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  3. iQOO U1x vs Redmi 9

Vivo iQOO U1x vs Xiaomi Redmi 9

What iQOO U1x does better (4) and where Redmi 9 wins (6) — every spec side by side.

Vivo iQOO U1x
Vivo · 2020iQOO U1x
4.6Score
4 advantages≈ $120
vs
Xiaomi Redmi 9
Xiaomi · 2020Redmi 9
4.8Score
6 advantages≈ $120
Higher score
3.5Display3.1
3.4Camera5.0
4.6Battery5.8
3.5Features5.0
Dimensions

Size comparison

iQOO U1xRedmi 9
76.3 × 164.48.477 × 163.39.1
iQOO U1xRedmi 9Difference
Height164.4 mm163.3 mm+1.1 mm
Width76.3 mm77 mm−0.7 mm
Thickness8.4 mm9.1 mm−0.7 mm
Weight192 g198 g−6 g

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

Why is iQOO U1x better than Redmi 9?

  1. Storage (base)64 GB vs 32 GB2×
  2. Weight192 g vs 198 g+3%
  3. Process11 nm vs 12 nm+9%
  4. Thickness8.4 mm vs 9.1 mm+8%

Why is Redmi 9 better than iQOO U1x?

  1. NFCNo · iQOO U1x: Yes
  2. Pixel density270 ppi vs 395 ppi+46%
  3. Memory card slotNo · iQOO U1x: Yes
  4. Rear cameras1 vs 22×
  5. Ultra-wide cameraNo · iQOO U1x: Yes
  6. Resolution (width)720 px vs 1,080 px+50%
Specifications

Side by side

Vivo iQOO U1xVivo iQOO U1x≈ $1204.6
Xiaomi Redmi 9Xiaomi Redmi 9≈ $1204.8
Design
Weight192 g198 g
Thickness8.4 mm9.1 mm
Height164.4 mm163.3 mm
Width76.3 mm77 mm
FramePlasticPlastic
BackPlasticPlastic
Glass protection—Corning Gorilla Glass 3
ColoursBlack, BlueCarbon Gray, Sunset Purple, Ocean Green, Pink/Blue
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—400 nits
Measured brightness—328 nits
Screen-to-body ratio81.6%83.2%
Performance
ChipsetQualcomm SM6115 Snapdragon 662Mediatek MT6769V/CU Helio G80
Chip makerQualcommMediaTek
Process11 nm12 nm
CPU cores88
CPU frequency2 GHz2 GHz
GPUAdreno 610Mali-G52 MC2
AnTuTu score—201,829
Geekbench 6 (multi-core)—1,325
3DMark Wild Life Extreme—171
Memory
RAM6 GB6 GB
Storage (max)128 GB128 GB
Storage (base)64 GB32 GB
Storage typeUFS 2.1eMMC 5.1
Memory card slotNoYes
Camera
Main camera13 MP13 MP
Main camera aperturef/2.2f/2.2
Main sensor size—1/3.1"
Rear cameras12
Optical stabilisationNoNo
Ultra-wide cameraNoYes
Telephoto cameraNoNo
Max video1080p1080p
Selfie camera8 MP8 MP
4K selfie videoNoNo
Battery
Battery capacity5,000 mAh5,020 mAh
Battery type—Li-Po
Wired charging18 W18 W
Wireless chargingNoNo
Connectivity
5GNoNo
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 5
Bluetooth55
NFCNoYes
USBmicroUSB 2.0USB Type-C 2.0
USB version—2
Infrared port—Yes
Satellite navigationBDSGLONASS, BDS
Features
Stereo speakersNoNo
3.5 mm headphone jackYesYes
Loudspeaker loudness—-26.9 LUFS
Fingerprint sensorSideRear
SensorsFingerprint (side-mounted), accelerometer, proximity, compassFingerprint (rear-mounted), accelerometer, proximity, compass
SAR (head)—0.71 W/kg
Software
OS at launchAndroid 10Android 10
PlatformAndroidAndroid
InterfaceFuntouch 10.5MIUI 13
To compare: 0up to 4 models
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