Category Breakdown
Motorola KRZR K3
Sony Ericsson Z770
Performance
24.622.3
Camera
8.710.0
Display
32.332.3
Battery
8.68.8
Build
14.216.7
Connectivity
10.514.1
Audio
8.98.9
Overall
11.411.9
Summary
- The Motorola KRZR K3 features a slightly smaller 2.0-inch display compared to the 2.2-inch screen of the Sony Ericsson Z770, both with a resolution of 240 x 320 pixels.
- In terms of performance, the KRZR K3 has 50MB of storage and 50MB of RAM, while the Z770 offers 32MB of storage and 32MB of RAM.
- Both devices have a 2 MP rear camera without OIS, but the Z770 supports video recording at 320p@15fps, whereas the KRZR K3 records in QCIF.
- The KRZR K3 is heavier at 110g compared to the 91g of the Z770, and the battery capacity of the Z770 is slightly higher at 930mAh versus 910mAh for the KRZR K3.
- Both phones lack advanced software features and do not support wireless charging or modern connectivity options.
Side-by-side Specification Comparison
Motorola KRZR K3
Sony Ericsson Z770
General
Release Date
2007
2008
Announced
2007
2008
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
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 8 GB
Camera
Main Camera
2 MP
2 MP
Main Camera Features
N/A
N/A
Front Camera
VGA videocall camera
N/A
Front Camera Features
N/A
N/A
Video Recording
QCIF
320p@15fps
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
910 mAh
930 mAh
Battery Details
Removable Li-Ion 910 mAh battery
Removable Li-Po 930 mAh battery (BST-38)
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
103 x 42.3 x 16.3 mm, 63 cc (4.06 x 1.67 x 0.64 in)
93 x 48 x 16 mm (3.66 x 1.89 x 0.63 in)
Weight
110 g
91 g
Materials
N/A
N/A
Colors
Dark Pearl Gray, Stone Gray
Vogue Red, Graphite Black,Exquisite Gold
Foldable
✗
✗
SAR
0.17 W/kg (head) 0.34 W/kg (body)
0.66 W/kg (head) 0.84 W/kg (body)
Connectivity
SIM
Mini-SIM
Mini-SIM
Network
GSM / HSPA
GSM / HSPA
Network Speed
HSPA 3.6/0.384 Mbps
HSPA 3.6/0.384 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
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
No
No
Software & Security
Operating System
N/A
N/A
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
N/A
N/A

