Product
Xiaomi Mi 4
Xiaomi Mi 4
₹14,999
Infinix Note 50 Pro 4G
Infinix Note 50 Pro 4G
₹18,042
Battery
Charging 18W wired, QC2 90W wired, 100% in 38 min30W wireless MagCharge10W Reverse wiredReverse wirelessBypass Charging
Stand-by Up to 280 h (3G) -
Type Li-Ion 3080 mAh, non-removable 5200 mAh
Body
Build Glass front, plastic back, aluminum frame Glass front, aluminum frame
Dimensions 139.2 x 68.5 x 8.9 mm (5.48 x 2.70 x 0.35 in) 163.3 x 74.4 x 7.3 mm (6.43 x 2.93 x 0.29 in)
SIM Micro-SIM Nano-SIM + Nano-SIM
Weight 149 g (5.26 oz) 198 g (6.98 oz)
  - IP64 dust tight and water resistant (water splashes)Aerospace-Grade AluminumRGB notification light (on the back)
Comms
Bluetooth 4.0, 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, OTG USB Type-C 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band
Display
Resolution 1080 x 1920 pixels, 16:9 ratio (~441 ppi density) 1080 x 2436 pixels (~393 ppi density)
Size 5.0 inches, 68.9 cm2 (~72.3% 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, barometer Fingerprint (under display, optical), accelerometer, gyro, compass, heart rate, SpO2
  - Virtual proximity sensing
Launch
Announced 2014, July. Released 2014, August 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, panorama, HDR Dual-LED flash, HDR, panorama
Single 13 MP, f/1.8, 1/3.1", 1.12µm, AF -
Video 4K@30fps, 1080p@30fps, 720p@120fps, HDR 1440p@30fps, 1080p@30/60/240fps
Memory
Card slot No No
Internal 16GB 2GB RAM, 64GB 3GB RAM 256GB 8GB RAM, 256GB 12GB RAM
  eMMC 5.0 UFS 2.2
Misc
Colors Black, White Titanium Grey, Enchanted Purple, Racing Edition, Shadow Black
Models 2014215 X6855
SAR 0.71 W/kg (head)     0.85 W/kg (body)     -
Network
2G bands GSM 850 / 900 / 1800 / 1900 - all versions GSM 850 / 900 / 1800 / 1900
3G bands TD-SCDMA - 4G model HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 38, 39, 40 - 4G model 1, 2, 3, 4, 5, 7, 8, 12, 17, 13, 26, 28, 38, 40, 41, 66
EDGE Yes -
GPRS Yes -
Speed HSPA, LTE, EV-DO Rev.A 3.1 Mbps HSPA, LTE
Technology GSM / CDMA / HSPA / EVDO / LTE GSM / HSPA / LTE
  CDMA2000 1xEV-DO - Telecom 3G model 1, 3, 5, 8, 38, 40, 41
Our Tests
Audio quality Noise -91.6dB / Crosstalk -49.7dB -
Battery (old) Endurance rating 68h -
Camera Photo / Video -
Display Contrast ratio: 929 (nominal), 2.424 (sunlight) -
Loudspeaker Voice 62dB / Noise 62dB / Ring 66dB -
Platform
Chipset Qualcomm MSM8974AC Snapdragon 801 (28 nm) Mediatek Helio G100 Ultimate (6 nm)
CPU Quad-core 2.5 GHz Krait 400 Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Adreno 330 Mali-G57 MC2
OS Android 4.4.3 (KitKat), upgradable to 6.0.1 (Marshmallow), MIUI 10 Android 15, up to 2 major Android upgrades, XOS 15
Selfie camera
Single 8 MP, f/1.8 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)
Offers No offers available No offers available