Home/Motorola/Motorola RIZR Z8 vs O2 XDA Comet
Motorola RIZR Z8

Motorola RIZR Z8

#8348
O2 XDA Comet

O2 XDA Comet

#8309

Category Breakdown

Motorola RIZR Z8
O2 XDA Comet
Performance
59.559.5
Camera
41.941.9
Display
53.453.4
Battery
43.543.5
Build
70.870.8
Overall
52.652.6

Summary

  • The Motorola RIZR Z8 features a compact build with dimensions of 109 x 50 x 15 mm and weighs 112g, while the O2 XDA Comet is slightly larger at 106 x 58 x 19 mm and heavier at 145g.
  • The RIZR Z8 has a 2.2-inch TFT display with a resolution of 240 x 320 pixels, compared to the O2 XDA Comet's 2.7-inch TFT resistive touchscreen, also at 240 x 320 pixels, but with a lower pixel density.
  • In terms of performance, the RIZR Z8 is powered by a 300 MHz ARM CPU, while the O2 XDA Comet has a more capable 620 MHz Intel XScale CPU.
  • Both devices have a 2 MP rear camera, but the O2 XDA Comet supports video recording, which the RIZR Z8 does not.
  • The RIZR Z8 has a 1030 mAh battery, while the O2 XDA Comet's battery capacity is unspecified.
  • Software-wise, the RIZR runs on Symbian 9.2, whereas the O2 XDA Comet operates on Microsoft Windows Mobile 6.0 Professional, offering different user experiences.

Side-by-side Specification Comparison

Motorola RIZR Z8
O2 XDA Comet

General

Release Date

2007
2007

Announced

2007
2007

Description

N/A
N/A

Display

Size

2.2"
2.7"

Type

TFT, 16M colors
TFT resistive touchscreen, 65K colors

Resolution

240 x 320 pixels, 4:3 ratio (~182 ppi density)
240 x 320 pixels, 4:3 ratio (~148 ppi density)

PPI

240
240

Refresh Rate

60Hz
60Hz

Peak Brightness

N/A
N/A

HDR Support

Protection

N/A
N/A

Performance

Chipset

TI OMAP 2420
N/A

CPU

300 MHz ARM 1136
Intel XScale PXA 270 620 MHz

GPU

PowerVR MBX
N/A

Memory

77MB
64MB RAM, 1GB ROM

Expandable Storage

Card Slot

microSD (dedicated slot)
miniSD

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
VGA videocall camera

Video Recording

320p
Yes

Selfie Video

N/A
N/A

OIS

Night Mode

RAW Support

Battery

Capacity

1030 mAh
N/A

Battery Details

Removable Li-Ion 1030 mAh battery (BK70)
Removable Li-Ion battery

Charging Details

N/A
N/A

Fast Charging

Wireless Charging

Build & Design

Dimensions

109 x 50 x 15 mm, 77 cc (4.29 x 1.97 x 0.59 in)
106 x 58 x 19 mm (4.17 x 2.28 x 0.75 in)

Weight

112 g
145 g

Materials

N/A
N/A

Water Resistance

N/A
N/A

Colors

Black
Silver

Foldable

Connectivity

SIM

Mini-SIM
Mini-SIM

Network

GSM / HSPA
GSM / HSPA

Network Speed

HSPA 3.6/0.384 Mbps
HSPA

5G

4G

WiFi

No
Wi-Fi 802.11b/g

Bluetooth

2.0, A2DP
1.2

NFC

USB

miniUSB 2.0
miniUSB

IR Blaster

Headphone Jack

Radio

Positioning

No
No

Software

Operating System

Symbian 9.2, UIQ 3.1
Microsoft Windows Mobile 6.0 Professional

OS Version

Symbian 9.2, UIQ 3.1
Microsoft Windows Mobile 6.0 Professional

Security

Fingerprint

Face Unlock

Sensors

N/A
N/A

Audio

Stereo Speakers

Loudspeaker

Yes
Yes

Audio Jack

No
No