Product
Xiaomi Redmi Note 9 4G
Xiaomi Redmi Note 9 4G
Samsung Galaxy J5 (2017)
Samsung Galaxy J5 (2017)
Battery
Charging 18W wired 2.5W reverse wired -
Music play - Up to 83 h
Talk time - Up to 21 h (3G)
Type Li-Po 6000 mAh Li-Ion 3000 mAh, non-removable
Body
Build Glass front (Gorilla Glass 3), plastic frame, plastic back Glass front, aluminum back, aluminum frame
Dimensions 162.3 x 77.3 x 9.6 mm (6.39 x 3.04 x 0.38 in) 146.2 x 71.3 x 8 mm (5.76 x 2.81 x 0.31 in)
SIM Nano-SIM + Nano-SIM Nano-SIMNano-SIM + Nano-SIM
Weight 198 g (6.98 oz) 160 g (5.64 oz)
  Water-repellent coating -
Comms
Bluetooth 4.2, A2DP 4.1, A2DP
Infrared port Yes -
NFC No Yes
Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS, BDS
Radio FM radio FM radio
USB USB Type-C 2.0, OTG microUSB 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 -
Resolution 1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density) 720 x 1280 pixels, 16:9 ratio (~282 ppi density)
Size 6.53 inches, 104.7 cm2 (~83.4% screen-to-body ratio) 5.2 inches, 74.5 cm2 (~71.5% screen-to-body ratio)
Type IPS LCD, 400 nits (typ) Super AMOLED
Features
Sensors Fingerprint (side-mounted), accelerometer, proximity, compass Fingerprint (front-mounted), accelerometer, gyro, proximity, compass
  - ANT+
Launch
Announced 2020, November 26 2017, June. Released 2017, June
Status Available. Released 2020, November 26 Discontinued
Main Camera
Features LED flash, HDR, panorama LED flash, panorama, HDR
Single - 13 MP, f/1.7, 27mm (wide), 1/3.1", 1.12µm, AF
Triple 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (depth) -
Video 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM 16GB 2GB RAM, 32GB 2GB RAM, 32GB 3GB RAM
  UFS 2.2 eMMC 5.1
Misc
Colors Gray, Green, Blue, Orange Blue, Pink, Gold, Black
Models M2010J19SC SM-J530F, SM-J530Y, SM-J530FM, SM-J530G, SM-J530YM, SM-J530L, SM-J530S, SM-J530K, SM-J530GM
SAR EU - 0.35 W/kg (head)     1.36 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G bands HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 3, 5, 8, 34, 38, 39, 40, 41 1, 3, 5, 7, 8, 20, 40
Speed HSPA, LTE HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Technology GSM / CDMA / HSPA / LTE GSM / HSPA / LTE
  CDMA 800 -
Our Tests
Audio quality - Noise -85.0dB / Crosstalk -90.3dB
Battery (old) - Endurance rating 97h
Camera - Photo / Video
Display - Contrast ratio: Infinite (nominal), 3.599 (sunlight)
Loudspeaker - Voice 68dB / Noise 70dB / Ring 82dB
Performance - GeekBench: 3667 (v4.4) GFXBench: 3.8fps (ES 3.1 onscreen)
Platform
Chipset Qualcomm SM6115 Snapdragon 662 (11 nm) Exynos 7870 Octa (14 nm)
CPU Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) Octa-core 1.6 GHz Cortex-A53
GPU Adreno 610 Mali-T830 MP1
OS Android 10, upgradable to Android 12, MIUI 14 Android 7.0 (Nougat), upgradable to Android 9.0 (Pie), One UI
Selfie camera
Features - LED flash
Single 8 MP, f/2.0, 27mm (wide), 1/4.0", 1.12µm 13 MP, f/1.9, 1/3.1", 1.12µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes, with stereo speakers Yes
  24-bit/192kHz Hi-Res audio -