Home/Motorola/Motorola KRZR K3 vs Sony Ericsson Z750
Motorola KRZR K3

Motorola KRZR K3

#9804
Sony Ericsson Z750

Sony Ericsson Z750

#9776

Category Breakdown

Motorola KRZR K3
Sony Ericsson Z750
Performance
24.622.3
Camera
8.710.0
Display
32.332.3
Battery
8.68.8
Build
14.214.3
Connectivity
10.514.6
Audio
8.98.9
Overall
11.411.5

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

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 Features

N/A
N/A

Front Camera

VGA videocall camera
Videocall camera

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-33)

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)
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

Colors

Dark Pearl Gray, Stone Gray
Phantom Grey, Rose Pink, Mysterious Purple, Platinum Silver

Foldable

SAR

0.17 W/kg (head)     0.34 W/kg (body)
1.48 W/kg (head)     1.09 W/kg (body)

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

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