Xiaomi Redmi 2 Prime vs Samsung Galaxy J2 vs Oppo Joy

BASIC INFO
Model No - Galaxy J2 Joy
Status Discontinued Discontinued Available
Release Date 2015, January 2015, September 2014, April
Dimension 134 x 67 x 9 mm (5.28 x 2.64 x 0.35 in) 136.5 x 69 x 8.4 mm (5.37 x 2.72 x 0.33 in) 124.00 x 63.00 x 9.90
Weight - 129 g (4.55 oz) 125 G
Colors Various White, Black, Gold White, Black
Body Metrial - - -
W & D Proof - - -
SIM Type - Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by) Dual SIM
Technology - GSM / HSPA / LTE GSM/HSPA
OS Android OS, v5.1 (Lollypop) Android OS, v5.1 (Lollipop) Android OS, v4.2.2 (Jelly Bean)
PROSESSING
Processor Quad-core 1.2 GHz Cortex-A53 Quad-core 1.3 GHz Cortex-A7 Dual-core 1.3 GHz
Chipset - Exynos 3475 Quad -
GPU - Mali-T720 -
MEMORY
RAM - 1GB 512 MB
Storage - 8GB 4 GB
Card Slot 16 GB storage,2 GB RAM, microSD, up to 32 GB Up to 64 GB Micro SD up to 32 GB
DISPLAY
Size 720 x 1280 pixels, 4.7 inches (~267 ppi pixel density) 4.7 inches 4 inches
Type IPS LCD capacitive touchscreen, 16M colors Super AMOLED capacitive touchscreen, 16M colors WVGA capacitive touchscreen, 16M colors
Resolation - 540 x 960 pixels 480 x 800 pixels
PPI - 234 ppi pixel density -
Multi touch - Yes Yes
Protection - - -
CAMERA
Primary 8 MP, 3264 x 2448 pixels, autofocus, LED flash 5MP 3.1MP
Video Yes, 1080p@30fps Yes, 1080p@30fps Yes
Flash - LED flash Yes
Features - Geo-tagging, touch focus, face detection -
Selfie 2 MP, 720p Yes, 2MP Yes, 0.3MP
BATTERY
Battery Li-Po 2200 mAh battery Li-Ion battery -
Capacity - 2000 mAh 1700 mAh
Removable - Yes -
StandBy - - -
Talk Time - Up to 11 h (3G) -
Music Play - Up to 41 h -
Browsing - - -
Video Playback - - -
F Charging - - -
W Charging - - -
NETWORK
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) Yes
3G Network HSDPA 850 / 900 / 1700 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 - J200G, J200GU, J200F, J200Y
HSDPA 850 / 900 / 2100 - J200H
Yes
4G Network LTE 1800 / 2100 TD-LTE 2500 (Bands 1, 3, 41) LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - J200F
LTE band 1(2100), 3(1800), 5(850), 8(900), 20(800), 40(2300) - J200G
LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900) - J200GU
LTE band 1(2100), 3(1800), 5(850), 7(2600),
-
Speed - HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps -
5G - - -
CONECTIVY
WALAN Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Yes
BlueTooth Yes, v4.0 with A2DP v4.1, A2DP Yes
USB Yes, microUSB v2.0 microUSB v2.0, USB On-The-Go Yes
GPS Yes, with A-GPS support Yes, with A-GPS, GLONASS -
NFC - Yes (market dependent) -
Audio jeck - Yes, 3.5 mm 3.5mm jack
OTHERS
Sensors - Accelerometer, proximity Accelerometer, proximity
Radio TBD FM radio, RDS, recording Yes
SARUS - 1.18 W/kg (head), 1.27 W/kg (body) -
SAREU - 0.57 W/kg (head), 0.45 W/kg (body) -
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