Category Breakdown
Acer Liquid Z630
HMD Key
Performance
45.352.4
Camera
39.639.6
Display
56.569.2
Battery
28.128.1
Build
0.20.2
Connectivity
40.347.9
Audio
8.98.9
Overall
29.441.5
Summary
- The Acer Liquid Z630 features a 5.5-inch IPS LCD display with a resolution of 720 x 1280 pixels, while the HMD Key has a larger 6.52-inch IPS LCD with a lower resolution of 576 x 1280 pixels, resulting in a lower pixel density.
- In terms of performance, both devices are equipped with quad-core processors, but the HMD Key has more RAM at 32GB compared to the Z630's maximum of 2GB.
- Both phones have an 8 MP rear camera, but the HMD Key offers a wider lens and a lower 5 MP selfie camera compared to the Z630's 8 MP front camera.
- Battery capacity is identical at 4000 mAh, but the HMD Key supports 10W charging, while the Z630 does not support fast charging.
- The Z630 runs on Android 5.1, while the HMD Key operates on the more recent Android 14 (Go edition), providing a more updated software experience.
Side-by-side Specification Comparison
Acer Liquid Z630
HMD Key
General
Release Date
2015
2025, January 02
Announced
2015
2025, January 02
Description
N/A
N/A
Display
Size
5.5"
6.52"
Type
IPS LCD
IPS LCD, 460 nits (peak)
Resolution
720 x 1280 pixels, 16:9 ratio (~267 ppi density)
576 x 1280 pixels, 20:9 ratio (~215 ppi density)
PPI
720
576
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Mediatek MT6735 (28 nm)
Unisoc SC9832E
CPU
Quad-core 1.3 GHz Cortex-A53
Quad-core 1.3 GHz Cortex-A53
GPU
Mali-T720MP2
Mali-820MP1
Memory
8GB 1GB RAM, 16GB 2GB RAM
32GB 2GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDXC (uses shared SIM slot)
Camera
Main Camera
8 MP, AF
8 MP, (wide), AF
Main Camera Features
LED flash, HDR, panorama
LED flash, panorama
Front Camera
8 MP
5 MP
Front Camera Features
N/A
N/A
Video Recording
Yes
Yes
Selfie Video
N/A
Yes
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
4000 mAh
4000 mAh
Battery Details
Li-Ion 4000 mAh, removable
4000 mAh
Charging Details
N/A
10W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
156.3 x 77.5 x 8.9 mm (6.15 x 3.05 x 0.35 in)
166.4 x 76.9 x 9 mm (6.55 x 3.03 x 0.35 in)
Weight
165 g
185.4 g
Materials
N/A
N/A
Colors
Black
Black, Blue
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by)
Nano-SIM
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA, LTE
HSPA, LTE
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 b/g/n, hotspot
Wi-Fi 802.11 b/g/n
Bluetooth
4.0, A2DP
4.2, A2DP, LE
NFC
✗
✗
USB
microUSB 2.0, OTG
USB Type-C
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS
GPS, GALILEO
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 5.1 (Lollipop)
Android 14 (Go edition)
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, proximity, compass
Accelerometer, proximity

