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InnoReviews

realme C75x vs REDMI K80 Ultra

realme C75x
36Inno Score
VS
WINNER
REDMI K80 Ultra
67.6Inno Score
28.9Performance64.4
39.6Display71.6
29Camera43.4
58.1Battery83.2
20Features86.7
2 spec wins — realme C75x11 spec wins — REDMI K80 Ultra

InnoReviews verdict

REDMI K80 Ultra wins this phone face-off, 67.6 to 36, pulling ahead mainly in features (+67) and performance (+36). realme C75x still makes sense if its price or standout specs fit your needs better.

Which would you pick?

Key differences

Reasons to pick the realme C75x

  • 11% lower weight: 196 g vs 219 g

Reasons to pick the REDMI K80 Ultra

  • Stronger performance score: 64 vs 29
  • Stronger display score: 72 vs 40
  • Stronger camera score: 43 vs 29
  • Stronger battery score: 83 vs 58
  • Stronger features score: 87 vs 20

Display

Display comparison: realme C75x versus REDMI K80 Ultra
Specrealme C75xREDMI K80 Ultra
Screen size6.67 ″6.83 ″+2%
Panel typeIPS LCDOLED
Resolution720x16041280x2772
Pixel density264 ppi447 ppi+69%
Refresh rate120 Hz144 Hz+20%
Peak brightness625 nits3,200 nits+412%
Screen-to-body84.9 %90.2 %+6%

Performance

Performance comparison: realme C75x versus REDMI K80 Ultra
Specrealme C75xREDMI K80 Ultra
ChipsetMediaTek Helio G81 UltraMediaTek Dimensity 9400+
RAM (max)8 GB16 GB+100%
Storage options128/256GB256/512GB/1TB
Storage type—UFS 4.1

Camera

Camera comparison: realme C75x versus REDMI K80 Ultra
Specrealme C75xREDMI K80 Ultra
Main camera50 MP50 MP
Main aperturef/1.8f/1.9
Ultra-wide—8 MP
Max video1080p@30fps8K@30fps
Front camera5 MP20 MP+300%
OIS—Yes

Battery

Battery comparison: realme C75x versus REDMI K80 Ultra
Specrealme C75xREDMI K80 Ultra
Capacity5,600 mAh7,410 mAh+32%
Wired charging45 W100 W+122%
Wireless charging—0 W

Design

Design comparison: realme C75x versus REDMI K80 Ultra
Specrealme C75xREDMI K80 Ultra
Weight196 g+11%219 g
Thickness8 mm+2%8.2 mm
IP ratingIP66/IP68/IP69IP68
Frame material—Aluminum

Connectivity

Connectivity comparison: realme C75x versus REDMI K80 Ultra
Specrealme C75xREDMI K80 Ultra
5GNoYes
Wi-FiWi-Fi 5Wi-Fi 7
Bluetooth5.05.4
NFCNoYes
USBUSB Type-CUSB-C
eSIM—No

Software

Software comparison: realme C75x versus REDMI K80 Ultra
Specrealme C75xREDMI K80 Ultra
OS at launchAndroid 15Android 15 (HyperOS 2)

Audio

Audio comparison: realme C75x versus REDMI K80 Ultra
Specrealme C75xREDMI K80 Ultra
Stereo speakers—Yes
3.5mm jackNoNo

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