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InnoReviews

Nothing Phone (4b) vs Redmi K90

Nothing Phone (4b)
44.2Inno Score
VS
WINNER
Redmi K90

Xiaomi

Redmi K90
74.3Inno Score
28.9Performance84.3
52.8Display65.4
42.6Camera53.1
49.7Battery83.2
65.3Features86.7
1 spec wins — Nothing Phone (4b)9 spec wins — Redmi K90

InnoReviews verdict

Redmi K90 wins this phone face-off, 74.3 to 44.2, pulling ahead mainly in performance (+55) and battery (+34). Nothing Phone (4b) still makes sense if its price or standout specs fit your needs better.

Which would you pick?

Key differences

Reasons to pick the Nothing Phone (4b)

No decisive spec advantages — this side competes on price and preference.

Reasons to pick the Redmi K90

  • Stronger performance score: 84 vs 29
  • Stronger display score: 65 vs 53
  • Stronger camera score: 53 vs 43
  • Stronger battery score: 83 vs 50
  • Stronger features score: 87 vs 65

Display

Display comparison: Nothing Phone (4b) versus Redmi K90
SpecNothing Phone (4b)Redmi K90
Screen size6.77 ″+3%6.59 ″
Panel typeAMOLEDAMOLED
Resolution1080x23442510x1156
Pixel density381 ppi419 ppi+10%
Refresh rate120 Hz120 Hz
Peak brightness2,000 nits3,500 nits+75%
Screen-to-body87.4 %89.8 %+3%

Performance

Performance comparison: Nothing Phone (4b) versus Redmi K90
SpecNothing Phone (4b)Redmi K90
ChipsetSnapdragon 6 Gen 4Snapdragon 8 Elite
AnTuTu—3,106,623Top 11%
AnTuTu 11 (CPU)—872,376Top 15%
AnTuTu 11 (GPU)—1,143,259Top 13%
AnTuTu 11 (Memory)—462,601Top 6%
AnTuTu 11 (UX)—628,387Top 13%
RAM (max)8 GB16 GB+100%
Storage options128GB/256GB256GB / 512GB / 1TB
Storage typeUFS 2.2UFS

Camera

Camera comparison: Nothing Phone (4b) versus Redmi K90
SpecNothing Phone (4b)Redmi K90
Main camera50 MP50 MP
Main aperturef/1.8f/1.88
Ultra-wide8 MP8 MP
Telephoto—50 MP
Optical zoom—2.5 x
Max video4K@30fps8K@30fps
Front camera16 MP20 MP+25%
OISYesYes

Battery

Battery comparison: Nothing Phone (4b) versus Redmi K90
SpecNothing Phone (4b)Redmi K90
Capacity5,200 mAh7,100 mAh+37%
Wired charging33 W100 W+203%
Wireless charging0 W—

Design

Design comparison: Nothing Phone (4b) versus Redmi K90
SpecNothing Phone (4b)Redmi K90
Weight210 g206 g+2%
Thickness8.6 mm8 mm+7%
IP ratingIP64IP68
Frame materialPlasticAluminum

Connectivity

Connectivity comparison: Nothing Phone (4b) versus Redmi K90
SpecNothing Phone (4b)Redmi K90
5GYesYes
Wi-FiWi-Fi 6Wi-Fi 7
Bluetooth6.05.4
NFCYesYes
USBUSB-C 2.0USB-C
eSIM—No

Software

Software comparison: Nothing Phone (4b) versus Redmi K90
SpecNothing Phone (4b)Redmi K90
OS at launchAndroid 16 (Nothing OS 4.1)Android 16 (HyperOS 3)
OS update pledge3 years—

Audio

Audio comparison: Nothing Phone (4b) versus Redmi K90
SpecNothing Phone (4b)Redmi K90
Stereo speakersYesYes
3.5mm jackNoNo

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