Screen size
Redmi K90 MaxWinner: 6.8"+0.9%
Redmi Note 15 Special6.8"
Quick verdict
Redmi K90 Max leads the measured specs 12-4.
Measured wins
Redmi K90 Max
12
spec wins
Overall winner
Ties
7
equal specs
Redmi Note 15 Special
4
spec wins
Screen size
Technology
Redmi K90 Max
GSM / HSPA / LTE / 5G
Redmi Note 15 Special
GSM / HSPA / LTE / 5G
2G bands
Redmi K90 Max
GSM 850 / 900 / 1800 / 1900
Redmi Note 15 Special
GSM 850 / 900 / 1800 / 1900
3G bands
Redmi K90 Max
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Redmi Note 15 Special
HSDPA 850 / 900 / 2100
4G bands
Redmi K90 Max
1, 3, 4, 5, 7, 8, 19, 28, 34, 38, 39, 40, 41, 42, 43, 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
equal specsBluetooth
equal specsUSB
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 Max
1, 3, 5, 7, 8, 28, 34, 38, 39, 40, 41, 48, 77, 78 SA/NSA
Redmi Note 15 Special
1, 3, 5, 8, 28, 40, 78 SA/NSA
Speed
Redmi K90 Max
HSPA, LTE, 5G
Redmi Note 15 Special
HSPA, LTE, 5G
Announced
Redmi K90 Max
2026, April 21
Redmi Note 15 Special
2026, April 02
Status
Redmi K90 Max
Available. Released 2026, April 21
Redmi Note 15 Special
Released Apr 7, 2026
Dimensions
Redmi K90 Max
162.9 x 77.9 x 8.2 mm (6.41 x 3.07 x 0.32 in)
Redmi Note 15 Special
164.0 x 75.4 x 7.4 mm or 7.8 mm
Weight
Redmi K90 Max
227 g (8.01 oz)
Redmi Note 15 Special
178 g or 182 g (6.28 oz)
Build
Redmi K90 Max
Glass front (Dragon Crystal Glass), aluminum frame, glass-fiber reinforced plastic back or silicone polymer back
Redmi Note 15 Special
-
SIM
Redmi K90 Max
Nano-SIM + Nano-SIM
Redmi Note 15 Special
Nano-SIM + Nano-SIM
Other
Redmi K90 Max
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) Built-in cooling fan
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 Max
AMOLED, 68B colors, 165Hz, Dolby Vision, HDR10+, HDR Vivid, 3500 nits (peak)
Redmi Note 15 Special
AMOLED, 68B colors, 120Hz, 3840Hz PWM, 800 nits (typ), 3200 nits (peak)
Size
Redmi K90 Max
6.83 inches, 114.5 cm2 (~90.3% screen-to-body ratio)
Redmi Note 15 Special
6.77 inches, 110.9 cm2 (~89.7% screen-to-body ratio)
Resolution
Redmi K90 Max
1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density)
Redmi Note 15 Special
1080 x 2392 pixels (~388 ppi density)
Protection
Redmi K90 Max
Dragon Crystal Glass
Redmi Note 15 Special
-
OS
Redmi K90 Max
Android 16, HyperOS 3
Redmi Note 15 Special
Android 15, up to 4 major Android upgrades, HyperOS 2
Chipset
Redmi K90 Max
MediaTek Dimensity 9500 (3 nm)
Redmi Note 15 Special
Qualcomm SM6475-AB Snapdragon 6 Gen 3 (4 nm)
CPU
Redmi K90 Max
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
Redmi Note 15 Special
Octa-core (4x2.4 GHz Cortex-A78 & 4x1.8 GHz Cortex-A55)
GPU
Redmi K90 Max
Mali-G1 Ultra MC12
Redmi Note 15 Special
Adreno 710
Card slot
Redmi K90 Max
No
Redmi Note 15 Special
microSDXC (uses shared SIM slot)
Internal
Redmi K90 Max
256GB 12GB RAM, 256GB 16GB 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 Max
UFS 4.1
Redmi Note 15 Special
UFS 2.2
Dual
Redmi K90 Max
50 MP, f/1.7, 24mm (wide), 1/1.55", 1.0µm, PDAF, OIS 8 MP, f/2.2, (ultrawide), 1/4.0", 1.12µm
Redmi Note 15 Special
50 MP, f/1.8, (wide), 1/2.88", 0.61µm, PDAF Auxiliary lens
Features
Redmi K90 Max
LED flash, HDR, panorama
Redmi Note 15 Special
LED flash, HDR, panorama
Video
Redmi K90 Max
8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS
Redmi Note 15 Special
4K@30fps, 1080p@30fps, gyro-EIS
Single
Redmi K90 Max
20 MP (wide)
Redmi Note 15 Special
20 MP, f/2.2, (wide), 1/4"
Features
Redmi K90 Max
HDR
Redmi Note 15 Special
-
Video
Redmi K90 Max
1080p@30/60fps
Redmi Note 15 Special
1080p@30fps
Loudspeaker
Redmi K90 Max
Yes, with stereo speakers (with Dolby Atmos)
Redmi Note 15 Special
Yes, with stereo speakers (with Dolby Atmos)
3.5mm jack
Redmi K90 Max
No
Redmi Note 15 Special
No
Other
Redmi K90 Max
Tuned by Bose Bose 2.1 stereo sound system with a woofer 24-bit/192kHz Hi-Res & Hi-Res wireless audio
Redmi Note 15 Special
24-bit/192kHz Hi-Res audio
WLAN
Redmi K90 Max
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 Max
5.4, A2DP, LE, LHDC 5, Auracast, ASHA, MIHC
Redmi Note 15 Special
5.1, A2DP, LE
Positioning
Redmi K90 Max
GPS (L1+L5), BDS (B1I+B1c+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), GLONASS, NavIC
Redmi Note 15 Special
GPS, GALILEO, GLONASS, QZSS, BDS
NFC
Redmi K90 Max
Yes
Redmi Note 15 Special
No
Infrared port
Redmi K90 Max
Yes
Redmi Note 15 Special
Yes
Radio
Redmi K90 Max
No
Redmi Note 15 Special
No
USB
Redmi K90 Max
USB Type-C
Redmi Note 15 Special
USB Type-C 2.0, OTG
Sensors
Redmi K90 Max
Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass
Redmi Note 15 Special
Fingerprint (under display, optical), accelerometer, gyro, compass
Other
Redmi K90 Max
-
Redmi Note 15 Special
Virtual proximity sensing
Type
Redmi K90 Max
8550 mAh
Redmi Note 15 Special
Li-Ion 5800 mAh
Charging
Redmi K90 Max
100W wired, 100W PPS, PD3.0 22.5W reverse wired
Redmi Note 15 Special
45W wired 18W reverse wired
Colors
Redmi K90 Max
Silver, Blue, Black
Redmi Note 15 Special
Crimson Reserve red, Carbon Black, Frosted White
Price
Redmi K90 Max
About 440 EUR
Redmi Note 15 Special
About 190 EUR