Sony A7 IV vs a6700
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Sony a6700 vs Sony A7 IV - Which one to choose and why?
Why choose the Sony A7 IV?
More megapixels
32.7Mp vs. 26Mp
Larger sensor size
Full Frame vs. APS-C
Higher ISO sensitivity
51 200 vs. 32 000
More cards available
2 vs. 1
Higher max speed (mech.)
1/8 000s vs. 1/4 000s
Higher max. speed (electr.)
1/8 000s vs. 1/4 000s
Larger buffer
1000 images vs. 59 images
Better viewfinder resolution
3.69 M-dot vs. 2.36 M-dot
More sensitive low-light sensor
-4 EV vs. -3 EV
Why choose the Sony a6700?
Newer camera
July 2023 vs. October 2021
Cheaper body
1 598$ / 1189£ / 1 399€ vs. 2 498$ / 1699£ / 1 999€
Camera 165g lighter
1.09 lb / 493 g vs. 1.45 lb / 658 g
More compact
122×69×75 mm vs. 131×96×80 mm
37% smaller body
38.51 in3 / 631 cm3 vs. 61.39 in3 / 1 006 cm3
6% longer battery life
550 images vs. 520 images
Better burst (mech.)
11 fps vs. 10 fps
Better burst (electr.)
11 fps vs. 10 fps
Higher max video resolution
4K UHD 120 fps vs. 4K UHD 60 fps
Technical specifications - Sony A7 IV vs Sony a6700
General
| Sony A7 IV | Sony a6700 | ||
Release Date | October 2021 | VS | July 2023 |
Mount | FE | VS | E |
Definition | 32.7 Mp | VS | 26.0 Mp |
Sensor Size | Full Frame | VS | APS-C |
Image Stabilization | Yes | VS | Yes |
ISO Sensitivity | 100 - 51 200 | VS | 100 - 32 000 |
Extended ISO | 50 - 204 800 | VS | 50 - 102 400 |
Card Slots | 2 | VS | 1 |
Card Type | 1 x SD (UHS-II) 1 x CF Express Type A | VS | 1 x SD (UHS-II) |
Processor | BIONZ XR | VS | BIONZ XR |
Recommended Price | 2 498$ / 1699£ / 1 999€ | VS | 1 598$ / 1189£ / 1 399€ |
Viewfinder Features
| Sony A7 IV | Sony a6700 | ||
Resolution | 3.69 M-dot | VS | 2.36 M-dot |
Magnification | 0.78x | VS | 1.07x |
Autofocus Features
| Sony A7 IV | Sony a6700 | ||
Sensibilidad AF | -4 / 20 EV | VS | -3 / 20 EV |
Number of Focus Points | 759 | VS | 759 |
Video
| Sony A7 IV | Sony a6700 | ||
Maximum Resolution | 4K UHD 60 i/s 1080p 120 i/s | VS | 4K UHD 120 i/s 1080p 120 i/s |
Recording Format | VS | ||
Recording Time Limit | 30 min | VS | - |
DxO Score
| Sony A7 IV | Sony a6700 | ||
General | 97 | VS | - |
Portrait | 25.4 | VS | - |
Landscape | 14.7 | VS | - |
Sports | 3 379 | VS | - |
Physical Characteristics
| Sony A7 IV | Sony a6700 | ||
Weather-Sealed | Yes | VS | Yes |
Battery Type | NP-FZ100 | VS | NP-FZ100 |
Weight | 1.45 lb / 658 g | VS | 1.09 lb / 493 g |
Dimensions (W×H×D)
| 5.2 × 3.8 × 3.1" 131 × 96 × 80 mm | VS | 4.8 × 2.7 × 3" 122 × 69 × 75 mm |
Volume | 61.39 in3 / 1 006 cm3 | VS | 38.51 in3 / 631 cm3 |
Viewfinder Battery Life
| 520 images | VS | 550 images |
LCD Battery Life | 580 images | VS | 570 images |
Built-in Flash
| No | VS | No |
Maximum Flash Sync Speed | 1/250s | VS | 1/160s |
Min. Shutter Speed | 30s | VS | 30s |
Max. Shutter Speed (Mechanical) | 1/8 000s | VS | 1/4 000s |
Max. Shutter Speed (Electronic) | 1/8 000s | VS | 1/4 000s |
Max. Burst Rate (Mechanical) | 10 fps | VS | 11 fps |
Max. Burst Rate (Electronic) | 10 fps | VS | 11 fps |
RAW Buffer | 1 000 images | VS | 59 images |
Screen Features
| Sony A7 IV | Sony a6700 | ||
Type | Fully-articulating | VS | Fully-articulating |
Resolution | 1.04 M-dot | VS | 1.04 M-dot |
Diagonal | 2.95" / 7.5 cm | VS | 2.95" / 7.5 cm |
Touchscreen | Yes | VS | Yes |
Optional Features
| Sony A7 IV | Sony a6700 | ||
Wi-Fi / Bluetooth | Yes / Yes | VS | Yes / Yes |
Headphone Jack | Yes | VS | Yes |
USB Version | USB-C 3.2 | VS | USB-C |
GPS | No | VS | No |
Time Lapse | Yes | VS | Yes |
Recommended lenses
Check recommended lenses for these cameras
Suggested Accessories
For Sony A7 IV
For Sony a6700
Others VS to check
Sony A7 IV
Detailed comparison by Sylvain PONS
As a photography enthusiast, I've spent a lot of time exploring, comparing and analysing these cameras' features to help you make the right choice!
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Sources: Sony A7 IV, Sony a6700


Release Date
Mount
Definition
Sensor Size
Image Stabilization
ISO Sensitivity
Card Slots
Processor
Recommended Price
Magnification
Sensibilidad AF
Number of Focus Points
Maximum Resolution
Recording Format
Recording Time Limit
General
Portrait
Landscape
Sports
Weather-Sealed
Battery Type
Weight
Dimensions (W×H×D)
Volume
Viewfinder Battery Life
Built-in Flash
Maximum Flash Sync Speed
Min. Shutter Speed
Max. Burst Rate (Mechanical)
RAW Buffer
Diagonal
Touchscreen
Wi-Fi / Bluetooth
Headphone Jack
USB Version
GPS
Time Lapse










