Head to head · specs cited · drawn to scale

Sony A6400 vs Sony A6600

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 A6400 A6400 Sony E
Sony A6600 A6600 Sony E
Overview
Type MirrorlessMirrorless
Format APS-C type (23.5 x 15.6mm)APS-C
Lens mount Sony ESony E
Released —, not published—, not published
Sensor & Image
Sensor type Exmor CMOS sensorAPS-C type (23.5 x 15.6mm), Exmor CMOS sensor
Sensor size APS-C type (23.5 x 15.6mm)APS-C
Resolution (MP) 24.224.2
In-body stabilisation none5.0
ISO range Still images: ISO 100-32000 (ISO numbers up to ISO 102400 can be set as expanded ISO range)100
Autofocus & Speed
AF system Fast Hybrid AF (phase-detection AF/contrast-detection AF); 425 points (phase-detection) / 425 points (contrast-detection)Fast Hybrid AF (phase-detection AF/contrast-detection AF)
Subject detection Eye AF (Right/Left Eye Select), Object Tracking, Face Detection (Face Priority in AF; max. number of detectable: 8)425 points (phase-detection AF) / 425 points (contrast-detection AF); Eye AF (Human Right/Left Eye Select)/Animal
Burst — mechanical Continuous shooting: Hi+: 11 fps, Hi: 8 fps, Mid: 6 fps, Lo: 3 fps11
Burst — electronic —, not published—, not published
Video
Max video XAVC S 4K: 3840 x 2160 (30p, 100M), 3840 x 2160 (24p, 100M)4K (3840 x 2160) up to 30p
Codecs / sampling XAVC S: MPEG-4 AVC/H.264, AVCHD: MPEG-4 AVC/H.264XAVC S, AVCHD
Recording limit —, not published—, not published
Viewfinder & Screen
EVF resolution 2 359 296 dots2,359,296 dots
EVF magnification Approx. 1.07x (35mm camera equivalent: Approx. 0.70x) with 50mm lens at infinityApprox. 1.07x (35mm camera equivalent: Approx. 0.70x) with 50mm lens at infinity, -1m-1
Rear screen 7.5cm (3.0-type) wide type TFT, 921 600 dots, tiltable up by approx. 180 degrees / down by approx. 74 degrees, Touch Panel: Yes7.5cm (3.0-type) wide type TFT, 921,600 dots
Body & Handling
Dimensions (W×H×D) 120 × 66.9 × 59.7 mm120 × 66.9 × 69.3 mm
Weight (body) 403 g503 g
Weather sealing —, not publishedDust- and moisture-resistant magnesium-alloy body (not guaranteed to be 100% dust- and moisture-proof)
Shutter durability —, not published—, not published
Power & Storage
Battery life (CIPA) Approx. 360 shots (Viewfinder) / Approx. 410 shots (LCD monitor) (CIPA standard)Approx. 720 shots (Viewfinder) / Approx. 810 shots (LCD monitor)
Battery NP-FW50NP-FZ100
Card slots Multi slot for Memory Stick Duo/SD memory card (single slot)1 (Multi slot for Memory Stick Duo/SD memory card)
Connectivity
USB Multi/Micro USB Terminal; USB Power supply: YesMulti/Micro USB Terminal
Wireless Wi-Fi IEEE 802.11b/g/n (2.4GHz band); Bluetooth Standard Ver. 4.1 (2.4GHz band); NFC (Type 3 Tag)Wi-Fi IEEE 802.11b/g/n (2.4GHz band), Bluetooth Standard Ver. 4.1 (2.4GHz band)
HDMI HDMI micro connector (Type-D)HDMI micro connector (Type-D)
Price
Launch price —, not published—, not published
Size, to scale
A6400120×66.9×59.7A6600120×66.9×69.3

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

Smallest bag that fits
Body + standard zoom Tenba BYOB 9 Camera Insert 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 · A6400 specifications: Sony (official specifications page) · accessed 2026-07-10
“Sensor Type APS-C type (23.5 x 15.6mm), Exmor CMOS sensor ... Number Of Pixels (Effective) Approx. 24.2 megapixels ... Focus Point 425 points (phase-detection AF) / 425 points (contrast-detection AF) ... Continuous shooting: Hi+: 11 fps, Hi: 8 fps, Mid: 6 fps, Lo: 3 fps ... Number of Dots 2 359 296 dots ... Supplied Battery One rechargeable battery pack NP-FW50”
official · A6600 specifications: Sony (official specifications page) · accessed 2026-07-10
“Number Of Pixels (Effective): Approx. 24.2 megapixels. Continuous Drive Speed (approx. max.): Continuous shooting: Hi+: 11 fps, Hi: 8 fps, Mid: 6 fps, Lo: 3 fps. Compensation Effect: 5.0 steps (based on CIPA standard. Pitch/yaw shake only. With Sonnar T* FE 55mm F1.8 ZA lens mounted. Long exposure NR off.)”

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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