Sony a6400
Score: 90/100
OM SYSTEM Olympus OM
Score: 92/100Rankings
The OM-1 Mark II is OM System's flagship Micro Four Thirds camera, pairing a stacked 20.4 MP sensor with the TruePic X processor to deliver ultra-fast 120 fps burst shooting, advanced AI autofocus, and specialized astrophotography features, all within a rugged, weather-sealed body.
The Sony Alpha a6400 is a compact APS-C mirrorless camera delivering flagship-level autofocus and 4K video capabilities in a lightweight body, suitable for both photographers and content creators. It offers fast hybrid AF, high-resolution EVF and solid build, but lacks IBIS and a fully articulating screen.
| Attribute | | |
|---|---|---|
24.2 MPbest | 20.4 MP | |
410 shots | 520 shotsbest | |
102,400 ISObest | 102,400 ISObest | |
| ↓ lower better | 292 gbest | 511 g |
850 points | 1,053 pointsbest | |
30 fps | 60 fpsbest | |
2,359,296 dots | 5,760,000 dotsbest | |
3 inchesbest | 3 inchesbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Sensor & Image(3) | ||
Effective Megapixels (MP) | 24.2 MP | 20.4 MP |
Sensor Size | APS-C | Four Thirds |
Image Processor | BIONZ X | TruePic X |
Autofocus(2) | ||
Autofocus Points (points) | 850 points | 1053 points |
Autofocus System | Fast Hybrid AF | Hybrid |
Battery & Power(2) | ||
Battery Life (CIPA) (shots) | 410 shots | 520 shots |
Weight (g) | 292 g | 511 g |
Video(1) | ||
4K Frame Rate (fps) | 30 fps | 60 fps |
Display(2) | ||
LCD Resolution (pixels) | 921600 pixels | 1620000 pixels |
EVF Resolution (dots) | 2359296 dots | 5760000 dots |
Storage(1) | ||
Memory Card Slot Type | SD | Dual SD |
Products in the top-left offer the best value (high score, low price).
Professional reviewers praise the a6400 for its industry-leading 0.02-second AF acquisition, robust 425-point hybrid AF system, and full-pixel 4K video without time limits, noting the camera delivers flagship performance in a small, travel-friendly package.
Everyday users echo the professional praise, highlighting the camera's speed, compactness, and video features as major strengths, while frequently mentioning the absence of in-body stabilization and the limited screen articulation as pain points.
Professional reviewers, such as Live Science, were highly impressed with the OM-1 Mark II, highlighting its unprecedented 120 fps burst capability, specialized Starry Sky AF, and the innovative Live Composite mode. They consider it on par with many full-frame flagship cameras in speed and handling, though they note the modest 20.4 MP resolution and some ergonomic quirks as drawbacks.
Everyday users praise the camera's lightning-fast shooting, effective image stabilization, and the astrophotography-focused features like Starry Sky AF and Live Composite. Common criticisms revolve around low-light noise at higher ISOs, the hard-to-press flush buttons, the left-side power switch, and the limited selection of fast telephoto lenses for the MFT system.
