Phone Comparison - Samsung Ativ S vs Nokia Lumia 820 vs Nokia Lumia 925

general General Info

Manufacturer Samsung Nokia Nokia
Announced August 2012 Expected September 2012 May 2013
Status Released - December 2012 Available - November 2012 Available - June 2013
Colors Gray Black, Gray, Red, Yellow, White, Blue, Violet Black, White
Form Factor Candybar Candybar Candybar
Dimension 137.2 x 70.5 x 8.7 mm
(5.4 x 2.78 x 0.34 in)
123.8 x 68.5 x 9.9 mm
(4.87 x 2.7 x 0.39 in)
129 x 70.6 x 8.5 mm
(5.08 x 2.78 x 0.33 in)
Weight 135 g (4.76 oz) 160 g (5.64 oz) 139 g (4.9 oz)
2G Network GSM 850 / 900 / 1800 / 1900 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 - RM-892, RM-893
HSDPA 850 / 900 / 1700 / 1900 / 2100 - RM-910
4G Network - LTE 800 / 1800 / 2600 / 2100/ 900 LTE 800 / 900 / 1800 / 2100 / 2600 - RM-892
LTE 700 / 1700 / 2100 - RM-893
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Microsoft Windows Phone 8 Microsoft Windows Phone 8 Microsoft Windows Phone 8
Processor Dual-core Krait 1.5 GHz, Qualcomm MSM8960 Snapdragon Dual-core 1.5 GHz Krait, Qualcomm MSM8960 Snapdragon Dual-core 1.5 GHz Krait, Qualcomm MSM8960 Snapdragon
GPU Adreno 225 Adreno 225 Adreno 225
RAM 1 GB 1 GB 1 GB
Internal Memory 16/32 GB storage 8 GB storage 16/32 GB storage
External Memory microSD, up to 32 GB microSD, up to 32 GB No

display Display

Type Super AMOLED capacitive touchscreen AMOLED capacitive touchscreen AMOLED capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.8 inches 4.3 inches 4.5 inches
Resolution 720 x 1280 pixels (306 ppi) 480 x 800 pixels (217 ppi) 768 x 1280 pixels (332 ppi)
Screen-to-Body Ratio 65.65% 62.04% 63.18%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio Stereo FM radio with RDS No FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 8 MP, 3264x2448 pixels 8 MP, 3264x2448 pixels, Carl Zeiss Tessa 8.7 MP, 3264 x 2448 pixels
Flash LED flash LED flash Dual-LED flash
Features Auto focus, Geo-tagging, Image Stabilization Auto focus, Geo-tagging PureView Technology, Geo-tagging, Touch Focus, Optical image stabilization, Still image editor, Face recognition
Video Yes, 1080p@30fps Yes Yes, 1080p@30fps, video stabilization
Front Camera Yes, 1.9 MP [Similar] Yes [Similar] Yes, 1.2 MP wide Angle, 720p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps
Edge Yes Yes Up to 236.8 kbps
3G HSDPA, 42 Mbps; HSUPA, 5.76 Mbps HSDPA, 42 Mbps
HSUPA, 5.76 Mbps
LTE, Cat3, 50 Mbps UL, 100 Mbps DL
HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL
Bluetooth Yes, v3.0 with A2DP Yes, v3.1 with A2DP, EDR Yes, v4.0 with A2DP, EDR
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 b/g/n Wi-Fi 802.11 a/b/g/n, dual-band, DLNA, Wi-Fi hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS support Yes, with A-GPS support and GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16/32 GB storage, 1 GB RAM 8 GB storage, 1 GB RAM 16/32 GB storage, 1 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 32 GB No

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 supported NFC supported NFC supported

battery Battery

Type Standard battery, Li-Ion Standard battery, Li-Ion Non-removable Li-Ion Battery (BL-4YW)
Capacity 2300 mAh 1650 mAh 2000 mAh
Stand by Up to 168 h (2G)
Up to 218 h (3G)
Up to 330 h (2G)
Up to 330 h (3G)
Up to 440 h (3G)
Talk Time Up to 8 h (2G)
Up to 14 h 50 min (3G)
Up to 14 h (2G)
Up to 8 h (3G)
Up to 18 h 18 min (2G)
Up to 12 h 48 min (3G)