BLU Energy X 2
#6192
Cat S31
#6923Category Breakdown
BLU Energy X 2
Cat S31
Performance
35.448.6
Camera
19.115.4
Display
56.519.1
Battery
28.128.1
Build
0.20.2
Connectivity
31.148.0
Audio
8.98.9
Overall
24.821.3
Summary
- The BLU Energy X 2 features a 5.0-inch IPS LCD display with a resolution of 720 x 1280 pixels, while the Cat S31 has a smaller 4.7-inch TFT display with the same resolution but a higher pixel density of ~312 ppi.
- In terms of performance, the BLU Energy X 2 is equipped with 1GB of RAM and a quad-core CPU, whereas the Cat S31 offers 2GB of RAM and a Qualcomm Snapdragon 210 chipset, providing better multitasking capabilities.
- Both devices have an 8 MP rear camera, but the BLU Energy X 2 supports 1080p video recording, while the Cat S31 is limited to 720p.
- Battery capacity is identical at 4000 mAh, but both lack fast charging and wireless charging.
- The BLU Energy X 2 runs on Android 5.1, whereas the Cat S31 benefits from a more recent Android 7.0, enhancing the software experience.
- Build quality-wise, the Cat S31 is slightly bulkier and heavier, designed for rugged use, while the BLU Energy X 2 is more compact and lighter.
Side-by-side Specification Comparison
BLU Energy X 2
Cat S31
General
Release Date
2016
2017
Announced
2016
2017
Description
N/A
N/A
Display
Size
5"
4.7"
Type
IPS LCD
TFT
Resolution
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
720 x 1280 pixels, 16:9 ratio (~312 ppi density)
PPI
720
720
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass 3
Corning Gorilla Glass 3
Performance
Chipset
N/A
Qualcomm MSM8909 Snapdragon 210 (28 nm)
CPU
Quad-core 1.3 GHz Cortex-A7
Quad-core 1.3 GHz Cortex-A7
GPU
N/A
Adreno 304
Memory
8GB 1GB RAM
16GB 2GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC
microSDXC (dedicated slot)
Camera
Main Camera
8 MP, f/2.2, 1/4.0", AF
8 MP, AF
Main Camera Features
LED flash
LED flash
Front Camera
5 MP
2 MP
Front Camera Features
N/A
N/A
Video Recording
1080p@30fps
720p@30fps
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
4000 mAh
4000 mAh
Battery Details
Li-Po 4000 mAh, non-removable
Li-Ion 4000 mAh, non-removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
143.5 x 71 x 9.6 mm (5.65 x 2.80 x 0.38 in)
146 x 74.4 x 12.6 mm (5.75 x 2.93 x 0.50 in)
Weight
190 g
200 g
Materials
N/A
N/A
Colors
Gold, Grey
Black
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Dual SIM (Micro-SIM, dual stand-by)
Nano-SIMNano-SIM + Nano-SIM
Network
GSM / HSPA
GSM / HSPA / LTE
Network Speed
HSPA 21.1/5.76 Mbps
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
5G
✗
✗
4G
✗
✓
WiFi
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Wi-Fi 802.11 b/g/n
Bluetooth
4.0, A2DP
4.1, A2DP, LE
NFC
✗
✗
USB
microUSB 2.0
microUSB 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS
GPS, GLONASS, BDS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 5.1 (Lollipop)
Android 7.0 (Nougat)
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, proximity
Accelerometer, proximity, compass