Home Phone comparison Samsung Galaxy S9 Plus and Samsung Galaxy A8 (2018) - Which is better?

Samsung Galaxy S9 Plus vs Samsung Galaxy A8 (2018)

48 out 100
Samsung Galaxy S9 Plus
VS
36 out 100
Samsung Galaxy A8 (2018)
Samsung Galaxy S9 Plus
Samsung Galaxy A8 (2018)

Compared 2 smartphones : Samsung Galaxy S9 Plus Manufactured in March, 2018, with display 6.2 with chipsetSamsung Exynos 9 Octa 9810, 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 Samsung Galaxy S9 Plus
  • Larger display: 6.2in
  • Higher pixel density: 531ppi
  • Higher battery capacity: 3500mAh vs 3000mAh
  • Supports newer USB: 3.1 vs 2
Reasons to choose Samsung Galaxy A8 (2018)
  • Lighter design: 172g vs 189g

Versions

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

Review

Key Specs Samsung Galaxy S9 Plus 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:
Samsung Galaxy S9 Plus
vs
Galaxy A8 (2018)

Display

Display quality comparison
Type Super AMOLED Super AMOLED
Size 6.2 in 5.6 in
Resolution 1440x2960 pixels 1080x2220 pixels
Aspect ratio 18.5:9 18.5:9
Pixel density 531 ppi 441 ppi
Refresh rate 60 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 631 nits 390 nits
HDR support Yes HDR10 No
Screen-to-body ratio 83.6 % 75.5 %
Features Always-On Display n/a
Display test
Peak brightness (auto)
Samsung Galaxy S9 Plus
629 nits
Samsung Galaxy A8 (2018)
586 nits
PWM (Flicker)215 Hz242 Hz
Response time7 ms4.6 ms
Contrast∞ Infinite∞ Infinite
Sources: NotebookCheck [Samsung Galaxy S9 Plus], [Samsung Galaxy A8 (2018)]

Design & Build

Design and ergonomics comparison
Height 158.1 mm (6.22 in) 149.2 mm (5.87 in)
Width 73.8 mm (2.91 in) 70.6 mm (2.78 in)
Thickness 8.5 mm (0.33 in) 8.4 mm (0.33 in)
Weight 189 g (6.67 oz) 172 g (6.07 oz)
Water resistance IP68 IP68
Back panel Glass Glass
Frame Metal Metal
Colors - Black
- Gold
- Gray
- Red
- Purple		 - Black
- Gold
- Blue
Fingerprint sensor Yes rear Yes rear
Screen-to-body ratio
Samsung Galaxy S9 Plus
83.6 %
Samsung Galaxy A8 (2018)
75.5 %

Performance

Testing Samsung Galaxy S9 Plus and Samsung Galaxy A8 (2018) In benchmarks
Processor
Chipset Samsung Exynos 9 Octa 9810 Samsung Exynos 7 Octa 7885
Max Frequency 2900 MHz 2200 MHz
CPU Cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4/1.9 (Cortex-A55)
- 4/2.9 (Exynos M3)		 - 6/1.6 (Cortex-A53)
- 2/2.2 (Cortex-A73)
Process Samsung Samsung
Transistor Size 10 nm 14 nm
Neural Processor Yes No
Graphics Mali-G72 MP18 Mali-G71 MP2
GPU Cores 324 32
GPU Frequency 572 MHz 770 MHz
FLOPS 370.6 GFLOPS 70.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S9 Plus
751
Samsung Galaxy A8 (2018)
n/a
Geekbench 6 (Multi-Core)
Samsung Galaxy S9 Plus
1909
Samsung Galaxy A8 (2018)
n/a
Geekbench 6 (Single-Core)751n/a
Geekbench 6 (Multi-Core)1909n/a
AnTuTu 10
AnTuTu 10
Samsung Galaxy S9 Plus
467429
Samsung Galaxy A8 (2018)
202681
CPU14264273673
GPU14009126657
Memory9970550080
UX8499152271
NanoReview Score467429202681
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S9 Plus
2328
Samsung Galaxy A8 (2018)
n/a
Max Surface Temp.40.7 °Cn/a
Stability95 %n/a
Graphics Test13 fpsn/a
Graphics Score2328n/a
Sources: 3DMark [Samsung Galaxy S9 Plus]
PCMark 3.0
PCMark 3.0
Samsung Galaxy S9 Plus
6261
Samsung Galaxy A8 (2018)
n/a
Writing score6167n/a
Web score5425n/a
Video editing5459n/a
Data manipulation5611n/a
NanoReview Score6261n/a

Memory

RAM
RAM Size 6 GB 4 GB
Memory Type LPDDR4X LPDDR4
Memory Frequency 1794 MHz 1333 MHz
Channels 2 2
Storage
Storage Capacity64 GB- 32 GB
- 64 GB
Storage TypeUFS 2.1eMMC 5.1
Memory CardMicroSDMicroSD

Software

OS Android 8.0 (Upgradeable to Android 10) Android 7.1.1 (Upgradeable to Android 9)
OS Size 13.9 GB n/a
UI Skin One UI 2.5 One UI 2.0

Battery

Volume 3500 mAh 3000 mAh
Max Charging Power 15 W 18 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging Yes Qi/PMA (10 W) No
Reverse Charging No No
Fast Charging Yes (40% in 30 min) Yes Samsung Adaptive Fast Charge (50% in 30 min)
Full Charge Time 1:40 h 1:35 h
Battery Life Test
Battery Life
Samsung Galaxy S9 Plus
16:44
Samsung Galaxy A8 (2018)
17:10
Web Browsing06:05 h06:38 h
Video Playback10:25 h11:19 h
Games04:17 h04:20 h
Standby Mode84 h80 h

Main camera

Matrix 12 MP 16 MP
Photo resolution 4032x3024 pixels 4920x3264 pixels
Zoom Optical, 2x Digital
Flash Dual LED LED
Stabilization Optical Digital
8K Recording No No
4K Recording Yes (Up to 60 fps) No
1080p Recording Yes (Up to 240 fps) Yes (Up to 30 fps)
Slow Motion 960 fps (720p) No
Lenses count Standard: 12 MP
Telephoto: 12 MP		 Standard: 16 MP
Features - Bokeh effect
- Pro mode
Main lens
Matrix12 MP16 MP
Aperturef/1.5 - 2.4f/1.7
Focal length26 mm26 mm
SensorSamsung SAK2L3Samsung S5K2P6SX
Sensor size1/2.551/2.8
Pixel size1.4 μm1.12 μm
AutofocusPhase autofocus (Dual Pixel)Phase autofocus
StabilizationOpticalDigital
Telephoto
Matrix12 MPn/a
Aperturef/2.4n/a
Focal length52 mmn/a
Sensor size1/3.6n/a
Pixel size1 μmn/a
StabilizationOpticaln/a
Main camera DxOMark results
Photo quality
Samsung Galaxy S9 Plus
104
Samsung Galaxy A8 (2018)
82
Video quality
Samsung Galaxy S9 Plus
91
Samsung Galaxy A8 (2018)
74
Overall camera score
Samsung Galaxy S9 Plus
99
Samsung Galaxy A8 (2018)
79
Sources: DxOMark [Samsung Galaxy S9 Plus]

Front camera

Matrix 8 MP 16 MP
Photo resolution 3264x2448 pixels 4608x3456 pixels
Aperture f/1.7 f/1.9
Focal length 25 mm 27 mm
Sensor Samsung S5K3H1 Samsung S5K3P8SP
Sensor size 1/3.6 1/3.1
Pixel size 1.22 μm 1 μm
Autofocus Phase autofocus (Dual Pixel) No
Stabilization Digital Digital
Video resolution 1440p 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		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
Bluetooth version 5 5
Bluetooth features PBAP/PAB, PAN, OPP, MAP, LE, HSP, HID, HFP, DIP, AVRCP, A2DP PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP
USB type USB Type-C USB Type-C
USB version 3.1 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
NFC* Yes Yes
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotYesNo
2G BandsGSM 850, GSM 900, GSM 1800, GSM 1900GSM 850, GSM 900, GSM 1800, GSM 1900
3G BandsHSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100HSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100
LTE Bands*LTE (B700/B800/B850/B900/B1700/B1800/B1900/B2100/B2300/B2500/B2600)LTE (B800/B850/B900/B1700/B1800/B1900/B2100/B2300/B2500)
LTE category1811
5G SupportNoNo

Sound

Speakers Stereo Mono
3.5 mm Jack Yes Yes
FM Radio No Yes
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Samsung Galaxy S9 Plus
85.6 dB
Samsung Galaxy A8 (2018)
85 dB

Other

Class Flagship Mid-range
Announced February, 2018 yr December, 2017 yr
Release Date March, 2018 yr January, 2018 yr
Launch Price ($) 840 480
Sensors - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Barometer
- 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 Samsung Galaxy S9 Plus the clear winner in this comparison.

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