Home Phone comparison Xiaomi Redmi K70 Ultra and Xiaomi Redmi K90 - Which is better?

Xiaomi Redmi K70 Ultra vs Xiaomi Redmi K90

82 out 100
Xiaomi Redmi K70 Ultra
VS
91 out 100
Xiaomi Redmi K90
Xiaomi Redmi K70 Ultra
Xiaomi Redmi K90

Compared 2 smartphones : Xiaomi Redmi K70 Ultra Manufactured in July, 2024, with display 6.67 with chipsetMediaTek Dimensity 9300 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 Xiaomi Redmi K70 Ultra
  • Larger display: 6.67in
  • Higher refresh rate: 144Hz
Reasons to choose Xiaomi Redmi K90
  • Lighter design: 206g vs 211g
  • Higher battery capacity: 7100mAh vs 5500mAh

Versions

Available versions and configurations
Memory Options - 12/256 GB
- 12/512 GB
- 16/512 GB
- 16/1024 GB
- 24/1024 GB		 - 12/256 GB
- 12/512 GB
- 16/256 GB
- 16/512 GB
- 16/1024 GB

Review

Key Specs Xiaomi Redmi K70 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
Adjust each parameter’s importance to find the best match for you.
Customize your score
Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Xiaomi Redmi K70 Ultra
vs
Xiaomi Redmi K90

Display

Display quality comparison
Type OLED OLED
Size 6.67 in 6.59 in
Resolution 1220x2712 pixels 1156x2510 pixels
Aspect ratio 20:9 19.5:9
Pixel density 446 ppi n/a
Refresh rate 144 Hz 120 Hz
Adaptive refresh rate Yes Yes (1-120 Hz)
Max brightness 4000 nits n/a
HDR support Yes Dolby Vision Yes, Dolby Vision
Touch Sampling Rate 480 Hz 480 Hz
Screen-to-body ratio 89.1 % 89.9 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 160.4 mm (6.31 in) 157.49 mm (6.2 in)
Width 75.1 mm (2.96 in) 75.25 mm (2.96 in)
Thickness 8.4 mm (0.33 in) 8 mm (0.31 in)
Weight 211 g (7.44 oz) 206 g (7.27 oz)
Water resistance IP68 IP68
Cooling system Vapor chamber Vapor chamber
Back panel Glass n/a
Frame Metal Metal
Colors - White
- Black
- Green
- Orange
- Purple		 - White
- Black
- Blue
- Purple
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi Redmi K70 Ultra
89.1 %
Xiaomi Redmi K90
89.9 %

Performance

Testing Xiaomi Redmi K70 Ultra and Xiaomi Redmi K90 In benchmarks
Processor
Chipset MediaTek Dimensity 9300 Plus Qualcomm Snapdragon 8 Elite
Max Frequency 3400 MHz 4470 MHz
CPU Cores 8 (1 + 3 + 4) 8 (2 + 6)
Architecture - 4/2 (Cortex-A720)
- 3/2.85 (Cortex-X4)
- 1/3.4 (Cortex-X4)		 - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))
Process TSMC TSMC
Transistor Size 4 nm 3 nm
Neural Processor MediaTek APU 790 Hexagon
Graphics Mali-G720 Immortalis MP12 Adreno 830
GPU Cores 1536 1536
GPU Frequency 1300 MHz 1100 MHz
FLOPS 3993.6 GFLOPS 3379.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi K70 Ultra
2224
Xiaomi Redmi K90
2856
Geekbench 6 (Multi-Core)
Xiaomi Redmi K70 Ultra
7415
Xiaomi Redmi K90
8814
Geekbench 6 (Single-Core)22242856
Geekbench 6 (Multi-Core)74158814
Geekbench Compute (GPU)1581024427
Sources: Geekbench v6 [Xiaomi Redmi K70 Ultra], [Xiaomi Redmi K90]
AnTuTu 10
AnTuTu 10
Xiaomi Redmi K70 Ultra
2149581
Xiaomi Redmi K90
3218814
CPU502823916055
GPU8556381150313
Memory428947513749
UX362173638697
NanoReview Score21495813218814
3DMark Wild Life
3DMark Wild Life
Xiaomi Redmi K70 Ultra
13463
Xiaomi Redmi K90
n/a
Stability70 %n/a
Graphics Test80 fpsn/a
Graphics Score13463n/a
Sources: 3DMark [Xiaomi Redmi K70 Ultra]
PCMark 3.0
PCMark 3.0
Xiaomi Redmi K70 Ultra
15188
Xiaomi Redmi K90
n/a
Writing score17583n/a
Web score15413n/a
Video editing6546n/a
Data manipulation14781n/a
NanoReview Score15188n/a

Memory

RAM
RAM Size - 12 GB
- 16 GB
- 24 GB		 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 4800 MHz 5300 MHz
Channels 4 4
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB		256 GB
Storage TypeUFS 4.0UFS 4.1
Memory CardNoNo

Software

OS Android 14 Android 16
UI Skin HyperOS 1.0 HyperOS 3

Battery

Volume 5500 mAh 7100 mAh
Max Charging Power 120 W 100 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging No No
Reverse Charging No Yes
Fast Charging Yes (50% in 12 min) Yes
Full Charge Time 0:24 h n/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Digital Optical, 2.5x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) 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 960 fps (1080p) 960 fps (1080p)
Wide-angle lens 119 ° 120 °
Lenses count Standard: 50 MP
Ultra-wide: 8 MP
Macro: 2 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/1.7f/1.9
Focal length23 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
SensorSamsung S5KJN1Omnivision OV08F
Sensor size1/4.0n/a
Pixel size1.12 μmn/a
StabilizationDigitalDigital

Front camera

Matrix 20 MP 20 MP
Aperture n/a f/2.2
Sensor Omnivision OV20B Omnivision OV20B
Sensor size 1/2.0 1/4
Pixel size n/a 0.8 μm
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) 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 features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- 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

Speakers Stereo n/a
3.5 mm Jack No No
FM Radio n/a No

Other

Class Flagship Flagship
Announced July, 2024 yr October, 2025 yr
Release Date July, 2024 yr October, 2025 yr
Launch Price ($) 360 n/a
MSRP ($) 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 120 W Yes, 100 W

Note

Xiaomi Redmi K70 Ultra:

Also known as Redmi K70 Extreme Edition in China.

* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

No clear favorite identified yet; updates may follow as new data arrives.

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