Category Breakdown
Samsung Galaxy A51 5G UW
Samsung Galaxy A9 (2016)
Performance
83.566.4
Camera
64.747.4
Display
82.882.8
Battery
30.628.1
Build
74.493.1
Connectivity
80.559.6
Audio
8.98.9
Overall
59.148.3
Summary
- The Samsung Galaxy A51 5G UW features a more modern build with a glass front and plastic back, while the A9 (2016) has a glass front and back, offering a premium feel but is slightly heavier.
- The A51 has a larger 6.5-inch Super AMOLED display with a higher resolution of 1080 x 2400 pixels, compared to the A9's 6.0-inch display at 1080 x 1920 pixels.
- In terms of performance, the A51 is powered by the Snapdragon 765G chipset, providing superior processing capabilities over the A9's Snapdragon 652.
- The camera system on the A51 is significantly more advanced with a 48 MP main sensor and multiple lenses, while the A9 has a single 13 MP rear camera with OIS.
- Battery capacity is slightly higher in the A51 at 4500 mAh versus the A9's 4000 mAh, although both lack wireless charging.
- Lastly, the A51 runs on Android 10 with One UI 2, offering a more updated software experience compared to the A9, which originally shipped with Android 5.1.1 and is upgradable only to 6.0.1.
Side-by-side Specification Comparison
Samsung Galaxy A51 5G UW
Samsung Galaxy A9 (2016)
General
Release Date
2020, August 14
2016
Announced
2020, August 14
2015
Description
Versions: SM-A516V (Verizon)
Also known as Samsung Galaxy A9 (2016) Duos with dual-SIM card slots
Display
Size
6.5"
6"
Type
Super AMOLED
Super AMOLED
Resolution
1080 x 2400 pixels, 20:9 ratio (~405 ppi density)
1080 x 1920 pixels, 16:9 ratio (~367 ppi density)
PPI
1080
1080
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass 3
Corning Gorilla Glass 4
Performance
Chipset
Qualcomm SM7250 Snapdragon 765G 5G (7 nm)
Qualcomm MSM8976 Snapdragon 652 (28 nm)
CPU
Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver)
Octa-core (4x1.8 GHz Cortex-A72 & 4x1.4 GHz Cortex-A53)
GPU
Adreno 620
Adreno 510
Memory
128GB 6GB RAM
32GB 3GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (uses shared SIM slot)
microSDXC (dedicated 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)
13 MP, f/1.9, 28mm (wide), 1/3.1", 1.12µm, AF, OIS
Main Camera Features
LED flash, panorama, HDR
LED flash, panorama, HDR
Front Camera
32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm
8 MP, f/1.9, 24mm (wide)
Front Camera Features
HDR
N/A
Video Recording
4K@30fps, 1080p@30/120fps; gyro-EIS
1080p@30fps
Selfie Video
4K@30fps, 1080p@30fps
1080p@30fps
Optical Stabilization
✗
✓
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
4500 mAh
4000 mAh
Battery Details
Li-Po 4500 mAh
Li-Ion 4000 mAh, non-removable
Charging Details
15W wired
18W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
158.8 x 73.4 x 8.6 mm (6.25 x 2.89 x 0.34 in)
161.7 x 80.9 x 7.4 mm (6.37 x 3.19 x 0.29 in)
Weight
188.8 g
200 g
Materials
Glass front (Gorilla Glass 3), plastic back, aluminum frame
Glass front (Gorilla Glass 4), glass back (Gorilla Glass 4), aluminum frame
Colors
Prism Bricks Blue
Pearl White, Midnight Black, Champagne Gold, Pink
Foldable
✗
✗
SAR
N/A
1.19 W/kg (head) 1.33 W/kg (body)
Connectivity
SIM
Nano-SIM (pre-installed)
Nano-SIMNano-SIM + Nano-SIM
Network
GSM / HSPA / LTE / 5G
GSM / HSPA / LTE
Network Speed
HSPA, LTE, 5G
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
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, hotspot
Bluetooth
5.0, A2DP, LE
4.1, A2DP, EDR, LE
NFC
✓
✓
USB
USB Type-C 2.0, OTG
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, GALILEO, BDS
GPS, GLONASS, BDS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 10, One UI 2
Android 5.1.1 (Lollipop), upgradable to 6.0.1 (Marshmallow)
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Fingerprint (front-mounted), accelerometer, proximity, compass

