• 1 inch 116.2mm2
  • 20.2 megapixels
  • 24.00mm - 100.00mm (35mm eq.)
  • 35mm 858.0mm2
  • 33.0 megapixels
  • ISO 100 - 51,200
  • Detailed specifications
  • Canon PowerShot G7 X
  • Sony Alpha ILCE-A7 IV
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Sony A7 III
A7 III vs A7 IV
Successor: Canon G7X Mark II
G7X vs G7X Mark II
 
General
Model Number: G7X A7 IV
Alternate Model Number(s):   ILCE-7M4
Camera Format: Compact Compact System Camera
Currently Manufactured: No Yes
Retail Price: $699.99 $2500.00
Street Price: $1,239.00 $2,231.33
Date Available: 2014-10-15 2021-12-31
Tripod Mount: Yes Yes
Weight: 10.7 oz (302 g)
includes batteries
23.2 oz (658 g)
includes batteries
Size: 4.1 x 2.4 x 1.6 in.
(103 x 60 x 40 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: CMOS CMOS
Sensor Manufacturer:   Sony
Effective Megapixels: 20.2 33.0
Sensor Format: 1 inch 35mm
Sensor size: 116.16mm2 (13.20mm x 8.80mm) 858.01mm2 (35.90mm x 23.90mm)
Approximate Pixel Pitch: 2.41 microns 5.12 microns
Focal Length Multiplier: 2.7x 1.0x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed None
Self-Cleaning: No Yes
Sensor shift image stabilization: No Yes
On-Sensor Phase Detect: No No
DxO Sensor Score: 71  
DxO Color Depth Score (bits): 23.0  
DxO Dynamic Range Score (evs): 12.7  
DxO Maximum Effective ISO Score (iso): 556  
Image Capture
Image Resolution: 5472 x 3648 (20.0 MP, 3:2),
4320 x 2880 (12.4 MP, 3:2),
2304 x 1536 (3.5 MP, 3:2),
720 x 480 (0.3 MP, 3:2),
5472 x 3080 (16.9 MP, 16:9),
4320 x 2432 (10.5 MP, 16:9),
1920 x 1080 (2.1 MP, 16:9),
720 x 408 (0.3 MP, Other),
4864 x 3648 (17.7 MP, 4:3),
3840 x 2880 (11.1 MP, 4:3),
2048 x 1536 (3.1 MP, 4:3),
640 x 480 (0.3 MP, 4:3),
3648 x 3648 (13.3 MP, 1:1),
2880 x 2880 (8.3 MP, 1:1),
1536 x 1536 (2.4 MP, 1:1),
480 x 480 (0.2 MP, 1:1),
2912 x 3648 (10.6 MP, Other),
2304 x 2880 (6.6 MP, Other),
1232 x 1536 (1.9 MP, Other),
384 x 480 (0.2 MP, Other)
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), 12-bit RAW (.CR2), RAW+JPEG JPEG (8-bit), HEIF (10-bit), RAW (14-bit ARW 2.3), RAW+JPEG, RAW+HEIF
Continuous-mode frames/second: 6.6 10.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60p/​30p)
1280x720 (30p)
640x480 (30p)
1920x1080 (30p/​15p)
1280x720 (6p/​3p/​1.5p)
640x480 (6p/​3p/​1.5p)
3840x2160 (60p/​50p/​30p/​25p/​24p)
1920x1080 (120p/​60p/​50p/​30p/​25p/​24p)
Movie File Format: MP4 (Image: MPEG-4 AVC/H.264; Audio: MPEG-4 AAC-LC (Stereo)) 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: Yes n/a
Video Usable as Viewfinder: n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: n/a Sony E
Lens: Canon Zoom Lens Sony FE 28-70mm f/3.5-5.6 OSS SEL2870
Focal Length (35mm equivalent): 24 - 100mm 28 - 70mm
Focal Length (actual): 8.8 - 36.8mm 28 - 70mm
Zoom Ratio: 4.20x 2.50x
Aperture Range: f/1.8 (W) / f2.8 (T) - f/11, with 9-blade aperture; built-in 3-stop ND filter f/3.5-22 (W) / f/5.6-36 (T)
Integrated ND Filter: Yes No
Normal Focus Range: 5 cm to Infinity
2.0 in to Infinity
40 cm to Infinity
15.7 in to Infinity
Macro Focus Range: 5 - 50 cm
2.0 - 19.7 in
 
Filter Thread: n/a 55.0mm
Thread Type: n/a n/a
Optical Image Stabilization: Yes No
Digital Zoom: Yes Yes
Digital Zoom Values: Up to 4x Up to 4x; 2x Clear Image Digital Zoom
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detect AF with Face Detection; 31-point AiAF, 1-point (center for face select and track) 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: No / LCD EVF / LCD
Viewfinder Type:   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: n/a 3,686,400 dots (1,228,800 pixels)
Viewfinder Magnification (35mm equivalent):    
Viewfinder Magnification (nominal/claimed):    
Display
Eye-level Viewfinder: No Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 1,040,000 dots (345,600 px) 3,680,000 dots
Touchscreen: Yes Yes
Articulating Screen: Yes Yes
Tilt Swivel Screen: No Yes
Selfie Screen: Yes Yes
Max Playback Zoom:   13.3x
Top Deck Display: No No
Exposure
Maximum ISO (native): 12800 51200
Minimum ISO (native): 125 100
ISO Settings: Auto, ISO 125-12800 in 1/3 EV steps Auto, 100 - 51200, expandable to 50 - 204800
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Cloudy, Tungsten, Fluorescent, Fluorescent H, Flash, Underwater, Custom 1, Custom 2, Multi-area White Balance, White Balance Correction (Underwater mode), White Balance Correction 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: 1/2000 - 250 sec 1/8000 - 30 sec
Bulb Mode: No Yes
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: Evaluative, Center-weighted average, Spot (linked to AF frame), Face Detect AE 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: Scene Modes: Portrait, Smart Shutter, Star, Handheld Night Scene, Underwater, Snow, Fireworks; Filters: High Dynamic Range, Nostalgic, Fisheye Effect, Miniature Effect, Toy Camera Effect, Background Defocus, Soft Focus, Monochrome, Super Vivid, Poster Effect; Star Portrait, Star Nightscape, Star Trails, Star Time-Lapse Movie 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: 1 - 30 seconds 2, 5, 10; 3/5 shots after 2/5/10 seconds
Time Lapse (intervalometer): No  
High Resolution Composite: No No
Flash
Built-in Flash: Yes No
Flash Modes: Auto, Flash On, Slow Synchro, Flash Off 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: Auto ISO: 1.6 ft. (50 cm) - 23 ft. (7.0 m) (W), 1.3 ft. (40 cm) - 13 ft. (4.0 m) (T) n/a
Max Flash Sync: 1/2000 1/250
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: n/a 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: 12-bit RAW (.CR2), RAW+JPEG RAW (14-bit ARW 2.3), RAW+JPEG, RAW+HEIF
Movie File Format: MP4 (Image: MPEG-4 AVC/H.264; Audio: MPEG-4 AAC-LC (Stereo)) 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: No 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: Via Wi-Fi Yes, via USB or Wi-Fi
Connections (extended): Micro HDMI (Type D) 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): 0.90  
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): 1.25  
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 6.6 10.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 14 828
RAW shooting speed in burst mode (fps): 1.2  
Buffer size for RAW shooting in burst mode (frames): 4  
RAW+JPEG shooting speed in burst mode (fps): 1.0  
Buffer Size for RAW+JPEG shooting in burst mode (frames): 2  
Shutter lag (full AF, wide/mid): 0.20 seconds  
Shutter lag (full AF, tele): 0.18 seconds  
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.219 seconds  
Shutter lag (full AF, with flash): 0.89 seconds  
Shutter Lag (prefocused): 0.097 seconds  
Shutter Lag (notes):    
Startup Time: 1.7 seconds  
Play -> Record Time: 1.4 seconds  
Flash cycle time, full power: 6.2 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 210 shots  
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video: 40 minutes  
Battery Form Factor: Proprietary NB-13L Proprietary
Usable Battery Types: Lithium-ion rechargeable NP-FZ100 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NB-13L 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:   Capture One Express (for Sony) free download
OS Compatibility:   Windows, Mac OS X
Miscellaneous
Notes & Features: 1"-type 20.2MP sensor, f/1.8-2.8 4.2x zoom lens, DIGIC 6 image processor, 1040K-dot tilting touchscreen, 1080p60 videos, built-in Wi-Fi.