Samsung Galaxy S8 vs Samsung Galaxy S9

A spec-by-spec comparison of the Samsung Galaxy S8 and the Samsung Galaxy S9, taken from their full specification sheets. Green marks the better value in each measured row.

Head to head

Samsung Galaxy S8Samsung Galaxy S9
Price$90$159
Our rating7/107/10
Battery3,000 mAh3,000 mAh
Wired charging15W15W
RAM (max)4 GB4 GB
Storage (max)64 GB400 GB
Screen size5.8 in5.8 in
Main camera12 MP12 MP
Weight (lower is lighter)155 g163 g
ReleasedApr 2017Mar 2018
Summary: Samsung Galaxy S8 is ahead on weight (lower is lighter). Samsung Galaxy S9 is ahead on storage (max).
★ Which should you buy? Specs are close to an even split here, so Samsung Galaxy S8 is the better buy — the extra cost of the other one isn't matched by a clear spec advantage.

Display

Samsung Galaxy S8Samsung Galaxy S9
TypeSuper AMOLED, HDR10Super AMOLED, HDR10
Size5.8 inches, 84.8 cm2 (~83.6% screen-to-body ratio)5.8 inches, 84.2 cm² (~83.6% screen-to-body ratio)
Resolution1440 x 2960 pixels, 18.5:9 ratio (~570 ppi density)1440 x 2960 pixels, 18.5:9 ratio (~570 ppi density)
ProtectionCorning Gorilla Glass 5Corning Gorilla Glass 5
Features3D Touch (home button only), Always-on display—

Platform

Samsung Galaxy S8Samsung Galaxy S9
OSAndroid 7.0 (Nougat), upgradable to Android 9.0 (Pie)Android 8.0 (Oreo), upgradable to Android 10, One UI 2.5
Chipset (USA)Qualcomm MSM8998 Snapdragon 835 (10 nm)—
Chipset (Global)Exynos 8895 (10 nm)—
CPU (USA)Octa-core (4x2.35 GHz Kryo & 4x1.9 GHz Kryo)—
CPU (Global)Octa-core (4x2.3 GHz Mongoose M2 & 4x1.7 GHz Cortex-A53)—
GPU (USA)Adreno 540—
GPU (Global)Mali-G71 MP20—
Chipset—Exynos 9810 (10 nm) - EMEA or Qualcomm MSM8998 Snapdragon 845 (10 nm) - USA/LATAM, China
CPU—Octa-core (4x2.7 GHz Mongoose M3 & 4x1.7 GHz Cortex-A55) - EMEA or Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver) - USA/LATAM, China
GPU—Mali-G72 MP18 - EMEA or Adreno 630 - USA/LATAM, China

Memory

Samsung Galaxy S8Samsung Galaxy S9
Internal64GB 4GB RAM64GB 4GB RAM, 128GB 4GB RAM, 256GB 4GB RAM
Card slotmicroSDXC (uses shared SIM slot)microSDXC (uses shared SIM slot) - dual SIM model only or dedicated slot - single SIM model, up to 400 GB

Main Camera

Samsung Galaxy S8Samsung Galaxy S9
Single12 MP, f/1.7, 26mm (wide), 1/2.55", 1.4µm, Dual Pixel PDAF, OIS12 MP, f/1.5-2.4, 26mm (wide), 1/2.55", 1.4µm, Dual Pixel PDAF, OIS
FeaturesLED flash, auto-HDR, panoramaLED flash, auto-HDR, panorama
Video4K@30fps, 1080p@30/60fps, 720p@240fps, HDR, stereo sound rec., gyro-EIS, OIS4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR, stereo sound rec., gyro-EIS, OIS

Selfie Camera

Samsung Galaxy S8Samsung Galaxy S9
Dual8 MP, f/1.7, 25mm (wide), 1/3.6", 1.22µm, AF; 2 MP (dedicated iris scanner camera)8 MP, f/1.7, 25mm (wide), 1/3.6", 1.22µm, AF; 2 MP (dedicated iris scanner camera)
FeaturesDual video call, Auto-HDRDual video call, Auto-HDR
Video1440p@30fps1440p@30fps

Battery

Samsung Galaxy S8Samsung Galaxy S9
TypeLi-Ion 3000 mAh, non-removableLi-Ion 3000 mAh, non-removable
Charging15W wired (Quick Charge 2.0), Qi/PMA wireless charging15W wired, QC2.0; Qi/PMA wireless charging

Body

Samsung Galaxy S8Samsung Galaxy S9
Dimensions148.9 x 68.1 x 8 mm (5.86 x 2.68 x 0.31 in)147.7 x 68.7 x 8.5 mm (5.81 x 2.70 x 0.33 in)
Weight155 g (5.47 oz)163 g (5.75 oz)
BuildGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frameGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
SIMSingle SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by)Single SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by)
ProtectionIP68 dust/water resistant (up to 1.5m for 30 min)—
Water & Dust Resistance—IP68 dust/water resistant (up to 1.5m for 30 min)

Comms

Samsung Galaxy S8Samsung Galaxy S9
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth5.0, A2DP, LE, aptX5.0, A2DP, LE, aptX
PositioningGPS, GLONASS, BDS, GALILEOGPS, GLONASS, BDS, GALILEO
NFCYesYes
RadioNoNo
USBUSB Type-C 3.1USB Type-C 3.1

Launch

Samsung Galaxy S8Samsung Galaxy S9
AnnouncedMarch 2017February 25, 2018
StatusReleased April 2017Available. Released March 16, 2018.

Frequently asked questions

Which is lighter, Samsung Galaxy S8 or Samsung Galaxy S9?

Samsung Galaxy S8 — 155 g for the Samsung Galaxy S8 versus 163 g for the Samsung Galaxy S9.

Which is newer, Samsung Galaxy S8 or Samsung Galaxy S9?

Samsung Galaxy S9 — Apr 2017 for the Samsung Galaxy S8 versus Mar 2018 for the Samsung Galaxy S9.

Is the Samsung Galaxy S8 or the Samsung Galaxy S9 rated higher?

We rate the Samsung Galaxy S8 7/10 and the Samsung Galaxy S9 7/10.

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