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  3. A55 vs Redmi Note 9T

OPPO A55 vs Xiaomi Redmi Note 9T

What A55 does better (5) and where Redmi Note 9T wins (7) — every spec side by side.

OPPO A55
OPPO · 2021A55
5.4Score
5 advantages≈ $140
vs
Xiaomi Redmi Note 9T
Xiaomi · 2021Redmi Note 9T
5.5Score
7 advantages≈ $140
Higher score
3.6Display3.6
5.5Camera5.4
4.6Battery4.6
5.0Features8.1
Dimensions

Size comparison

A55Redmi Note 9T
75.7 × 163.68.477.3 × 161.29.1
A55Redmi Note 9TDifference
Height163.6 mm161.2 mm+2.4 mm
Width75.7 mm77.3 mm−1.6 mm
Thickness8.4 mm9.1 mm−0.7 mm
Weight193 g199 g−6 g

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

Why is A55 better than Redmi Note 9T?

  1. Main camera50 MP vs 48 MP+4%
  2. Peak brightness550 nits vs 450 nits+22%
  3. Weight193 g vs 199 g+3%
  4. Selfie camera16 MP vs 13 MP+23%
  5. Thickness8.4 mm vs 9.1 mm+8%

Why is Redmi Note 9T better than A55?

  1. 5GNo · A55: Yes
  2. Stereo speakersNo · A55: Yes
  3. Pixel density270 ppi vs 395 ppi+46%
  4. Max video1080p vs 4K
  5. Process12 nm vs 7 nm+71%
  6. CPU frequency2.3 GHz vs 2.4 GHz+4%
  7. Resolution (width)720 px vs 1,080 px+50%
Specifications

Side by side

OPPO A55OPPO A55≈ $1405.4
Design
Weight193 g199 g
Thickness8.4 mm9.1 mm
Height163.6 mm161.2 mm
Width75.7 mm77.3 mm
Frame—Plastic
Back—Plastic
Glass protectionNEG T2X-1Corning Gorilla Glass 5
ColoursRainbow Blue, Starry Black, GreenNightfall Black, Daybreak Purple
Display
Screen size6.5″6.5″
PanelIPS LCDIPS LCD
OLED panelNoNo
Resolution (width)720 px1,080 px
Resolution (height)1,600 px2,340 px
Pixel density270 ppi395 ppi
Refresh rate60 Hz60 Hz
Peak brightness550 nits450 nits
Measured brightness—471 nits
Screen-to-body ratio82.6%84%
Performance
ChipsetMediatek MT6765G Helio G35Mediatek Dimensity 800U
Chip makerMediaTekMediaTek
Process12 nm7 nm
CPU cores88
CPU frequency2.3 GHz2.4 GHz
GPUPowerVR GE8320Mali-G57 MC3
AnTuTu score—288,732
Geekbench 6 (multi-core)—1,775
Memory
RAM6 GB6 GB
Storage (max)128 GB128 GB
Storage (base)64 GB64 GB
Storage type—UFS 2.1
Memory card slotYesYes
Camera
Main camera50 MP48 MP
Main camera aperturef/1.8f/1.8
Main sensor size—1/2.0"
Rear cameras11
Optical stabilisationNoNo
Ultra-wide cameraNoNo
Telephoto cameraNoNo
Max video1080p4K
4K video frame rate—30 fps
Selfie camera16 MP13 MP
4K selfie videoNoNo
Battery
Battery capacity5,000 mAh5,000 mAh
Battery typeLi-PoLi-Po
Wired charging18 W18 W
Charged in 30 min—33%
Wireless chargingNoNo
Connectivity
5GNoYes
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 5
Bluetooth55.1
NFCYesYes
USBUSB Type-C 2.0USB Type-C 2.0
USB version22
Satellite navigationGLONASS, GALILEO, BDS, QZSSGLONASS, GALILEO, BDS
Features
Stereo speakersNoYes
3.5 mm headphone jackYesYes
Loudspeaker loudness—-26.3 LUFS
Fingerprint sensorSideSide
SensorsFingerprint (side-mounted), accelerometer, proximity, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass
SAR (head)—0.59 W/kg
Software
OS at launchAndroid 11Android 10
PlatformAndroidAndroid
InterfaceColorOS 11.1MIUI 12
To compare: 0up to 4 models
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