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  3. Galaxy A51 5G vs Redmi Note 9 Pro Max

Samsung Galaxy A51 5G vs Xiaomi Redmi Note 9 Pro Max

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

Samsung Galaxy A51 5G
Samsung · 2020Galaxy A51 5G
5.6Score
8 advantages≈ $190
vs
Xiaomi Redmi Note 9 Pro Max
Xiaomi · 2020Redmi Note 9 Pro Max
6.1Score
8 advantages≈ $190
Higher score
5.0Display3.9
6.8Camera7.5
2.9Battery7.1
7.1Features3.5
Dimensions

Size comparison

Galaxy A51 5GRedmi Note 9 Pro Max
73.6 × 158.98.776.7 × 165.58.8
Galaxy A51 5GRedmi Note 9 Pro MaxDifference
Height158.9 mm165.5 mm−6.6 mm
Width73.6 mm76.7 mm−3.1 mm
Thickness8.7 mm8.8 mm−0.1 mm
Weight187 g209 g−22 g

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

Why is Galaxy A51 5G better than Redmi Note 9 Pro Max?

  1. OLED panelYes · Redmi Note 9 Pro Max: No
  2. 5GYes · Redmi Note 9 Pro Max: No
  3. NFCYes · Redmi Note 9 Pro Max: No
  4. Storage (base)128 GB vs 64 GB2×
  5. 4K selfie videoYes · Redmi Note 9 Pro Max: No
  6. Weight187 g vs 209 g+12%
  7. Pixel density405 ppi vs 395 ppi+3%
  8. Screen-to-body ratio87.2% vs 84.6%+3%

Why is Redmi Note 9 Pro Max better than Galaxy A51 5G?

  1. Wired charging15 W vs 33 W2.2×
  2. Battery capacity4,500 mAh vs 5,020 mAh+12%
  3. Main camera48 MP vs 64 MP+33%
  4. Peak brightness400 nits vs 450 nits+12%
  5. CPU frequency2.2 GHz vs 2.3 GHz+5%
  6. Charged in 30 min30% vs 50%+67%
  7. Screen size6.5″ vs 6.7″+3%
  8. Main camera aperturef/2 vs f/1.9+5%
Specifications

Side by side

Design
Weight187 g209 g
Thickness8.7 mm8.8 mm
Height158.9 mm165.5 mm
Width73.6 mm76.7 mm
FrameAluminiumPlastic
BackPlasticGlass
Glass protectionCorning Gorilla Glass 3Corning Gorilla Glass 5
ColoursPrism Cube Black, Prism Cube White, Prism Cube PinkAurora Blue, Glacier White, Interstellar Black
Display
Screen size6.5″6.7″
PanelSuper AMOLEDIPS LCD
OLED panelYesNo
Resolution (width)1,080 px1,080 px
Resolution (height)2,400 px2,400 px
Pixel density405 ppi395 ppi
Refresh rate60 Hz60 Hz
Peak brightness400 nits450 nits
Measured brightness642 nits—
Screen-to-body ratio87.2%84.6%
Performance
ChipsetExynos 980Qualcomm SM7125 Snapdragon 720G
Chip makerExynosQualcomm
Process8 nm8 nm
CPU cores88
CPU frequency2.2 GHz2.3 GHz
GPUMali-G76 MP5Adreno 618
AnTuTu score316,007—
Geekbench 6 (multi-core)1,867—
Memory
RAM8 GB8 GB
Storage (max)128 GB128 GB
Storage (base)128 GB64 GB
Storage typeUFS 2.1UFS 2.1
Memory card slotYesYes
Camera
Main camera48 MP64 MP
Main camera aperturef/2f/1.9
Main sensor size1/2.0"1/1.72"
Rear cameras22
Optical stabilisationNoNo
Ultra-wide cameraYesYes
Telephoto cameraNoNo
Max video4K4K
4K video frame rate30 fps30 fps
Selfie camera32 MP32 MP
4K selfie videoYesNo
Battery
Battery capacity4,500 mAh5,020 mAh
Battery typeLi-PoLi-Po
Wired charging15 W33 W
Charged in 30 min30%50%
Wireless chargingNoNo
Connectivity
5GYesNo
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 5
Bluetooth55
NFCYesNo
USBUSB Type-C 2.0USB Type-C 2.0
USB version22
Satellite navigationGLONASS, GALILEO, BDSGLONASS, GALILEO, BDS, NavIC
Features
Stereo speakersNoNo
3.5 mm headphone jackYesYes
Loudspeaker loudness-29.5 LUFS—
Fingerprint sensorUnder displaySide
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass
SAR (head)0.5 W/kg0.88 W/kg
Software
OS at launchAndroid 10Android 10
PlatformAndroidAndroid
InterfaceOne UI 5MIUI 13
To compare: 0up to 4 models
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