Sony a6400 Sony a6400 Mirrorless Camera with 16-50mm Review

The Sony A6400 proves an old favorite can still dominate. Its autofocus is blisteringly fast, making it a top pick for anyone shooting sports, wildlife, or fast-paced video.

Type Mirrorless
Sensor 24.2MP APS-C
AF Points 425
Burst FPS 11 fps
Video 4K
IBIS No
Weather Sealed Yes
Weight 360 g
Sony a6400 Sony a6400 Mirrorless Camera with 16-50mm camera
85.9 Overall Score

Overview

So you're looking at the Sony Alpha 6400. It's an APS-C mirrorless camera that's been a go-to recommendation for years, and honestly, it still holds up. With a 24.2MP sensor, 4K video, and that famous Sony autofocus, it's a classic for a reason. People often ask, 'is the A6400 good for sports or wildlife?' Given its 92.6/100 score in that category, the answer is a clear yes. It's a lightweight workhorse that punches well above its weight class. For under $850, you're getting a camera that can handle fast action, solid video work for YouTube or streaming, and still deliver great photos. It's not the newest model, but it's proven.

Performance

Let's talk speed. The autofocus system is where this camera shines, landing in the 96th percentile. With 425 phase-detection points and real-time Eye AF, it locks onto subjects like a magnet. For burst shooting, it's in the 97th percentile, capable of 11 fps with the mechanical shutter. That's more than enough for most sports or wildlife scenarios. The 24.2MP APS-C sensor is no slouch either, sitting in the 88th percentile for image quality. Video is solid 4K, though its 77th percentile ranking shows it's good but not class-leading. The big performance caveat? There's no in-body stabilization. You'll need steady hands or a gimbal for smooth handheld video.

Performance Percentiles

AF 98.2
EVF 85
Build 92.8
Burst 77.3
Video 80.9
Sensor 85.1
Battery 99.2
Display 92.4
Connectivity 84.6
Social Proof 94.5
Stabilization 40

Pros & Cons

Pros

  • Incredible autofocus system with real-time Eye AF 99th
  • Very fast 11 fps mechanical burst shooting 98th
  • Compact and lightweight body at just 358g 95th
  • Fully articulating touchscreen is great for vlogging 93th
  • Excellent battery life for its class (99th percentile)

Cons

  • No in-body image stabilization (IBIS)
  • Electronic viewfinder is just average (50th percentile)
  • Not weather-sealed
  • Menu system can be confusing for new users
  • Rolling shutter can be noticeable in 4K video

Specifications

Full Specifications

Sensor

Type CMOS
Size APS-C
Megapixels 24.2
ISO Range 100
Processor BIONZ X

Autofocus

AF Points 425
AF Type Contrast Detection, Phase Detection: 425
Eye AF Yes

Shooting

Burst (Mechanical) 11
Max Shutter 1/4000
Electronic Shutter Yes

Video

Max Resolution 4K
10-bit No
Log Profile Yes

Display & EVF

Screen Size 2.95
Touchscreen Yes
Articulating Yes
EVF Resolution 921600

Build

Weather Sealed Yes
Weight 0.4 kg / 0.8 lbs
Battery Life 360

Connectivity

Wi-Fi Yes
Bluetooth Yes
USB USB
HDMI Micro-HDMI
Hot Shoe Yes

Value & Pricing

At around $850, the A6400 sits in a sweet spot. It's not the cheapest APS-C camera, but you're paying for that top-tier autofocus and proven reliability. You're getting performance that rivals cameras costing hundreds more. The main trade-off is the lack of stabilization and weather sealing. If those features are must-haves, you'll need to look elsewhere or spend more. But if your priority is nailing focus on moving subjects without breaking the bank, this is still one of the best values out there.

vs Competition

How does it stack up? The Canon EOS R6 Mark II is a full-frame beast, but it's also over twice the price. The Sony ZV-E10 II is a more video-focused and cheaper vlogging alternative, but it sacrifices the viewfinder and some stills performance. The Fujifilm X-T30 III is its most direct rival. It has better film simulations and a more classic design, but the Sony's autofocus is generally faster and more reliable for tracking. The Nikon Z fc has better looks and a higher-resolution screen, but again, the Sony's AF system is tougher to beat. It really comes down to what you value most.

Spec Sony a6400 Sony a6400 Mirrorless Camera with 16-50mm Nikon Z9 Nikon Z 9 FX-Format Mirrorless Camera Body Sony Alpha 7 Sony a7 IV Mirrorless Camera with 28-70mm Canon EOS R6 Canon EOS R6 Mark II Body OM System OM-1 OM SYSTEM OM-1 Mark II Mirrorless Camera Fujifilm X-H2 Fujifilm X-H2 Mirrorless Camera, Black
Type Mirrorless Mirrorless Mirrorless Mirrorless Mirrorless Mirrorless
Sensor 24.2MP APS-C 45.7MP Full Frame 33MP Full Frame 24.2MP Full Frame 22.9MP Micro Four Thirds 40.2MP APS-C
AF Points 425 - 759 1000 1053 -
Burst FPS 11 30 10 40 120 20
Video 4K 8K 4K 4K 4K 8K
IBIS false true true true true true
Weather Sealed true true true true true true
Weight (g) 360 1338 658 590 62 590

Verdict

Should you buy the Sony A6400? If you're a hybrid shooter who needs a reliable, fast camera for action, vlogging, or travel, and you don't need in-body stabilization, this is an easy yes. It's a specialist in speed and focus. But if you shoot a lot of handheld video or need weather sealing, you might be better served by the Fujifilm X-S20 or saving up for a used Sony a6600. For the price, the A6400 delivers where it counts. It's not perfect, but it gets the job done incredibly well for what it is.