Home Phone comparison Samsung Galaxy A51 and Oppo Reno 15 F - Which is better?

Samsung Galaxy A51 vs Oppo Reno 15 F

41 out 100
Samsung Galaxy A51
VS
70 out 100
Oppo Reno 15 F
Samsung Galaxy A51
Oppo Reno 15 F

Compared 2 smartphones : Samsung Galaxy A51 Manufactured in December, 2019, with display 6.5 with chipsetSamsung Exynos 9 Octa 9611, vs Oppo Reno 15 F, Manufactured in January, 2026 with chipsetQualcomm Snapdragon 6 Gen 1. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy A51
  • Higher pixel density: 405ppi
  • Lighter design: 172g vs 195g
  • Supports Dolby Atmos
Reasons to choose Oppo Reno 15 F
  • Larger display: 6.57in
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 7000mAh vs 4000mAh
  • Newer Bluetooth version: 5.1 vs 5
  • Built-in eSIM

Versions

Available versions and configurations
Memory Options - 4/64 GB
- 4/128 GB
- 6/128 GB
- 8/128 GB
- 8/256 GB		 - 8/128 GB
- 8/256 GB
- 12/256 GB
- 12/512 GB

Review

Key Specs Samsung Galaxy A51 and Oppo Reno 15 F
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
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Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Samsung Galaxy A51
vs
Oppo Reno 15 F

Display

Display quality comparison
Type Super AMOLED AMOLED
Size 6.5 in 6.57 in
Resolution 1080x2400 pixels 1080x2372 pixels
Aspect ratio 20:9 20:9
Pixel density 405 ppi 397 ppi
Refresh rate 60 Hz 120 Hz
Adaptive refresh rate No Yes (60-120 Hz)
Max brightness 400 nits 1400 nits
HDR support No No
Touch Sampling Rate n/a 240 Hz
Screen-to-body ratio 87.5 % 88 %
Features Always-On Display - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Samsung Galaxy A51
631 nits
Oppo Reno 15 F
n/a
sRGB gamut98.8 %n/a
PWM (Flicker)242 Hzn/a
Response time25 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Samsung Galaxy A51]

Design & Build

Design and ergonomics comparison
Height 158.5 mm (6.24 in) 158.18 mm (6.23 in)
Width 73.6 mm (2.9 in) 74.93 mm (2.95 in)
Thickness 7.9 mm (0.31 in) 8.14 mm (0.32 in)
Weight 172 g (6.07 oz) 195 g (6.88 oz)
Water resistance No IP69
Cooling system n/a Vapor chamber
Back panel Plastic Glass
Frame Plastic Metal
Colors - White
- Black		 - Blue
- Pink
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Samsung Galaxy A51
87.5 %
Oppo Reno 15 F
88 %

Performance

Testing Samsung Galaxy A51 and Oppo Reno 15 F In benchmarks
Processor
Chipset Samsung Exynos 9 Octa 9611 Qualcomm Snapdragon 6 Gen 1
Max Frequency 2300 MHz 2200 MHz
CPU Cores 8 (4 + 4) 8 (4 + 4)
Architecture - 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)		 - 4/1.8 (Cortex-A55)
- 4/2.2 (Cortex-A78)
Process Samsung Samsung
Transistor Size 10 nm 4 nm
Neural Processor Yes Yes
Graphics Mali-G72 MP3 Adreno 710
GPU Cores 54 256
GPU Frequency 850 MHz 676 MHz
FLOPS 113.8 GFLOPS 346.1 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy A51
512
Oppo Reno 15 F
890
Geekbench 6 (Multi-Core)
Samsung Galaxy A51
1556
Oppo Reno 15 F
2579
Geekbench 6 (Single-Core)512890
Geekbench 6 (Multi-Core)15562579
Geekbench Compute (GPU)n/a1527
Sources: Geekbench v6 [Oppo Reno 15 F]
AnTuTu 10
AnTuTu 10
Samsung Galaxy A51
268760
Oppo Reno 15 F
865334
CPU83857317576
GPU45166102038
Memory63828209948
UX75909235772
NanoReview Score268760865334
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy A51
812
Oppo Reno 15 F
n/a
Max Surface Temp.42.2 °Cn/a
Stability95 %n/a
Graphics Test4 fpsn/a
Graphics Score812n/a
Sources: 3DMark [Samsung Galaxy A51]

Memory

RAM
RAM Size - 4 GB
- 6 GB		 8 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1866 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB		128 GB
Storage TypeUFS 2.0UFS 3.1
Memory CardMicroSDMicroSD

Software

OS Android 10 (Upgradeable to Android 13) Android 16
OS Size 23 GB n/a
UI Skin One UI 5.1 ColorOS 16

Battery

Volume 4000 mAh 7000 mAh
Max Charging Power 15 W 80 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging No No
Reverse Charging No Yes
Fast Charging Yes (40% in 35 min) Yes (50% in 30 min)
Full Charge Time 1:50 h 1:04 h
Battery Life Test
Battery Life
Samsung Galaxy A51
17:53
Oppo Reno 15 F
n/a
Web Browsing07:15 hn/a
Video Playback11:25 hn/a
Games04:49 hn/a
Standby Mode81 hn/a

Main camera

Matrix 48 MP 50 MP
Photo resolution 8000x6000 pixels 8192x6144 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Digital Optical
8K Recording No No
4K Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion 960 fps (720p) 240 fps (720p)
Wide-angle lens 120 ° 112 °
Lenses count Standard: 48 MP
Ultra-wide: 12 MP
Macro: 5 MP
Depth: 5 MP		 Standard: 50 MP
Ultra-wide: 8 MP
Macro: 2 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix48 MP50 MP
Aperturef/2.0f/1.8
Focal length26 mm26 mm
SensorSony IMX582n/a
Sensor size1/21/1.95 (0.51)
Pixel size0.8 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Ultra-wide lens
Matrix12 MP8 MP
Aperturef/2.2f/2.2
Focal length13 mm16 mm
Sensor sizen/a1/4.0 (0.25)
Pixel size1.12 μmn/a
StabilizationDigitalDigital

Front camera

Matrix 32 MP 50 MP
Photo resolution 6560x4928 pixels 8192x6144 pixels
Aperture f/2.2 f/2.0
Focal length 26 mm 18 mm
Sensor Samsung S5KGD1 CMOS
Sensor size 1/2.8 n/a
Pixel size 0.8 μm n/a
Autofocus No No
Stabilization Digital Digital
Video resolution 2160p (4K) at 30 fps 2160p (4K) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 5.1
Bluetooth features PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP LE
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a No
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Varies by region
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G BandsGSM 850 / 900 / 1800 / 2100 / 2600GSM 850/900/1800/1900MHz
3G BandsUMTS 850 / 900 / 1900 / 2100WCDMA /2/4/5/6/8/19
LTE Bands*LTE (B850/B900/B1800/B2100/B2600)LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B38/B39/B40/B41/B42/B48/B66/B71)
LTE category12n/a
5G SupportNoYes

Sound

Speakers Mono n/a
3.5 mm Jack Yes No
FM Radio Yes No
Dolby Atmos Yes No
Speaker Test
Max Volume
Samsung Galaxy A51
81.7 dB
Oppo Reno 15 F
n/a

Other

Class Mid-range Mid-range
Announced December, 2019 yr January, 2026 yr
Release Date December, 2019 yr January, 2026 yr
Launch Price ($) 399 n/a
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Oppo Reno 15 F the clear winner in this comparison.

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