Samsung Galaxy A8 (2018) vs Samsung Galaxy S8
A spec-by-spec comparison of the Samsung Galaxy A8 (2018) and the Samsung Galaxy S8, taken from their full specification sheets. Green marks the better value in each measured row.
Head to head
| Samsung Galaxy A8 (2018) | Samsung Galaxy S8 |
|---|
| Price | $80 | $90 |
| Our rating | 9/10 | 7/10 |
| Battery | 3,000 mAh | 3,000 mAh |
| Wired charging | 18W | 15W |
| RAM (max) | 4 GB | 4 GB |
| Storage (max) | 256 GB | 64 GB |
| Screen size | 5.6 in | 5.8 in |
| Main camera | 16 MP | 12 MP |
| Weight (lower is lighter) | 172 g | 155 g |
| Released | Jan 2018 | Apr 2017 |
Summary: Samsung Galaxy A8 (2018) is ahead on our rating, wired charging, storage (max), main camera. Samsung Galaxy S8 is ahead on screen size, weight (lower is lighter).
★ Which should you buy? Samsung Galaxy A8 (2018) is the stronger overall pick on the measured specs.
Reviewed by the infozme.com Editorial Team — see how we research & rate phones.
Display
| Samsung Galaxy A8 (2018) | Samsung Galaxy S8 |
|---|
| Type | Super AMOLED | Super AMOLED, HDR10 |
| Size | 5.6 inches | 5.8 inches, 84.8 cm2 (~83.6% screen-to-body ratio) |
| Resolution | 1080 x 2220 pixels (FHD+) | 1440 x 2960 pixels, 18.5:9 ratio (~570 ppi density) |
| Aspect Ratio | 18.5:9 | — |
| Protection | Corning Gorilla Glass 5 | Corning Gorilla Glass 5 |
| Features | Always-on display | 3D Touch (home button only), Always-on display |
Platform
| Samsung Galaxy A8 (2018) | Samsung Galaxy S8 |
|---|
| OS | Android 7.1.1 (Nougat), upgradable to Android 9.0 (Pie), One UI | Android 7.0 (Nougat), upgradable to Android 9.0 (Pie) |
| Chipset | Exynos 7885 (14 nm) | — |
| CPU | Octa-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53) | — |
| GPU | Mali-G71 | — |
| 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 |
Memory
| Samsung Galaxy A8 (2018) | Samsung Galaxy S8 |
|---|
| Card slot | microSDXC (dedicated slot or shared with SIM2) - up to 256GB | microSDXC (uses shared SIM slot) |
| Internal | 32GB 4GB RAM, 64GB 4GB RAM | 64GB 4GB RAM |
Main Camera
| Samsung Galaxy A8 (2018) | Samsung Galaxy S8 |
|---|
| Single | 16 MP, f/1.7, 26mm (wide), PDAF | 12 MP, f/1.7, 26mm (wide), 1/2.55", 1.4µm, Dual Pixel PDAF, OIS |
| Features | LED flash, panorama, HDR | LED flash, auto-HDR, panorama |
| Video | 1080p@30fps | 4K@30fps, 1080p@30/60fps, 720p@240fps, HDR, stereo sound rec., gyro-EIS, OIS |
Selfie Camera
| Samsung Galaxy A8 (2018) | Samsung Galaxy S8 |
|---|
| Dual | 16 MP, f/1.9, 27mm (wide) + 8 MP, f/1.9, 24mm (wide) | 8 MP, f/1.7, 25mm (wide), 1/3.6", 1.22µm, AF; 2 MP (dedicated iris scanner camera) |
| Features | HDR | Dual video call, Auto-HDR |
| Video | 1080p@30fps | 1440p@30fps |
Battery
| Samsung Galaxy A8 (2018) | Samsung Galaxy S8 |
|---|
| Type | Li-Ion 3000 mAh, non-removable | Li-Ion 3000 mAh, non-removable |
| Charging | 18W fast charging | 15W wired (Quick Charge 2.0), Qi/PMA wireless charging |
Body
| Samsung Galaxy A8 (2018) | Samsung Galaxy S8 |
|---|
| Dimensions | 149.2 x 70.6 x 8.4 mm | 148.9 x 68.1 x 8 mm (5.86 x 2.68 x 0.31 in) |
| Weight | 172 g | 155 g (5.47 oz) |
| Build | Glass front (Gorilla Glass 5), glass back, aluminum frame | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame |
| SIM | Single 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) |
| IP Rating | IP68 dust/water resistant (up to 1.5m for 30 min) | — |
| Protection | — | IP68 dust/water resistant (up to 1.5m for 30 min) |
Comms
| Samsung Galaxy A8 (2018) | Samsung Galaxy S8 |
|---|
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Bluetooth | 5.0, A2DP, EDR, LE | 5.0, A2DP, LE, aptX |
| Positioning | GPS, GLONASS, BDS | GPS, GLONASS, BDS, GALILEO |
| NFC | Yes | Yes |
| Radio | FM radio | No |
| USB | USB Type-C 2.0 | USB Type-C 3.1 |
Launch
| Samsung Galaxy A8 (2018) | Samsung Galaxy S8 |
|---|
| Announced | 2017, December | March 2017 |
| Status | Available. Released 2018, January | Released April 2017 |
Frequently asked questions
Which is lighter, Samsung Galaxy A8 (2018) or Samsung Galaxy S8?
Samsung Galaxy S8 — 172 g for the Samsung Galaxy A8 (2018) versus 155 g for the Samsung Galaxy S8.
Which is newer, Samsung Galaxy A8 (2018) or Samsung Galaxy S8?
Samsung Galaxy A8 (2018) — Jan 2018 for the Samsung Galaxy A8 (2018) versus Apr 2017 for the Samsung Galaxy S8.
Is the Samsung Galaxy A8 (2018) or the Samsung Galaxy S8 rated higher?
We rate the Samsung Galaxy A8 (2018) 9/10 and the Samsung Galaxy S8 7/10.
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