Sony Alpha a6400 Black 2019
The 24.2MP APS-C sensor paired with Real-time Eye AF and 0.02-second autofocus acquisition across 425 phase-detection points delivers sharp 11fps bursts that keep moving subjects in focus. At just 359g with weather sealing and a tilting touchscreen, it remains highly portable while offering S-Log profiles for graded 4K video and built-in Wi-Fi/Bluetooth. This camera is best for streamers and vloggers needing dependable face-tracking autofocus and 4K recording with color grading flexibility.
Snapshot
Pros & Cons
Pros
Cons
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews — so you can see whether early praise held up.
- Q2 202595/100
Buyers love the camera's image quality and portability. One order arrived missing a lens, but seller communication resolved it. Bag quality noted as modest.
- Great image quality and fast autofocus, especially for travel and wildlife.
- Camera is lightweight, easy to use, and comes with many accessories.
- Missing lens in one bundle; seller handled well but delayed delivery.
- Included strap bag could be bigger or better quality.
- Q1 202460/100
Buyers praised the camera's size, viewfinder, and photo quality, but noted high price, poor battery life, and high-ISO noise.
- Compact, lightweight design with viewfinder and good photo quality.
- Price is high for an older model compared to competitors.
- Battery life is poor, and high-ISO performance is noisy above 1200.
- Flip-up screen is awkward behind hot shoe; some delivery issues.
- Q1 202288/100
Buyers praised build quality, photo results, and ease of use for beginners, but one long-term user continues to dislike the menu system.
- Excellent build quality and photo results.
- Great for beginners; enjoyable to learn and use.
- Menu system is frustrating even after years of use.
- Highly recommended; buyers would purchase again.
- Q4 202178/100
Buyers praise the camera's picture/video quality and bundled accessories, but some report a fatal USB connection/software glitch and find menu navigation complex.
- Great picture and video quality, butter-smooth video, and easy operation.
- Bundled accessories (lenses, filters, software) are valued and make the kit convenient.
- USB connection verification fails in an endless loop, rendering software features unusable.
- Menu navigation is more complicated than other cameras; some accessories feel cheap.
- Q3 202180/100
Buyers praise the camera as a good upgrade for students and hobbyists, though one had a denied transaction.
- Great for students and junior hobbyists due to lightness and features.
- No overheating issues, unlike the a6300 model.
- Learning curve steeper than expected, especially from DSLR.
- Order denied for unknown reasons, no product received.
- Q2 202183/100
Buyers in Q2 2021 generally praised the a6400's autofocus, compact size, and value. However, a notable complaint highlighted the lack of in-body stabilization causing blur when shooting hand-held in low light.
- Autofocus is fast and accurate, including for eye tracking and small subjects.
- Compact, lightweight, and good build quality; a solid upgrade from older DSLRs.
- Great value for entry-level to mid-level shooters, especially in bundles.
- No IBIS causes hand-held blur; users advise using stabilized lenses or tripods.
- Q1 202188/100
Buyers praised the camera for its value, low-light video performance, and autofocus, but one reported a viewfinder failure after five months with poor support.
- Excellent value and affordability for the quality offered.
- Great video quality and reliability, including long 4K recording.
- Fast autofocus and sharp image quality appreciated.
- Viewfinder flipped upside-down after five months; Sony support poor.
- Q4 202086/100
Buyers praised the camera's quality, value, and features as a mirrorless option under $1000. Some noted software issues on Mac and lacked double exposure capability.
- Excellent image and video quality, great for beginners and enthusiasts.
- Software programs did not work on Apple computers; buyer beware of compatibility.
- No built-in multiple or double exposure capability; needed update.
- Forgivable rolling shutter at this price point for video use.
Based on 128 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Sensor
| Type | CMOS |
| Size | aps-c |
| Megapixels | 24.2 MP |
| ISO Range | 100 |
| Processor | BIONZ X |
Autofocus
| AF Points | 425 |
| AF Type | Automatic, Continuous-Servo AF, Direct Manual Focus, Manual Focu |
| Eye AF | Yes |
| Animal AF | Yes |
| Subject Detection | Yes |
Shooting
| Burst (Mechanical) | 11 |
| Burst (Electronic) | 8 |
| Max Shutter | 1/4000 |
| Electronic Shutter | Yes |
Video
| Max Resolution | 4K |
| 4K FPS | 24 |
| 1080p FPS | 120 |
| 10-bit | No |
| Log Profile | Yes |
| RAW Video | No |
| Codec | H.264, H.265 |
Display & EVF
| Screen Size | 3" |
| Touchscreen | Yes |
| Articulating | Yes |
| EVF Resolution | 2.36 M dots |
Build
| Weather Sealed | Yes |
| Weight | 0.4 kg / 0.9 lbs |
| Battery Life | 410 |
Connectivity
| Wi-Fi | Yes |
| Bluetooth | Yes |
| USB | Micro-USB |
| HDMI | Micro HDMI |
| Hot Shoe | Yes |
vs Competition
| Spec | Sony Alpha a6400 | Fujifilm X-H2 X-H2 | Canon EOS R6 Mark II R6 Mark II | Panasonic LUMIX GH7 GH7 | Nikon Z5 II Z5 II | OM System OM-1 Mark II OM-1 Mark II |
|---|---|---|---|---|---|---|
| Type | mirrorless | mirrorless | mirrorless | mirrorless | mirrorless | mirrorless |
| Sensor | 24.2MP aps-c | 40.2MP aps-c | 24.2MP full-frame | 25.2MP micro-four-thirds | 24.5MP full-frame | 20.4MP micro-four-thirds |
| AF Points | 425 | 425 | 1053 | 315 | 273 | 1053 |
| Burst FPS | 11 | 20 | 12 | 75 | 30 | 120 |
| Video | 4K @24fps | 8K @60fps | 4K @60fps | 5K @120fps | 4K @60fps | 4K @60fps |
| IBIS | false | true | true | true | true | true |
| Weather Sealed | true | true | true | true | true | true |
| Weight (g) | 403 | 579 | 590 | 721 | 620 | 511 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Af | Evf | Build | Burst | Video | Sensor | Battery | User Sentiment | Connectivity | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sony Alpha a6400 | 88.1 | 87.1 | 90.4 | 74.4 | 52.4 | 86.2 | 91.6 | 42.7 | 85.4 | 83.1 | 33 |
| Fujifilm X-H2 X-H2 Compare | 88.1 | 95.6 | 89.4 | 85.1 | 95.4 | 97.4 | 96.9 | 83.6 | 93.4 | 92.4 | 93.6 |
| Canon EOS R6 Mark II R6 Mark II Compare | 98.5 | 87.8 | 94.3 | 88.1 | 83.6 | 49.1 | 98.6 | 83.6 | 93.4 | 92.4 | 98 |
| Panasonic LUMIX GH7 GH7 Compare | 84.5 | 87.8 | 97.6 | 95.1 | 97.4 | 56.2 | 89.3 | 93.4 | 93.4 | 77.6 | 96.1 |
| Nikon Z5 II Z5 II Compare | 82.6 | 89.4 | 95.4 | 88.2 | 84.7 | 53.7 | 90.7 | 93.4 | 93.4 | 99.2 | 84.7 |
| OM System OM-1 Mark II OM-1 Mark II Compare | 98.5 | 90.2 | 88.9 | 99.8 | 84.6 | 41.2 | 94.3 | 0 | 93.4 | 76.1 | 99.5 |