Category Breakdown
Mitac MIO Explora K75
Samsung Galaxy 551
Performance
38.841.7
Camera
39.610.0
Display
10.815.2
Battery
10.312.3
Build
0.216.4
Connectivity
21.326.5
Audio
8.98.9
Overall
14.413.8
Summary
- The Mitac MIO Explora K75 features a 3.5-inch TFT resistive touchscreen with a resolution of 240 x 400 pixels, while the Samsung Galaxy 551 has a slightly smaller 3.2-inch TFT display with the same resolution but a higher pixel density.
- In terms of performance, the Galaxy 551 is powered by a 600 MHz Qualcomm MSM7227 chipset, compared to the K75's 528 MHz Qualcomm MSM7201A, and it also has more RAM at 160MB versus 128MB.
- Both phones have a 3.15 MP rear camera, but the Galaxy 551 includes autofocus, enhancing its photographic capabilities.
- The Galaxy 551 also boasts a larger 1200 mAh battery compared to the K75's 1000 mAh, potentially offering better longevity.
- Software-wise, the K75 runs on Windows Mobile 6.1, while the Galaxy 551 operates on Android 2.2 with an upgrade option to 2.3.6, providing a more modern user experience.
Side-by-side Specification Comparison
Mitac MIO Explora K75
Samsung Galaxy 551
General
Release Date
2009
2010
Announced
2009
2010
Description
N/A
Also known as Samsung I5510, Samsung Callisto
Display
Size
3.5"
3.2"
Type
TFT resistive touchscreen, 256K colors (65K effective)
TFT
Resolution
240 x 400 pixels, 5:3 ratio (~133 ppi density)
240 x 400 pixels, 5:3 ratio (~146 ppi density)
PPI
240
240
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Qualcomm MSM7201A
Qualcomm MSM7227 Snapdragon S1
CPU
528 MHz ARM 11
600 MHz
GPU
Adreno 130
Adreno 200
Memory
128MB RAM, 256MB ROM
160MB
Expandable Storage
✗
✗
Card Slot
microSD (dedicated slot)
microSDHC (dedicated slot), 1 GB included
Camera
Main Camera
3.15 MP
3.15 MP, AF
Main Camera Features
N/A
N/A
Front Camera
VGA videocall camera
N/A
Front Camera Features
N/A
N/A
Video Recording
Yes
320p@15fps
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
1000 mAh
1200 mAh
Battery Details
Removable Li-Ion 1000 mAh battery
Removable Li-Ion 1200 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
115.3 x 61.5 x 11.9 mm (4.54 x 2.42 x 0.47 in)
111 x 55 x 15.2 mm (4.37 x 2.17 x 0.60 in)
Weight
115 g
117 g
Materials
N/A
N/A
Colors
Black
Black
Foldable
✗
✗
SAR
N/A
0.18 W/kg (head) 0.90 W/kg (body)
Connectivity
SIM
Mini-SIM
Mini-SIM
Network
GSM / HSPA
GSM / HSPA
Network Speed
HSPA
HSPA 7.2/0.384 Mbps
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11 b/g
Wi-Fi 802.11 b/g/n, DLNA, hotspot
Bluetooth
2.1, A2DP
2.1, A2DP
NFC
✗
✗
USB
miniUSB 2.0
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✗
✓
Radio
✗
✗
Positioning
GPS, Qualcomm gpsOne
GPS, A-GPS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
No
Yes
Software & Security
Operating System
Windows Mobile 6.1 Professional
Android 2.2 (Froyo), upgradable to 2.3.6 (Gingerbread)
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer
Accelerometer, proximity, compass

