Category Breakdown
Motorola KRZR K3
Sony Ericsson Z750
Performance
54.354.3
Camera
41.941.9
Display
53.453.4
Battery
43.543.5
Build
70.870.8
Overall
51.051.0
Summary
- The Motorola KRZR K3 and Sony Ericsson Z750 both feature solid build quality with a similar weight of 110g, but the KRZR is slightly more compact with smaller dimensions.
- The KRZR has a 2.0-inch display compared to the Z750's 2.2-inch screen, both offering a resolution of 240 x 320 pixels; however, the Z750 has a lower pixel density.
- In terms of performance, the KRZR has more RAM at 50MB versus the Z750's 32MB, but both have limited storage capacities.
- Both devices feature a 2 MP rear camera without OIS, but the Z750 can record video at 320p@15fps, while the KRZR's video capabilities are limited to QCIF.
- The KRZR has a 910mAh battery, while the Z750 offers a slightly larger 930mAh battery, but both lack fast charging and wireless capabilities.
- Software experiences are similar, with both lacking advanced features such as stereo speakers or headphone jacks.
Side-by-side Specification Comparison
Motorola KRZR K3
Sony Ericsson Z750
General
Release Date
2007
2007
Announced
2007
2007
Description
N/A
N/A
Display
Size
2"
2.2"
Type
TFT, 256K colors
TFT, 256K colors
Resolution
240 x 320 pixels, 4:3 ratio (~200 ppi density)
240 x 320 pixels, 4:3 ratio (~182 ppi density)
PPI
240
240
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
N/A
N/A
CPU
N/A
N/A
GPU
N/A
N/A
Memory
50MB
32MB
Expandable Storage
✗
✗
Card Slot
microSD (dedicated slot)
Memory Stick Micro (M2), up to 2 GB
Camera
Main Camera
2 MP
2 MP
Main Camera Details
2 MP
2 MP
Front Camera
N/A
N/A
Front Camera Details
VGA videocall camera
Videocall camera
Video Recording
QCIF
320p@15fps
Selfie Video
N/A
N/A
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
910 mAh
930 mAh
Battery Details
Removable Li-Ion 910 mAh battery
Removable Li-Po 930 mAh battery (BST-33)
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
103 x 42.3 x 16.3 mm, 63 cc (4.06 x 1.67 x 0.64 in)
97.4 x 49 x 20 mm (3.83 x 1.93 x 0.79 in)
Weight
110 g
110 g
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Dark Pearl Gray, Stone Gray
Phantom Grey, Rose Pink, Mysterious Purple, Platinum Silver
Foldable
✗
✗
Connectivity
SIM
Mini-SIM
Mini-SIM
Network
GSM / HSPA
GSM / HSPA
Network Speed
HSPA 3.6/0.384 Mbps
HSPA 1.8 Mbps
5G
✗
✗
4G
✗
✗
WiFi
No
No
Bluetooth
2.0, A2DP
2.0, A2DP
NFC
✗
✗
USB
miniUSB
2.0
IR Blaster
✗
✗
Headphone Jack
✗
✗
Radio
✗
✗
Positioning
No
No
Software
Operating System
N/A
N/A
OS Version
N/A
N/A
Security
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
N/A
N/A
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
No
No

