Category Breakdown
Samsung Galaxy A51 5G
Umidigi Note 100 5G
Performance
83.086.2
Camera
64.719.1
Display
82.877.9
Battery
30.633.7
Build
74.467.9
Connectivity
80.573.5
Audio
8.98.9
Overall
59.056.2
Summary
- The Samsung Galaxy A51 5G features a glass front with an aluminum frame, providing a premium feel, while the Umidigi Note 100 5G has a plastic frame but a larger 6.8" IPS LCD display with a higher refresh rate of 120Hz, though at a lower resolution of 720 x 1600 pixels.
- In terms of performance, the A51 is powered by the Exynos 980 chipset, offering robust processing capabilities compared to the Umidigi's Unisoc T765.
- The A51's camera system includes a 48 MP main sensor, while the Note 100 has a 50 MP sensor, but the A51 supports 4K video recording, whereas the Note 100 is limited to 1080p.
- The A51 has a 4500 mAh battery with 15W charging, while the Note 100 offers a larger 5000 mAh battery with 20W charging.
- Software-wise, the A51 runs on Android 10, upgradable to Android 13, while the Note 100 comes with Android 14, providing a more current software experience.
Side-by-side Specification Comparison
Samsung Galaxy A51 5G
Umidigi Note 100 5G
General
Release Date
2020, April 08
2025, February 13
Announced
2020, April 08
2025, February 13
Description
Also available with 4G/LTE onlyVersions: SM-A516B/DS (International), SM-A516U (USA), SM-A516F/DSN, SM-A516N (South Korea)
N/A
Display
Size
6.5"
6.8"
Type
Super AMOLED
IPS LCD, 120Hz
Resolution
1080 x 2400 pixels, 20:9 ratio (~405 ppi density)
720 x 1600 pixels, 20:9 ratio (~258 ppi density)
PPI
1080
720
Refresh Rate
60Hz
120Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass 3
N/A
Performance
Chipset
Exynos 980 (8 nm)
Unisoc T765 (6 nm)
CPU
Octa-core (2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55)
Octa-core (2x2.3 GHz Cortex-A76 & 6x2.1 GHz Cortex-A55)
GPU
Mali-G76 MP5
Mali-G57 MC2
Memory
128GB 6GB RAM, 128GB 8GB RAM
128GB 6GB RAM, 256GB 8GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (uses shared SIM slot)
microSDXC (uses shared SIM slot)
Camera
Main Camera
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF12 MP, f/2.2, 123˚ (ultrawide)5 MP, f/2.4, (macro)5 MP, f/2.2, (depth)
50 MP, (wide), AF2 MP, f/2.4, (macro)2 MP, f/2.4, (depth)
Main Camera Features
LED flash, panorama, HDR
LED flash
Front Camera
32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm
16 MP, (wide)
Front Camera Features
HDR
N/A
Video Recording
4K@30fps, 1080p@30/120fps; gyro-EIS
1080p@30fps
Selfie Video
4K@30fps, 1080p@30fps
Yes
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
4500 mAh
5000 mAh
Battery Details
Li-Po 4500 mAh
5000 mAh
Charging Details
15W wired
20W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
158.9 x 73.6 x 8.7 mm (6.26 x 2.90 x 0.34 in)
167.8 x 77.4 x 7.7 mm (6.61 x 3.05 x 0.30 in)
Weight
187 g
190 g
Materials
Glass front (Gorilla Glass 3), plastic back, aluminum frame
Glass front, plastic back, plastic frame
Colors
Prism Cube Black, Prism Cube White, Prism Cube Pink
Rock Black, Interstellar Blue, Lake Green, Starry White
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIMNano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE / 5G
GSM / HSPA / LTE / 5G
Network Speed
HSPA, LTE, 5G
HSPA, LTE, 5G
5G
✓
✓
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, 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, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, GALILEO, BDS
GPS, GLONASS, GALILEO, BDS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 10, upgradable to Android 13, One UI 5
Android 14
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Fingerprint (side-mounted), accelerometer, proximity, compass

