BLU S91
#2929
Oukitel C51
#2931Category Breakdown
BLU S91
Oukitel C51
Performance
64.864.8
Camera
42.442.4
Display
70.570.5
Battery
58.558.5
Build
66.866.8
Overall
59.659.6
Summary
- The BLU S91 features a 6.5-inch IPS LCD display with a resolution of 720 x 1600 pixels and a pixel density of approximately 270 ppi, while the Oukitel C51 has a larger 6.8-inch IPS LCD display with the same resolution but a slightly lower pixel density of around 258 ppi.
- In terms of performance, the BLU S91 is powered by a Mediatek Helio G25 chipset with 4GB of RAM, whereas the Oukitel C51 utilizes a Unisoc T606 chipset with 6GB of RAM, potentially offering better multitasking capabilities.
- Both devices have a 13 MP rear camera capable of 1080p video recording, but the Oukitel C51 has a slightly improved aperture of f/2.2 compared to the f/2.4 of the BLU S91.
- The battery capacity of the Oukitel C51 is 5150 mAh, slightly higher than the BLU S91's 5000 mAh, and it supports 10W charging, while the BLU S91 does not support any fast charging.
- Finally, the BLU S91 runs on Android 11, while the Oukitel C51 benefits from a more recent Android 13 software experience.
Side-by-side Specification Comparison
BLU S91
Oukitel C51
General
Release Date
2022, June 24
2024
Announced
2022, June 24
2024
Description
N/A
N/A
Display
Size
6.5"
6.8"
Type
IPS LCD
IPS LCD, 450 nits
Resolution
720 x 1600 pixels, 20:9 ratio (~270 ppi density)
720 x 1600 pixels, 20:9 ratio (~258 ppi density)
PPI
720
720
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
N/A
Corning Gorilla Glass 5
Performance
Chipset
Mediatek MT6762G Helio G25 (12 nm)
Unisoc T606 (12 nm)
CPU
Octa-core (4x2.0 GHz Cortex-A53 & 4x1.5 GHz Cortex-A53)
Octa-core (2x1.6 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU
PowerVR GE8320
Mali-G57 MP1
Memory
128GB 4GB RAM
128GB 6GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC
microSDXC (dedicated slot)
Camera
Main Camera
13 MP
13 MP
Main Camera Details
13 MP, (wide), PDAF0.3 MP, f/2.4, (macro)0.3 MP, f/2.4, (depth)
13 MP, f/2.2, (wide), 1/3.06", AF
Front Camera
13 MP
5 MP
Front Camera Details
13 MP
5 MP, f/2.2, (wide), 1/5"
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
1080p@30fps
Yes
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
5000 mAh
5150 mAh
Battery Details
Li-Po 5000 mAh
Li-Po 5150 mAh
Charging Details
N/A
10W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
164.8 x 76.3 x 8.9 mm (6.49 x 3.00 x 0.35 in)
168.1 x 78.2 x 9.4 mm (6.62 x 3.08 x 0.37 in)
Weight
202 g
205 g
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Black, Green
Gray, Blue, Purple
Foldable
✗
✗
Connectivity
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 a/b/g/n/ac, dual-band
Bluetooth
5.0, A2DP, LE
5.0, A2DP, LE
NFC
✗
✗
USB
USB Type-C 2.0, OTG
USB Type-C 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS
GPS, GALILEO, GLONASS, BDS
Software
Operating System
Android 11
Android 13
OS Version
Android 11
Android 13
Security
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Fingerprint (side-mounted), accelerometer, proximity
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes