Category Breakdown
Cat S31
Vertu Aster
Performance
48.667.7
Camera
15.439.6
Display
19.183.8
Battery
28.181.2
Build
0.20.2
Connectivity
48.061.0
Audio
8.987.6
Overall
21.348.6
Summary
- The Cat S31 features a rugged build designed for durability, while the Vertu Aster emphasizes luxury with its sapphire crystal glass.
- Both phones have a 4.7-inch display, but the Aster offers a higher resolution of 1080 x 1920 pixels compared to the S31's 720 x 1280 pixels, resulting in a significantly sharper image.
- In terms of performance, the Aster is equipped with a Snapdragon 801 chipset and a faster CPU, providing superior processing power over the S31's Snapdragon 210.
- The camera on the Aster is also more advanced, with a 13 MP rear sensor compared to the S31's 8 MP, enhancing photo quality.
- Battery capacity favors the S31 with 4000 mAh, while the Aster has a smaller 2275 mAh battery but supports wireless charging.
- Software-wise, the S31 runs on Android 7.0, offering a more recent experience compared to the Aster's Android 4.4.2.
Side-by-side Specification Comparison
Cat S31
Vertu Aster
General
Release Date
2017
2014
Announced
2017
2014
Description
N/A
N/A
Display
Size
4.7"
4.7"
Type
TFT
Sapphire crystal glass
Resolution
720 x 1280 pixels, 16:9 ratio (~312 ppi density)
1080 x 1920 pixels, 16:9 ratio (~473 ppi density)
PPI
720
1080
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass 3
Sapphire crystal glass, oleophobic coating
Performance
Chipset
Qualcomm MSM8909 Snapdragon 210 (28 nm)
Qualcomm Snapdragon 801 (28 nm)
CPU
Quad-core 1.3 GHz Cortex-A7
Quad-core 2.3 GHz Krait 400
GPU
Adreno 304
Adreno 330
Memory
16GB 2GB RAM
64GB 2GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
No
Camera
Main Camera
8 MP, AF
13 MP, Hasselblad certified, AF
Main Camera Features
LED flash
Dual-LED flash
Front Camera
2 MP
2.1 MP
Front Camera Features
N/A
N/A
Video Recording
720p@30fps
Yes
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
4000 mAh
2275 mAh
Battery Details
Li-Ion 4000 mAh, non-removable
Li-Ion 2275 mAh, non-removable
Charging Details
N/A
Wireless (Qi)
Fast Charging
✗
✗
Wireless Charging
✗
✓
Build & Safety
Dimensions
146 x 74.4 x 12.6 mm (5.75 x 2.93 x 0.50 in)
143.4 x 69 x 11.2 mm (5.65 x 2.72 x 0.44 in)
Weight
200 g
193 g
Materials
N/A
N/A
Colors
Black
Onyx Calf, Lagoon Calf, Blush Calf, Caviar Karung, Tangerine Karung, Raspberry Ostrich, Cognac Ostrich
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIMNano-SIM + Nano-SIM
Nano-SIM
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 b/g/n
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth
4.1, A2DP, LE
4.0, A2DP, aptX, LE
NFC
✗
✓
USB
microUSB 2.0, OTG
microUSB 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, BDS
GPS, GLONASS
Audio
Stereo Speakers
✗
✓
Loudspeaker
Yes
Yes, with stereo speakers
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 7.0 (Nougat)
Android 4.4.2 (KitKat)
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, proximity, compass
Accelerometer, gyro, proximity, compass

