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Realme C75x vs Xiaomi Poco X7

What C75x does better (3) and where Poco X7 wins (20) — every spec side by side.

Realme C75x
Realme · 2025C75x
6.8Score
3 advantages≈ $350
vs
Xiaomi Poco X7
Xiaomi · 2025Poco X7
8.4Score
20 advantages≈ $320
Higher score
5.6Display8.8
4.1Camera8.2
8.1Battery5.4
5.4Features8.9
Dimensions

Size comparison

C75xPoco X7
76.2 × 165.7874.4 × 162.38.4
C75xPoco X7Difference
Height165.7 mm162.3 mm+3.4 mm
Width76.2 mm74.4 mm+1.8 mm
Thickness8 mm8.4 mm−0.4 mm
Weight196 g186 g+10 g

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

Why is C75x better than Poco X7?

  1. Battery capacity5,600 mAh vs 5,110 mAh+10%
  2. Memory card slotYes · Poco X7: No
  3. Thickness8 mm vs 8.4 mm+5%

Why is Poco X7 better than C75x?

  1. Peak brightness625 nits vs 3,000 nits4.8×
  2. RAM8 GB vs 12 GB+50%
  3. OLED panelNo · C75x: Yes
  4. Storage (max)256 GB vs 512 GB2×
  5. Optical stabilisationNo · C75x: Yes
  6. NFCNo · C75x: Yes
  7. Pixel density264 ppi vs 446 ppi+69%
  8. Process12 nm vs 4 nm3×
  9. Selfie camera5 MP vs 20 MP4×
  10. CPU frequency2 GHz vs 2.5 GHz+25%
  11. Rear cameras1 vs 22×
  12. Ultra-wide cameraNo · C75x: Yes
Specifications

Side by side

Realme C75xRealme C75x≈ $3506.8
Xiaomi Poco X7Xiaomi Poco X7≈ $3208.4
Design
Weight196 g186 g
Thickness8 mm8.4 mm
Height165.7 mm162.3 mm
Width76.2 mm74.4 mm
Frame—Plastic
Back—Silicone polymer
Ingress protectionIP68IP68
Water resistance (IPx)IPx8IPx8
Glass protectionArmorShell glassCorning Gorilla Glass Victus 2
ColoursCoral Pink, Oceanic BlueBlack, Green, Silver
Display
Screen size6.7″6.7″
PanelIPS LCDAMOLED
OLED panelNoYes
Resolution (width)720 px1,220 px
Resolution (height)1,604 px2,712 px
Pixel density264 ppi446 ppi
Refresh rate120 Hz120 Hz
Peak brightness625 nits3,000 nits
Measured brightness—1,111 nits
Screen-to-body ratio84.9%88.9%
HDR—Yes
Performance
ChipsetMediatek Helio G81 UltraMediatek Dimensity 7300 Ultra
Chip makerMediaTekMediaTek
Process12 nm4 nm
CPU cores88
CPU frequency2 GHz2.5 GHz
GPUMali-G52 MC2Mali-G615 MC2
AnTuTu score—677,093
Geekbench 6 (multi-core)—2,846
3DMark Wild Life Extreme—846
Memory
RAM8 GB12 GB
Storage (max)256 GB512 GB
Storage (base)128 GB128 GB
Storage type—UFS 2.2
Memory card slotYesNo
Camera
Main camera50 MP50 MP
Main camera aperturef/1.8f/1.5
Main sensor size1/2.88"1/1.95"
Rear cameras12
Optical stabilisationNoYes
Ultra-wide cameraNoYes
Telephoto cameraNoNo
Max video1080p4K
4K video frame rate—30 fps
Selfie camera5 MP20 MP
4K selfie videoNoNo
Battery
Battery capacity5,600 mAh5,110 mAh
Battery type—Li-Po
Active use (test)—11.1 h
Wired charging45 W45 W
Charged in 30 min—58%
Wireless chargingNoNo
Connectivity
5G—Yes
eSIMNoYes
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 6
Bluetooth55.4
NFCNoYes
USBUSB Type-C 2.0USB Type-C 2.0
USB version22
Infrared port—Yes
Satellite navigationGLONASS, GALILEO, BDS, QZSSGLONASS, GALILEO, BDS, QZSS
Features
Stereo speakersNoNo
3.5 mm headphone jackNoNo
Loudspeaker loudness—-26.8 LUFS
Fingerprint sensorSideUnder display
SensorsFingerprint (side-mounted), accelerometer, proximity, compassFingerprint (under display, optical), accelerometer, gyro, compass, proximity
SAR (head)—0.99 W/kg
Software
OS at launchAndroid 15Android 14
PlatformAndroidAndroid
Interface—HyperOS
EU label
Energy class—C
Battery charge cycles—1,000
Endurance per cycle—41 h
Repairability class—C
Drop resistance class—B
To compare: 0up to 4 models
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