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Samsung Galaxy Alpha

Samsung I9100 Galaxy S II

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Samsung Galaxy Alpha

Samsung I9100 Galaxy S II

Network
Technology GSM / HSPA / LTE GSM / HSPA
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network 1, 2, 3, 5, 7, 8, 20 - G850F
  1, 2, 3, 4, 5, 7, 17 - SM-G850M
Speed HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps HSPA 21.1/5.76 Mbps
Launch
Announced 2014, August. Released 2014, September 2011, February. Released 2011, April
Status Discontinued Discontinued
Body
Dimensions 132.4 x 65.5 x 6.7 mm (5.21 x 2.58 x 0.26 in) 125.3 x 66.1 x 8.5 mm (4.93 x 2.60 x 0.33 in)
Weight 115 g (4.06 oz) 116 g (4.09 oz)
Build Glass front (Gorilla Glass 4), plastic back, aluminum frame Glass front (Gorilla Glass), plastic back, plastic frame
SIM Nano-SIM Mini-SIM
Display
Type Super AMOLED Super AMOLED Plus
Size 4.7 inches, 60.9 cm2 (~70.2% screen-to-body ratio) 4.3 inches, 52.6 cm2 (~63.5% screen-to-body ratio)
Resolution 720 x 1280 pixels, 16:9 ratio (~312 ppi density) 480 x 800 pixels, 5:3 ratio (~217 ppi density)
Protection Corning Gorilla Glass 4 Corning Gorilla Glass
Platform
OS Android 4.4.4 (KitKat), upgradable to 5.0.2 (Lollipop) Android 2.3.4 (Gingerbread), upgradable to 4.1 (Jelly Bean), TouchWiz UI 4
Chipset Exynos 5430 Octa (20 nm) Exynos 4210 Dual
CPU Octa-core (4x1.8 GHz Cortex-A15 & 4x1.3 GHz Cortex-A7) Dual-core 1.2 GHz Cortex-A9
GPU Mali-T628 MP6 Mali-400MP4
Memory
Card slot No microSDHC (dedicated slot)
Internal 32GB 2GB RAM 16GB 1GB RAM, 32GB 1GB RAM
 eMMC 5.0
Main Camera
Modules 12 MP, f/2.2, 31mm (standard), AF 8 MP, f/2.6, 1/3.2", AF
Features LED flash, panorama, HDR LED flash
Video 4K@30fps, 1080p@60fps, 720p@120fps 1080p@30fps
Selfie Camera
Modules 2.1 MP 2 MP
Video
ADVERTISEMENT
Sound
Loudspeaker Yes Yes
3.5mm jack Yes Yes
Comms
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot
Bluetooth 4.0, A2DP, EDR, LE 3.0, A2DP, aptX
Positioning GPS, GLONASS GPS, A-GPS
NFC Yes Optional
Infrared port No No
Radio No Stereo FM radio, RDS
USB microUSB 2.0 microUSB 2.0 (MHL TV-out), OTG
Features
Sensors Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, heart rate Accelerometer, gyro, proximity, compass
 ANT+
Battery
Type Li-Ion 1860 mAh, removable Removable Li-Ion 1650 mAh battery
Stand-by Up to 350 h (3G) Up to 710 h (2G) / Up to 610 h (3G)
Talk time Up to 11 h (3G) Up to 18 h 20 min (2G) / Up to 8 h 40 min (3G)
Music play Up to 37 h
Misc
Colors Charcoal Black, Sleek Silver, Dazzling White, Frosted Gold, Scuba Blue Black, White, Pink
SAR 1.18 W/kg (head)     0.75 W/kg (body)     0.16 W/kg (head)     0.96 W/kg (body)    
SAR EU 0.37 W/kg (head)     0.51 W/kg (body)     0.34 W/kg (head)    
Models SM-G850F, SM-G850FQ, SM-G850Y, SM-G850M, SM-G850T, SM-G850A, SM-G850S, SM-G850L, SM-G850K GT-I9100, GT-I9100G, GT-I9100T
Price About 390 EUR About 170 EUR
Tests
Performance Basemark OS II 2.0: 1054
Basemark X: 11065
Display Contrast ratio: Infinite (nominal), 3.509 (sunlight) Contrast ratio: Infinite (nominal) / 2.832:1 (sunlight)
Camera Compare PHOTO / Compare VIDEO
Loudspeaker Voice 66dB / Noise 61dB / Ring 75dB Voice 70dB / Noise 66dB / Ring 75dB
Audio quality Noise -95.7dB / Crosstalk -65.6dB Noise -91.4dB / Crosstalk -89.7dB
Battery (old) Endurance rating 52h Endurance rating 40h

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