Product
Xiaomi Redmi K40 Pro
Xiaomi Redmi K40 Pro
OnePlus Ace 5 Ultra
OnePlus Ace 5 Ultra
Battery
Charging 33W wired, PD3.0, QC3, 100% in 52 min 100W wired, PD, 100% in 39 min 7.5W reverse wired Bypass charging
Type Li-Po 4520 mAh Si/C Li-Ion 6700 mAh
Body
Dimensions 163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in) 163.4 x 77 x 8.1 mm (6.43 x 3.03 x 0.32 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 196 g (6.91 oz) 206 g (7.27 oz)
  IP53 dust protected and water resistant (vertical water sprays) IP65 dust tight and water resistant (low pressure water jets)
Comms
Bluetooth 5.2, A2DP, LE, aptX HD, aptX Adaptive 5.4, A2DP, LE, aptX HD, LHDC 5, BLE Audio
Infrared port Yes Yes
NFC Yes Yes
Positioning GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), NavIC (L5)
Radio No No
USB USB Type-C 2.0, OTG USB Type-C 2.0
WLAN Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band
Display
Protection Corning Gorilla Glass 5 Crystal Shield Glass
Resolution 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) 1272 x 2800 pixels (~450 ppi density)
Size 6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio) 6.83 inches, 113.3 cm2 (~90.1% screen-to-body ratio)
Type Super AMOLED, 120Hz, HDR10+, 1300 nits (peak) AMOLED, 1B colors, 144Hz, 3840Hz PWM, HDR10+, Dolby Vision, HDR Vivid, 800 nits (typ), 1400 nits (peak)
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Launch
Announced 2021, February 25 2025, May 27
Status Available. Released 2021, March 04 Available. Released 2025, May 27
Main Camera
Dual - 50 MP, f/1.8, 24mm (wide), 1/1.56", 1.0µm, PDAF, OIS 8 MP, f/2.2, 16mm, 112˚ (ultrawide), 1/4.0", 1.12µm
Features Color spectrum sensor, LED flash, HDR, panorama LED flash, HDR, panorama
Triple 64 MP, f/1.9, 26mm (wide), 1/1.7", 0.8µm, PDAF 8 MP, f/2.2, 119˚ (ultrawide) 5 MP, f/2.4, 50mm (macro), 1/5.0", 1.12µm -
Video 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+ 4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, OIS
Memory
Card slot No No
Internal 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
  UFS 3.1 UFS 4.0
Misc
Colors Black, White, Aurora Blue, Black, Titanium
Models M2012K11C PLC110
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42 1, 3, 4, 5, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66
5G bands 1, 3, 28, 41, 77, 78 SA/NSA/Sub6 1, 3, 5, 8, 26, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA
Speed HSPA, LTE, 5G HSPA, LTE, 5G
Technology GSM / CDMA / HSPA / CDMA2000 / LTE / 5G GSM / HSPA / LTE / 5G
  CDMA2000 1x -
Platform
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm) Mediatek Dimensity 9400+ (3 nm)
CPU Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) Octa-core (1x3.73 GHz Cortex-X925 & 3x3.3 GHz Cortex-X4 & 4x2.4 GHz Cortex-A720)
GPU Adreno 660 Immortalis-G925 MC12
OS Android 11, MIUI 12 Android 15, ColorOS 15
Selfie camera
Features HDR HDR, panorama
Single 20 MP, f/2.5, (wide), 1/3.4", 0.8µm 16 MP, f/2.4, 23mm (wide), 1/3", 1.0µm
Video 1080p@30fps, 720p@120fps 1080p@30fps, gyro-EIS
Sound
3.5mm jack No No
Loudspeaker Yes, with stereo speakers Yes, with stereo speakers
  24-bit/192kHz Hi-Res audio Snapdragon Sound -