Product
Xiaomi Redmi Note 9S
Xiaomi Redmi Note 9S
Samsung Galaxy J3 (2017)
Samsung Galaxy J3 (2017)
Battery
Charging 18W wired -
Music play - Up to 61 h
Talk time - Up to 15 h (3G)
Type Li-Po 5020 mAh Li-Ion 2400 mAh, non-removable
Body
Build Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame Glass front, aluminum back, aluminum frame
Dimensions 165.8 x 76.7 x 8.8 mm (6.53 x 3.02 x 0.35 in) 143.2 x 70.3 x 8.2 mm (5.64 x 2.77 x 0.32 in)
SIM Nano-SIM + Nano-SIM Nano-SIMNano-SIM + Nano-SIM
Weight 209 g (7.37 oz) 142 g (5.01 oz)
  Water-repellent coating -
Comms
Bluetooth 5.0, A2DP, LE 4.2, A2DP, LE
Infrared port Yes -
NFC No Yes (optional)
Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS, BDS
Radio FM radio, recording FM radio
USB USB Type-C 2.0, OTG microUSB 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 5 -
Resolution 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) 720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Size 6.67 inches, 107.4 cm2 (~84.5% screen-to-body ratio) 5.0 inches, 68.9 cm2 (~68.5% screen-to-body ratio)
Type IPS LCD, HDR10, 450 nits (typ) PLS
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass Accelerometer, proximity
Launch
Announced 2020, March 23 2017, June. Released 2017, July
Status Available. Released 2020, April 30 Discontinued
Main Camera
Features LED flash, HDR, panorama LED flash, HDR, panorama
Quad 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 119˚ (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.4, (macro), AF 2 MP, f/2.4, (depth) -
Single - 13 MP, f/1.9, AF
Video 4K@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 64GB 4GB RAM, 64GB 6GB RAM, 128GB 4GB RAM, 128GB 6GB RAM 16GB 2GB RAM
  UFS 2.1 eMMC 5.0
Misc
Colors Aurora Blue, Glacier White, Interstellar Gray White, Black, Gold, Blue
Models M2003J6A1G SM-J330F, J330F, J330G, SM-J330G, SM-J330FN, SM-J3308, SM-J327F, SM-S337TL, SM-J3300, SM-J330L, SM-J327U, SM-J330N
SAR 0.96 W/kg (head)     0.40 W/kg (body)     -
SAR EU 0.72 W/kg (head)     0.98 W/kg (body)     0.66 W/kg (head)     1.32 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 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40 1, 2, 3, 4, 5, 7, 8, 17, 38, 40
Speed HSPA, LTE HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Technology GSM / HSPA / LTE GSM / HSPA / LTE
Our Tests
Battery (old) Endurance rating 127h -
Camera Photo / Video -
Display 1389:1 contrast ratio, 575 nits max brightness (measured) -
Loudspeaker -27.8 LUFS (Good) -
Performance AnTuTu: 254000 (v8) GeekBench: 1785 (v5.1) GFXBench: 15fps (ES 3.1 onscreen) -
Platform
Chipset Qualcomm SM7125 Snapdragon 720G (8 nm) Exynos 7570 Quad (14 nm)
CPU Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver) Quad-core 1.4 GHz Cortex-A53
GPU Adreno 618 Mali-T720 MP2
OS Android 10, upgradable to Android 12, MIUI 14 Android 7.0 (Nougat), 8.0 (Oreo), upgradable to Android 9.0 (Pie)
Selfie camera
Features HDR, panorama LED flash
Single 16 MP, f/2.5, (wide), 1/3.06" 1.0µm 5 MP, f/2.2
Video 1080p@30/120fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes