Home Phone comparison Oppo Realme C75 and Samsung Galaxy A8 (2018) - Which is better?

Oppo Realme C75 vs Samsung Galaxy A8 (2018)

54 out 100
Oppo Realme C75
VS
36 out 100
Samsung Galaxy A8 (2018)
Oppo Realme C75
Samsung Galaxy A8 (2018)

Compared 2 smartphones : Oppo Realme C75 Manufactured in December, 2024, with display 6.72 with chipsetMediaTek Helio G92 Max, vs Samsung Galaxy A8 (2018), Manufactured in January, 2018 with chipsetSamsung Exynos 7 Octa 7885. 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 Oppo Realme C75
  • Larger display: 6.72in
  • Higher refresh rate: 90Hz
  • Higher battery capacity: 6000mAh vs 3000mAh
  • Includes charger
Reasons to choose Samsung Galaxy A8 (2018)
  • Higher pixel density: 441ppi
  • Lighter design: 172g vs 196g
  • Supports Dolby Atmos

Versions

Available versions and configurations
Memory Options - 6/128 GB
- 8/128 GB
- 8/256 GB		 - 4/32 GB
- 4/64 GB

Review

Key Specs Oppo Realme C75 and Samsung Galaxy A8 (2018)
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:
Oppo Realme C75
vs
Galaxy A8 (2018)

Display

Display quality comparison
Type IPS LCD Super AMOLED
Size 6.72 in 5.6 in
Resolution 1080x2400 pixels 1080x2220 pixels
Aspect ratio 20:9 18.5:9
Pixel density 392 ppi 441 ppi
Refresh rate 90 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 690 nits 390 nits
HDR support No No
Screen-to-body ratio 86.3 % 75.5 %
Display test
Peak brightness (auto)
Oppo Realme C75
n/a
Samsung Galaxy A8 (2018)
586 nits
PWM (Flicker)n/a242 Hz
Response timen/a4.6 ms
Contrastn/a∞ Infinite
Sources: NotebookCheck [Samsung Galaxy A8 (2018)]

Design & Build

Design and ergonomics comparison
Height 165.69 mm (6.52 in) 149.2 mm (5.87 in)
Width 76.22 mm (3 in) 70.6 mm (2.78 in)
Thickness 7.99 mm (0.31 in) 8.4 mm (0.33 in)
Weight 196 g (6.91 oz) 172 g (6.07 oz)
Water resistance IP69 IP68
Back panel Plastic Glass
Frame Plastic Metal
Colors - Black
- Gold		 - Black
- Gold
- Blue
Fingerprint sensor Yes In-Button Yes rear
Screen-to-body ratio
Oppo Realme C75
86.3 %
Samsung Galaxy A8 (2018)
75.5 %

Performance

Testing Oppo Realme C75 and Samsung Galaxy A8 (2018) In benchmarks
Processor
Chipset MediaTek Helio G92 Max Samsung Exynos 7 Octa 7885
Max Frequency 2000 MHz 2200 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/1.8 (Cortex-A55)
- 2/2 (Cortex-A75)		 - 6/1.6 (Cortex-A53)
- 2/2.2 (Cortex-A73)
Process TSMC Samsung
Transistor Size 12 nm 14 nm
Neural Processor MediaTek APU No
Graphics Mali-G52 MP2 Mali-G71 MP2
GPU Cores 48 32
GPU Frequency 1000 MHz 770 MHz
FLOPS 96 GFLOPS 70.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Oppo Realme C75
436
Samsung Galaxy A8 (2018)
n/a
Geekbench 6 (Multi-Core)
Oppo Realme C75
1356
Samsung Galaxy A8 (2018)
n/a
Geekbench 6 (Single-Core)436n/a
Geekbench 6 (Multi-Core)1356n/a
Geekbench Compute (GPU)1075n/a
Sources: Geekbench v6 [Oppo Realme C75]
AnTuTu 10
AnTuTu 10
Oppo Realme C75
222969
Samsung Galaxy A8 (2018)
202681
CPU5852073673
GPU4083826657
Memory5967250080
UX6393952271
NanoReview Score222969202681

Memory

RAM
RAM Size - 6 GB
- 8 GB		 4 GB
Memory Type LPDDR4X LPDDR4
Memory Frequency 1800 MHz 1333 MHz
Channels 2 2
Storage
Storage Capacity- 128 GB
- 256 GB		- 32 GB
- 64 GB
Storage TypeeMMC 5.1eMMC 5.1
Memory CardMicroSDMicroSD

Software

OS Android 14 Android 7.1.1 (Upgradeable to Android 9)
UI Skin Realme UI 5.0 One UI 2.0

Battery

Volume 6000 mAh 3000 mAh
Max Charging Power 45 W 18 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging No No
Reverse Charging Yes No
Fast Charging Yes (40% in 30 min) Yes Samsung Adaptive Fast Charge (50% in 30 min)
Full Charge Time n/a 1:35 h
Battery Life Test
Battery Life
Oppo Realme C75
n/a
Samsung Galaxy A8 (2018)
17:10
Web Browsingn/a06:38 h
Video Playbackn/a11:19 h
Gamesn/a04:20 h
Standby Moden/a80 h

Main camera

Matrix 50 MP 16 MP
Photo resolution n/a 4920x3264 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K Recording No No
4K Recording No No
1080p Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
Slow Motion n/a No
Lenses count Standard: 50 MP
Depth		 Standard: 16 MP
Features - Bokeh effect
- Pro mode
Main lens
Matrix50 MP16 MP
Aperturef/1.8f/1.7
Focal lengthn/a26 mm
Sensorn/aSamsung S5K2P6SX
Sensor size1/2.881/2.8
Pixel size0.64 μm1.12 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Oppo Realme C75
n/a
Samsung Galaxy A8 (2018)
82
Video quality
Oppo Realme C75
n/a
Samsung Galaxy A8 (2018)
74
Overall camera score
Oppo Realme C75
n/a
Samsung Galaxy A8 (2018)
79

Front camera

Matrix 8 MP 16 MP
Photo resolution 3264x2448 pixels 4608x3456 pixels
Aperture f/2.0 f/1.9
Focal length 26 mm 27 mm
Sensor CMOS Samsung S5K3P8SP
Sensor size 1/4 1/3.1
Pixel size n/a 1 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 1080p (Full HD) 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
Bluetooth version 5 5
Bluetooth features LE PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP
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 No n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
NFC* Varies by region Yes
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900MHzGSM 850, GSM 900, GSM 1800, GSM 1900
3G BandsWCDMA 1/5/8HSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100
LTE Bands*LTE (B1/B3/B5/B7/B8/B20/B28/B38/B40/B41)LTE (B800/B850/B900/B1700/B1800/B1900/B2100/B2300/B2500)
LTE category711
5G SupportNoNo

Sound

Speakers Stereo Mono
3.5 mm Jack No Yes
FM Radio No Yes
Dolby Atmos No Yes
Speaker Test
Max Volume
Oppo Realme C75
n/a
Samsung Galaxy A8 (2018)
85 dB

Other

Class Budget Mid-range
Announced November, 2024 yr December, 2017 yr
Release Date December, 2024 yr January, 2018 yr
Launch Price ($) 180 480
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 45 W n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Oppo Realme C75 the clear winner in this comparison.

Survey

Which smartphone would you pick?
0 (0%)
0 (0%)
Total Votes: 0

User comments

Share your opinion or ask questions below