Samsung Galaxy S6 CDMA vs Samsung Galaxy S3 I9300 vs Samsung Galaxy A7 Dual SIM

BASIC INFO
Model No Samsung Galaxy S6 G920 - A7000, A7009, A700H, A700YD
Status Available. Released 2015, April Available. Released 2014, March Available. Released 2015, February
Release Date 2015, March 2014, March 2015, January
Dimension 143.5 x 70.6 x 6.9 mm (5.65 x 2.78 x 0.27 in) 133 x 66 x 9.7 mm (5.24 x 2.60 x 0.38 in) 151 x 76.2 x 6.3 mm (5.94 x 3.00 x 0.25 in)
Weight 140 g (4.94 oz) 139 g (4.9 oz) 141 g (4.97 oz)
Colors White Pearl, Black Sapphire, Gold Platinum White, Black Pearl White, Midnight Black, Champagne Gold
Body Metrial - - -
W & D Proof - - -
SIM Type Nano-SIM - Dual SIM (Nano-SIM, dual stand-by)
Technology GSM / CDMA / EVDO - GSM / HSPA / LTE
OS Android OS, v5.0 (Lollipop) Android OS, v4.2 (Jelly Bean) Android OS, v 4.4.2 (KitKat)
PROSESSING
Processor Quad-core 1.5 GHz Cortex-A53 & Quad-core 2.1 GHz Cortex-A57 Quad-core 1.2 GHz Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53
Chipset Exynos 7420 Octa - Qualcomm MSM8939 Snapdragon 615
GPU Mali-T760MP8 - Adreno 405
MEMORY
RAM 3GB - 2GB
Storage 32/64/128GB - 16GB
Card Slot No 8 GB, 1 GB RAM, microSD, up to 32 GB up to 64 GB (dedicated slot)
DISPLAY
Size 5.1 inches 540 x 960 pixels, 4.5 inches (~244 ppi pixel density) 5.5 Inches
Type Super AMOLED capacitive touchscreen, 16M colors, Fingerprint sensor (PayPal certified) - IP67 certi TFT capacitive touchscreen, 16M colors Super AMOLED capacitive touchscreen, 16M colors
Resolation 2560 x 1440 pixels - 1080 x 1920 pixels
PPI 577 ppi Pixel density - 401 ppi pixel density
Multi touch Yes - Yes
Protection Corning Gorilla Glass 4 - Corning Gorilla Glass 4
CAMERA
Primary 6 MP, f/1.9, 28mm, OIS, autofocus 5 MP, 2592 х 1944 pixels, autofocus, LED flash 13 MP, f/2.0, 28mm, autofocus
Video 2160p@30fps, 1080p@60fps, 720p@120fps, HDR, dual-video rec. Yes, 720p@30fps 1080p@30fps
Flash Led flash - Led flash
Features 1/2.6 sensor size, 1.12 µm pixel size, geo-tagging, touch focus, face detection, Auto HDR, panorama - Geo-tagging, touch focus, face detection, panorama, HDR
Selfie 5 MP, f/1.9, 22mm, 1440p@30fps, dual video call, Auto HDR Yes, VGA 5 MP, f/2.2, 23mm, 1080p
BATTERY
Battery Li-Ion Standard Li-Ion 2100 mAh battery Li-Ion
Capacity 2550 mAh - 2600 mAh
Removable Non-removable - Non-removable
StandBy - - -
Talk Time Up to 23 h (3G) - Up to 17 h (3G)
Music Play Up to 57 h - Up to 54 h
Browsing - - -
Video Playback - - -
F Charging - - -
W Charging - - -
NETWORK
2G Network GSM 850 / 900 / 1800 / 1900 - G920V, G920P
CDMA 800 / 1900 - G920V, G920P, G920R
GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 - G920V
CDMA2000 1xEV-DO - G920V, G920P, G920R
HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 - A700YD, A700H
4G Network LTE band 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 13(700) - G920V
LTE band 2(1900), 4(1700/2100), 5(850), 12(700), 25(1900), 26(850), 41(2500) - G920P
LTE band 2(1900), 4(1700/2100), 5(850), 12(700), 13(700), 17(700), 25(1900) - G920R
- LTE band 1(2100), 3(1800), 7(2600), 8(900), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - A700YD
Speed HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps, EV-DO Rev.A 3.1 Mbps - HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
5G - - -
CONECTIVY
WALAN 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, DLNA, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual-band, WiFi Direct, hotspot
BlueTooth v4.1, A2DP, LE, apt-X Yes, v4.0 with A2DP, EDR v4.0, A2DP, EDR, LE
USB microUSB v2.0, USB Host Yes, microUSB (MHL) v2.0, USB Host support MicroUSB v2.0
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS/ BDS (market dependant)
NFC Yes - Yes (A700YD)
Audio jeck Yes, 3.5mm - Yes, 3.5mm
OTHERS
Sensors Fingerprint, accelerometer, gyro, proximity, compass, barometer, heart rate, SpO2 - Accelerometer, proximity, compass
Radio TBD - FM radio
SARUS 1.09 W/kg (head) 1.13 W/kg (body) - 1.25 W/kg (head) 1.05 W/kg (body)
SAREU 0.22 W/kg (head) 0.66 W/kg (body) - 0.29 W/kg (head) 0.39 W/kg (body)
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