Product
Xiaomi Mi 4s
Xiaomi Mi 4s
Infinix Note 50s
Infinix Note 50s
Battery
Charging 18W wired, QC2, 40% in 60 min 45W wired, 100% in 60 min 10W reverse wired Bypass Charging
Type Li-Ion 3260 mAh, non-removable 5500 mAh
Body
Dimensions 139.3 x 70.8 x 7.8 mm (5.48 x 2.79 x 0.31 in) 164.3 x 74.5 x 7.6 mm (6.47 x 2.93 x 0.30 in)
SIM Nano-SIM + Micro-SIM Nano-SIM + Nano-SIM
Weight 133 g (4.69 oz) 180 g (6.35 oz)
  - Scent micro encapsulation technology (lasts up to six months) IP64 dust tight and water resistant (water splashes) RGB notification light (on the back) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions
Comms
Bluetooth 4.1, A2DP 5.4, A2DP, LE
Infrared port Yes Yes
NFC No No
Positioning GPS, GLONASS, BDS GPS
Radio No Unspecified
USB USB Type-C USB Type-C 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac/6, dual-band
Display
Protection - Corning Gorilla Glass 5
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 (~69.9% screen-to-body ratio) 6.78 inches, 109.9 cm2 (~89.8% screen-to-body ratio)
Type IPS LCD AMOLED, 1B colors, 144Hz, 2304Hz PWM, 1300 nits (peak)
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Launch
Announced 2016, February. Released 2016, March 2025, April 18
Status Discontinued Available. Released 2025, April 24
Main Camera
Dual - 64 MP, f/1.8, (wide), 1/1.73", 0.8µm, PDAF 2 MP
Features Dual-LED dual-tone flash, panorama, HDR Dual-LED flash, HDR, panorama
Single 13 MP, f/2.0, PDAF -
Video 1080p@30fps, 720p@120fps 4K@30fps, 1080p@30fps
Memory
Card slot microSDXC (uses shared SIM slot) No
Internal 64GB 3GB RAM 128GB 8GB RAM, 256GB 8GB RAM
  eMMC 5.0 -
Misc
Colors Black, White, Gold, Pink Marine Blue, Titanium Grey, Ruby Red
Models - X6870
Network
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 1900 / 2100 HSDPA 850 / 900 / 2100
4G bands 1, 3, 7, 38, 39, 40, 41 1, 3, 5, 8, 28, 38, 40, 41
5G bands - 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
Speed HSPA, LTE Cat4 150/50 Mbps HSPA, LTE, 5G
Technology GSM / CDMA / HSPA / LTE GSM / HSPA / LTE / 5G
  TD-SCDMA -
Our Tests
Audio quality Noise -94.9dB / Crosstalk -82.6dB -
Battery (old) Endurance rating 75h -
Camera Photo / Video -
Display Contrast ratio: 975:1 (nominal), 2.095 (sunlight) -
Loudspeaker Voice 73dB / Noise 68dB / Ring 82dB -
Performance Basemark OS II 2.0: 1545Basemark X: 12990 -
Platform
Chipset Qualcomm MSM8992 Snapdragon 808 (20 nm) Mediatek Dimensity 7300 Ultimate (4 nm)
CPU Hexa-core (4x1.4 GHz Cortex-A53 & 2x1.8 GHz Cortex-A57) Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU Adreno 418 Mali-G615 MC2
OS Android 5.1 (Lollipop), upgradable to 7.0 (Nougat), MIUI 10 Android 15, up to 2 major Android upgrades, XOS 15
Selfie camera
Single 5 MP, f/2.0 13 MP, f/2.2, (wide)
Video 1080p@30fps 4K@30fps, 1080p@30fps
Sound
3.5mm jack Yes No
Loudspeaker Yes Yes, with stereo speakers
  - Tuned by JBL 24-bit/192kHz Hi-Res audio