Acer Liquid Z4
#8608
LG Viper 4G LTE LS840
#8304Category Breakdown
Acer Liquid Z4
LG Viper 4G LTE LS840
Performance
35.828.3
Camera
15.419.1
Display
16.916.9
Battery
16.316.7
Build
0.214.5
Connectivity
25.245.7
Audio
8.98.9
Overall
14.615.6
Summary
- The Acer Liquid Z4 and LG Viper 4G LTE LS840 both feature a 4.0-inch TFT display with a resolution of 480 x 800 pixels, offering similar visual quality.
- In terms of performance, the Liquid Z4 is powered by a Mediatek MT6572 dual-core 1.3 GHz CPU, while the Viper has a slightly slower dual-core 1.2 GHz CPU with an Adreno 220 GPU.
- Both devices have a 5 MP rear camera, but the Viper supports 1080p video recording compared to the Liquid Z4's 720p.
- The Viper's battery capacity is higher at 1700 mAh versus the Liquid Z4's 1630 mAh.
- Software-wise, the Liquid Z4 runs on a more recent Android 4.2.2, while the Viper operates on the older Android 2.3.
- The Viper is heavier at 142g and has NFC support, which the Liquid Z4 lacks.
Side-by-side Specification Comparison
Acer Liquid Z4
LG Viper 4G LTE LS840
General
Release Date
2014
2012
Announced
2014
2012
Description
Available as Acer Liquid Z4 Duo with dual-SIM card slots
For Sprint
Display
Size
4"
4"
Type
TFT
TFT
Resolution
480 x 800 pixels, 5:3 ratio (~233 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
Mediatek MT6572 (28 nm)
N/A
CPU
Dual-core 1.3 GHz Cortex-A7
Dual-core 1.2 GHz
GPU
Mali-400
Adreno 220
Memory
4GB 512MB RAM
4GB (1.7GB user available), 1GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDHC (dedicated slot), 4 GB included
Camera
Main Camera
5 MP, AF
5 MP, AF
Main Camera Features
LED flash
LED flash
Front Camera
1.3 MP
VGA
Front Camera Features
N/A
N/A
Video Recording
720p@30fps
1080p@30fps
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
1630 mAh
1700 mAh
Battery Details
Li-Ion 1630 mAh, removable
Removable Li-Ion 1700 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
124 x 64 x 9.7 mm (4.88 x 2.52 x 0.38 in)
117 x 62 x 11.7 mm (4.61 x 2.44 x 0.46 in)
Weight
122 g
142 g
Materials
N/A
N/A
Colors
Black/White
Black
Foldable
✗
✗
SAR
N/A
1.05 W/kg (head) 1.16 W/kg (body)
Connectivity
SIM
Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by)
Mini-SIM
Network
GSM / HSPA
CDMA / EVDO / LTE
Network Speed
HSPA
EV-DO Rev.A 3.1 Mbps, LTE
5G
✗
✗
4G
✗
✓
WiFi
Wi-Fi 802.11 b/g/n, hotspot
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot, DLNA
Bluetooth
4.0, A2DP
3.0, A2DP
NFC
✗
✓
USB
microUSB 2.0
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
No
GPS, A-GPS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 4.2.2 (Jelly Bean)
Android 2.3 (Gingerbread)
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, proximity
Accelerometer, proximity, compass