Category Breakdown
Samsung Galaxy A51
Xiaomi Mi 9 Lite
Performance
62.562.5
Camera
47.947.9
Display
79.579.5
Battery
43.543.5
Build
79.879.8
Overall
61.161.1
Summary
- The Samsung Galaxy A51 features a 6.5-inch Super AMOLED display with a resolution of 1080 x 2400 pixels, while the Xiaomi Mi 9 Lite has a slightly smaller 6.39-inch Super AMOLED display with HDR support and a resolution of 1080 x 2340 pixels.
- In terms of performance, the Galaxy A51 is powered by the Exynos 9611 chipset, whereas the Mi 9 Lite utilizes the Snapdragon 710, both offering adequate performance for daily tasks.
- Camera-wise, both phones have a 48 MP main sensor, but the Mi 9 Lite has a wider aperture of f/1.8 compared to the A51's f/2.0, potentially enhancing low-light performance.
- The A51 has a 4000 mAh battery, while the Mi 9 Lite offers a slightly larger 4030 mAh battery, with both supporting fast charging but differing in wattage.
- Build quality favors the Mi 9 Lite with Gorilla Glass 5 on both front and back, while the A51 combines Gorilla Glass 3 with a plastic back and frame.
- Software experience on the A51 starts with Android 10 and is upgradable to Android 13, while the Mi 9 Lite launches with Android 9.0 and can be upgraded to Android 10.
Side-by-side Specification Comparison
Samsung Galaxy A51
Xiaomi Mi 9 Lite
General
Release Date
2019, December 12
2019, September 16
Announced
2019, December 12
2019, September 16
Description
Also available with 5GVersions: SM-A515F/DSN (Global); SM-A515F/DS (LATAM); SM-A515F/DST (Brazil); SM-A515F/DSM (Russia); SM-A515F/N (Australia); SM-A515U (USA)
N/A
Display
Size
6.5"
6.39"
Type
Super AMOLED
Super AMOLED, HDR, 430 nits (typ)
Resolution
1080 x 2400 pixels, 20:9 ratio (~405 ppi density)
1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
PPI
1080
1080
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✓
Protection
Corning Gorilla Glass 3
Corning Gorilla Glass 5
Performance
Chipset
Exynos 9611 (10 nm)
Qualcomm SDM710 Snapdragon 710 (10 nm)
CPU
Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
Octa-core (2x2.2 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)
GPU
Mali-G72 MP3
Adreno 616
Memory
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM
64GB 6GB RAM, 128GB 6GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDXC (uses shared SIM slot)
Camera
Main Camera
48 MP
48 MP
Main Camera Details
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)
48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF8 MP, (ultrawide), 1/4.0", 1.12µm2 MP, (depth)
Front Camera
32 MP
32 MP
Front Camera Details
32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm
32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
Video Recording
4K@30fps, 1080p@30/120fps; gyro-EIS
4K@30fps, 1080p@30/60/120fps, 720p@960fps
Selfie Video
4K@30fps, 1080p@30fps
1080p@30fps
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
4000 mAh
4030 mAh
Battery Details
Li-Po 4000 mAh, non-removable
Li-Po 4030 mAh, non-removable
Charging Details
15W wired
18W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
158.5 x 73.6 x 7.9 mm (6.24 x 2.90 x 0.31 in)
156.8 x 74.5 x 8.7 mm (6.17 x 2.93 x 0.34 in)
Weight
172 g
179 g
Materials
Glass front (Gorilla Glass 3), plastic back, plastic frame
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Water Resistance
N/A
N/A
Colors
Prism Crush Black, Prism Crush White, Prism Crush Blue, Prism Crush Pink
Pearl White, Aurora Blue, Onyx Grey
Foldable
✗
✗
Connectivity
SIM
Nano-SIMNano-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/ac, dual-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
5.0, A2DP, LE
5.0, A2DP, LE, aptX HD
NFC
✓
✓
USB
USB Type-C 2.0, OTG
USB Type-C 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, GALILEO, BDS
GPS, GLONASS, GALILEO, BDS
Software
Operating System
Android 10, upgradable to Android 13, One UI 5
Android 9.0 (Pie), upgradable to Android 10, MIUI 11
OS Version
Android 10, upgradable to Android 13, One UI 5
Android 9.0 (Pie), upgradable to Android 10, MIUI 11
Security
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (under display, optical), accelerometer, gyro, compass
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes

