Product
Xiaomi Redmi Note 11 Pro (China)
Xiaomi Redmi Note 11 Pro (China)
Samsung Galaxy M40
Samsung Galaxy M40
Battery
Charging 67W wired, PD3.0, QC3, 100% in 43 min 15W wired
Type Li-Po 5160 mAh Li-Po 3500 mAh, non-removable
Body
Build Glass front (Gorilla Glass 5), glass back, plastic frame Glass front (Gorilla Glass 3), plastic back, plastic frame
Dimensions 163.7 x 76.2 x 8.3 mm (6.44 x 3.00 x 0.33 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 207 g (7.30 oz) 168 g (5.93 oz)
Comms
Bluetooth 5.2, A2DP, LE 5.0, A2DP, LE
Infrared port Yes -
NFC Yes Yes
Positioning GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) GPS, GLONASS, GALILEO, BDS
Radio Unspecified FM radio
USB USB Type-C 2.0, OTG USB Type-C 2.0
WLAN Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 5 Corning Gorilla Glass 3
Resolution 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density)
Size 6.67 inches, 107.4 cm2 (~86.1% screen-to-body ratio) 6.3 inches, 97.4 cm2 (~84.9% screen-to-body ratio)
Type Super AMOLED, 120Hz, 700 nits, 1200 nits (peak) PLS LCD
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, compass Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
  Virtual proximity sensing -
Launch
Announced 2021, October 28 2019, June
Status Available. Released 2021, November 01 Available. Released 2019, June
Main Camera
Features LED flash, HDR, panorama LED flash, panorama, HDR
Triple 108 MP, f/1.9, 26mm (wide), 1/1.52", 0.7µm, PDAF 8 MP, 120˚ (ultrawide) 2 MP, f/2.4, 50mm (telephoto macro) 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 4K@30fps, 1080p@30/60/120fps, 720p@960fps 4K@30fps, 1080p@30fps
Memory
Card slot No microSDXC (uses shared SIM slot)
Internal 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM 64GB 4GB RAM, 128GB 6GB RAM
  UFS 2.2 eMMC 5.1
Misc
Colors Mysterious Black, Forest Green, Timeless Purple, Milky Way Blue Seawater Blue, Midnight Blue, Cocktail Orange
Models 21091116C SM-M405F, SM-M405FN, SM-M405G
SAR - 0.20 W/kg (head)    
SAR EU - 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 800 / 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 2100
4G bands 1, 2, 3, 5, 8, 19, 34, 38, 39, 40, 41, 42 1, 3, 5, 8, 40, 41
5G bands 1, 3, 5, 8, 28, 38, 41, 77, 78 SA/NSA -
Speed HSPA, LTE (CA), 5G HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 400/50 Mbps
Technology GSM / CDMA / HSPA / EVDO / LTE / 5G GSM / HSPA / LTE
  CDMA2000 1xEV-DO -
Platform
Chipset Mediatek Dimensity 920 (6 nm) Qualcomm SDM675 Snapdragon 675 (11 nm)
CPU Octa-core (2x2.5 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55) Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver)
GPU Mali-G68 MC4 Adreno 612
OS Android 11, MIUI 12.5 Android 9.0 (Pie), upgradable to Android 11, One UI 3.1
Selfie camera
Features - 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@30/60fps 1080p@30fps
Sound
3.5mm jack Yes No
Loudspeaker Yes, with stereo speakers Yes
  24-bit/192kHz Hi-Res audio Tuned by JBL -