Samsung Galaxy S2 vs Samsung Galaxy J7 Comparison and Differences

Smartphone 1

Samsung Galaxy S2

Samsung Galaxy S2

Smartphone 2

Samsung Galaxy J7

Samsung Galaxy J7

Smartphone 3

Samsung Galaxy S2 or Samsung Galaxy J7 Specs Comparison

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Common specs

Brand and model Samsung Galaxy S2 Samsung Galaxy J7
Rating (+) (+)
Release date 2011, February 2015, June
Dimensions (HxWxD) 125.3 x 66.1 x 8.5 mm | 4.93 x 4.93 x 2.6 in 152.2 x 78.7 x 7.5 mm | 5.99 x 5.99 x 3.1 in
Weight 116 g | 4.09 oz 171 g | 6.03 oz
Body Build Plastic body Plastic body
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Colors Black, White, Pink White, Black, Gold
Battery 1650 mAh,  Removable Li-Ion 3000 mAh,  Removable Li-Ion
Battery life Stand by time - Up to 710 h (2G) / Up to 610 h (3G)
Talking time - Up to 18 h 20 min (2G) / Up to 8 h 40 min (3G)
Talking time - Up to 18 h (3G)
Music play - Up to 76 h
Approximate price 170 EUR 200 EUR
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Screen

Technology Super AMOLED Plus Super AMOLED
Touchscreen capacitive touchscreen capacitive touchscreen
Display colors 16M 16M
Screen size 4.3" in 5.5" in
Screen area 52.6 cm2 83.4 cm2
Screen format 5:3 (height:width) 16:9 (height:width)
Screen to body ratio 63.5% 69.6%
Screen resolution 480 x 800 px 720 x 1280 px
Screen PPI /points per inch/ 217 PPI 267 PPI
Screen protection Corning Gorilla Glass
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Camera and Video

Rear camera, main 8 MP, Single 13 MP, Single
Camera specs -8 MP, f/2.6, 1/3.2'', AF -13 MP, f/1.9, 28mm (wide), AF
Functions LED flash LED flash, panorama
Video 1080p@30fps 1080p@30fps
Front camera, selfie 2 MP, Single 5 MP, Single
Specifications 2 MP 5 MP, f/2.2, 23mm (wide)
Functions LED flash

Performance

Operating system - OS Android 2.3.4 (Gingerbread), upgradable to 4.1 (Jelly Bean); TouchWiz UI 4 Android 5.1 (Lollipop), upgradable to 6.0.1 (Marshmallow)
Chipset - Exynos 4210 Dual (45 nm) - Exynos 7580 Octa
- Qualcomm MSM8939 Snapdragon 615 (28 nm)
CPU - Dual-core 1.2 GHz Cortex-A9 - Octa-core (4x1.4 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
-Octa-core 1.5 GHz Cortex-A53
GPU Mali-400MP4 Adreno 405
Mali-T720MP2
External memory microSD, up to 32 GB (dedicated slot) microSD, up to 256 GB (dedicated slot)
Internal memory 16/32 GB, 1 GB RAM 16 GB, 1.5 GB RAM

Benchmark

Antutu 7 Total
GeekBench 5 Single Core 117
GeekBench 5 Multi-Core 434
GeekBench 4 Single Core 415 693
GeekBench 4 Multi-Core 639 3327
GeekBench 4 RenderScript 346 1997

Communication and Connectivity

SIM card Mini-SIM Single SIM (Micro-SIM)Dual SIM (Micro-SIM, dual stand-by)
Network GSM / HSPA GSM / HSPA / LTE
Bands -2G - GSM 850 / 900 / 1800 / 1900
-2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
-3G - HSDPA 850 / 900 / 1900 / 2100
-4G - LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300)
Speed HSPA 21.1/5.76 Mbps HSPA 21.1/5.76 MbpsHSPA, LTE Cat4 150/50 Mbps
GPRS Class 12 Yes
Edge Yes Yes
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
GPS Yes, with A-GPS Yes, with A-GPS, GLONASS
NFC Optional Yes (Snapdragon model only)
USB microUSB 2.0 (MHL TV-out), USB Host microUSB 2.0
Bluetooth 3.0, A2DP, aptX 4.1, A2DP
Harmful irradiation SAR - 0.16 W/kg (head)     0.96 W/kg (body)    
SAR EU - 0.34 W/kg (head)    
SAR - 1.25 W/kg (head)     1.36 W/kg (body)    
SAR EU - 0.50 W/kg (head)     0.37 W/kg (body)    

Music and Audio

Radio Stereo FM radio, RDS FM radio, RDS, recording
Headphone jack Yes Yes
Others - Active noise cancellation with dedicated mic

Other features

Sensors - Accelerometer, gyro, proximity, compass - Accelerometer, proximity
Other extras
- ANT+
Versions
- Versions: J700F (India, Thailand); J700M (LATAM); J700M/DS (Brazil); J700H with no LTE (South Africa, Pakistan, Vietnam, Philippines, Russia); J700T (T-Mobile, Metro PCS); J700P (Virgin Mobile, Boost)

Reviews and Opinions on Samsung Galaxy S2 and Samsung Galaxy J7

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