Home Phone comparison Samsung Galaxy A55 5G and Oppo Reno 15 - Which is better?

Samsung Galaxy A55 5G vs Oppo Reno 15

67 out 100
Samsung Galaxy A55 5G
VS
83 out 100
Oppo Reno 15
Samsung Galaxy A55 5G
Oppo Reno 15

Compared 2 smartphones : Samsung Galaxy A55 5G Manufactured in March, 2024, with display 6.6 with chipsetSamsung Exynos 1480, vs Oppo Reno 15, Manufactured in November, 2025 with chipsetMediaTek Dimensity 8450. 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 A55 5G
  • Larger display: 6.6in
  • Supports Dolby Atmos
Reasons to choose Oppo Reno 15
  • Higher pixel density: 460ppi
  • Lighter design: 187g vs 213g
  • Higher battery capacity: 6200mAh vs 5000mAh
  • Newer Bluetooth version: 5.4 vs 5.3
  • Infrared port
  • Includes charger

Versions

Available versions and configurations
Memory Options - 6/128 GB
- 6/256 GB
- 8/128 GB
- 8/256 GB
- 12/256 GB		 - 12/256 GB
- 12/512 GB
- 16/256 GB
- 16/512 GB
- 16/1024 GB

Review

Key Specs Samsung Galaxy A55 5G and Oppo Reno 15
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.
Customize your score
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 A55 5G
vs
Oppo Reno 15

Display

Display quality comparison
Type Super AMOLED AMOLED
Size 6.6 in 6.32 in
Resolution 1080x2340 pixels 1216x2640 pixels
Aspect ratio 19.5:9 19.5:9
Pixel density 390 ppi 460 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (60-120 Hz) Yes (60-120 Hz)
Max brightness 1000 nits 600 nits
HDR support Yes HDR10+ Yes, HDR10+
Touch Sampling Rate 240 Hz n/a
Screen-to-body ratio 85.8 % 89.6 %
Features - DCI-P3
- Always-On Display		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Samsung Galaxy A55 5G
1011 nits
Oppo Reno 15
n/a
sRGB gamut100 %n/a
PWM (Flicker)120 Hzn/a
Response time1 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Samsung Galaxy A55 5G]

Design & Build

Design and ergonomics comparison
Height 161.1 mm (6.34 in) 151.21 mm (5.95 in)
Width 77.4 mm (3.05 in) 72.42 mm (2.85 in)
Thickness 8.2 mm (0.32 in) 7.99 mm (0.31 in)
Weight 213 g (7.51 oz) 187 g (6.6 oz)
Water resistance IP67 IP69
Cooling system Vapor chamber Vapor chamber
Back panel Glass Glass
Frame Metal Metal
Colors - White
- Blue
- Purple
- Yellow		 - White
- Gold
- Brown
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Samsung Galaxy A55 5G
85.8 %
Oppo Reno 15
89.6 %

Performance

Testing Samsung Galaxy A55 5G and Oppo Reno 15 In benchmarks
Processor
Chipset Samsung Exynos 1480 MediaTek Dimensity 8450
Max Frequency 2750 MHz 3250 MHz
CPU Cores 8 (4 + 4) 8 (1 + 3 + 4)
Architecture - 4/2 (Cortex-A55)
- 4/2.75 (Cortex-A78)		 - 4/2.1 (Cortex-A725)
- 3/3 (Cortex-A725)
- 1/3.25 (Cortex-A725)
Process Samsung TSMC
Transistor Size 4 nm 4 nm
Neural Processor Yes MediaTek NPU 880
Graphics Samsung Xclipse 530 Mali-G720 MP7
GPU Cores 128 896
GPU Frequency 1300 MHz 1300 MHz
FLOPS 332.8 GFLOPS 2329.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy A55 5G
1168
Oppo Reno 15
1686
Geekbench 6 (Multi-Core)
Samsung Galaxy A55 5G
3503
Oppo Reno 15
5130
Geekbench 6 (Single-Core)11681686
Geekbench 6 (Multi-Core)35035130
Sources: Geekbench v6 [Samsung Galaxy A55 5G], [Oppo Reno 15]
AnTuTu 10
AnTuTu 10
Samsung Galaxy A55 5G
723621
Oppo Reno 15
1368197
CPU233611286007
GPU175311548893
Memory139428267249
UX175271266048
NanoReview Score7236211368197
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy A55 5G
3898
Oppo Reno 15
n/a
Sources: 3DMark [Samsung Galaxy A55 5G]
PCMark 3.0
PCMark 3.0
Samsung Galaxy A55 5G
13120
Oppo Reno 15
n/a
Writing score17087n/a
Web score11775n/a
Video editing7278n/a
Data manipulation11305n/a
NanoReview Score13120n/a

Memory

RAM
RAM Size 6 GB 12 GB
Memory Type LPDDR5 LPDDR5X
Memory Frequency 3200 MHz 4266 MHz
Channels 4 4
Storage
Storage Capacity128 GB256 GB
Storage TypeUFS 3.1UFS 3.1
Memory CardMicroSDNo

Software

OS Android 14 Android 16
OS Size 20.1 GB n/a
UI Skin One UI 6.1 ColorOS 16

Battery

Volume 5000 mAh 6200 mAh
Max Charging Power 25 W 80 W
Battery Type Li-ion Silicon Carbon (Si/C)
Removable No No
Wireless Charging No No
Reverse Charging No Yes
Fast Charging Yes (55% in 30 min) Yes (73% in 30 min)
Full Charge Time 1:03 h 0:52 h
Battery Life Test
Battery Life
Samsung Galaxy A55 5G
26:41
Oppo Reno 15
n/a
Web Browsing10:24 hn/a
Video Playback17:52 hn/a
Games05:16 hn/a
Standby Mode125 hn/a

Main camera

Matrix 50 MP 200 MP
Photo resolution 8160x6120 pixels n/a
Zoom 75 Optical, 3.5x
Flash LED LED
Stabilization Optical Optical
8K Recording No No
4K Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (720p) 240 fps (1080p)
Wide-angle lens 123 ° 116 °
Lenses count Standard: 50 MP
Ultra-wide: 12 MP
Macro: 5 MP		 Standard: 200 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP200 MP
Aperturef/1.8f/1.8
Focal lengthn/a24 mm
SensorSony IMX906n/a
Sensor size1/1.561/1.56 (0.64)
Pixel size1 μm0.5 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalOptical
Telephoto
Matrixn/a50 MP
Aperturen/af/2.8
Focal lengthn/a85 mm
Stabilizationn/aOptical
Ultra-wide lens
Matrix12 MP50 MP
Aperturef/2.2f/2.0
Focal lengthn/a16 mm
SensorSony IMX258n/a
Sensor size1/3.06n/a
Pixel size1.12 μmn/a
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy A55 5G
110
Oppo Reno 15
n/a
Video quality
Samsung Galaxy A55 5G
117
Oppo Reno 15
n/a
Overall camera score
Samsung Galaxy A55 5G
108
Oppo Reno 15
n/a
Bokeh45n/a
Preview54n/a
Sources: DxOMark [Samsung Galaxy A55 5G]

Front camera

Matrix 32 MP 50 MP
Photo resolution 6464x4864 pixels 8192x6144 pixels
Aperture f/2.2 f/2.0
Focal length 26 mm 18 mm
Sensor Sony IMX616 n/a
Sensor size 1/2.74 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 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Wi-Fi 6E (802.11 a/b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.3 5.4
Bluetooth features LE 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
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Varies by region Yes
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesYes
Hybrid SlotYesNo
2G BandsGSM850, GSM900, DCS1800, PCS1900GSM 850/900/1800MHz
3G BandsUMTS B1(2100), B2(1900), B4(AWS), B5(850), B8(900)WCDMA 1/4/5/8/19
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B20/B25/B26/B28/B66)LTE (B1/B2/B3/B4/B5/B8/B18/B19/B25/B26/B28/B34/B38/B39/B40/B41/B42/B43/B48/B66)
LTE category18n/a
5G SupportYesYes

Sound

3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes No
Speaker Test
Max Volume
Samsung Galaxy A55 5G
91.4 dB
Oppo Reno 15
n/a

Other

Class Mid-range Mid-range
Announced March, 2024 yr November, 2025 yr
Release Date March, 2024 yr November, 2025 yr
MSRP ($) 439 400
Sensors - Hall Sensor
- Barometer
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included No Yes, 80 W

Note

Samsung Galaxy A55 5G:

The barometer is only available in the model for the USA. SM-A556B/DS and A556E/DS models come with two physical SIM cards.

* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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

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