Samsung Galaxy A9 (2018) vs Samsung Galaxy S9
A spec-by-spec comparison of the Samsung Galaxy A9 (2018) 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 A9 (2018) | Samsung Galaxy S9 |
|---|
| Price | $129 | $159 |
| Our rating | 7/10 | 7/10 |
| Battery | 3,800 mAh | 3,000 mAh |
| Wired charging | 18W | 15W |
| RAM (max) | — | 4 GB |
| Storage (max) | 512 GB | 400 GB |
| Screen size | 6.3 in | 5.8 in |
| Main camera | 24 MP | 12 MP |
| Weight (lower is lighter) | 183 g | 163 g |
| Released | Nov 2018 | Mar 2018 |
Summary: Samsung Galaxy A9 (2018) is ahead on battery, wired charging, storage (max), screen size. Samsung Galaxy S9 is ahead on weight (lower is lighter).
★ Which should you buy? Samsung Galaxy A9 (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 A9 (2018) | Samsung Galaxy S9 |
|---|
| Type | Super AMOLED | Super AMOLED, HDR10 |
| Size | 6.3 inches, 100.2 cm2 (~80.5% screen-to-body ratio) | 5.8 inches, 84.2 cm² (~83.6% screen-to-body ratio) |
| Resolution | 1080 x 2220 pixels, 18.5:9 ratio (~392 ppi density) | 1440 x 2960 pixels, 18.5:9 ratio (~570 ppi density) |
| Protection | Corning Gorilla Glass 5 | Corning Gorilla Glass 5 |
Platform
| Samsung Galaxy A9 (2018) | Samsung Galaxy S9 |
|---|
| OS | Android 8.0 (Oreo), upgradable to Android 10, One UI 2.1 | Android 8.0 (Oreo), upgradable to Android 10, One UI 2.5 |
| Chipset | Qualcomm Snapdragon 660 (14 nm) | Exynos 9810 (10 nm) - EMEA or Qualcomm MSM8998 Snapdragon 845 (10 nm) - USA/LATAM, China |
| CPU | Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) | 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 | Adreno 512 | Mali-G72 MP18 - EMEA or Adreno 630 - USA/LATAM, China |
Memory
| Samsung Galaxy A9 (2018) | Samsung Galaxy S9 |
|---|
| Internal Storage | 128GB | — |
| RAM | 6GB or 8GB | — |
| Card Slot | microSDXC (dedicated slot, up to 512GB) | — |
| Card slot | — | microSDXC (uses shared SIM slot) - dual SIM model only or dedicated slot - single SIM model, up to 400 GB |
| Internal | — | 64GB 4GB RAM, 128GB 4GB RAM, 256GB 4GB RAM |
Main Camera
| Samsung Galaxy A9 (2018) | Samsung Galaxy S9 |
|---|
| Quad | 24 MP, f/1.7, 27mm (wide), 1/2.8", 0.9µm, PDAF; 10 MP, f/2.4, 52mm (telephoto), 1/3.9", 1.0µm, AF, 2x optical zoom; 8 MP, f/2.4, 12mm (ultrawide), 1/4.0", 1.12µm; 5 MP, f/2.2, (depth), 1/5.0", 1.12µm | — |
| Features | LED flash, panorama, HDR | LED flash, auto-HDR, panorama |
| Video | 4K@30fps, 1080p@30fps | 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR, stereo sound rec., gyro-EIS, OIS |
| Single | — | 12 MP, f/1.5-2.4, 26mm (wide), 1/2.55", 1.4µm, Dual Pixel PDAF, OIS |
Selfie Camera
| Samsung Galaxy A9 (2018) | Samsung Galaxy S9 |
|---|
| Single | 24 MP, f/2.0 | — |
| Video | 1080p@30fps | 1440p@30fps |
| Dual | — | 8 MP, f/1.7, 25mm (wide), 1/3.6", 1.22µm, AF; 2 MP (dedicated iris scanner camera) |
| Features | — | Dual video call, Auto-HDR |
Battery
| Samsung Galaxy A9 (2018) | Samsung Galaxy S9 |
|---|
| Type | Li-Po 3800 mAh, non-removable | Li-Ion 3000 mAh, non-removable |
| Charging | 18W wired, Samsung Adaptive Fast Charging | 15W wired, QC2.0; Qi/PMA wireless charging |
Body
| Samsung Galaxy A9 (2018) | Samsung Galaxy S9 |
|---|
| Dimensions | 162.5 x 77 x 7.8 mm (6.40 x 3.03 x 0.31 in) | 147.7 x 68.7 x 8.5 mm (5.81 x 2.70 x 0.33 in) |
| Weight | 183 g (6.46 oz) | 163 g (5.75 oz) |
| Build | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame |
| Colors | Caviar Black, Lemonade Blue, Bubblegum Pink | — |
| SIM | — | Single SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by) |
| Water & Dust Resistance | — | IP68 dust/water resistant (up to 1.5m for 30 min) |
Comms
| Samsung Galaxy A9 (2018) | Samsung Galaxy S9 |
|---|
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE, aptX |
| GPS | GPS, GLONASS, BDS, GALILEO | — |
| NFC | Yes | Yes |
| Radio | FM radio | No |
| USB | USB Type-C 2.0 | USB Type-C 3.1 |
| Positioning | — | GPS, GLONASS, BDS, GALILEO |
Launch
| Samsung Galaxy A9 (2018) | Samsung Galaxy S9 |
|---|
| Announced | October 2018 | February 25, 2018 |
| Status | Discontinued | Available. Released March 16, 2018. |
Frequently asked questions
Which has the better battery, Samsung Galaxy A9 (2018) or Samsung Galaxy S9?
Samsung Galaxy A9 (2018) — 3,800 mAh for the Samsung Galaxy A9 (2018) versus 3,000 mAh for the Samsung Galaxy S9.
Which is lighter, Samsung Galaxy A9 (2018) or Samsung Galaxy S9?
Samsung Galaxy S9 — 183 g for the Samsung Galaxy A9 (2018) versus 163 g for the Samsung Galaxy S9.
Which is newer, Samsung Galaxy A9 (2018) or Samsung Galaxy S9?
Samsung Galaxy A9 (2018) — Nov 2018 for the Samsung Galaxy A9 (2018) versus Mar 2018 for the Samsung Galaxy S9.
Is the Samsung Galaxy A9 (2018) or the Samsung Galaxy S9 rated higher?
We rate the Samsung Galaxy A9 (2018) 7/10 and the Samsung Galaxy S9 7/10.
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