Xiaomi Redmi K90 Ultra vs K80 Ultra

Here we compared two flagship smartphones: the 6.83-inch Xiaomi Redmi K90 Ultra (with Qualcomm Snapdragon 8 Elite) that was released on June 30, 2026, against the Xiaomi Redmi K80 Ultra, which is powered by MediaTek Dimensity 9400 Plus and came out 1 year before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

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Memory

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Xiaomi Redmi K90 Ultra
  • Comes with 1140 mAh larger battery capacity: 8550 vs 7410 mAh
  • Higher display refresh rate โ€“ 165 Hz
  • Waterproof body (IP69 classification)
  • 10% better performance in AnTuTu Benchmark (3233K versus 2926K)
  • The phone is 1 year newer
  • More recent OS version: Android 16 versus 15
  • Slow-motion recording at 1920FPS
  • Supports Dolby Atmos sound technology
  • 13% faster in single-core GeekBench 6 test: 3261 and 2877 points

Review

Evaluation of Xiaomi Redmi K90 Ultra and K80 Ultra crucial features
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Scores with a red asterisk (*) are approximate and may change in the future as we gather more data.
DeviceFacts Score
Final comparison evaluation
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๐Ÿ“ฑ Primary usage:

Value for money (Beta)

To get an accurate value-for-money index, update the default prices with actual prices from your countryโ€™s retailers (for the selected memory configs) and press the "Calculate" button.
Currency
12 / 256 GB
VS
12 / 256 GB
131.5
(Excellent)
Value Index
99.8
(Very good)

Tests and specifications

Comparison table of technical specifications and tests

Display

Type AMOLED OLED
Size 6.83 inches 6.83 inches
Resolution 1280 x 2772 pixels 1280 x 2772 pixels
Aspect ratio 19.5:9 19.5:9
PPI 447 ppi 447 ppi
Refresh rate 165 Hz 144 Hz
Adaptive refresh rate Yes Yes
Max rated brightness - 1800 nits
Max rated brightness in HDR 9500 nits 3200 nits
HDR support Yes, Dolby Vision Yes, Dolby Vision
Touch sampling rate 480 Hz 480 Hz
Screen protection Tempered glass Tempered glass
Screen-to-body ratio 90.2% 90%
Display features - DCI-P3
- Always-On Display
- DC Dimming
- DCI-P3
- Always-On Display
- DC Dimming

Design and build

Height 162.91 mm (6.41 inches) 163.4 mm (6.43 inches)
Width 77.93 mm (3.07 inches) 77.9 mm (3.07 inches)
Thickness 8.18 mm (0.32 inches) 8.2 mm (0.32 inches)
Weight 227 g (8.01 oz) 219 g (7.72 oz)
Waterproof IP69 IP68
Advanced cooling Active fan Vapor chamber
Rear material - Glass
Frame material Metal Metal
Colors Black, Silver, Blue White, Gray, Blue, Green
Fingerprint scanner Yes, in-display Yes, in-display
Screen-to-body ratio

Performance

Chipset specifications of Xiaomi Redmi K90 Ultra and Xiaomi Redmi K80 Ultra
SoC
Chipset Qualcomm Snapdragon 8 Elite MediaTek Dimensity 9400 Plus
Max clock 4320 MHz 3630 MHz
CPU cores 8 (2 + 6) 8 (1 + 3 + 4)
Architecture - 6 cores at 3.53 GHz: Oryon (Phoenix M)
- 2 cores at 4.32 GHz: Oryon (Phoenix L)
- 4 cores at 2.4 GHz: Cortex-A720
- 3 cores at 3.3 GHz: Cortex-X4
- 1 core at 3.73 GHz: Cortex-X925
L3 cache 8 MB 12 MB
Manufacturing TSMC TSMC
Lithography process 3 nanometers 3 nanometers
Neural processor (NPU) Hexagon MediaTek NPU 890
GPU
Graphics Adreno 830 Mali-G925 Immortalis MP12
GPU shading units 1536 1536
GPU clock 1100 MHz 1612 MHz
FLOPS ~3379.2 GFLOPS ~4952.1 GFLOPS

Benchmarks

Benchmark comparison of Xiaomi Redmi K90 Ultra and Xiaomi Redmi K80 Ultra
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Compute Score (GPU)
Compute Score (GPU) 24370 23887
Single-core score 3261 2877
Multi-core score 10224 9174
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
3233695
2926668
CPU 924949 880310
GPU 1161971 988809
Memory 466704 415150
UX 680071 642399
Total score 3233695 2926668
Samples Less than 3 [16 tests]
AnTuTu 11 Ranking List (72nd and 124th place)

Recent User Tests

The latest benchmark tests that have been submitted by users
Xiaomi Redmi K90 Ultra
No benchmark results yet
Xiaomi Redmi K80 Ultra
DateBenchmarkResult
๐Ÿ“˜ 2026-10-10 (Khรกnh)AnTuTu 122949218
๐Ÿ“˜ 2026-09-24 -> Tablet2023Battery lifeSOT 8:43 / 34:56
๐Ÿ“˜ 2026-09-24 -> Tablet2023Battery lifeSOT 8:43 / 28:46
๐Ÿ“˜ 2026-09-19 -> Syed Shahzaib SubhaniAnTuTu 123103556
๐Ÿ“˜ 2026-09-14 (1mpressa)AnTuTu 122956884

Memory

RAM
RAM size 12 GB 12 GB
Memory type LPDDR5X LPDDR5X
Memory clock 5300 MHz 5333 MHz
Channels 4 4
Storage
Storage size 256 GB 256 GB
Storage type UFS 4.1 UFS 4.1
Memory card No No

Software

Operating system Android 16 Android 15
ROM HyperOS 3 HyperOS 2.0
OS updates 4 years -
Security updates 6 years -

Battery

Capacity 8550 mAh 7410 mAh
Max charge power 100 W 100 W
Battery type Silicon-Carbon (Si/C) Silicon-Carbon (Si/C)
Replaceable No No
Wireless charging No No
Reverse charging Yes Yes
Bypass charging - No
Fast charging Yes Yes

Main camera

Matrix 50 megapixels 50 megapixels
Image resolution 8192 x 6144 8192 x 6144
Zoom Digital Digital
Flash Dual LED Dual LED
Stabilization Optical Optical
8K video recording Up to 30FPS Up to 30FPS
4K video recording Up to 60FPS Up to 60FPS
1080p video recording Up to 60FPS Up to 60FPS
Slow motion 1920 FPS (710p) 960 FPS (1080p)
Angle of widest lens - 119ยฐ
Lenses 1) Standard: 50 MP
2) Ultrawide: 8 MP
1) Standard: 50 MP
2) Ultrawide: 8 MP
Camera features - Bokeh mode
- Pro mode
- Bokeh mode
- Pro mode
Standard lens
Image resolution 50 MP 50 MP
Aperture f/1.7 f/1.9
Focal length 24 mm 23 mm
Sensor - Omnivision OV50 Light Hunter 800
Sensor size 1/1.55" (โ‰ˆ 0.65 inch) 1/1.55" (โ‰ˆ 0.65 inch)
Pixel size 1 micron 1 micron
Autofocus Phase autofocus Phase autofocus
Stabilization Optical Optical
Ultra-wide lens
Image resolution 8 MP 8 MP
Aperture f/2.2 f/2.2
Focal length 15 mm -
Sensor - Omnivision OV08F
Sensor size 1/4.0" (โ‰ˆ 0.25 inch) 1/4.0" (โ‰ˆ 0.25 inch)
Pixel size 1.14 micron -
Stabilization Digital Digital

Selfie camera

Megapixels 20 megapixels 20 megapixels
Image resolution 5184 x 3888 -
Aperture f/2.2 -
Sensor - Omnivision OV20B
Sensor size - 1/2.0" (โ‰ˆ 0.5 inch)
Autofocus No -
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 60 FPS 1080p (Full HD) at 60 FPS
Depth sensor (TOF 3D) No No

Connectivity

Wi-Fi standard Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) Wi-Fi 7 (802.11 a/b/g/n/ac/ax)
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 -
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
- OTG
DisplayPort No -
GPS GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC
NFC* Yes Yes
Infrared port Yes Yes
Network
Number of SIM* 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* No No
Hybrid slot No No
5G support Yes Yes

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No -
Dolby Atmos Yes No

Other

Category Flagship Flagship
Announced June 2026 June 2025
Release date June 2026 June 2025
Launch price (MSRP) $440 $399
Sensors - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled charger Yes, 100 W Yes, 100 W
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

These smartphones have a lot in common, but we would recommend the Xiaomi Redmi K90 Ultra. It has a better battery life, software, design, and sound.

Cast your vote

So, which phone would you choose?
4 (30.8%)
9 (69.2%)
Total votes: 13

User opinions

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