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OPPO K15 vs Xiaomi Poco X8

What K15 does better (14) and where Poco X8 wins (3) — every spec side by side.

OPPO K15
OPPO · 2026K15
9.1Score
14 advantages≈ $320
Higher score
vs
Xiaomi Poco X8
Xiaomi · 2026Poco X8
8.9Score
3 advantages≈ $340
8.4Display9.4
6.9Performance6.4
8.5Camera6.9
9.4Battery9.3
8.9Features8.4
Dimensions

Size comparison

K15Poco X8
75.1 × 158.38.378.3 × 163.58.6
K15Poco X8Difference
Height158.3 mm163.5 mm−5.2 mm
Width75.1 mm78.3 mm−3.2 mm
Thickness8.3 mm8.6 mm−0.3 mm
Weight205 g223 g−18 g

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

Why is K15 better than Poco X8?

  1. AnTuTu score990,352 vs 832,323+19%
  2. Wired charging80 W vs 67 W+19%
  3. Selfie camera50 MP vs 16 MP3.1×
  4. Storage (base)256 GB vs 128 GB2×
  5. Rear cameras2 vs 12×
  6. Ultra-wide cameraYes · Poco X8: No
  7. Max video4K vs 1080p
  8. 4K selfie videoYes · Poco X8: No
  9. Weight205 g vs 223 g+9%
  10. CPU frequency2.5 GHz vs 2.4 GHz+4%
  11. Pixel density460 ppi vs 447 ppi+3%
  12. Wi-Fi standardWi-Fi 6 vs Wi-Fi 5+20%

Why is Poco X8 better than K15?

  1. Peak brightness1,200 nits vs 3,500 nits2.9×
  2. Battery capacity8,000 mAh vs 8,340 mAh+4%
  3. Screen size6.6″ vs 6.8″+4%
Specifications

Side by side

OPPO K15OPPO K15≈ $3209.1
Xiaomi Poco X8Xiaomi Poco X8≈ $3408.9
Design
Weight205 g223 g
Thickness8.3 mm8.6 mm
Height158.3 mm163.5 mm
Width75.1 mm78.3 mm
FrameAluminiumPlastic
Back—Plastic
Ingress protectionIP68IP68
Water resistance (IPx)IPx8IPx8
Glass protection—Corning Gorilla Glass Victus 2
ColoursGray, SilverBlack, Frost White, Fiery Orange
Display
Screen size6.6″6.8″
PanelAMOLEDAMOLED
OLED panelYesYes
Resolution (width)1,256 px1,280 px
Resolution (height)2,760 px2,772 px
Pixel density460 ppi447 ppi
Refresh rate120 Hz120 Hz
Peak brightness1,200 nits3,500 nits
Screen-to-body ratio88.9%89.5%
HDR—Yes
Performance
ChipsetMediatek Dimensity 7360 SuperQualcomm SM6435-AA Snapdragon 6s Gen 4
Chip makerMediaTekQualcomm
Process4 nm4 nm
CPU cores88
CPU frequency2.5 GHz2.4 GHz
GPUMali-G615 MC2Adreno 710
AnTuTu score990,352832,323
Geekbench 6 (multi-core)2,8792,871
Memory
RAM12 GB12 GB
Storage (max)256 GB256 GB
Storage (base)256 GB128 GB
Storage typeUFS 3.1UFS 2.2
Memory card slotNoNo
Camera
Main camera50 MP50 MP
Main camera aperturef/1.8f/1.8
Main sensor size—1/2.76"
Rear cameras21
Optical stabilisationYesYes
Ultra-wide cameraYesNo
Telephoto cameraNoNo
Max video4K1080p
4K video frame rate30 fps30 fps
Selfie camera50 MP16 MP
4K selfie videoYesNo
Battery
Battery capacity8,000 mAh8,340 mAh
Battery typeSi/CSi/C
Wired charging80 W67 W
Wireless chargingNoNo
Reverse wireless charging—Yes
Connectivity
5GYesYes
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 6Wi-Fi 5
Bluetooth5.45.1
NFCYesYes
USBUSB Type-C 2.0USB Type-C 2.0
USB version22
Infrared portYesYes
Dual-band GPSYes—
Satellite navigationGLONASS, GALILEO, BDS, QZSS, NavICGLONASS, GALILEO, BDS, QZSS
Features
Stereo speakersYesYes
3.5 mm headphone jackNoNo
Fingerprint sensorUnder displayUnder display
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, compass, proximity
Software
OS at launchAndroid 16Android 16
PlatformAndroidAndroid
InterfaceColorOS 16HyperOS 3
EU label
Energy class—B
Battery charge cycles—1,000
Endurance per cycle—72 h
Repairability class—C
Drop resistance class—A
To compare: 0up to 4 models
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