Samsung Galaxy S9 vs Galaxy S8

45 out of 100

VS

41 out of 100

Here we compared two flagship smartphones: the 5.8-inch Samsung Galaxy S9 (with Exynos 9 Octa 9810) that was released on February 25, 2018, against the Samsung Galaxy S8, which is powered by Exynos 9 Octa 8895 and came out 11 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Select the amount of RAM to evaluate performance and value for money more precisely

Key differences

An overview of the main advantages of each smartphone

Reasons to consider the Samsung Galaxy S9

42% better performance in AnTuTu Benchmark (611K versus 430K)
Better camera quality (According to DxOMark rating)
Slow-motion recording at 960FPS
Stereo speakers
More recent OS version: Android 10 versus 9
The phone is 11 months newer
2.1x faster in single-core GeekBench 6 test: 769 and 361 points

Reasons to consider the Samsung Galaxy S8

Shows 12% longer battery life (16:58 vs 15:09 hours)

Review

Evaluation of Samsung Galaxy S9 and Galaxy S8 crucial features

Display

Screen quality, color accuracy, brightness

Galaxy S9

62

Galaxy S8

63

Camera

Photo and video recording quality

Galaxy S9

49

Galaxy S8

40

Performance

CPU and memory performance (apps, system)

Galaxy S9

31

Galaxy S8

22

Gaming

Capabilities for playing modern games

Galaxy S9

23

Galaxy S8

16

Battery

Battery life, charging type and speed

Galaxy S9

33

Galaxy S8

37

Connectivity

Networks, ports, data transmission

Galaxy S9

74

Galaxy S8

73

NanoReview Score

Final comparison evaluation

Galaxy S9

45

Galaxy S8

41

Select your primary usage scenario to get a more accurate NanoReview Score

Value for money (Beta)

I'm choosing between these two smartphones I already have Samsung Galaxy S8. Is it worth upgrading?

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Avg. Price*

$

Currency

Avg. Price*

$

Galaxy S9

4 / 64 GB

VS

✅ Galaxy S8

4 / 64 GB

47.9

(Average)

Value Index

72.2

(Good)

Display

Type	Super AMOLED	Super AMOLED
Size	5.8 inches	5.8 inches
Resolution	1440 x 2960 pixels	1440 x 2960 pixels
Aspect ratio	18.5:9	18.5:9
PPI	568 ppi	570 ppi
Refresh rate	60 Hz	60 Hz
Adaptive refresh rate	No	No
Max rated brightness	658 nits	540 nits
HDR support	Yes, HDR10	Yes, HDR10
Screen protection	Corning Gorilla Glass 5	Corning Gorilla Glass 5
Screen-to-body ratio	84.1%	84.2%
Display features	- Always-On Display	- Always-On Display

Display tests
RGB color space	-	99.8%
PWM	240 Hz	250 Hz
Response time	7 ms	4.4 ms
Contrast	∞ Infinity	∞ Infinity

Peak brightness test (auto)

Galaxy S9 +7%

663 nits

Galaxy S8

620 nits

Sources: NotebookCheck [3], [4]

Design and build

Height	147.7 mm (5.81 inches)	148.9 mm (5.86 inches)
Width	68.7 mm (2.7 inches)	68.1 mm (2.68 inches)
Thickness	8.5 mm (0.33 inches)	8 mm (0.31 inches)
Weight	163 g (5.75 oz)	155 g (5.47 oz)
Waterproof	IP68	IP68
Rear material	Glass	Glass
Frame material	Metal	Metal
Colors	Black, Gold, Gray, Blue, Purple	Black, Silver, Gold, Gray, Blue, Red, Pink
Fingerprint scanner	Yes, rear	Yes, rear

Screen-to-body ratio

Galaxy S9

84.1%

Galaxy S8

84.2%

Performance

Chipset specifications of Samsung Galaxy S9 and Samsung Galaxy S8

SoC
Chipset	Samsung Exynos 9 Octa 9810	Samsung Exynos 9 Octa 8895
Max clock	2900 MHz	2300 MHz
CPU cores	8 (4 + 4)	8 (4 + 4)
Architecture	- 4 cores at 1.9 GHz: Cortex-A55 - 4 cores at 2.9 GHz: Exynos M3	- 4 cores at 1.69 GHz: Cortex-A53 - 4 cores at 2.314 GHz: Exynos M2
Manufacturing	Samsung	Samsung
Lithography process	10 nanometers	10 nanometers
Neural processor (NPU)	Yes	No

GPU
Graphics	Mali-G72MP18	Mali-G71 MP20
GPU shading units	216	240
GPU clock	572 MHz	546 MHz
FLOPS	~247.1 GFLOPS	~262.1 GFLOPS

Benchmarks

Benchmark comparison of Samsung Galaxy S9 and Samsung Galaxy S8

Geekbench 6 (Single-Core)

Galaxy S9 +113%

769

Galaxy S8

361

Geekbench 6 (Multi-Core)

Galaxy S9 +61%

2000

Galaxy S8

1240

Compute Score (GPU)

Galaxy S9

4798

Galaxy S8

n/a

Compute Score (GPU)	4798	-
Single-core score	769	361
Multi-core score	2000	1240

Sources: Geekbench [3], [4]

AnTuTu Benchmark 11

Galaxy S9 +42%

611930

Galaxy S8

430382

CPU	242718	184651
GPU	92154	78838
Memory	121349	99514
UX	155709	67379
Total score	611930	430382
Samples	[16 tests]	[7 tests]

PCMark 3.0

Galaxy S9

6353

Galaxy S8

n/a

Web score	5601	-
Video editing	5488	-
Photo editing	9525	-
Data manipulation	5650	-
Writing score	6250	-

Submit your benchmark results

Recent User Tests

The latest benchmark tests that have been submitted by users

Samsung Galaxy S9

Date	Benchmark	Result
📘 2026-07-06 -> legusk	AnTuTu	653076
📘 2026-07-04 -> Otchem1488	AnTuTu	617656
📘 2026-06-15 (Dib)	AnTuTu	539997
📘 2026-06-03 (Zolw)	AnTuTu	670558
📘 2026-04-20 (Seldo)	AnTuTu	616860

Add View all (19)

Samsung Galaxy S8

Date	Benchmark	Result
📘 2026-06-03 (leo)	AnTuTu	421047
📘 2026-02-23 (Ok)	AnTuTu	430382
📘 2025-12-31 (Barmaley)	AnTuTu	447464
📘 2025-12-26 (Barmaley)	AnTuTu	447464
📘 2025-10-23 (Loki)	AnTuTu	383236

Add View all (8)

Memory

RAM
RAM size	4 GB	4 GB
Memory type	LPDDR4X	LPDDR4X
Memory clock	1794 MHz	1794 MHz
Channels	2	2

Storage
Storage size	64 GB	64 GB
Storage type	UFS 2.1	UFS 2.1
Memory card	MicroSD	MicroSD
Memory card max size	Up to 400 GB	Up to 256 GB

Software

Operating system	Android 8.0 (Can be upgraded to Android 10)	Android 7.0 (Can be upgraded to Android 9.0)
ROM	One UI 2.5	One UI
OS size	14 GB	11.7 GB

Battery

Capacity	3000 mAh	3000 mAh
Max charge power	15 W	15 W
Battery type	Li-Po	Li-Ion
Replaceable	No	No
Wireless charging	Yes, Qi/PMA (10 W)	Yes, Qi/PMA
Reverse charging	No	No
Fast charging	Yes (40% in 30 min)	Yes, Samsung Adaptive Fast Charge (40% in 30 min)
Full charging time	1:35 hr	1:45 hr

Battery life tests
Web browsing	05:32 hr	06:26 hr
Watching video	09:42 hr	10:09 hr
Gaming	03:45 hr	04:05 hr
Standby	75 hr	85 hr

General battery life

Galaxy S9

15:09 hr

Galaxy S8 +12%

16:58 hr

Add your battery life

Main camera

Matrix	12 megapixels	12 megapixels
Image resolution	4000 x 3000	4000 x 3000
Zoom	Digital	Digital
Flash	Dual LED	Dual LED
Stabilization	Optical	Optical
8K video recording	No	No
4K video recording	Up to 60FPS	Up to 30FPS
1080p video recording	Up to 240FPS	Up to 60FPS
Slow motion	960 FPS (720p)	240 FPS (720p)
Lenses	1) Standard: 12 MP	1) Standard: 12 MP
Camera features	- Bokeh mode - Pro mode	- Pro mode

Standard lens
Image resolution	12 MP	12 MP
Aperture	f/1.5 - 2.4	f/1.7
Focal length	26 mm	26 mm
Sensor	Samsung SAK2L3	Sony IMX333
Sensor size	1/2.55" (≈ 0.39 inch)	1/2.55" (≈ 0.39 inch)
Pixel size	1.4 micron	1.4 micron
Autofocus	Phase autofocus	Phase autofocus
Stabilization	Optical	Optical

DxOMark main camera tests

Photo quality

Galaxy S9 +18%

104

Galaxy S8

88

Video quality

Galaxy S9 +3%

91

Galaxy S8

88

Generic main camera score

Galaxy S9 +13%

99

Galaxy S8

88

Samples

-

Photo samples of Samsung Galaxy S8 from DxOMark

Selfie camera

Megapixels	8 megapixels	8 megapixels
Image resolution	3264 x 2448	3264 x 2448
Aperture	f/1.7	f/1.7
Focal length	25 mm	25 mm
Sensor	Samsung S5K3H1	Samsung S5K3H7
Sensor size	1/3.6" (≈ 0.28 inch)	1/3.6" (≈ 0.28 inch)
Pixel size	1.22 micron	1.22 micron
Autofocus	Phase autofocus (Dual Pixel)	Phase autofocus
Stabilization	Digital	Digital
Video resolution	1440p at 30 FPS	1440p at 30 FPS
Depth sensor (TOF 3D)	No	No

DxOMark front camera

Galaxy S9

81

Galaxy S8 +16%

94

Photo	-	86
Video	-	107

Connectivity

Wi-Fi standard	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, LE, HSP, HID, HFP, DIP, AVRCP, A2DP
USB type	USB Type-C	USB Type-C
USB version	3.1	3.1
USB features	- Charging - USB-Storage mode - OTG	- Charging - USB-Storage mode - OTG
GPS	GPS, GLONASS, Beidou, Galileo	GPS, GLONASS, Beidou, Galileo
NFC*	Yes	Yes
Infrared port	No	No

Network
Number of SIM*	2	2
Type of SIM card	Nano	Nano
Multi SIM mode	Standby	Standby
eSIM support*	No	No
Hybrid slot	Yes	Yes
LTE Cat*	18	16
5G support	No	No

Sound

Speakers	Stereo	Mono
Headphone audio jack	Yes	Yes
FM radio	No	No
Dolby Atmos	Yes	Yes

Speakers test

Max loudness

Galaxy S9 +4%

86 dB

Galaxy S8

82.4 dB

Other

Category	Flagship	Flagship
Announced	February 2018	March 2017
Release date	March 2018	April 2017
Launch price (MSRP)	$720	$720
Successor	- Samsung Galaxy S25 FE	- Samsung Galaxy S25 FE
SAR (head)	0.362 W/kg	0.315 W/kg
SAR (body)	1.18 W/kg	1.27 W/kg
Sensors	- Barometer - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint	- Barometer - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint

Conclusion

After analyzing all the data, we think that the Samsung Galaxy S9 is definitely a better buy.

Cast your vote

So, which phone would you choose?

Samsung Galaxy S9

516 (69.8%)

Samsung Galaxy S8

223 (30.2%)

Total votes: 739

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Samsung Galaxy S9 vs Galaxy S8

Key differences

Review

Value for money (Beta)

Tests and specifications

Display

Design and build

Performance

Benchmarks

Recent User Tests

Memory

Software

Battery

Main camera

DxOMark main camera tests

Selfie camera

Connectivity

Sound

Other

Conclusion

Cast your vote

Related comparisons

User opinions