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  3. Galaxy A51 vs Redmi 10X 5G

Samsung Galaxy A51 vs Xiaomi Redmi 10X 5G

What Galaxy A51 does better (8) and where Redmi 10X 5G wins (9) — every spec side by side.

Samsung Galaxy A51
Samsung · 2019Galaxy A51
5.1Score
8 advantages≈ $210
vs
Xiaomi Redmi 10X 5G
Xiaomi · 2020Redmi 10X 5G
5.8Score
9 advantages≈ $220
Higher score
5.0Display5.9
8.1Camera6.5
2.6Battery3.8
5.0Features4.1
Dimensions

Size comparison

Galaxy A51Redmi 10X 5G
73.6 × 158.57.975.8 × 164.29
Galaxy A51Redmi 10X 5GDifference
Height158.5 mm164.2 mm−5.7 mm
Width73.6 mm75.8 mm−2.2 mm
Thickness7.9 mm9 mm−1.1 mm
Weight172 g205 g−33 g

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

Why is Galaxy A51 better than Redmi 10X 5G?

  1. Optical stabilisationYes · Redmi 10X 5G: No
  2. NFCYes · Redmi 10X 5G: No
  3. Storage (base)128 GB vs 64 GB2×
  4. Rear cameras4 vs 22×
  5. Selfie camera32 MP vs 16 MP2×
  6. Weight172 g vs 205 g+19%
  7. Thickness7.9 mm vs 9 mm+14%
  8. Screen-to-body ratio87.4% vs 83.7%+4%

Why is Redmi 10X 5G better than Galaxy A51?

  1. RAM4 GB vs 8 GB2×
  2. Wired charging15 W vs 22 W+50%
  3. Storage (max)128 GB vs 256 GB2×
  4. 5GNo · Galaxy A51: Yes
  5. Battery capacity4,000 mAh vs 4,520 mAh+13%
  6. Peak brightness400 nits vs 600 nits+50%
  7. CPU frequency2.3 GHz vs 2.6 GHz+13%
  8. Process10 nm vs 7 nm+43%
  9. Main camera aperturef/2 vs f/1.8+11%
Specifications

Side by side

Design
Weight172 g205 g
Thickness7.9 mm9 mm
Height158.5 mm164.2 mm
Width73.6 mm75.8 mm
FramePlastic—
BackPlasticGlass
Ingress protection—IP53
Water resistance (IPx)—IPx3
Glass protectionGorilla Glass 3Corning Gorilla Glass 5
ColoursWhite, BlackBlue, Gold, Pink/Blue
Display
Screen size6.5″6.6″
PanelAMOLEDAMOLED
OLED panelYesYes
Resolution (width)1,080 px1,080 px
Resolution (height)2,400 px2,400 px
Pixel density407 ppi401 ppi
Refresh rate60 Hz60 Hz
Peak brightness400 nits600 nits
Measured brightness635 nits—
Screen-to-body ratio87.4%83.7%
HDR—Yes
Performance
ChipsetSamsung Exynos 9611Mediatek Dimensity 820
Chip makerSamsungMediaTek
Process10 nm7 nm
CPU cores88
CPU frequency2.3 GHz2.6 GHz
GPUMali G72 MP3Mali-G57 MC5
AnTuTu score352,699—
Geekbench 6 (multi-core)1,204—
Memory
RAM4 GB8 GB
Storage (max)128 GB256 GB
Storage (base)128 GB64 GB
Storage typeUFS 2.0UFS 2.1
Memory card slotYesYes
Camera
Main camera48 MP48 MP
Main camera aperturef/2f/1.8
Main sensor size1/2"1/2.0"
Rear cameras42
Optical stabilisationYesNo
Ultra-wide cameraYesYes
Telephoto cameraNoNo
Max video4K4K
4K video frame rate30 fps30 fps
Selfie camera32 MP16 MP
4K selfie videoNoNo
Battery
Battery capacity4,000 mAh4,520 mAh
Battery typeLi-PoLi-Po
Wired charging15 W22 W
Charged in 30 min34%—
Wireless chargingNoNo
Connectivity
5GNoYes
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 5
Bluetooth55.1
NFCYesNo
USBUSB Type-CUSB Type-C 2.0
USB version22
Satellite navigationGPS, GLONASS, GALILEO, BDSGLONASS, GALILEO, BDS
Features
Stereo speakersNoNo
3.5 mm headphone jackYesYes
Fingerprint sensorUnder displayUnder display
Sensorsproximity, accelerometer, gyro, light, fingerprintFingerprint (under display, optical), accelerometer, gyro, proximity, compass
SAR (head)0.6 W/kg—
Software
OS at launchAndroid 10Android 10
PlatformAndroidAndroid
InterfaceOne UI 2MIUI 11
To compare: 0up to 4 models
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