Category Breakdown
BLU S1
Lenovo Vibe X2
Performance
60.360.3
Camera
42.442.4
Display
70.570.5
Battery
43.543.5
Build
70.870.8
Overall
56.456.4
Summary
- The BLU S1 features a 5.2-inch IPS LCD display with a resolution of 720 x 1280 pixels, while the Lenovo Vibe X2 has a slightly smaller 5.0-inch IPS LCD with a higher resolution of 1080 x 1920 pixels, resulting in a much sharper pixel density.
- In terms of performance, the BLU S1 is powered by a Mediatek MT6750 chipset, whereas the Lenovo Vibe X2 utilizes the more powerful Mediatek MT6595M.
- Both devices have a 13 MP rear camera and 5 MP front camera, but the Vibe X2 benefits from a wider aperture for potentially better low-light performance.
- The BLU S1 has a larger battery capacity at 2800 mAh compared to the Vibe X2's 2300 mAh, which may offer longer usage time.
- Software-wise, the BLU S1 runs on Android 7.0 Nougat, while the Lenovo Vibe X2 originally shipped with Android 4.4 KitKat, upgradable to 5.0 Lollipop, indicating a more modern software experience on the BLU S1.
Side-by-side Specification Comparison
BLU S1
Lenovo Vibe X2
General
Release Date
2017
2014
Announced
2017
2014
Description
N/A
Also known as Lenovo Vibe X2 Dual SIM with dual-SIM card slots
Display
Size
5.2"
5"
Type
IPS LCD
IPS LCD
Resolution
720 x 1280 pixels, 16:9 ratio (~282 ppi density)
1080 x 1920 pixels, 16:9 ratio (~441 ppi density)
PPI
720
1080
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Mediatek MT6750 (28 nm)
Mediatek MT6595M
CPU
Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Octa-core (4x2.0 GHz Cortex-A17 & 4x1.7 GHz Cortex-A7)
GPU
Mali-T860MP2
PowerVR G600
Memory
16GB 2GB RAM
32GB 2GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
No
Camera
Main Camera
13 MP
13 MP
Main Camera Details
13 MP
13 MP, f/2.2, AF
Front Camera
5 MP
5 MP
Front Camera Details
5 MP
5 MP
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
N/A
N/A
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
2800 mAh
2300 mAh
Battery Details
Li-Po 2800 mAh, non-removable
Li-Po 2300 mAh, non-removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
147.3 x 72.8 x 8.4 mm (5.80 x 2.87 x 0.33 in)
140.2 x 68.6 x 7.3 mm (5.52 x 2.70 x 0.29 in)
Weight
137 g
120 g
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Black, Gold
White, Gold, Red, Charcoal
Foldable
✗
✗
Connectivity
SIM
Nano-SIM
Micro-SIMMicro-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA 42.2/11.5 Mbps, LTE (2CA) Cat6 300/50 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 b/g/n/ac, dual band, hotspot
Bluetooth
4.0, A2DP
4.1, A2DP, LE
NFC
✗
✗
USB
microUSB 2.0
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS
GPS, GLONASS
Software
Operating System
Android 7.0 (Nougat)
Android 4.4 (KitKat), upgradable to 5.0 (Lollipop)
OS Version
Android 7.0 (Nougat)
Android 4.4 (KitKat), upgradable to 5.0 (Lollipop)
Security
Fingerprint
✓
✗
Face Unlock
✗
✗
Sensors
Fingerprint (front-mounted), accelerometer, proximity, compass
Accelerometer, proximity, compass
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes

