Home Phone comparison OnePlus Ace 5 Ultra and Xiaomi Redmi K90 - Which is better?

OnePlus Ace 5 Ultra vs Xiaomi Redmi K90

87 out 100
OnePlus Ace 5 Ultra
VS
91 out 100
Xiaomi Redmi K90
OnePlus Ace 5 Ultra
Xiaomi Redmi K90

Compared 2 smartphones : OnePlus Ace 5 Ultra Manufactured in May, 2025, with display 6.83 with chipsetMediaTek Dimensity 9400 Plus, vs Xiaomi Redmi K90, Manufactured in October, 2025 with chipsetQualcomm Snapdragon 8 Elite. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose OnePlus Ace 5 Ultra
  • Larger display: 6.83in
  • Higher refresh rate: 144Hz
Reasons to choose Xiaomi Redmi K90
  • Higher battery capacity: 7100mAh vs 6700mAh

Versions

Available versions and configurations
Memory Options - 12/256 GB
- 12/512 GB
- 16/256 GB
- 16/512 GB
- 16/1024 GB		 - 12/256 GB
- 12/512 GB
- 16/256 GB
- 16/512 GB
- 16/1024 GB

Review

Key Specs OnePlus Ace 5 Ultra and Xiaomi Redmi K90
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
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Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
OnePlus Ace 5 Ultra
vs
Xiaomi Redmi K90

Display

Display quality comparison
Type AMOLED OLED
Size 6.83 in 6.59 in
Resolution 1264x2780 pixels 1156x2510 pixels
Aspect ratio 19.8:9 19.5:9
Pixel density 450 ppi n/a
Refresh rate 144 Hz 120 Hz
Adaptive refresh rate Yes Yes (1-120 Hz)
Max brightness 1800 nits n/a
HDR support Yes Dolby Vision Yes, Dolby Vision
Touch Sampling Rate n/a 480 Hz
Screen-to-body ratio 90.1 % 89.9 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 163.4 mm (6.43 in) 157.49 mm (6.2 in)
Width 77 mm (3.03 in) 75.25 mm (2.96 in)
Thickness 8.1 mm (0.32 in) 8 mm (0.31 in)
Weight 206 g (7.27 oz) 206 g (7.27 oz)
Water resistance IP65 IP68
Cooling system Vapor chamber Vapor chamber
Frame Metal Metal
Colors - Black
- Gray
- Blue
- Purple		 - White
- Black
- Blue
- Purple
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
OnePlus Ace 5 Ultra
90.1 %
Xiaomi Redmi K90
89.9 %

Performance

Testing OnePlus Ace 5 Ultra and Xiaomi Redmi K90 In benchmarks
Processor
Chipset MediaTek Dimensity 9400 Plus Qualcomm Snapdragon 8 Elite
Max Frequency 3730 MHz 4470 MHz
CPU Cores 8 (1 + 3 + 4) 8 (2 + 6)
Architecture - 4/2.4 (Cortex-A720)
- 3/3.3 (Cortex-X4)
- 1/3.73 (Cortex-X925)		 - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))
Process TSMC TSMC
Transistor Size 3 nm 3 nm
Neural Processor MediaTek NPU 890 Hexagon
Graphics Mali-G925 Immortalis MP12 Adreno 830
GPU Cores 1536 1536
GPU Frequency 1612 MHz 1100 MHz
FLOPS 4952.1 GFLOPS 3379.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
OnePlus Ace 5 Ultra
2677
Xiaomi Redmi K90
2856
Geekbench 6 (Multi-Core)
OnePlus Ace 5 Ultra
8564
Xiaomi Redmi K90
8814
Geekbench 6 (Single-Core)26772856
Geekbench 6 (Multi-Core)85648814
Geekbench Compute (GPU)2497424427
Sources: Geekbench v6 [OnePlus Ace 5 Ultra], [Xiaomi Redmi K90]
AnTuTu 10
AnTuTu 10
OnePlus Ace 5 Ultra
3030235
Xiaomi Redmi K90
3218814
CPU637488916055
GPU13658651150313
Memory503742513749
UX523140638697
NanoReview Score30302353218814

Memory

RAM
RAM Size 12 GB 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency n/a 5300 MHz
Channels 4 4
Storage
Storage Capacity256 GB256 GB
Storage TypeUFS 4.0UFS 4.1
Memory CardNoNo

Software

OS Android 15 Android 16
UI Skin ColorOS 15 HyperOS 3

Battery

Volume 6700 mAh 7100 mAh
Max Charging Power 100 W 100 W
Battery Type Silicon Carbon (Si/C) Silicon Carbon (Si/C)
Removable No No
Wireless Charging No No
Reverse Charging Yes Yes
Fast Charging Yes (51% in 15 min) Yes
Full Charge Time 0:39 h n/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Digital Optical, 2.5x
Flash LED Dual LED
Stabilization Optical Optical
8K Recording No Yes (Up to 30 fps)
4K Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (1080p) 960 fps (1080p)
Wide-angle lens 112 ° 120 °
Lenses count Standard: 50 MP
Ultra-wide: 8 MP		 Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.9
Focal length24 mmn/a
SensorSony IMX906Omnivision OV50 Light Hunter 800
Sensor size1/1.561/1.55
Pixel size1 μm1 μm
AutofocusPhase autofocusPhase autofocus (Dual Pixel)
StabilizationOpticalOptical
Telephoto
Matrixn/a50 MP
Aperturen/af/3.0
Sensorn/aOmnivision OV50M
Sensor sizen/a1/2.76
Pixel sizen/a0.64 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrix8 MP50 MP
Aperturef/2.2f/2.2
Focal length16 mmn/a
SensorOmnivision OV08D10Omnivision OV08F
Sensor size1/4.0n/a
Pixel size1.12 μmn/a
StabilizationDigitalDigital

Front camera

Matrix 16 MP 20 MP
Photo resolution 4608x3456 pixels n/a
Aperture f/2.4 f/2.2
Focal length 23 mm n/a
Sensor CMOS Omnivision OV20B
Sensor size 1/3 1/4
Pixel size 1 μm 0.8 μm
Autofocus No n/a
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 1080p (Full HD) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.4 5.4
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 2 n/a
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort No n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
NFC* Yes Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
5G SupportYesYes

Sound

3.5 mm Jack No No
FM Radio No No

Other

Class Flagship Flagship
Announced May, 2025 yr October, 2025 yr
Release Date May, 2025 yr October, 2025 yr
MSRP ($) n/a 370
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 100 W Yes, 100 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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