Screen size
Redmi K90 Pro MaxWinner: 6.9"+1.9%
Redmi Note 15 Special6.8"
Quick verdict
Redmi K90 Pro Max leads the measured specs 15-4.
Measured wins
Redmi K90 Pro Max
15
spec wins
Overall winner
Ties
4
equal specs
Redmi Note 15 Special
4
spec wins
Screen size
Technology
Redmi K90 Pro Max
GSM / HSPA / LTE / 5G
Redmi Note 15 Special
GSM / HSPA / LTE / 5G
2G bands
Redmi K90 Pro Max
GSM 850 / 900 / 1800 / 1900
Redmi Note 15 Special
GSM 850 / 900 / 1800 / 1900
3G bands
Redmi K90 Pro Max
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
Redmi Note 15 Special
HSDPA 850 / 900 / 2100
4G bands
Redmi K90 Pro Max
1, 3, 4, 5, 7, 8, 18, 19, 26, 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
Battery
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 Pro Max
1, 3, 5, 7, 8, 18, 26, 28, 38, 40, 41, 48, 66, 77, 78, 80, 81, 83, 84, 89 SA/NSA
Redmi Note 15 Special
1, 3, 5, 8, 28, 40, 78 SA/NSA
Speed
Redmi K90 Pro Max
HSPA, LTE, 5G
Redmi Note 15 Special
HSPA, LTE, 5G
Announced
Redmi K90 Pro Max
2025, October 23
Redmi Note 15 Special
2026, April 02
Status
Redmi K90 Pro Max
Available. Released 2025, October 23
Redmi Note 15 Special
Released Apr 7, 2026
Dimensions
Redmi K90 Pro Max
163.3 x 77.8 x 7.9 mm (6.43 x 3.06 x 0.31 in)
Redmi Note 15 Special
164.0 x 75.4 x 7.4 mm or 7.8 mm
Weight
Redmi K90 Pro Max
218 g (7.69 oz)
Redmi Note 15 Special
178 g or 182 g (6.28 oz)
Build
Redmi K90 Pro Max
Glass front (Dragon Crystal Glass), aluminum alloy frame, fiber-reinforced plastic back or silicone polymer back
Redmi Note 15 Special
-
SIM
Redmi K90 Pro Max
Nano-SIM + Nano-SIM
Redmi Note 15 Special
Nano-SIM + Nano-SIM
Other
Redmi K90 Pro Max
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 Pro Max
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 Pro Max
6.9 inches, 116.6 cm2 (~91.8% screen-to-body ratio)
Redmi Note 15 Special
6.77 inches, 110.9 cm2 (~89.7% screen-to-body ratio)
Resolution
Redmi K90 Pro Max
1200 x 2608 pixels, 19.5:9 ratio (~416 ppi density)
Redmi Note 15 Special
1080 x 2392 pixels (~388 ppi density)
Protection
Redmi K90 Pro Max
Xiaomi Dragon Crystal Glass
Redmi Note 15 Special
-
OS
Redmi K90 Pro Max
Android 16, HyperOS 3
Redmi Note 15 Special
Android 15, up to 4 major Android upgrades, HyperOS 2
Chipset
Redmi K90 Pro Max
Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)
Redmi Note 15 Special
Qualcomm SM6475-AB Snapdragon 6 Gen 3 (4 nm)
CPU
Redmi K90 Pro Max
Octa-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M)
Redmi Note 15 Special
Octa-core (4x2.4 GHz Cortex-A78 & 4x1.8 GHz Cortex-A55)
GPU
Redmi K90 Pro Max
Adreno 840
Redmi Note 15 Special
Adreno 710
Card slot
Redmi K90 Pro Max
No
Redmi Note 15 Special
microSDXC (uses shared SIM slot)
Internal
Redmi K90 Pro Max
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 Pro Max
UFS 4.1
Redmi Note 15 Special
UFS 2.2
Triple
Redmi K90 Pro Max
50 MP, f/1.7, 23mm (wide), 1/1.31", 1.2µm, dual pixel PDAF, OIS 50 MP, f/3.0, 115mm (periscope telephoto), 1/2.76", 0.64µm, PDAF (30cm - ∞), OIS, 5x optical zoom 50 MP, f/2.4, 18mm, 102˚ (ultrawide), 1/2.88", 0.61µm
Redmi Note 15 Special
-
Features
Redmi K90 Pro Max
Color spectrum sensor, LED flash, HDR, panorama
Redmi Note 15 Special
LED flash, HDR, panorama
Video
Redmi K90 Pro Max
8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS, HDR10+
Redmi Note 15 Special
4K@30fps, 1080p@30fps, gyro-EIS
Dual
Redmi K90 Pro Max
-
Redmi Note 15 Special
50 MP, f/1.8, (wide), 1/2.88", 0.61µm, PDAF Auxiliary lens
Single
Redmi K90 Pro Max
32 MP, f/2.2, 21mm (wide), 1/3.44", 0.64µm
Redmi Note 15 Special
20 MP, f/2.2, (wide), 1/4"
Video
Redmi K90 Pro Max
4K@30fps, 1080p@30/60fps
Redmi Note 15 Special
1080p@30fps
Loudspeaker
Redmi K90 Pro Max
Yes, with stereo speakers (with Dolby Atmos)
Redmi Note 15 Special
Yes, with stereo speakers (with Dolby Atmos)
3.5mm jack
Redmi K90 Pro Max
No
Redmi Note 15 Special
No
Other
Redmi K90 Pro 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 Pro 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 Pro Max
5.4, A2DP, LE, LHDC 5.0, ASHA, MIHC
Redmi Note 15 Special
5.1, A2DP, LE
Positioning
Redmi K90 Pro Max
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 Pro Max
Yes
Redmi Note 15 Special
No
Infrared port
Redmi K90 Pro Max
Yes
Redmi Note 15 Special
Yes
Radio
Redmi K90 Pro Max
No
Redmi Note 15 Special
No
USB
Redmi K90 Pro Max
USB Type-C 3.2, Display Port, OTG
Redmi Note 15 Special
USB Type-C 2.0, OTG
Sensors
Redmi K90 Pro Max
Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass
Redmi Note 15 Special
Fingerprint (under display, optical), accelerometer, gyro, compass
Other
Redmi K90 Pro Max
-
Redmi Note 15 Special
Virtual proximity sensing
Type
Redmi K90 Pro Max
Si/C Li-Ion 7560 mAh
Redmi Note 15 Special
Li-Ion 5800 mAh
Charging
Redmi K90 Pro Max
100W wired, PD3.0, QC3+, 100W PPS 50W wireless 22.5W reverse wireless
Redmi Note 15 Special
45W wired 18W reverse wired
Colors
Redmi K90 Pro Max
Black, White, Denim Blue, Lamborgini White
Redmi Note 15 Special
Crimson Reserve red, Carbon Black, Frosted White
Price
Redmi K90 Pro Max
About 500 EUR
Redmi Note 15 Special
About 190 EUR