Xiaomi Redmi K40 Gaming vs Xiaomi Poco X3 Pro

Phones Images
PHONES
Phone Names Xiaomi Redmi K40 Gaming Xiaomi Poco X3 Pro
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 34, 38, 39, 40, 41, 421, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41 - International
5G bands1, 3, 28, 41, 77, 78 SA/NSA/Sub6-
SpeedHSPA, LTE, 5GHSPA, LTE
TechnologyGSM / CDMA / HSPA / CDMA2000 / LTE / 5GGSM / HSPA / LTE
 CDMA2000 1x 1, 2, 3, 5, 8, 38, 40, 41 - India
Launch
Announced2021, April 272021, March 22
StatusAvailable. Released 2021, April 30Available. Released 2021, March 24
Body
BuildGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5)Glass front (Gorilla Glass 6), plastic back
Dimensions161.9 x 76.9 x 8.3 mm (6.37 x 3.03 x 0.33 in)165.3 x 76.8 x 9.4 mm (6.51 x 3.02 x 0.37 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight205 g (7.23 oz)215 g (7.58 oz)
 Physical pop-up gaming triggers IP53, dust and splash resistantIP53, dust and splash resistant
Display
ProtectionCorning Gorilla Glass 5Corning Gorilla Glass 6
Resolution1080 x 2400 pixels, 20:9 ratio (~395 ppi density)1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
Size6.67 inches, 107.4 cm2 (~86.3% screen-to-body ratio)6.67 inches, 107.4 cm2 (~84.6% screen-to-body ratio)
TypeOLED, 1B colors, 120Hz, HDR10+, 500 nits (typ)IPS LCD, 120Hz, 2404Hz PWM, HDR10, 450 nits (typ)
Platform
CPUOcta-core (1x3.0 GHz Cortex-A78 & 3x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)Octa-core (1x2.96 GHz Kryo 485 Gold & 3x2.42 GHz Kryo 485 Gold & 4x1.78 GHz Kryo 485 Silver)
ChipsetMediatek Dimensity 1200 (6 nm)Qualcomm Snapdragon 860 (7 nm)
GPUMali-G77 MC9Adreno 640
OSAndroid 11, MIUI 12.5Android 11, upgradable to Android 12, MIUI 13 for POCO
Memory
Card slotNomicroSDXC (uses shared SIM slot)
Internal128GB 6GB RAM, 128GB 8GB RAM, 128GB 12GB RAM, 256GB 8GB RAM, 256GB 12GB RAM128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM
 UFS 3.1UFS 3.1
Main Camera
FeaturesColor spectrum sensor, Dual-LED flash, HDR, panoramaDual-LED flash, HDR, panorama
Quad-48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 119˚ (ultrawide), 1.0µm 2 MP (macro) Auxiliary lens
Single16 MP, f/2.5, (wide), 1/3.06" 1.0µm20 MP, f/2.2, (wide), 1/3.4", 0.8µm
Triple64 MP, f/1.7, 26mm (wide), 1/2.0", 0.7µm, PDAF 8 MP, f/2.2, 120˚ (ultrawide) 2 MP (macro)-
Video4K@30fps, 1080p@30/60/120fps, 720p@960fps, HDR4K@30fps, 1080p@30/60/120/240fps, 1080p@960fps, gyro-EIS
Selfie camera
FeaturesHDRHDR, panorama
Single16 MP, f/2.5, (wide), 1/3.06" 1.0µm20 MP, f/2.2, (wide), 1/3.4", 0.8µm
Video1080p@30fps, 720p@120fps, HDR1080p@30fps
Sound
3.5mm jack NoYes
35mm jackNoYes
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
 24-bit/192kHz audio Tuned by JBL24-bit/192kHz audio
Comms
Bluetooth5.2, A2DP, LE5.0, A2DP, LE
Infrared portYesYes
NFCYesYes (market/region dependent)
PositioningGPS (L1+L5), GLONASS (G1), BDS (B1I+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavICGPS, GLONASS, GALILEO, BDS
RadioNoFM radio, recording
USBUSB Type-C 2.0, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (side-mounted), accelerometer, gyro, compass, barometerFingerprint (side-mounted), accelerometer, gyro, proximity, compass
Battery
Charging67W wired, PD3.0, QC3, 100% in 42 min33W wired, 59% in 30 min, 100% in 59 min
TypeLi-Po 5065 mAhLi-Po 5160 mAh
Misc
ColorsBlack, Gray, Silver, Bruce Lee YellowPhantom Black, Frost Blue, Metal Bronze
ModelsM2012K10C, M2104K10ACM2102J20SG, M2102J20SI
PriceAbout 260 EUR$ 128.04 / £ 249.99
SAR-0.99 W/kg (head)     0.67 W/kg (body)
SAR EU-0.57 W/kg (head)     0.90 W/kg (body)
Tests
Battery life- Endurance rating 112h
Camera- Photo / Video
Display- Contrast ratio: 1401:1 (nominal)
Loudspeaker- -26.1 LUFS (Good)
Performance- AnTuTu: 453223 (v8) GeekBench: 2574 (v5.1) GFXBench: 38fps (ES 3.1 onscreen)
OUR TESTS
Battery (old)-Endurance rating 112h
Camera-Photo / Video
Display-Contrast ratio: 1401:1 (nominal)
Loudspeaker--26.1 LUFS (Good)
Performance-AnTuTu: 453223 (v8) GeekBench: 2574 (v5.1) GFXBench: 38fps (ES 3.1 onscreen)