BLU Energy Diamond
#5613
Cat S31
#6923Category Breakdown
BLU Energy Diamond
Cat S31
Performance
41.748.6
Camera
24.115.4
Display
39.119.1
Battery
28.128.1
Build
0.20.2
Connectivity
31.448.0
Audio
71.58.9
Overall
27.121.3
Summary
- The BLU Energy Diamond features a 5.0-inch LCD display with a resolution of 480 x 854 pixels, while the Cat S31 has a smaller 4.7-inch TFT display with a higher resolution of 720 x 1280 pixels, resulting in better pixel density.
- In terms of performance, the Energy Diamond is powered by a Mediatek MT6580 chipset with 1GB of RAM, whereas the Cat S31 utilizes a Qualcomm Snapdragon 210 with 2GB of RAM, offering superior multitasking capabilities.
- The camera on the Cat S31 is also more advanced, with an 8 MP rear camera compared to the 5 MP rear camera on the Energy Diamond.
- Both devices have a 4000 mAh battery, but the software experience differs, with the Energy Diamond running Android 6.0 and the Cat S31 operating on Android 7.0, providing a more updated software environment.
- Build quality is comparable, with the Cat S31 being slightly heavier at 200g versus the 184g of the Energy Diamond.
Side-by-side Specification Comparison
BLU Energy Diamond
Cat S31
General
Release Date
2016
2017
Announced
2016
2017
Description
N/A
N/A
Display
Size
5"
4.7"
Type
LCD
TFT
Resolution
480 x 854 pixels, 16:9 ratio (~196 ppi density)
720 x 1280 pixels, 16:9 ratio (~312 ppi density)
PPI
480
720
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
Corning Gorilla Glass 3
Performance
Chipset
Mediatek MT6580 (28 nm)
Qualcomm MSM8909 Snapdragon 210 (28 nm)
CPU
Quad-core 1.3 GHz Cortex-A7
Quad-core 1.3 GHz Cortex-A7
GPU
Mali-400MP2
Adreno 304
Memory
8GB 1GB RAM
16GB 2GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC
microSDXC (dedicated slot)
Camera
Main Camera
5 MP, AF
8 MP, AF
Main Camera Features
LED flash
LED flash
Front Camera
2 MP
2 MP
Front Camera Features
LED flash
N/A
Video Recording
720@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, removable
Li-Ion 4000 mAh, non-removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
147.5 x 71.5 x 12.7 mm (5.81 x 2.81 x 0.5 in)
146 x 74.4 x 12.6 mm (5.75 x 2.93 x 0.50 in)
Weight
184 g
200 g
Materials
N/A
N/A
Colors
Grey, White, Pink, Gold, Blue
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
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, dual speakers
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 6.0 (Marshmallow)
Android 7.0 (Nougat)
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, proximity
Accelerometer, proximity, compass