Product
Xiaomi Redmi 3
Xiaomi Redmi 3
Infinix Note 50 Pro 4G
Infinix Note 50 Pro 4G
Battery
Charging 10W wired 90W wired, 100% in 38 min30W wireless MagCharge10W Reverse wiredReverse wirelessBypass Charging
Type Li-Ion 4100 mAh, non-removable 5200 mAh
Body
Build Glass front, aluminum back, aluminum frame Glass front, aluminum frame
Dimensions 139.3 x 69.6 x 8.5 mm (5.48 x 2.74 x 0.33 in) 163.3 x 74.4 x 7.3 mm (6.43 x 2.93 x 0.29 in)
SIM Nano-SIM + Micro-SIM Nano-SIM + Nano-SIM
Weight 144 g (5.08 oz) 198 g (6.98 oz)
  - IP64 dust tight and water resistant (water splashes)Aerospace-Grade AluminumRGB notification light (on the back)
Comms
Bluetooth 4.1, A2DP 5.4, A2DP, LE
Infrared port Yes Yes
NFC No Yes (market/region dependent)
Positioning GPS, GLONASS, BDS GPS
Radio FM radio FM radio
USB microUSB 2.0 USB Type-C 2.0, OTG
WLAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band
Display
Resolution 720 x 1280 pixels, 16:9 ratio (~294 ppi density) 1080 x 2436 pixels (~393 ppi density)
Size 5.0 inches, 68.9 cm2 (~71.1% screen-to-body ratio) 6.78 inches, 109.9 cm2 (~90.4% screen-to-body ratio)
Type IPS LCD AMOLED, 1B colors, 144Hz, 2160Hz PWM, 1300 nits (peak)
Features
Sensors Accelerometer, gyro, proximity, compass Fingerprint (under display, optical), accelerometer, gyro, compass, heart rate, SpO2
  - Virtual proximity sensing
Launch
Announced 2016, January. Released 2016, January 2025, March 04
Status Discontinued Available. Released 2025, March
Main Camera
Dual - 50 MP, f/1.9, (wide), 1/1.57", 1.0µm, PDAF, OIS8 MP, f/2.2, 15mm, 112˚ (ultrawide)
Features LED flash, HDR, panorama Dual-LED flash, HDR, panorama
Single 13 MP, f/2.0, PDAF -
Video 1080p@30fps 1440p@30fps, 1080p@30/60/240fps
Memory
Card slot microSDXC (uses shared SIM slot) No
Internal 16GB 2GB RAM, 32GB 3GB RAM 256GB 8GB RAM, 256GB 12GB RAM
  eMMC 4.5 UFS 2.2
Misc
Colors Gold, Dark Gray, Silver, Classic Gold Titanium Grey, Enchanted Purple, Racing Edition, Shadow Black
Models 2015816 X6855
SAR 0.90 W/kg (head)     0.56 W/kg (body)     -
SAR EU 1.33 W/kg (head)     -
Network
2G bands GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 3, 7, 38, 39, 40, 41 1, 2, 3, 4, 5, 7, 8, 12, 17, 13, 26, 28, 38, 40, 41, 66
Speed HSPA, LTE, EV-DO Rev.A 3.1 Mbps HSPA, LTE
Technology GSM / CDMA / HSPA / EVDO / LTE GSM / HSPA / LTE
  CDMA2000 1xEV-DO 1, 3, 5, 8, 38, 40, 41
Our Tests
Battery (old) Endurance rating 107h -
Camera Photo / Video -
Platform
Chipset Qualcomm MSM8939v2 Snapdragon 616 (28 nm) Mediatek Helio G100 Ultimate (6 nm)
CPU Octa-core (4x1.5 GHz Cortex-A53 & 4x1.2 GHz Cortex-A53) Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Adreno 405 Mali-G57 MC2
OS Android 5.1 (Lollipop), MIUI 7 Android 15, up to 2 major Android upgrades, XOS 15
Selfie camera
Single 5 MP, f/2.2 32 MP, f/2.2, (wide), 1/3.1"
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes No
Loudspeaker Yes Yes, with stereo speakers
  - Tuned by JBL24-bit/192kHz Hi-Res & Hi-Res wireless audio
Tests
Battery (new) - Active use score 11:26h
Display - 1054 nits max brightness (measured)
Loudspeaker - -25.3 LUFS (Very good)
Performance - AnTuTu: 437302 (v10)GeekBench: 1970 (v6)3DMark: 384 (Wild Life Extreme)