Category Breakdown
Xiaomi Redmi K80 Ultra
Xiaomi Redmi K90
Performance
98.799.7
Camera
95.496.4
Display
100.097.0
Battery
99.897.7
Build
91.493.0
Overall
97.196.8
Summary
- The Xiaomi Redmi K80 Ultra features a larger 6.83-inch OLED display with a higher peak brightness of 3200 nits and a 144Hz refresh rate, while the K90 has a 6.59-inch AMOLED display with a peak brightness of 3500 nits and a 120Hz refresh rate.
- In terms of performance, the K80 Ultra is powered by the Mediatek Dimensity 9400+, whereas the K90 utilizes the Qualcomm Snapdragon 8 Elite, both offering robust capabilities.
- Camera-wise, both models have a 50 MP main sensor with optical image stabilization, but the K90 includes an additional telephoto lens for enhanced versatility.
- The K80 Ultra has a slightly larger 7410 mAh battery compared to the K90's 7100 mAh, both supporting 100W charging.
- Both devices run on HyperOS, with the K80 Ultra on Android 15 and the K90 on Android 16, providing a modern software experience.
- Build quality is similar, with both featuring glass fronts and aluminum frames, but the K90 is lighter at 206g compared to the K80 Ultra's 219g.
Side-by-side Specification Comparison
Xiaomi Redmi K80 Ultra
Xiaomi Redmi K90
General
Release Date
2025, June 26
2025, October 23
Announced
2025, June 26
2025, October 23
Description
Also known as Redmi K80 Extreme Edition
N/A
Display
Size
6.83"
6.59"
Type
OLED, 68B colors, 144Hz, Dolby Vision, HDR10+, HDR Vivid, 1800 nits (HBM), 3200 nits (peak)
AMOLED, 68B colors, 2560Hz PWM, 120Hz, Dolby Vision, HDR Vivid, HDR10+, 3500 nits (peak)
Resolution
1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density)
1156 x 2510 pixels, 19.5:9 ratio (~419 ppi density)
PPI
1280
1156
Refresh Rate
144Hz
2560Hz
Peak Brightness
N/A
N/A
HDR Support
✓
✓
Protection
Scratch/drop-resistant glass
N/A
Performance
Chipset
Mediatek Dimensity 9400+ (3 nm)
Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm)
CPU
Octa-core (1x3.63 GHz Cortex-X925 & 3x3.3 GHz Cortex-X4 & 4x2.4 GHz Cortex-A720)
Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPU
Immortalis-G925
Adreno 830
Memory
256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
Expandable Storage
✗
✗
Card Slot
No
No
Camera
Main Camera
50 MP
50 MP
Main Camera Details
50 MP, f/1.9, 23mm (wide), 1/1.55", 1.0µm, PDAF, OIS8 MP, 119˚ (ultrawide), 1/4.0", 1.12µm
50 MP, f/1.9, 24mm (wide), 1/1.55", 1.0µm, PDAF, OIS50 MP, f/2.2, 60mm (telephoto), PDAF, 2.5x optical zoom8 MP, f/2.2, 15mm, 120˚ (ultrawide)
Front Camera
20 MP
20 MP
Front Camera Details
20 MP, (wide), 1/2.0", 0.8µm
20 MP, (wide), 1/2.0", 0.8µm
Video Recording
8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS
8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+
Selfie Video
1080p@30/60fps
1080p@30/60fps
OIS
✓
✓
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
7410 mAh
7100 mAh
Battery Details
Si/C Li-Ion 7410 mAh
Si/C Li-Po 7100 mAh
Charging Details
100W wired, PD3.0Bypass charging
100W wired, PD3.0, QC3+, 100W PPS22.5W reverse wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
163.1 x 77.9 x 8.2 mm (6.42 x 3.07 x 0.32 in)
157.5 x 75.3 x 8 mm (6.20 x 2.96 x 0.31 in)
Weight
219 g
206 g
Materials
Glass front, aluminum frame
Glass front, aluminum frame
Water Resistance
N/A
N/A
Colors
Gray, White, Blue, Green
Black, White, Blue, Purple
Foldable
✗
✗
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
GSM / HSPA / LTE / 5G
Network Speed
HSPA, LTE, 5G
HSPA, LTE, 5G
5G
✓
✓
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
Bluetooth
5.4, A2DP, LE, LHDC 5
5.4, A2DP, LE, LHDC 5.0, ASHA
NFC
✓
✓
USB
USB Type-C
USB Type-C, OTG
IR Blaster
✗
✗
Headphone Jack
✗
✗
Radio
✗
✗
Positioning
GPS (L1+L5), BDS (B1I+B1C+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), NavIC, GLONASS
GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC, GLONASS
Software
Operating System
Android 15, HyperOS 2
Android 16, HyperOS 3
OS Version
Android 15, HyperOS 2
Android 16, HyperOS 3
Security
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
Audio
Stereo Speakers
✓
✓
Loudspeaker
Yes, with stereo speakers
Yes, with stereo speakers
Audio Jack
No
No

