Category Breakdown
BLU S91
Umidigi A13S
Performance
74.764.7
Camera
19.119.1
Display
56.556.5
Battery
33.736.3
Build
0.20.2
Connectivity
49.855.6
Audio
8.98.9
Overall
38.137.0
Summary
- The BLU S91 features a 6.5-inch IPS LCD display with a resolution of 720 x 1600 pixels, while the Umidigi A13S has a slightly larger 6.7-inch IPS LCD with a resolution of 720 x 1650 pixels, both offering a 60Hz refresh rate.
- In terms of performance, the BLU S91 is powered by a Mediatek Helio G25 chipset, whereas the Umidigi A13S uses a Unisoc Tiger T310, with the latter providing a quad-core configuration.
- The camera capabilities differ, with the BLU S91 sporting a 13 MP rear camera and a 13 MP selfie camera, compared to the Umidigi A13S's 16 MP rear camera and 8 MP selfie camera.
- Battery capacity is slightly higher in the BLU S91 at 5000 mAh, while the Umidigi A13S has a 5150 mAh battery and supports 10W charging.
- Both devices run on Android 11 and lack water resistance, but the Umidigi A13S offers dual-band Wi-Fi connectivity, unlike the BLU S91.
Side-by-side Specification Comparison
BLU S91
Umidigi A13S
General
Release Date
2022, June 24
2022
Announced
2022, June 24
2022
Description
N/A
N/A
Display
Size
6.5"
6.7"
Type
IPS LCD
IPS LCD
Resolution
720 x 1600 pixels, 20:9 ratio (~270 ppi density)
720 x 1650 pixels (~269 ppi density)
PPI
720
720
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Mediatek MT6762G Helio G25 (12 nm)
Unisoc Tiger T310 (12nm)
CPU
Octa-core (4x2.0 GHz Cortex-A53 & 4x1.5 GHz Cortex-A53)
Quad-core (1x2.0 GHz Cortex-A75 & 3x1.8 GHz Cortex-A55)
GPU
PowerVR GE8320
PowerVR GE8300
Memory
128GB 4GB RAM
32GB 4GB RAM, 64GB 4GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC
microSDXC (uses shared SIM slot)
Camera
Main Camera
13 MP, (wide), PDAF0.3 MP, f/2.4, (macro)0.3 MP, f/2.4, (depth)
16 MP, f/2.2, (wide), AF8 MP, f/2.2, 120˚ (ultrawide)
Main Camera Features
LED flash, HDR, panorama
Dual-LED flash, HDR, panorama
Front Camera
13 MP
8 MP, f/2.2, (wide)
Front Camera Features
N/A
N/A
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
1080p@30fps
1080p@30fps
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
5000 mAh
5150 mAh
Battery Details
Li-Po 5000 mAh
5150 mAh
Charging Details
N/A
10W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
164.8 x 76.3 x 8.9 mm (6.49 x 3.00 x 0.35 in)
168 x 75.7 x 8.7 mm (6.61 x 2.98 x 0.34 in)
Weight
202 g
200 g
Materials
N/A
N/A
Colors
Black, Green
Starry Black, Sunglow Gold, Galaxy Blue
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA, LTE
HSPA, LTE
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct
Wi-Fi 802.11 b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
5.0, A2DP, LE
5.0, A2DP, LE
NFC
✗
✗
USB
USB Type-C 2.0, OTG
USB Type-C, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS
GPS, GALILEO, GLONASS, BDS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 11
Android 11
Fingerprint
✓
✗
Face Unlock
✗
✗
Sensors
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Accelerometer, proximity, compass

