How we scoreBlogAdvertise
android.gsdevices · specs · comparisons
  1. android.gs
  2. Compare
  3. Y21s vs Redmi Note 9T

Vivo Y21s vs Xiaomi Redmi Note 9T

What Y21s does better (4) and where Redmi Note 9T wins (9) — every spec side by side.

Vivo Y21s
Vivo · 2021Y21s
5.2Score
4 advantages
vs
Xiaomi Redmi Note 9T
Xiaomi · 2021Redmi Note 9T
5.5Score
9 advantages≈ $140
Higher score
3.5Display3.6
4.6Camera5.4
4.6Battery4.6
5.0Features8.1
Dimensions

Size comparison

Y21sRedmi Note 9T
76.1 × 164.3877.3 × 161.29.1
Y21sRedmi Note 9TDifference
Height164.3 mm161.2 mm+3.1 mm
Width76.1 mm77.3 mm−1.2 mm
Thickness8 mm9.1 mm−1.1 mm
Weight182 g199 g−17 g

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

Why is Y21s better than Redmi Note 9T?

  1. Main camera50 MP vs 48 MP+4%
  2. Storage (base)128 GB vs 64 GB2×
  3. Weight182 g vs 199 g+9%
  4. Thickness8 mm vs 9.1 mm+14%

Why is Redmi Note 9T better than Y21s?

  1. 5GNo · Y21s: Yes
  2. Stereo speakersNo · Y21s: Yes
  3. Pixel density270 ppi vs 395 ppi+46%
  4. Max video1080p vs 4K
  5. CPU frequency2 GHz vs 2.4 GHz+20%
  6. Process12 nm vs 7 nm+71%
  7. Selfie camera8 MP vs 13 MP+62%
  8. Resolution (width)720 px vs 1,080 px+50%
  9. Screen-to-body ratio81.8% vs 84%+3%
Specifications

Side by side

Design
Weight182 g199 g
Thickness8 mm9.1 mm
Height164.3 mm161.2 mm
Width76.1 mm77.3 mm
Frame—Plastic
Back—Plastic
Glass protection—Corning Gorilla Glass 5
ColoursMidnight Blue, Pearl WhiteNightfall 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 brightness—450 nits
Measured brightness—471 nits
Screen-to-body ratio81.8%84%
Performance
ChipsetMediatek MT6769V/CU Helio G80Mediatek Dimensity 800U
Chip makerMediaTekMediaTek
Process12 nm7 nm
CPU cores88
CPU frequency2 GHz2.4 GHz
GPUMali-G52 MC2Mali-G57 MC3
AnTuTu score—288,732
Geekbench 6 (multi-core)—1,775
Memory
RAM6 GB6 GB
Storage (max)128 GB128 GB
Storage (base)128 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 camera8 MP13 MP
4K selfie videoNoNo
Battery
Battery capacity5,000 mAh5,000 mAh
Battery type—Li-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, BDSGLONASS, 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)0.83 W/kg0.59 W/kg
Software
OS at launchAndroid 11Android 10
PlatformAndroidAndroid
InterfaceFuntouch 11.1MIUI 12
To compare: 0up to 4 models
Compare