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  3. C400 Pocket vs MiJia Mini 4K

SJCAM C400 Pocket vs Xiaomi MiJia Mini 4K

What C400 Pocket does better (4) and where MiJia Mini 4K wins (4) — every spec side by side.

SJCAM C400 Pocket
SJCAM · 2026C400 Pocket
6.8Score
4 advantages≈ $100
Higher score
vs
Xiaomi MiJia Mini 4K
Xiaomi · 2018MiJia Mini 4K
5.5Score
4 advantages≈ $180
6.8Video8.3
3.4Photo3.0
4.0Ruggedness2.2
7.7Battery5.9
Dimensions

Size comparison

C400 PocketMiJia Mini 4K
68.5 × 32.125.571.5 × 42.729.5
C400 PocketMiJia Mini 4KDifference
Height32.1 mm42.7 mm−10.6 mm
Width68.5 mm71.5 mm−3 mm
Depth25.5 mm29.5 mm−4 mm
Weight54 g99 g−45 g

Drawn to the same scale from the official dimensions (front and side).

Why is C400 Pocket better than MiJia Mini 4K?

  1. Weight54 g vs 99 g+83%
  2. Photo resolution16 MP vs 8 MP2×
  3. Battery life (recording)170 min vs 120 min+42%
  4. Depth25.5 mm vs 29.5 mm+16%

Why is MiJia Mini 4K better than C400 Pocket?

  1. Main screen size1.3″ vs 2.4″+85%
  2. Max frame rate (slow motion)120 fps vs 200 fps+67%
  3. Battery capacity1,250 mAh vs 1,450 mAh+16%
  4. Aperturef/3 vs f/2.8+7%
Specifications

Side by side

Design & durability
Weight54 g99 g
Width68.5 mm71.5 mm
Height32.1 mm42.7 mm
Depth25.5 mm29.5 mm
Waterproof without case0 m0 m
Waterproof with housing30 m—
Min operating temperature—0 °C
Max operating temperature—45 °C
Video
Max video resolution4K4K
4K frame rate (max)30 fps30 fps
Max frame rate (slow motion)120 fps200 fps
Timelapse / hyperlapse—Yes
Sensor & photo
Photo resolution16 MP8 MP
Aperturef/3f/2.8
Max field of view—145°
RAW photos—Yes
Stabilisation
Stabilisation system—Elektronischer Bildstabilisator (EIS)
Electronic image stabilisation—Yes
Screens
Main screen size1.3″2.4″
TouchscreenYesYes
Battery
Battery capacity1,250 mAh1,450 mAh
Battery life (recording)170 min120 min
Connectivity
Wi-Fi—Yes
BluetoothYesYes
Storage & features
microSD card slotYesYes
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