Performance Timing | ||
| Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): | <0.3 | |
| Cycle time for RAW shooting in single shot mode (seconds per frame): | ||
| Buffer size for RAW shooting in single shot mode (frames): | ||
| Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): | <0.3 | |
| Camera penalizes early shutter press? | Yes | |
| JPEG shooting speed in burst mode (fps, max resolution): | 8.3 | 10.0 |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | Unlimited | 828 |
| RAW shooting speed in burst mode (fps): | 7.9 | |
| Buffer size for RAW shooting in burst mode (frames): | 36 | |
| RAW+JPEG shooting speed in burst mode (fps): | 7.9 | |
| Buffer Size for RAW+JPEG shooting in burst mode (frames): | 32 | |
| Shutter lag (full AF, wide/mid): | 0.18 seconds | |
| Shutter lag (full AF, tele): | ||
| Shutter lag (full AF, live view - DSLR): | ||
| Shutter lag (prefocused, live view - DSLR): | ||
| Shutter Lag (manual focus): | 0.065 seconds | |
| Shutter lag (full AF, with flash): | ||
| Shutter Lag (prefocused): | 0.058 seconds | |
| Shutter Lag (notes): | ||
| Startup Time: | 1.2 seconds | |
| Play -> Record Time: | 0.6 seconds | |
| Flash cycle time, full power: | ||
| Power | ||
| Battery Life, Stills (CIPA Rating Monitor/Live View): | 340 shots | |
| Battery Life, Still (CIPA Rating OVF/EVF): | 320 shots | |
| Battery Life, Video: | ||
| Battery Form Factor: | Proprietary | Proprietary |
| Usable Battery Types: | 7.2v, 1200mAh Lithium-ion rechargeable | NP-FZ100 Lithium-ion rechargeable |
| Batteries Included: | 1 x Proprietary Lithium-ion rechargeable | 1 x Proprietary NP-FZ100 Lithium-ion rechargeable |
| Battery Charger Included (dedicated charger or AC/USB adapter): | Yes | Yes |
| Dedicated Battery Charger Included: | Yes | Yes |
| Internal Charging Supported: | No | Yes |
| Software | ||
| Included Software: | PHOTOfunSTUDIO 9.7 PE, SILKYPIX Developer Studio 4.3 SE, LoiloScope (trial version) | Capture One Express (for Sony) free download |
| OS Compatibility: | PHOTOfunSTUDIO and LoiloScope: Windows Vista/7/8/8.1; SILKYPIX: Windows Vista/7/8/8.1, Mac OS X 10.5-10.10 | Windows, Mac OS X |
| Miscellaneous | ||
| Notes & Features: | New 20.3MP Live MOS sensor, upgraded quad-core CPU Venus Engine image processor, Dual IS uses both IBIS and OIS, 4K 30p/24p video and stills capture, 8fps full-res burst shooting (10fps with electronic shutter), Depth From Defocus AF, tilting high-res 0.77x EVF, tilt/swivel touchscreen OLED monitor, built-in Wi-Fi with NFC, magnesium alloy die cast frame | |
