Product
Xiaomi Redmi 9
Xiaomi Redmi 9
Samsung Galaxy J1 mini prime
Samsung Galaxy J1 mini prime
Battery
Charging 18W wired -
Music play - Up to 29 h
Talk time - Up to 8 h (3G)
Type Li-Po 5020 mAh Li-Ion 1500 mAh, removable
Body
Build Glass front (Gorilla Glass 3), plastic back, plastic frame Glass front, plastic back, plastic frame
Dimensions 163.3 x 77 x 9.1 mm (6.43 x 3.03 x 0.36 in) 121.6 x 63.1 x 10.8 mm (4.79 x 2.48 x 0.43 in)
SIM Nano-SIM + Nano-SIM Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by)
Weight 198 g (6.98 oz) 126 g (4.44 oz)
Comms
Bluetooth 5.0, A2DP, LE 4.0, A2DP
Infrared port Yes -
NFC Yes (market/region dependent) No
Positioning GPS, GLONASS, BDS GPS, GLONASS
Radio Wireless FM radio (no wired headphones required) 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 b/g/n, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 3 -
Resolution 1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density) 480 x 800 pixels, 5:3 ratio (~233 ppi density)
Size 6.53 inches, 104.7 cm2 (~83.2% screen-to-body ratio) 4.0 inches, 45.5 cm2 (~59.4% screen-to-body ratio)
Type IPS LCD, 400 nits (typ) TFT, 256K colors
Features
Sensors Fingerprint (rear-mounted), accelerometer, proximity, compass Accelerometer
Launch
Announced 2020, June 10 2016, December. Released 2016, December
Status Available. Released 2020, June 10 Discontinued
Main Camera
Features LED flash, HDR, panorama LED flash
Quad 13 MP, f/2.2, 28mm (wide), 1/3.1", 1.12µm, PDAF 8 MP, f/2.2, 118˚ (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) -
Single - 5 MP, f/2.2
Video 1080p@30fps 720p@30fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 32GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM 8GB 1GB RAM
  eMMC 5.1 eMMC 5.1
Misc
Colors Carbon Gray, Sunset Purple, Ocean Green, Pink/Blue Gold, Black, White
Models M2004J19G, M2004J19C SM-J106F, SM-J106B, SM-J106H, SM-J106M
SAR 0.91 W/kg (head)     1.00 W/kg (body)     -
SAR EU 0.71 W/kg (head)     1.06 W/kg (body)     0.58 W/kg (head)     1.26 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 / 2100 - J106F/DS
4G bands 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41 1, 3, 5, 7, 8, 20, 40 - J106F/DS
Speed HSPA, LTE HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps
Technology GSM / HSPA / LTE GSM / HSPA / LTE
  - HSDPA 900 / 2100 - J106H/DS
Our Tests
Battery (old) Endurance rating 131h -
Camera Photo / Video -
Display 1624:1 contrast ratio, 328 nits max brightness (measured) -
Loudspeaker -26.9 LUFS (Good) -
Performance AnTuTu: 201829 (v8) GeekBench: 1325 (v5.1) -
Platform
Chipset Mediatek MT6769V/CU Helio G80 (12 nm) Spreadtrum SC9830
CPU Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) Quad-core 1.5 GHz - J106F/DSQuad-core 1.2 GHz - J106B/DS, J106H/DS
GPU Mali-G52 MC2 Mali-400MP2
OS Android 10, upgradable to Android 12, MIUI 13 Android 5.1 (Lollipop) - 3G modelAndroid 6.0 (Marshmallow) - LTE model
Selfie camera
Features HDR -
Single 8 MP, f/2.0, 27mm (wide), 1/4.0", 1.12µm VGA
Video 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes