Samsung Galaxy J7 vs Samsung Galaxy Ace 3 vs Samsung Galaxy Alpha

BASIC INFO
Model No SM-J7008
J7008
- Galaxy Alpha
Status Available. Released 2015, June Discontinue Available.
Release Date 2015, June 2013, June 2014, August
Dimension 152.2 x 79.1 x 7.9 mm (5.99 x 3.11 x 0.31 in) 121.2 x 62.7 x 9.8 mm (3G) / 121.2 x 62.7 x 10 mm (LTE) 132.4 x 65.5 x 6.7 mm (5.21 x 2.58 x 0.26 in)
Weight 171 g (6.03 oz) 115 g (3G) / 119.5 g (LTE) (4.06 oz) 115 g (4.06 oz)
Colors White, Black, Gold Black, White, Dark Red Charcoal Black, Sleek Silver, Dazzling White, Frosted Gold, Scuba Blue
Body Metrial Plastic - -
W & D Proof - - -
SIM Type Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by) - Nano-SIM
Technology GSM / HSPA / LTE - GSM/HSPA.LTE
OS Android OS, v5.1 (Lollipop) Android OS, v4.2 (Jelly Bean) Android OS, v4.4.4 (KitKat)
PROSESSING
Processor Quad-core 1.4 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53
Octa-core 1.5 GHz
Dual-core 1 GHz Cortex-A9 (3G) / Dual-core 1.2 GHz Cortex-A9 (LTE) Octa-core (4x1.8 GHz Cortex-A15 & 4x1.3 GHz Cortex-A7)
Chipset Qualcomm MSM8939 Snapdragon 615
Exynos 7580 Octa
- Exynos 5430 Octa
GPU Adreno 405
Mali-T720MP2
- Mali-T628 MP6
MEMORY
RAM 1.5GB - 2 GB
Storage 16GB - 32 GB
Card Slot Up to 64 GB 4 GB (3G) / 8 GB (LTE), 1 GB RAM, microSD, up to 64 GB microSD, up to 256 GB
DISPLAY
Size 5.5 inches 480 x 800 pixels, 4.0 inches (~233 ppi pixel density) 4.7 inches
Type TFT capacitive touchscreen, 16M colors TFT capacitive touchscreen, 16M colors AMOLED capacitive touchscreen, 16M colors
Resolation 720 x 1280 pixels - 720 x 1280 pixels,
PPI 267 ppi pixel density - 312 ppi pixel density
Multi touch Yes - Yes
Protection Corning Gorilla Glass - Corning Gorilla Glass 4
CAMERA
Primary 13 MP, 4128 x 3096 pixels 5 MP, 2592x1944 pixels, autofocus, LED flash 12 MP, f/2.2, 31mm, autofocus, LED flash, check quality
Video Yes, 720p@30fps Yes, 720p@30fps 2160p@30fps, 1080p@60fps, 720p@120fps, check quality
Flash LED flash - Yes
Features Geo-tagging, touch focus, face detection, panorama - Geo-tagging, touch focus, face/smile detection, panorama, HDR
Selfie Yes 5 MP Yes, VGA 2.1 MP
BATTERY
Battery Li-Ion Li-Ion 1500 (3G) / 1800 (LTE) mAh battery Li-Ion battery
Capacity 3000 mAh - 1860 mAh
Removable Yes - Removable
StandBy - - Up to 350 h (3G)
Talk Time Up to 18 h (3G) - Up to 11 h (3G)
Music Play Up to 76 h - Up to 37 h
Browsing Yes - HTML5
Video Playback - - -
F Charging - - -
W Charging - - -
NETWORK
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - all versions GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 - J700F, J700H
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - J700M
HSDPA 900 / 2100 - GT-S7270, GT-S7272, HSDPA 850 / 900 / 2100 - GT-S7275 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300) - J700F
LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 17(700), 28(700) - J700M
LTE 800 / 900 / 1800 / 2600 - GT-S7275 LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800) - G850F
Speed HSPA 21.1/5.76 Mbps
HSPA, LTE Cat4 150/50 Mbps
- HSPA 42.2/5.76 Mbps, LTE-A Cat6 300/50 Mbps
5G - - -
CONECTIVY
WALAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
BlueTooth v4.1, A2DP Yes, v4.0 with A2DP v4.0, A2DP, EDR, LE
USB Yes, microUSB v2.0 Yes, microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS
NFC Yes (Snapdragon model only) - Yes
Audio jeck Yes, 3.5mm - 3.5 mm
OTHERS
Sensors Accelerometer, proximity - Fingerprint, accelerometer, gyro, proximity, compass, heart rate
Radio FM radio, RDS, recording Stereo FM radio with RDS No
SARUS 1.25 W/kg (head), 1.36 W/kg (body) - 1.18 W/kg (head) 0.75 W/kg (body)
SAREU 0.50 W/kg (head), 0.37 W/kg (body) - 0.37 W/kg (head) 0.51 W/kg (body)
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