Screen size
13 Ultra6.7"
Redmi K90 MaxWinner: 6.8"+1.5%
Quick verdict
Redmi K90 Max leads the measured specs 8-6.
Measured wins
13 Ultra
6
spec wins
Ties
9
equal specs
Redmi K90 Max
8
spec wins
Overall winner
Screen size
Technology
13 Ultra
GSM / CDMA / HSPA / EVDO / LTE / 5G
Redmi K90 Max
GSM / HSPA / LTE / 5G
2G bands
13 Ultra
GSM 850 / 900 / 1800 / 1900 , CDMA 800
Redmi K90 Max
GSM 850 / 900 / 1800 / 1900
3G bands
13 Ultra
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 , CDMA2000 1xEV-DO
Redmi K90 Max
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
13 Ultra
1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 38, 40, 41, 66 - International, 1, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26, 34, 38, 39, 40, 41, 42 - China
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
equal specsFront camera
Battery
Wired charging
Weight
equal specsThickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
equal specsRedmi K90 Max
1, 3, 4, 5, 7, 8, 19, 28, 34, 38, 39, 40, 41, 42, 43, 48, 66
5G bands
13 Ultra
1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78, 79 SA/NSA - International, 1, 3, 5, 8, 28, 38, 40, 41, 77, 78, 79 SA/NSA
Redmi K90 Max
1, 3, 5, 7, 8, 28, 34, 38, 39, 40, 41, 48, 77, 78 SA/NSA
Speed
13 Ultra
HSPA, LTE, 5G
Redmi K90 Max
HSPA, LTE, 5G
Announced
13 Ultra
2023, April 18
Redmi K90 Max
2026, April 21
Status
13 Ultra
Available. Released 2023, April 21
Redmi K90 Max
Available. Released 2026, April 21
Dimensions
13 Ultra
163.2 x 74.6 x 9.1 mm (6.43 x 2.94 x 0.36 in)
Redmi K90 Max
162.9 x 77.9 x 8.2 mm (6.41 x 3.07 x 0.32 in)
Weight
13 Ultra
227 g (8.01 oz)
Redmi K90 Max
227 g (8.01 oz)
Build
13 Ultra
Glass front (Gorilla Glass Victus), eco leather back, aluminum frame
Redmi K90 Max
Glass front (Dragon Crystal Glass), aluminum frame, glass-fiber reinforced plastic back or silicone polymer back
SIM
13 Ultra
Nano-SIM + Nano-SIM
Redmi K90 Max
Nano-SIM + Nano-SIM
Other
13 Ultra
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
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
Type
13 Ultra
LTPO AMOLED, 68B colors, 120Hz, Dolby Vision, HDR10+, 1300 nits (HBM), 2600 nits (peak)
Redmi K90 Max
AMOLED, 68B colors, 165Hz, Dolby Vision, HDR10+, HDR Vivid, 3500 nits (peak)
Size
13 Ultra
6.73 inches, 108.9 cm2 (~89.5% screen-to-body ratio)
Redmi K90 Max
6.83 inches, 114.5 cm2 (~90.3% screen-to-body ratio)
Resolution
13 Ultra
1440 x 3200 pixels, 20:9 ratio (~522 ppi density)
Redmi K90 Max
1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density)
Protection
13 Ultra
Corning Gorilla Glass Victus
Redmi K90 Max
Dragon Crystal Glass
OS
13 Ultra
Android 13, upgradable to Android 14, HyperOS
Redmi K90 Max
Android 16, HyperOS 3
Chipset
13 Ultra
Qualcomm SM8550-AB Snapdragon 8 Gen 2 (4 nm)
Redmi K90 Max
MediaTek Dimensity 9500 (3 nm)
CPU
13 Ultra
Octa-core (1x3.2 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510)
Redmi K90 Max
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
GPU
13 Ultra
Adreno 740
Redmi K90 Max
Mali-G1 Ultra MC12
Card slot
13 Ultra
No
Redmi K90 Max
No
Internal
13 Ultra
256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
Redmi K90 Max
256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
Other
13 Ultra
UFS 4.0
Redmi K90 Max
UFS 4.1
Quad
13 Ultra
50 MP, f/1.9 or f/4.0, 23mm (wide), 1.0"-type, 1.6µm, dual pixel PDAF, OIS 50 MP, f/1.8, 75mm (telephoto), 1/2.51", 0.7µm, dual pixel PDAF, OIS, 3.2x optical zoom 50 MP, f/3.0, 120mm (periscope telephoto), 1/2.51", 0.7µm, dual pixel PDAF, OIS, 5x optical zoom 50 MP, f/1.8, 12mm, 122˚ (ultrawide), 1/2.51", 0.7µm, dual pixel PDAF TOF 3D, (depth)
Redmi K90 Max
-
Features
13 Ultra
Laser AF, color spectrum sensor, Leica lenses, Dual-LED flash, HDR, panorama, 67mm filter ring holder (optional)
Redmi K90 Max
LED flash, HDR, panorama
Video
13 Ultra
8K@24fps, 4K@24/30/60fps, 1080p@30/60/120/240/480/960/1920fps, gyro-EIS, Dolby Vision HDR 10-bit rec. (4K@60fps, 1080p)
Redmi K90 Max
8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS
Dual
13 Ultra
-
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
Single
13 Ultra
32 MP, f/2.0, 22mm (wide), 1/3.14", 0.7µm
Redmi K90 Max
20 MP (wide)
Features
13 Ultra
HDR, panorama
Redmi K90 Max
HDR
Video
13 Ultra
1080p@30/60fps, gyro-EIS
Redmi K90 Max
1080p@30/60fps
Loudspeaker
13 Ultra
Yes, with stereo speakers
Redmi K90 Max
Yes, with stereo speakers (with Dolby Atmos)
3.5mm jack
13 Ultra
No
Redmi K90 Max
No
Other
13 Ultra
24-bit/192kHz Hi-Res & Hi-Res Wireless audio
Redmi K90 Max
Tuned by Bose Bose 2.1 stereo sound system with a woofer 24-bit/192kHz Hi-Res & Hi-Res wireless audio
WLAN
13 Ultra
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Redmi K90 Max
Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
Bluetooth
13 Ultra
5.3, A2DP, LE, aptX HD, aptX Adaptive
Redmi K90 Max
5.4, A2DP, LE, LHDC 5, Auracast, ASHA, MIHC
Positioning
13 Ultra
GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
Redmi K90 Max
GPS (L1+L5), BDS (B1I+B1c+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), GLONASS, NavIC
NFC
13 Ultra
Yes
Redmi K90 Max
Yes
Infrared port
13 Ultra
Yes
Redmi K90 Max
Yes
Radio
13 Ultra
No
Redmi K90 Max
No
USB
13 Ultra
USB Type-C 3.2, DisplayPort, OTG
Redmi K90 Max
USB Type-C
Sensors
13 Ultra
Fingerprint (under display, optical), accelerometer, proximity, gyro, compass, barometer
Redmi K90 Max
Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass
Type
13 Ultra
Li-Po 5000 mAh
Redmi K90 Max
8550 mAh
Charging
13 Ultra
90W wired, PD3.0, QC4, 100% in 35 min 50W wireless, 100% in 49 min 10W reverse wireless
Redmi K90 Max
100W wired, 100W PPS, PD3.0 22.5W reverse wired
Colors
13 Ultra
Black, Olive Green, White, Orange, Yellow, Blue
Redmi K90 Max
Silver, Blue, Black
Models
13 Ultra
2304FPN6DC, 2304FPN6DG
Redmi K90 Max
-
SAR EU
13 Ultra
0.99 W/kg (head) 1.00 W/kg (body)
Redmi K90 Max
-
Price
13 Ultra
$ 393.98
Redmi K90 Max
About 440 EUR