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O2 XDA Atom Exec

O2 XDA Atom Exec

#8535
O2 XDA Stellar

O2 XDA Stellar

#8960

Category Breakdown

O2 XDA Atom Exec
O2 XDA Stellar
Performance
26.838.9
Camera
39.639.6
Display
10.89.5
Battery
15.913.6
Build
0.20.2
Connectivity
6.621.9
Audio
87.68.9
Overall
14.813.7

Summary

  • The O2 XDA Atom Exec features a 2.7-inch TFT resistive touchscreen with a resolution of 240 x 320 pixels, while the O2 XDA Stellar has a slightly larger 2.8-inch display with the same resolution but a lower color depth.
  • In terms of performance, the Atom Exec is powered by a 520MHz Intel XScale CPU and has 64MB of RAM, whereas the Stellar runs on a 400MHz ARM 11 processor with 128MB of RAM, offering better multitasking capabilities.
  • The camera on the Stellar is superior with a 3.15 MP sensor compared to the 2 MP camera on the Atom Exec.
  • Battery capacity is slightly higher in the Atom Exec at 1530mAh versus the Stellar's 1350mAh, but both lack fast charging and wireless capabilities.
  • The Atom Exec runs on Windows Mobile 5.0, while the Stellar operates on Windows Mobile 6.0, providing a more updated software experience.
  • Build quality is comparable, with the Atom Exec being lighter at 140g compared to the Stellar's 190g.

Side-by-side Specification Comparison

O2 XDA Atom Exec
O2 XDA Stellar

General

Release Date

2006
2007

Announced

2006
2007

Description

N/A
HTC Kaiser platform

Display

Size

2.7"
2.8"

Type

TFT resistive touchscreen, 256K colors (65K effective)
TFT resistive touchscreen, 65K colors

Resolution

240 x 320 pixels, 4:3 ratio (~148 ppi density)
240 x 320 pixels, 4:3 ratio (~143 ppi density)

PPI

240
240

Refresh Rate

60Hz
60Hz

HDR Support

✗
✗

Protection

N/A
N/A

Performance

Chipset

N/A
Qualcomm MSM7200

CPU

Intel XScale PXA 27x 520MHz
400 MHz ARM 11

GPU

N/A
Adreno 130

Memory

64MB RAM, 192MB ROM
128MB RAM, 256MB ROM

Expandable Storage

✗
✗

Card Slot

miniSD
microSD

Camera

Main Camera

2 MP
3.15 MP, AF

Main Camera Features

LED flash
N/A

Front Camera

N/A
VGA videocall camera

Front Camera Features

N/A
N/A

Video Recording

Yes
Yes

Selfie Video

N/A
N/A

Optical Stabilization

✗
✗

Night Mode

✗
✗

Raw Photo Support

✗
✗

Battery

Capacity

1530 mAh
1350 mAh

Battery Details

Removable Li-Po 1530 mAh battery
Removable Li-Ion 1350 mAh battery

Charging Details

N/A
N/A

Fast Charging

✗
✗

Wireless Charging

✗
✗

Build & Safety

Dimensions

102 x 58 x 18.5 mm (4.02 x 2.28 x 0.73 in)
112 x 59 x 18.6 mm (4.41 x 2.32 x 0.73 in)

Weight

140 g
190 g

Materials

N/A
N/A

Colors

Silver
Silver

Foldable

✗
✗

SAR

N/A
N/A

Connectivity

SIM

Mini-SIM
Mini-SIM

Network

GSM
GSM / HSPA

Network Speed

N/A
HSPA 3.6/0.384 Mbps

5G

✗
✗

4G

✗
✗

WiFi

Wi-Fi 802.11b
Wi-Fi 802.11b/g

Bluetooth

1.2
2.0

NFC

✗
✗

USB

miniUSB
2.0

IR Blaster

✗
✗

Headphone Jack

✗
✗

Radio

✗
✗

Positioning

No
GPS, A-GPS

Audio

Stereo Speakers

✓
✗

Loudspeaker

Yes, with stereo speakers
Yes

Audio Jack

No
No

Software & Security

Operating System

Microsoft Windows Mobile 5.0 PocketPC
Microsoft Windows Mobile 6.0 Professional

Fingerprint

✗
✗

Face Unlock

✗
✗

Sensors

N/A
N/A