Category Breakdown
Acer Allegro
Lava Iris X1 Atom S
Performance
57.357.3
Camera
42.042.0
Display
64.364.3
Battery
43.543.5
Build
70.870.8
Overall
54.154.1
Summary
- The Acer Allegro, released in 2011, features a 3.6-inch TFT display with a resolution of 480 x 800 pixels, while the Lava Iris X1 Atom S, launched in 2015, has a slightly larger 4.0-inch TFT display with the same resolution but a lower pixel density of ~233 ppi.
- Both devices are powered by a 1.0 GHz CPU and have 8GB of internal storage, but the Allegro has 8GB of RAM compared to the Iris X1 Atom S's 512MB.
- The camera specifications are identical, with both offering a 5 MP rear camera and no front camera.
- The Iris X1 Atom S has a marginally larger battery capacity at 1400 mAh compared to the Allegro's 1300 mAh.
- In terms of software, the Allegro runs on Microsoft Windows Phone 7.5, while the Iris X1 Atom S operates on Android 4.4.2 (KitKat), providing a different user experience.
Side-by-side Specification Comparison
Acer Allegro
Lava Iris X1 Atom S
General
Release Date
2011
2015
Announced
2011
2015
Description
Also known as Acer W4, Acer M310
For India
Display
Size
3.6"
4"
Type
TFT
TFT
Resolution
480 x 800 pixels, 5:3 ratio (~259 ppi density)
480 x 800 pixels, 5:3 ratio (~233 ppi density)
PPI
480
480
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Qualcomm MSM8255 Snapdragon S2
N/A
CPU
1.0 GHz Scorpion
1.0 GHz
GPU
Adreno 205
N/A
Memory
8GB
8GB 512MB RAM
Expandable Storage
✗
✗
Card Slot
No
microSDHC
Camera
Main Camera
5 MP
5 MP
Main Camera Details
5 MP, AF
5 MP
Front Camera
N/A
N/A
Front Camera Details
N/A
VGA
Video Recording
Yes
Yes
Selfie Video
N/A
N/A
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
1300 mAh
1400 mAh
Battery Details
Removable Li-Ion 1300 mAh battery
Li-Ion 1400 mAh, removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
116 x 59 x 13 mm (4.57 x 2.32 x 0.51 in)
125.5 x 63.4 x 9.7 mm (4.94 x 2.50 x 0.38 in)
Weight
126 g
112 g
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Black, White
Black, White
Foldable
✗
✗
Connectivity
SIM
Mini-SIM
Dual SIM
Network
GSM / HSPA
GSM / HSPA
Network Speed
HSPA
HSPA
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11 b/g/n, DLNA
Wi-Fi 802.11 b/g/n
Bluetooth
2.1, A2DP, EDR
2.1, EDR
NFC
✗
✗
USB
microUSB 2.0
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, A-GPS
GPS
Software
Operating System
Microsoft Windows Phone 7.5 Mango
Android 4.4.2 (KitKat)
OS Version
Microsoft Windows Phone 7.5 Mango
Android 4.4.2 (KitKat)
Security
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, proximity, compass
Accelerometer
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes

