• Dell Streak 7 Wi-Fi vs Lenovo Vibe Z K910 vs Samsung Galaxy Core 2 Duos

Phone Comparison - Dell Streak 7 Wi-Fi vs Lenovo Vibe Z K910 vs Samsung Galaxy Core 2 Duos

general General Info

Manufacturer Dell Lenovo Samsung
Announced February 2011 November 2013 June 2014
Status Available - April 2011 Available - January 2014 Available - July 2014
Colors Gray Black White, Black
Form Factor Candybar Candybar Candybar
Dimension 200 x 119.8 x 12.4 mm
(7.87 x 4.72 x 0.49 in)
7.9 mm thickness
(0.31 in thickness)
130.3 x 68 x 9.8 mm
(5.13 x 2.68 x 0.39 in)
Weight 453.6 g (15.98.0.21 oz) 147 g (5.19 oz) 138 g (4.87 oz)
2G Network N/A GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 2100 HSDPA 900 / 2100
4G Network - LTE -
Messaging , EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v2.2 (Froyo) Android OS, v4.3 (Jelly Bean) Android OS, v4.4.2 (KitKat)
Processor Dual-core 1 GHz Cortex-A9, Nvidia Tegra 2 T20 Quad-core 2.2 GHz Krait 400, Qualcomm Snapdragon 800 Quad-core 1.2 GHz
GPU ULP GeForce Adreno 330 -
RAM N/A 2 GB 768 MB
Internal Memory 16 GB storage 16 GB ROM 4 GB
External Memory microSD, up to 32GB microSD, up to 32 GB microSD, up to 64 GB

display Display

Type TFT capacitive touchscreen IPS LCD Capacitive Touchscreen TFT capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 7.0 inches 5.5 inches 4.5 inches
Resolution 480 x 800 pixels (133 ppi) 1080 x 1920 pixels (401 ppi) 480 x 800 pixels (207 ppi)
Screen-to-Body Ratio 58.45% - 65.25%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No - FM Radio
Games Yes Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 5 MP, 2592х1944 pixels 13 MP, 4128 x 3096 pixels 5 MP, 2592 х 1944 pixels
Flash LED flash Dual-LED flash LED flash
Features Auto focus, Geo-tagging Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection
Video Yes, 720p Yes, 1080p@30fps Yes
Front Camera Yes, 1.3 MP [Similar] Yes, 5 MP [Similar] Yes, VGA [Similar]

connectivity Connectivity and Data Rate

GPRS No Yes Yes
Edge No Yes Yes
3G No DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 150 Mbps DL HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes, v2.1 with A2DP, EDR Yes, v4.0 with A2DP Yes, v4.0 with A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual band, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot
USB Yes, v2.0 Yes, microUSB v2.0 Yes, microUSB v2.0
GPS Yes Yes, with A-GPS support Yes, with A-GPS support and GLONASS
Browser HTML, Adobe Flash HTML5 HTML

memory User Memory

Internal 16 GB storage 16 GB ROM, 2 GB RAM 4 GB, 768 MB RAM
Expandable Storage microSD, up to 32GB microSD, up to 32 GB microSD, up to 64 GB

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint not supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
NFC NFC not supported NFC not supported NFC not supported

battery Battery

Type Standard battery, Li-Ion - Li-Ion Battery
Capacity 2780 mAh - 2000 mAh
Stand by Up to 72 h - -
Talk Time Up to 4 h - -