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  3. iQOO U3x vs Poco M4 Pro 5G

Vivo iQOO U3x vs Xiaomi Poco M4 Pro 5G

What iQOO U3x does better (4) and where Poco M4 Pro 5G wins (12) — every spec side by side.

Vivo iQOO U3x
Vivo · 2021iQOO U3x
6.0Score
4 advantages≈ $170
vs
Xiaomi Poco M4 Pro 5G
Xiaomi · 2021Poco M4 Pro 5G
6.1Score
12 advantages≈ $160
Higher score
5.5Display4.8
4.2Camera6.6
4.6Battery6.0
5.8Features6.5
Dimensions

Size comparison

iQOO U3xPoco M4 Pro 5G
75.4 × 164.28.475.8 × 163.68.8
iQOO U3xPoco M4 Pro 5GDifference
Height164.2 mm163.6 mm+0.6 mm
Width75.4 mm75.8 mm−0.4 mm
Thickness8.4 mm8.8 mm−0.4 mm
Weight186 g195 g−10 g

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

Why is iQOO U3x better than Poco M4 Pro 5G?

  1. Max video4K vs 1080p
  2. Weight186 g vs 195 g+5%
  3. Wi-Fi standardWi-Fi 6 vs Wi-Fi 5+20%
  4. Thickness8.4 mm vs 8.8 mm+5%

Why is Poco M4 Pro 5G better than iQOO U3x?

  1. Main camera13 MP vs 50 MP3.8×
  2. Wired charging18 W vs 33 W+83%
  3. Storage (max)128 GB vs 256 GB2×
  4. NFCNo · iQOO U3x: Yes
  5. Stereo speakersNo · iQOO U3x: Yes
  6. Memory card slotNo · iQOO U3x: Yes
  7. Rear cameras1 vs 22×
  8. Ultra-wide cameraNo · iQOO U3x: Yes
  9. Selfie camera8 MP vs 16 MP2×
  10. CPU frequency2 GHz vs 2.4 GHz+20%
  11. Process8 nm vs 6 nm+33%
  12. Main camera aperturef/2.2 vs f/1.8+22%
Specifications

Side by side

Vivo iQOO U3xVivo iQOO U3x≈ $1706.0
Design
Weight186 g195 g
Thickness8.4 mm8.8 mm
Height164.2 mm163.6 mm
Width75.4 mm75.8 mm
Frame—Plastic
Back—Plastic
Ingress protection—IP53
Water resistance (IPx)—IPx3
Glass protection—Corning Gorilla Glass 3
ColoursGray, AuroraPoco Yellow, Power Black, Cool Blue
Display
Screen size6.6″6.6″
PanelIPS LCDIPS LCD
OLED panelNoNo
Resolution (width)1,080 px1,080 px
Resolution (height)2,408 px2,400 px
Pixel density401 ppi399 ppi
Refresh rate90 Hz90 Hz
Peak brightness—450 nits
Measured brightness—510 nits
Screen-to-body ratio84.2%84.8%
Performance
ChipsetQualcomm SM4350 Snapdragon 480 5GMediatek Dimensity 810
Chip makerQualcommMediaTek
Process8 nm6 nm
CPU cores88
CPU frequency2 GHz2.4 GHz
GPUAdreno 619Mali-G57 MC2
AnTuTu score—296,721
Geekbench 6 (multi-core)—1,797
3DMark Wild Life Extreme—360
Memory
RAM8 GB8 GB
Storage (max)128 GB256 GB
Storage (base)64 GB64 GB
Storage typeUFS 2.1UFS 2.2
Memory card slotNoYes
Camera
Main camera13 MP50 MP
Main camera aperturef/2.2f/1.8
Main sensor size—1/2.76"
Rear cameras12
Optical stabilisationNoNo
Ultra-wide cameraNoYes
Telephoto cameraNoNo
Max video4K1080p
4K video frame rate30 fps—
Selfie camera8 MP16 MP
4K selfie videoNoNo
Battery
Battery capacity5,000 mAh5,000 mAh
Battery type—Li-Po
Wired charging18 W33 W
Charged in 30 min—51%
Wireless chargingNoNo
Connectivity
5GYesYes
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 6Wi-Fi 5
Bluetooth5.15.1
NFCNoYes
USBUSB Type-C 2.0USB Type-C 2.0
USB version22
Infrared port—Yes
Satellite navigationGLONASS, GALILEO, BDSGLONASS, GALILEO, BDS
Features
Stereo speakersNoYes
3.5 mm headphone jackYesYes
Loudspeaker loudness—-24.9 LUFS
Fingerprint sensorSideSide
SensorsFingerprint (side-mounted), accelerometer, proximity, compassFingerprint (side-mounted), accelerometer, gyro, compass
SAR (head)—0.59 W/kg
Software
OS at launchAndroid 11Android 11
PlatformAndroidAndroid
InterfaceOriginOS 1.0 for iQOOMIUI 13
To compare: 0up to 4 models
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