Category Breakdown
Samsung DoubleTime I857
Samsung Galaxy Pro B7510
Performance
60.251.4
Camera
10.611.7
Display
33.233.2
Battery
12.313.6
Build
17.20.2
Connectivity
21.426.4
Audio
8.98.9
Overall
19.517.6
Summary
- The Samsung DoubleTime I857 and Samsung Galaxy Pro B7510 both released in 2011, exhibit notable differences in build quality and performance.
- The DoubleTime is bulkier at 148g and has a larger 3.2-inch display, while the Galaxy Pro is lighter at 103.4g with a smaller 2.8-inch screen.
- Both devices feature a 3.15 MP rear camera, but the Galaxy Pro can record video at 30fps, compared to the DoubleTime's lower quality.
- In terms of battery, the Galaxy Pro has a slightly larger 1350 mAh capacity versus the DoubleTime's 1200 mAh.
- Both run on Android 2.2, but the Galaxy Pro has a marginally updated version (2.2.2) and offers Wi-Fi connectivity, which the DoubleTime lacks.
- Performance-wise, the DoubleTime has 256MB of RAM, while the Galaxy Pro has 270MB, providing a slight edge in multitasking capabilities.
Side-by-side Specification Comparison
Samsung DoubleTime I857
Samsung Galaxy Pro B7510
General
Release Date
2011
2011
Announced
2011
2011
Description
For AT&T
N/A
Display
Size
3.2"
2.8"
Type
TFT, 256K colors
TFT, 256K colors
Resolution
320 x 480 pixels, 3:2 ratio (~180 ppi density)
320 x 240 pixels, 4:3 ratio (~143 ppi density)
PPI
320
320
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Qualcomm MSM7230
N/A
CPU
800 MHz Scorpion
800 MHz ARMv6
GPU
Adreno 205
N/A
Memory
260MB 256MB RAM
270MB RAM (160MB user available)
Expandable Storage
✗
✗
Card Slot
microSDHC (dedicated slot)
microSDHC (dedicated slot), 2 GB included
Camera
Main Camera
3.15 MP, AF
3.15 MP, AF
Main Camera Features
N/A
N/A
Front Camera
N/A
N/A
Front Camera Features
N/A
N/A
Video Recording
320p
320p@30fps
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
1200 mAh
1350 mAh
Battery Details
Removable Li-Ion 1200 mAh battery
Removable Li-Ion 1350 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
113 x 62 x 15 mm (4.45 x 2.44 x 0.59 in)
108.6 x 66.7 x 10.7 mm (4.28 x 2.63 x 0.42 in)
Weight
148 g
103.4 g
Materials
N/A
N/A
Colors
Black/white
Black, White
Foldable
✗
✗
SAR
0.54 W/kg (head) 0.97 W/kg (body)
N/A
Connectivity
SIM
Mini-SIM
Mini-SIM
Network
GSM / HSPA
GSM / HSPA
Network Speed
HSPA 7.2/2 Mbps
HSPA 7.2/0.384 Mbps
5G
✗
✗
4G
✗
✗
WiFi
No
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
3.0, A2DP
3.0, A2DP
NFC
✗
✗
USB
microUSB 2.0
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, A-GPS
GPS, A-GPS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 2.2 (Froyo)
Android 2.2.2 (Froyo)
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, proximity, compass
Accelerometer, proximity, compass

