Xiaomi Redmi K90 Ultra
89 out of 100
Xiaomi

Xiaomi Redmi K90 Ultra

TechRank Score Excellent choice

Xiaomi Redmi K90 Ultra — specifications, battery-life tests and price. Real owner reviews, strengths and weaknesses.

▣ Display 6.83" AMOLED - 1280 x 2772
⚡ Chipset Qualcomm Snapdragon 8 Elite
◉ Camera 2 (50 MP + 8 MP)
◆ Battery 8550 mAh
✦ OS Android 16
◌ Weight 227 г.
89 TechRank
Overall score

Excellent choice

Overall score across key usage scenarios.

Best suited for
⌁ Battery 100 ⚡ Performance 96 ▣ Display 93
◎

TechRank ratings

Strengths and weaknesses across key usage scenarios.

▣
Display 93
One of the model’s strongest scores
◉
Camera 78
Good score
⚡
Performance 96
One of the model’s strongest scores
◆
Gaming 87
Very high score
⌁
Battery 100
One of the model’s strongest scores
◇
Connectivity 79
Good score
◇
Overall score 89
Very high score
▣
Display 6.83" AMOLED - 1280 x 2772
⚡
Processor Qualcomm Snapdragon 8 Elite
◉
Camera 2 (50 MP + 8 MP)
⌁
Battery 8550 mAh
▣

Display

13 specifications

Type
AMOLED
Size
6.83 inches
Resolution
1280 x 2772 pixels
Aspect ratio
19.5:9
Pixel density
447 ppi
Refresh rate
165 Hz
Adaptive refresh rate
Yes
Max advertised HDR brightness
9500 nits
HDR support
Да, Dolby Vision
Touch sampling rate
480 Hz
Display protection
Закаленное стекло
Screen-to-body ratio
90.2%
Features
- DCI-P3 - Always-On Display - DC Dimming
✦

Design and build

9 specifications

Height
162.91 mm
Width
77.93 mm
Thickness
8.18 mm
Weight
227 g
Water resistance
IP69
Cooling system
Активный вентилятор
Frame material
Metal
Available colors
Black, Silver, Blue
Fingerprint scanner
Да, в дисплее
⚡

Performance

12 specifications

Chipset
Qualcomm Snapdragon 8 Elite
Max clock speed
4320 MHz
CPU cores
8 (2 + 6)
Architecture
- 6 cores at 3.53 GHz: Oryon (Phoenix M)- 2 cores at 4.32 GHz: Oryon (Phoenix L)
L3 cache
8 MB
Manufacturing process
TSMC
Transistor size
3 nm
Neural processor
Hexagon
Graphics
Adreno 830
GPU cores
1536
GPU frequency
1100 MHz
FLOPS
~3379.2 GFLOPS
◇

Benchmarks

8 specifications

Compute Score (GPU)
24370
Single-core score
3261
Multi-core score
10224
CPU
924949
GPU
1161971
Memory
466704
UX
680071
Total score
3233695
◆

Memory

7 specifications

RAM capacity
12 GB
Memory type
LPDDR5X
Memory frequency
5300 MHz
Memory channels
4
Storage capacity
256 GB
Storage type
UFS 4.1
Memory card
No
✦

Software

4 specifications

Operating system
Android 16
UI skin
HyperOS 3
OS updates
4 years
Security updates
6 years
⌁

Battery

7 specifications

Capacity
8550 mAh
Max charging power
100 W
Battery type
Silicon-carbon (Si/C)
Removable
No
Wireless charging
No
Reverse charging
Yes
Fast charging
Yes
◉

Main camera

16 specifications

Sensor type
50 MP
Photo resolution
8 MP
Zoom
Цифровой
Flash
Dual LED
Stabilization
Digital
8K video recording
Up to 30 fps
4K video recording
Up to 60 fps
1080p video recording
Up to 60 fps
Slow-motion recording
1920 fps (710p)
Number of lenses
1) Standard: 50 MP 2) Ultrawide: 8 MP
Features
- Bokeh effect - Pro mode
Aperture
f/2.2
Focal length
15 mm
Sensor size
1/4.0" (≈ 0.25 inches)
Pixel size
1.14 micron
Autofocus
Phase-detection autofocus
◉

Front camera

7 specifications

Megapixels
20 MP
Photo resolution
5184 x 3888
Aperture
f/2.2
Autofocus
No
Stabilization
Digital
Video resolution
1080p (Full HD) at 60 FPS
Depth sensor (TOF 3D)
No
◇

Connectivity

20 specifications

Wi-Fi version
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
Bluetooth version
5.4
Bluetooth features
LE
USB type
USB Type-C
USB version
2
USB features
- Charging - USB mass storage mode - OTG
DisplayPort
No
GPS
GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC
NFC*
Yes
Infrared port
Yes
Number of SIMs*
2
SIM type
Nano
SIM mode
Dual standby
eSIM support*
No
Hybrid slot
No
2G networks
GSM B3/B5/B8
3G networks
WCDMA B1/B4/B5/B6/B8/B19
4G networks
LTE B1/B3/B4/B5/B7/B8/B19/B28/B66/B34/B38/B39/B40/B41/B42/B48
5G support
Yes
◇

Audio

4 specifications

Speakers
2.1
3.5 mm audio jack
No
FM radio
No
Dolby Atmos
Yes
◇

Other

5 specifications

Class
Flagship
Release date
Июнь 2026 years
Sales start date
Июнь 2026 years
Sensors
- Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint scanner
Charger included
Да, 100 W
◉

Cameras

Camera modules and shooting capabilities

Main camera

50 MP
Sensor resolution
50 MP
Photo resolution
8192 x 6144
Zoom
Цифровой
Flash
Dual LED
Stabilization
Optical
8K video recording
Up to 30 fps
4K video recording
Up to 60 fps
1080p video recording
Up to 60 fps
Slow-motion recording
1920 fps (710p)
Number of lenses
1) Standard: 50 MP 2) Ultrawide: 8 MP
Features
- Bokeh effect - Pro mode
Photo resolution
50 MP
Aperture
f/1.7
Focal length
24 mm
Sensor size
1/1.55" (≈ 0.65 inches)
Pixel size
1 micron
Autofocus
Phase-detection autofocus
Photo resolution
8 MP
Aperture
f/2.2
Focal length
15 mm
Sensor size
1/4.0" (≈ 0.25 inches)
Pixel size
1.14 micron
Stabilization
Digital

Front camera

20 MP
Megapixels
20 MP
Photo resolution
5184 x 3888
Aperture
f/2.2
Autofocus
No
Stabilization
Digital
Video resolution
1080p (Full HD) at 60 FPS
Depth sensor (TOF 3D)
No
⚡

Benchmarks

Synthetic benchmark results

Performance Chipset Qualcomm Snapdragon 8 Elite
Performance Max clock speed 4320 MHz
Performance CPU cores 8 (2 + 6)
Performance Architecture - 6 cores at 3.53 GHz: Oryon (Phoenix M)- 2 cores at 4.32 GHz: Oryon (Phoenix L)
Performance L3 cache 8 MB
Performance Manufacturing process TSMC
Performance Transistor size 3 nm
Performance Neural processor Hexagon
Performance Graphics Adreno 830
Performance GPU cores 1536
Performance GPU frequency 1100 MHz
Performance FLOPS ~3379.2 GFLOPS
Benchmarks Compute Score (GPU) 24370
Benchmarks Single-core score 3261
Benchmarks Multi-core score 10224
Benchmarks CPU 924949
Benchmarks GPU 1161971
Benchmarks Memory 466704
Benchmarks UX 680071
Benchmarks Total score 3233695

Frequently compared

Popular smartphones