Samsung Galaxy A8 32GB vs Samsung Galaxy Tab Pro 8.4 vs Samsung Galaxy A7

BASIC INFO
Model No - Samsung T325 with 3G/LTE Samsung T321 with 3G only A700F (EMEA), A700FD (Malaysia, Pakistan), A700K/A700S/A700L (Korea)
Status Exp. release 2015, Q3 Available. Released 2014, February Available. Released 2015, February
Release Date 2015, July 2014, January 2015, January
Dimension 158 x 76.8 x 5.9 mm (6.22 x 3.02 x 0.23 in) 219 x 128.5 x 7.2 mm (8.62 x 5.06 x 0.28 in) 151.2 x 76.2 x 6.3 mm
Weight 151 g 335 g (11.82 oz)) 141 g (4.97 oz)
Colors Pearl White, Midnight Black, Champagne Gold White dark blue, white and gold
Body Metrial - - -
W & D Proof - No -
SIM Type - Micro-SIM Nano-SIM
Technology - GSM / HSPA / LTE GSM / HSPA / LTE
OS Android OS, v5.0.2 (Lollipop) Android OS, v4.4 (KitKat) Android OS, v 4.4.2 (KitKat)
PROSESSING
Processor Qualcomm Snapdragon 615 Quad core 1.5 GHz Cortex A53 and Quad core 1.0GHz Cortex A53 Octa core Proce Quad-core 2.3 GHz Krait 40 Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53 - A700FD
Quad-core 1.8 Cortex-A15 GHz & quad-core 1.3 Cortex-A7 GHz - A700F
Chipset - Qualcomm Snapdragon 800 Qualcomm MSM8939 Snapdragon 615 - A700FD
Exynos 5430 Octa - A700F
GPU - Adreno 330 Adreno 405 - A700FD
Mali-T628 MP6 - A700F
MEMORY
RAM - 2GB 2GB
Storage - 16/32GB 16GB
Card Slot 32GB Storage, 2GB RAM, microSD, up to 64 GB microSD, up to 64 GB Up to 64 GB (dedicated slot)
DISPLAY
Size 1080 x 1920 pixels 5.7 inches with 401 ppi pixel density 8.4 inches 5.5 Inches
Type Super Amoled capacitive touchscreen, 16M colors Super clear LCD capacitive touchscreen, 16M colors HD Super Amoled capacitive touchscreen, 16M colors
Resolation - 2560 x 1600 pixels 720 x 1280 pixels
PPI - 359 ppi pixel density 401 ppi pixel density
Multi touch - Yes Yes
Protection - - Corning Gorilla Glass 4
CAMERA
Primary 16 MP Dual Lens, 3456 x 4608 pixels, optical image stabilization, autofocus, triple-LED flash, Geo-tagging, touch focus, face detection, panorama, HDR 8 MP, 3264x2448 pixels, autofocus 13 MP, 4164 x 3096 pixels
Video Yes, 720p@30fps Yes, 1080p@60fps Yes, 720p@30fps
Flash - LED flash LED Flash
Features - Geo-tagging, face and smile detection features Geo-tagging, touch focus, face detection, panorama, HDR
Selfie Yes 5 MP Yes, 2 MP, 1080p@30fps Yes 5 MP
BATTERY
Battery Non-removable Li-Ion 3050 mAh battery Li-Ion battery Li-Ion
Capacity - 4800 mAh 2600 mAh
Removable - Non-removable Non-removable
StandBy - Up to 127 h -
Talk Time - Up to 10 h Up to 17 h (3G)
Music Play - Up to 132 h Up to 54 h
Browsing - Up to 10 h -
Video Playback - Up to 11 h -
F Charging - - -
W Charging - - -
NETWORK
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 - A700FD, A700F
4G Network LTE 800 / 900 / 1800 / 2600 LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - SM-T325 LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - A700F
LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300) - A700FD
Speed - HSPA 42.2/5.76 Mbps (T321)/ LTE Cat4 150/50 Mbps (T325) HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
5G - - -
CONECTIVY
WALAN Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual-band, WiFi Direct, hotspot
BlueTooth V4.0 with A2DP Yes, v4.0 with A2DP v4.0, A2DP, EDR, LE
USB MicroUSB v2.0 Yes, microUSB v2.0, USB Host microUSB v2.0
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS/ BDS (market dependant)
NFC - Yes Yes
Audio jeck - 3.5 mm Jack Yes, 3.5mm
OTHERS
Sensors - Accelerometer, gyro, compass Accelerometer, proximity, compass
Radio FM radio TBD FM radio, RDS, recording
SARUS - - 1.05 W/kg (head) 0.80 W/kg (body)
SAREU - - 0.41 W/kg (head) 0.55 W/kg (body)
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