Screen size
Redmi K90 MaxWinner: 6.8"+2.3%
Redmi Turbo 46.7"
Quick verdict
Redmi K90 Max leads the measured specs 10-4.
Measured wins
Redmi K90 Max
10
spec wins
Overall winner
Ties
9
equal specs
Redmi Turbo 4
4
spec wins
Screen size
Technology
Redmi K90 Max
GSM / HSPA / LTE / 5G
Redmi Turbo 4
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
2G bands
Redmi K90 Max
GSM 850 / 900 / 1800 / 1900
Redmi Turbo 4
GSM 850 / 900 / 1800 / 1900 , CDMA 800
3G bands
Redmi K90 Max
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Redmi Turbo 4
HSDPA 800 / 850 / 900 / 1700(AWS) / 2100 , CDMA2000 1x
4G bands
Redmi K90 Max
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
equal specsFront camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
equal specs1, 3, 4, 5, 7, 8, 19, 28, 34, 38, 39, 40, 41, 42, 43, 48, 66
Redmi Turbo 4
1, 3, 4, 5, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66
5G bands
Redmi K90 Max
1, 3, 5, 7, 8, 28, 34, 38, 39, 40, 41, 48, 77, 78 SA/NSA
Redmi Turbo 4
1, 3, 5, 8, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA/Sub6
Speed
Redmi K90 Max
HSPA, LTE, 5G
Redmi Turbo 4
HSPA, LTE, 5G
Announced
Redmi K90 Max
2026, April 21
Redmi Turbo 4
2025, January 02
Status
Redmi K90 Max
Available. Released 2026, April 21
Redmi Turbo 4
Available. Released 2025, January 02
Dimensions
Redmi K90 Max
162.9 x 77.9 x 8.2 mm (6.41 x 3.07 x 0.32 in)
Redmi Turbo 4
161 x 75.2 x 8.1 mm (6.34 x 2.96 x 0.32 in)
Weight
Redmi K90 Max
227 g (8.01 oz)
Redmi Turbo 4
203.5 g (7.20 oz)
Build
Redmi K90 Max
Glass front (Dragon Crystal Glass), aluminum frame, glass-fiber reinforced plastic back or silicone polymer back
Redmi Turbo 4
-
SIM
Redmi K90 Max
Nano-SIM + Nano-SIM
Redmi Turbo 4
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 Turbo 4
IP68 dust tight and water resistant (immersible up to 2m for 30 min)
Type
Redmi K90 Max
AMOLED, 68B colors, 165Hz, Dolby Vision, HDR10+, HDR Vivid, 3500 nits (peak)
Redmi Turbo 4
AMOLED, 68B colors, 120Hz, 1920Hz PWM, Dolby Vision, HDR10+, HDR Vivid, 1400 nits (HBM), 3200 nits (peak)
Size
Redmi K90 Max
6.83 inches, 114.5 cm2 (~90.3% screen-to-body ratio)
Redmi Turbo 4
6.67 inches, 107.4 cm2 (~88.7% screen-to-body ratio)
Resolution
Redmi K90 Max
1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density)
Redmi Turbo 4
1220 x 2712 pixels, 20:9 ratio (~446 ppi density)
Protection
Redmi K90 Max
Dragon Crystal Glass
Redmi Turbo 4
-
OS
Redmi K90 Max
Android 16, HyperOS 3
Redmi Turbo 4
Android 15, HyperOS 2
Chipset
Redmi K90 Max
MediaTek Dimensity 9500 (3 nm)
Redmi Turbo 4
Mediatek Dimensity 8400 Ultra (4 nm)
CPU
Redmi K90 Max
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
Redmi Turbo 4
Octa-core (1x3.25 GHz Cortex-A725 & 3x3.0 GHz Cortex-A725 & 4x2.1 GHz Cortex-A725)
GPU
Redmi K90 Max
Mali-G1 Ultra MC12
Redmi Turbo 4
G720 MC7
Card slot
Redmi K90 Max
No
Redmi Turbo 4
No
Internal
Redmi K90 Max
256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
Redmi Turbo 4
256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM
Other
Redmi K90 Max
UFS 4.1
Redmi Turbo 4
UFS 4.0
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 Turbo 4
50 MP, f/1.5, 26mm (wide), 1/1.95", 0.8µm, PDAF, OIS 8 MP, f/2.2, 15mm (ultrawide), 1/4.0", 1.12µm
Features
Redmi K90 Max
LED flash, HDR, panorama
Redmi Turbo 4
LED flash, HDR, panorama
Video
Redmi K90 Max
8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS
Redmi Turbo 4
4K@24/30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS
Single
Redmi K90 Max
20 MP (wide)
Redmi Turbo 4
20 MP, f/2.2, (wide), 1/4"
Features
Redmi K90 Max
HDR
Redmi Turbo 4
-
Video
Redmi K90 Max
1080p@30/60fps
Redmi Turbo 4
1080p@30fps
Loudspeaker
Redmi K90 Max
Yes, with stereo speakers (with Dolby Atmos)
Redmi Turbo 4
Yes, with stereo speakers
3.5mm jack
Redmi K90 Max
No
Redmi Turbo 4
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 Turbo 4
24-bit/192kHz Hi-Res & Hi-Res Wireless audio
WLAN
Redmi K90 Max
Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
Redmi Turbo 4
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Bluetooth
Redmi K90 Max
5.4, A2DP, LE, LHDC 5, Auracast, ASHA, MIHC
Redmi Turbo 4
6.0, A2DP, LE, aptX, LHDC 5
Positioning
Redmi K90 Max
GPS (L1+L5), BDS (B1I+B1c+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), GLONASS, NavIC
Redmi Turbo 4
GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
NFC
Redmi K90 Max
Yes
Redmi Turbo 4
Yes
Infrared port
Redmi K90 Max
Yes
Redmi Turbo 4
Yes
Radio
Redmi K90 Max
No
Redmi Turbo 4
No
USB
Redmi K90 Max
USB Type-C
Redmi Turbo 4
USB Type-C 2.0, OTG
Sensors
Redmi K90 Max
Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass
Redmi Turbo 4
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
Redmi K90 Max
8550 mAh
Redmi Turbo 4
Si/C Li-Ion 6550 mAh
Charging
Redmi K90 Max
100W wired, 100W PPS, PD3.0 22.5W reverse wired
Redmi Turbo 4
90W wired, PD3.0, QC3+, 100% in 45 min
Colors
Redmi K90 Max
Silver, Blue, Black
Redmi Turbo 4
Black, White, Blue
Price
Redmi K90 Max
About 440 EUR
Redmi Turbo 4
About 270 EUR
Models
Redmi K90 Max
-
Redmi Turbo 4
24129RT7CC