Product
Xiaomi Poco M4 Pro 5G
Xiaomi Poco M4 Pro 5G
Samsung Galaxy M40
Samsung Galaxy M40
Battery
Charging 33W wired, 100% in 59 min 15W wired
Type Li-Po 5000 mAh Li-Po 3500 mAh, non-removable
Body
Build Glass front (Gorilla Glass 3), plastic back, plastic frame Glass front (Gorilla Glass 3), plastic back, plastic frame
Dimensions 163.6 x 75.8 x 8.8 mm (6.44 x 2.98 x 0.35 in) 155.3 x 73.9 x 7.9 mm (6.11 x 2.91 x 0.31 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 195 g (6.88 oz) 168 g (5.93 oz)
  IP53 dust protected and water resistant (vertical water sprays) -
Comms
Bluetooth 5.1, A2DP, LE 5.0, A2DP, LE
Infrared port Yes -
NFC Yes (market/region dependent) Yes
Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS, GALILEO, BDS
Radio FM radio FM radio
USB USB Type-C 2.0, OTG USB Type-C 2.0
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 3 Corning Gorilla Glass 3
Resolution 1080 x 2400 pixels, 20:9 ratio (~399 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density)
Size 6.6 inches, 105.2 cm2 (~84.8% screen-to-body ratio) 6.3 inches, 97.4 cm2 (~84.9% screen-to-body ratio)
Type IPS LCD, 90Hz, 450 nits (typ) PLS LCD
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, compass Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Launch
Announced 2021, November 09 2019, June
Status Available. Released 2021, November 11 Available. Released 2019, June
Main Camera
Dual 50 MP, f/1.8, 26mm (wide), PDAF 8 MP, f/2.2, 119˚ (ultrawide) -
Features LED flash, HDR, panorama LED flash, panorama, HDR
Triple - 32 MP, f/1.7, 26mm (wide), 1/2.8", 0.8µm, PDAF 8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm, PDAF 5 MP, f/2.2, (depth)
Video 1080p@30/60fps 4K@30fps, 1080p@30fps
Memory
Card slot microSDXC microSDXC (uses shared SIM slot)
Internal 64GB 4GB RAM, 64GB 6GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM 64GB 4GB RAM, 128GB 6GB RAM
  UFS 2.2 eMMC 5.1
Misc
Colors Poco Yellow, Power Black, Cool Blue Seawater Blue, Midnight Blue, Cocktail Orange
Models 21091116AG, MZB0BGVIN SM-M405F, SM-M405FN, SM-M405G
SAR 1.07 W/kg (head)     1.09 W/kg (body)     0.20 W/kg (head)    
SAR EU 0.59 W/kg (head)     1.00 W/kg (body)     0.27 W/kg (head)     1.17 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International HSDPA 850 / 900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 32, 38, 40, 41, 66 - International 1, 3, 5, 8, 40, 41
5G bands 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA - International -
Speed HSPA, LTE (CA), 5G HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 400/50 Mbps
Technology GSM / HSPA / LTE / 5G GSM / HSPA / LTE
  1, 3, 5, 8, 28, 40, 78 SA/NSA - India -
Our Tests
Battery (old) Endurance rating 123h -
Camera Photo / Video -
Display 1553:1 contrast ratio, 510 nits max brightness (measured) -
Loudspeaker -24.9 LUFS (Very good) -
Performance AnTuTu: 296721 (v8), 353663 (v9) GeekBench: 1797 (v5.1) GFXBench: 13fps (ES 3.1 onscreen) -
Platform
Chipset Mediatek Dimensity 810 (6 nm) Qualcomm SDM675 Snapdragon 675 (11 nm)
CPU Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver)
GPU Mali-G57 MC2 Adreno 612
OS Android 11, upgradable to Android 12, MIUI 13 Android 9.0 (Pie), upgradable to Android 11, One UI 3.1
Selfie camera
Features Panorama HDR
Single 16 MP, f/2.5, (wide), 1/3.06" 1.0µm 16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes No
Loudspeaker Yes, with stereo speakers Yes