Screen size
Redmi K906.6"
Redmi Note 15 SpecialWinner: 6.8"+2.7%
Quick verdict
Redmi K90 leads the measured specs 12-6.
Measured wins
Redmi K90
12
spec wins
Overall winner
Ties
5
equal specs
Redmi Note 15 Special
6
spec wins
Screen size
Technology
Redmi K90
GSM / HSPA / LTE / 5G
Redmi Note 15 Special
GSM / HSPA / LTE / 5G
2G bands
Redmi K90
GSM 850 / 900 / 1800 / 1900
Redmi Note 15 Special
GSM 850 / 900 / 1800 / 1900
3G bands
Redmi K90
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
Redmi Note 15 Special
HSDPA 850 / 900 / 2100
4G bands
Redmi K90
1, 3, 4, 5, 7, 8, 19, 28, 34, 38, 39, 40, 41, 42, 48, 66
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
equal specsSD card
Stereo speakers
equal specsRedmi Note 15 Special
1, 3, 5, 8, 28, 40, 41
5G bands
Redmi K90
1, 3, 5, 7, 8, 28, 66, 38, 40, 41, 48, 77, 78 SA/NSA
Redmi Note 15 Special
1, 3, 5, 8, 28, 40, 78 SA/NSA
Speed
Redmi K90
HSPA, LTE, 5G
Redmi Note 15 Special
HSPA, LTE, 5G
Announced
Redmi K90
2025, October 23
Redmi Note 15 Special
2026, April 02
Status
Redmi K90
Available. Released 2025, October 23
Redmi Note 15 Special
Released Apr 7, 2026
Dimensions
Redmi K90
157.5 x 75.3 x 8 mm (6.20 x 2.96 x 0.31 in)
Redmi Note 15 Special
164.0 x 75.4 x 7.4 mm or 7.8 mm
Weight
Redmi K90
206 g (7.27 oz)
Redmi Note 15 Special
178 g or 182 g (6.28 oz)
Build
Redmi K90
Glass front, aluminum frame
Redmi Note 15 Special
-
SIM
Redmi K90
Nano-SIM + Nano-SIM
Redmi Note 15 Special
Nano-SIM + Nano-SIM
Other
Redmi K90
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Redmi Note 15 Special
Drop resistant up to 1.7m MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions IP66 dust tight and water resistant (high pressure water jets)
Type
Redmi K90
AMOLED, 68B colors, 2560Hz PWM, 120Hz, Dolby Vision, HDR Vivid, HDR10+, 3500 nits (peak)
Redmi Note 15 Special
AMOLED, 68B colors, 120Hz, 3840Hz PWM, 800 nits (typ), 3200 nits (peak)
Size
Redmi K90
6.59 inches, 106.5 cm2 (~89.8% screen-to-body ratio)
Redmi Note 15 Special
6.77 inches, 110.9 cm2 (~89.7% screen-to-body ratio)
Resolution
Redmi K90
1156 x 2510 pixels, 19.5:9 ratio (~419 ppi density)
Redmi Note 15 Special
1080 x 2392 pixels (~388 ppi density)
OS
Redmi K90
Android 16, HyperOS 3
Redmi Note 15 Special
Android 15, up to 4 major Android upgrades, HyperOS 2
Chipset
Redmi K90
Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm)
Redmi Note 15 Special
Qualcomm SM6475-AB Snapdragon 6 Gen 3 (4 nm)
CPU
Redmi K90
Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
Redmi Note 15 Special
Octa-core (4x2.4 GHz Cortex-A78 & 4x1.8 GHz Cortex-A55)
GPU
Redmi K90
Adreno 830
Redmi Note 15 Special
Adreno 710
Card slot
Redmi K90
No
Redmi Note 15 Special
microSDXC (uses shared SIM slot)
Internal
Redmi K90
256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
Redmi Note 15 Special
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Other
Redmi K90
UFS
Redmi Note 15 Special
UFS 2.2
Triple
Redmi K90
50 MP, f/1.9, 24mm (wide), 1/1.55", 1.0µm, PDAF, OIS 50 MP, f/2.2, 60mm (telephoto), PDAF, 2.5x optical zoom 8 MP, f/2.2, 15mm, 120˚ (ultrawide)
Redmi Note 15 Special
-
Features
Redmi K90
Color spectrum sensor, LED flash, HDR, panorama
Redmi Note 15 Special
LED flash, HDR, panorama
Video
Redmi K90
8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+
Redmi Note 15 Special
4K@30fps, 1080p@30fps, gyro-EIS
Dual
Redmi K90
-
Redmi Note 15 Special
50 MP, f/1.8, (wide), 1/2.88", 0.61µm, PDAF Auxiliary lens
Single
Redmi K90
20 MP, (wide), 1/2.0", 0.8µm
Redmi Note 15 Special
20 MP, f/2.2, (wide), 1/4"
Video
Redmi K90
1080p@30/60fps
Redmi Note 15 Special
1080p@30fps
Loudspeaker
Redmi K90
Yes, with stereo speakers
Redmi Note 15 Special
Yes, with stereo speakers (with Dolby Atmos)
3.5mm jack
Redmi K90
No
Redmi Note 15 Special
No
Other
Redmi K90
Tuned by Bose 24-bit/192kHz Hi-Res & Hi-Res wireless audio
Redmi Note 15 Special
24-bit/192kHz Hi-Res audio
WLAN
Redmi K90
Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
Redmi Note 15 Special
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
Redmi K90
5.4, A2DP, LE, LHDC 5.0, ASHA
Redmi Note 15 Special
5.1, A2DP, LE
Positioning
Redmi K90
GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC, GLONASS
Redmi Note 15 Special
GPS, GALILEO, GLONASS, QZSS, BDS
NFC
Redmi K90
Yes
Redmi Note 15 Special
No
Infrared port
Redmi K90
Yes
Redmi Note 15 Special
Yes
Radio
Redmi K90
No
Redmi Note 15 Special
No
USB
Redmi K90
USB Type-C, OTG
Redmi Note 15 Special
USB Type-C 2.0, OTG
Sensors
Redmi K90
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
Redmi Note 15 Special
Fingerprint (under display, optical), accelerometer, gyro, compass
Other
Redmi K90
-
Redmi Note 15 Special
Virtual proximity sensing
Type
Redmi K90
Si/C Li-Po 7100 mAh
Redmi Note 15 Special
Li-Ion 5800 mAh
Charging
Redmi K90
100W wired, PD3.0, QC3+, 100W PPS 22.5W reverse wired
Redmi Note 15 Special
45W wired 18W reverse wired
Colors
Redmi K90
Black, White, Blue, Purple
Redmi Note 15 Special
Crimson Reserve red, Carbon Black, Frosted White
Models
Redmi K90
2510DRK44C
Redmi Note 15 Special
-
Price
Redmi K90
About 350 EUR
Redmi Note 15 Special
About 190 EUR