Category Breakdown
Acer DX900
Lava 3G 402
Performance
45.854.9
Camera
39.615.4
Display
11.216.9
Battery
15.915.2
Build
0.20.2
Connectivity
21.931.1
Audio
8.98.9
Overall
16.017.4
Summary
- The Acer DX900, released in 2009, features a smaller 2.8-inch TFT resistive touchscreen with a resolution of 480 x 640 pixels, while the Lava 3G 402, launched in 2013, has a larger 4.0-inch TFT display with a resolution of 480 x 800 pixels.
- In terms of performance, the DX900 is powered by a 533 MHz CPU and has 128MB of RAM, whereas the Lava 3G 402 offers a dual-core 1.2 GHz processor with 512MB of RAM, providing better multitasking capabilities.
- Both devices have a 3.15 MP rear camera without optical image stabilization, but the Lava can record video at 720p@30fps, giving it an edge in video quality.
- The battery capacity is slightly higher in the Lava at 1500mAh compared to the Acer's 1530mAh, but both lack fast charging and wireless capabilities.
- The DX900 runs on Microsoft Windows Mobile 6.1, while the Lava operates on Android 4.2 (Jelly Bean), offering a more modern software experience.
- In terms of build quality, the Lava is lighter at 124g and slimmer at 11.4mm compared to the DX900's 147g and 17mm thickness.
Side-by-side Specification Comparison
Acer DX900
Lava 3G 402
General
Release Date
2009
2013
Announced
2009
2013
Description
Also known as Acer Tempo DX900, Acer Tempo X960
For India
Display
Size
2.8"
4"
Type
TFT resistive touchscreen, 65K colors
TFT
Resolution
480 x 640 pixels, 4:3 ratio (~286 ppi density)
480 x 800 pixels, 5:3 ratio (~233 ppi density)
PPI
480
480
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
N/A
N/A
CPU
533 MHz Samsung S3C 6410
Dual-core 1.2 GHz
GPU
N/A
Mali-400
Memory
128MB RAM, 256MB ROM
512MB 256MB RAM
Expandable Storage
✗
✗
Card Slot
microSD (dedicated slot)
microSDHC
Camera
Main Camera
3.15 MP, AF
3.15 MP, AF
Main Camera Features
LED flash
Panorama
Front Camera
VGA videocall camera
VGA
Front Camera Features
N/A
N/A
Video Recording
Yes
720p@30fps
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
1530 mAh
1500 mAh
Battery Details
Removable Li-Po 1530 mAh battery
Li-Ion 1500 mAh, removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
106 x 60.5 x 17 mm (4.17 x 2.38 x 0.67 in)
125.5 x 64.5 x 11.4 mm (4.94 x 2.54 x 0.45 in)
Weight
147 g
124 g
Materials
N/A
N/A
Colors
Black
Metallic Brown, Metallic Grey, Metallic White
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Dual SIM (Mini-SIM)
Dual SIM
Network
GSM / HSPA
GSM / HSPA
Network Speed
HSPA 7.2/0.384 Mbps
HSPA
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11 b/g
Wi-Fi 802.11 b/g/n
Bluetooth
2.0, A2DP
Yes
NFC
✗
✗
USB
miniUSB
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✗
✓
Radio
✗
✗
Positioning
GPS, SiRF Star III chipset
GPS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
No
Yes
Software & Security
Operating System
Microsoft Windows Mobile 6.1 Professional
Android 4.2 (Jelly Bean)
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer
Accelerometer, proximity

