Xiaomi Redmi K90 Pro Max vs Xiaomi 13 Ultra

Phones Images
PHONES
Phone Names Xiaomi Redmi K90 Pro Max Xiaomi 13 Ultra
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 661, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 38, 40, 41, 66 - International
5G bands1, 3, 5, 7, 8, 18, 26, 28, 38, 40, 41, 48, 66, 77, 78, 80, 81, 83, 84, 89 SA/NSA1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78, 79 SA/NSA - International
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / HSPA / LTE / 5GGSM / CDMA / HSPA / EVDO / LTE / 5G
 -CDMA2000 1xEV-DO
Launch
Announced2025, October 232023, April 18
StatusAvailable. Released 2025, October 23Available. Released 2023, April 21
Body
BuildGlass front (Dragon Crystal Glass), aluminum alloy frame, fiber-reinforced plastic back or silicone polymer backGlass front (Gorilla Glass Victus), eco leather back, aluminum frame
Dimensions163.3 x 77.8 x 7.9 mm (6.43 x 3.06 x 0.31 in)163.2 x 74.6 x 9.1 mm (6.43 x 2.94 x 0.36 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight218 g (7.69 oz)227 g (8.01 oz)
 -IP68 dust/water resistant (up to 1.5m for 30 min)
Display
ProtectionXiaomi Dragon Crystal GlassCorning Gorilla Glass Victus
Resolution1200 x 2608 pixels, 19.5:9 ratio (~416 ppi density)1440 x 3200 pixels, 20:9 ratio (~522 ppi density)
Size6.9 inches, 116.6 cm2 (~91.8% screen-to-body ratio)6.73 inches, 108.9 cm2 (~89.5% screen-to-body ratio)
TypeAMOLED, 68B colors, 2560Hz PWM, 120Hz, Dolby Vision, HDR Vivid, HDR10+, 3500 nits (peak)LTPO AMOLED, 68B colors, 120Hz, Dolby Vision, HDR10+, 1300 nits (HBM), 2600 nits (peak)
Platform
CPUOcta-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M)Octa-core (1x3.2 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510)
ChipsetQualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)Qualcomm SM8550-AB Snapdragon 8 Gen 2 (4 nm)
GPUAdreno 840Adreno 740
OSAndroid 16, HyperOS 3Android 13, upgradable to Android 14, HyperOS
Memory
Card slotNoNo
Internal256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
 -UFS 4.0
Main Camera
FeaturesColor spectrum sensor, LED flash, HDR, panoramaLaser AF, color spectrum sensor, Leica lenses, Dual-LED flash, HDR, panorama, 67mm filter ring holder (optional)
Quad-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)
Triple50 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-
Video8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS, HDR10+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)
Selfie camera
Features-HDR, panorama
Single32 MP, f/2.2, 21mm (wide), 1/3.44", 0.64µm32 MP, f/2.0, 22mm (wide), 1/3.14", 0.7µm
Video4K@30fps, 1080p@30/60fps1080p@30/60fps, gyro-EIS
Sound
3.5mm jack -No
35mm jackNoNo
Loudspeaker Yes, with stereo speakers (with Dolby Atmos)Yes, with stereo speakers
 -24-bit/192kHz audio
Comms
Bluetooth5.4, A2DP, LE, LHDC 5.0, ASHA, MIHC5.3, A2DP, LE, aptX HD, aptX Adaptive
Infrared portYesYes
NFCYesYes
PositioningGPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC, GLONASSGPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
RadioNoNo
USBUSB Type-C 3.2, Display Port, OTGUSB Type-C 3.2, DisplayPort, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compassFingerprint (under display, optical), accelerometer, proximity, gyro, compass, barometer
 -Virtual proximity sensing
Battery
Charging100W wired, PD3.0, QC3+, 100W PPS 50W wireless 22.5W reverse wireless90W wired, PD3.0, QC4, 100% in 35 min 50W wireless, 100% in 49 min 10W reverse wireless
TypeSi/C Li-Ion 7560 mAhLi-Po 5000 mAh
Misc
ColorsBlack, White, Denim Blue, Lamborgini WhiteBlack, Olive Green, White, Orange, Yellow, Blue
Models-2304FPN6DC, 2304FPN6DG
PriceAbout 500 EUR€ 797.98 / $ 389.69
SAR EU-0.99 W/kg (head)     1.00 W/kg (body)
OUR TESTS
Battery-Active use score 10:09h
Battery (old)-Endurance rating 108h
Camera-Photo / Video
Display-1207 nits max brightness (measured)
Loudspeaker--26.0 LUFS (Very good)
Performance-AnTuTu: 1268538 (v9) GeekBench: 5049 (v5.1), 5556 (v6) GFXBench: 110fps (ES 3.1 onscreen)