Head to head · specs cited · drawn to scale

Sony A6700 vs Sony A7R IV

Every spec below is quoted from the makers' official pages — where a figure isn't published we say so rather than guess. Sizes are drawn at true relative scale from published dimensions, and the bag-fit row is computed against our measured bag catalog.

The 3 biggest published differences

Sony A6700 A6700 Sony E
Sony A7R IV A7R IV Sony E
Overview
Type MirrorlessMirrorless
Format APS-C35 mm full frame (35.7×23.8mm)
Lens mount Sony ESony E
Released —, not published—, not published
Sensor & Image
Sensor type APS-C type (23.3 x 15.5 mm), Exmor R CMOS sensorExmor R CMOS sensor
Sensor size APS-C35 mm full frame (35.7×23.8mm)
Resolution (MP) 2661.0
In-body stabilisation 5.0 stops5.5 stops (based on CIPA standard. Pitch/yaw shake only. With Planar T* FE 50mm F1.4 ZA lens mounted. Long exposure NR off.); Image Sensor-Shift mechanism with 5-axis compensation
ISO range 100Still images: ISO 100-32000 (ISO numbers up from ISO 50 to ISO 102400 can be set as expanded ISO range)
Autofocus & Speed
AF system Fast Hybrid AF (phase-detection AF / contrast-detection AF), Max. 759 points (phase-detection AF, still images)Fast Hybrid AF (phase-detection AF/contrast-detection AF); 35 mm full frame: 567 points (phase-detection) / 425 points (contrast-detection)
Subject detection Human, Animal, Bird, Insect, Car, Train, AirplaneLock-on AF [Still] Human (Right/Left Eye Select)/Animal, [Movie] Human (Right/Left Eye Select); Face Detection (max. 8 faces)
Burst — mechanical 11 fpsContinuous shooting: Hi+: max. 10 fps, Hi: max. 8 fps, Mid: max. 6 fps, Lo: max. 3 fps
Burst — electronic —, not published—, not published
Video
Max video 4K 120pXAVC S 4K: 3840 x 2160 (30p, 100 M), 3840 x 2160 (24p, 100 M)
Codecs / sampling XAVC S (MPEG-4 AVC/H.264), XAVC HS (MPEG-H HEVC/H.265), XAVC S-IXAVC S: MPEG-4 AVC/H.264, AVCHD: MPEG-4 AVC/H.264
Recording limit —, not published—, not published
Viewfinder & Screen
EVF resolution 2,359,296 dots5,760,000 dots (1.3 cm (0.5 type) electronic viewfinder, UXGA OLED)
EVF magnification Approx. 1.07x (35 mm camera equivalent: Approx. 0.70x) with 50 mm lens at infinity, -1 m-1Approx. 0.78 x (with 50 mm lens at infinity, -1m)
Rear screen 2.95 inch (3.0-type) wide type TFT, 1,036,800 dots, vari-angle (opening angle approx. 176 degrees, rotation angle approx. 270 degrees), touch panel2.95 inch (3.0-type) wide type TFT, 1,440,000 dots, tilt up by approx. 107 degrees / down by approx. 41 degrees, Touch Panel: Yes
Body & Handling
Dimensions (W×H×D) 122 × 69 × 75.1 mm128.9 × 96.4 × 77.5 mm
Weight (body) 493 g665 g
Weather sealing Not guaranteed to be 100% dust- and moisture-proof—, not published
Shutter durability —, not published—, not published
Power & Storage
Battery life (CIPA) Approx. 550 shots (Viewfinder) / Approx. 570 shots (LCD monitor) (CIPA standard)Approx. 530 shots (Viewfinder) / approx. 670 shots (LCD monitor) (CIPA standard)
Battery NP-FZ100NP-FZ100
Card slots 1x SD (UHS-I/II compliant) memory card slotDual: SLOT1 SD (UHS-I/II compliant), SLOT2 SD (UHS-I/II compliant)
Connectivity
USB USB Type-C terminal (SuperSpeed USB 5 Gbps [USB 3.2] compatible)Multi/Micro USB Terminal and USB Type-C Terminal (USB Power supply available on both)
Wireless Wi-Fi IEEE 802.11a/b/g/n/ac (2.4 GHz band/5 GHz band), Bluetooth Standard Ver. 4.2 (2.4 GHz band)Wi-Fi IEEE 802.11a/b/g/n/ac (2.4 GHz / 5 GHz band); Bluetooth Standard Ver. 4.1 (2.4 GHz band); NFC (Type 3 Tag)
HDMI HDMI micro connector (Type-D), 3840 x 2160 (59.94p/50p/29.97p/25p/23.98p)/1920 x 1080, YCbCr 4:2:2 10bit/RGB 8bitHDMI micro connector (Type-D)
Price
Launch price —, not published—, not published
Size, to scale
A6700122×69×75.1A7R IV128.9×96.4×77.5

Front view, drawn at the same scale from each maker's published W×H (mm).

Smallest bag that fits
Body + standard zoom Think Tank Mirrorless Mover 25 V2 Fits
with 24-105 f/4 · View at B&H Photo Video
Think Tank Mirrorless Mover 25 V2 Fits
with 24-105 f/4 · View at B&H Photo Video

Sources

official · A6700 specifications: Sony (official specifications page) · accessed 2026-07-10
“Still images: ISO 100–32000 (expandable to ISO 50–102400), AUTO (ISO 100–6400, selectable lower limit and upper limit), Movies: ISO 100–32000 equivalent, AUTO (ISO 100–6400, selectable lower limit and upper limit)”
official · A7R IV specifications: Sony (official specifications page) · accessed 2026-07-10
“Sensor Type 35 mm full frame (35.7×23.8mm), Exmor R CMOS sensor ... Number Of Pixels (Effective) Approx. 61.0 megapixels ... Focus Point 35 mm full frame: 567 points (phase-detection AF) ... Compensation Effect 5.5 stops (based on CIPA standard...) ... Continuous shooting: Hi+: max. 10 fps ... Number of Dots 5,760,000 dots ... Supplied Battery One rechargeable battery pack NP-FZ100”

Spec values are the manufacturers' published figures, compared factually — we don't rank cameras. Fit verdicts are planning estimates from published interior dimensions, not guarantees. See methodology.

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