Galaxy S7 Edge vs Galaxy S9: Which One Should You Buy?

Galaxy S9 edges ahead with a BeastScore of 64.8/100 — but the right choice depends on what matters to you.

Head-to-head
Comparing 2 devicesSwipe ⇄
Samsung · 2016

Galaxy S7 Edge

Galaxy S7 Edge
65/ 100
Launch price$770
Samsung · 2018

Galaxy S9

Galaxy S9
65/ 100
Launch price$720
Head-to-head

Galaxy S9 wins 1 of 8 categories

Here's exactly where each phone is stronger.

Galaxy S7 Edge
Galaxy S7 Edge
0 wins
Galaxy S9
Galaxy S9
1 win
At a glance

Bigger shape = better phone.

SpeedCameraSelfieBatteryDisplayConnectivitySecurityValue
Galaxy S7 EdgeGalaxy S9
Category winners

Scores out of 100. How we score

  • SpeedTie
    64
    64
  • CameraTie
    72
    72
  • VideoNot enough data
  • SelfieTie
    40
    40
  • BatteryTie
    58
    58
  • DisplayTie
    62
    62
  • ConnectivityGalaxy S9
    45
    65
  • SecurityTie
    100
    100
  • ValueTie
    68
    68
Key differences
  • Galaxy S7 Edge has the bigger battery3,600 mAh vs 3,000 mAh
  • Galaxy S9 has the bigger screen5.8" vs 5.5"
  • Galaxy S7 Edge is lighter157 g vs 163 g
  • Galaxy S9 launched cheaper$720 vs $770
  • Galaxy S9 has a sharper selfie camera8 MP vs 5 MP
  • Galaxy S9 has newer Bluetooth5 vs 4.2
See all specs ↓

Why buy each phone

Swipe ⇄
Reasons to buy Galaxy S7 Edge
  • ✓6 g lighter (157 g vs 163 g), easier to hold
  • ✓Bigger 3,600 mAh battery (+600 mAh)
  • ✓12 MP main camera
Reasons to buy Galaxy S9
  • ✓$50 cheaper at launch ($720 vs $770)
  • ✓12 MP main camera
  • ✓5.8" display at 60 Hz

Full specifications

Swipe ⇄
SpecificationGalaxy S7 EdgeGalaxy S9
1. Display & Screen
Screen typeQuad HD Super AMOLED (dual edge)Super AMOLED
Screen Size5.5"5.8"
Resolution & Density2560x1440 (534 ppi)2960x1440 (570 ppi)
Refresh Rate60 Hz60 Hz
Brightness855 nits peak864 nits peak
Screen ProtectionNot listedNot listed
2. Platform & Performance
Chipset / ProcessorNot listed Not listed
CPU CoresNot listedNot listed
GPU GraphicsNot listedNot listed
Operating SystemAndroid 6.0Android 8.0
3. Memory & Storage
RAM Memory4 GB LPDDR4 GB LPDDR
Internal Storage32GB / 64GB / 128GB64GB / 128GB / 256GB
Storage SpeedNot listedNot listed
Card SlotNoNo
4. Main Camera Optics
Primary Camera12 MP, f/1.7, OIS12 MP, f/1.5, OIS
Telephoto ZoomNone (digital zoom only)None (digital zoom only)
Ultrawide CameraN/AN/A
LiDAR / DepthNoneNone
5. Video
Main Camera Video
Not listed
Not listed
Front Video
Not listed
Not listed
6. Selfie Camera
Selfie Lens5 MP, f/1.78 MP, f/1.7
7. Body & Dimensions🏆 Galaxy S7 Edge Lightest Chassis
Dimensions150.9 x 72.6 x 7.7 mm147.7 x 68.7 x 8.5 mm
Weight157 g163 g
Build MaterialsNot listedNot listed
SIM TypeNot listedNot listed
Water ResistanceIP68IP68
8. Battery & Charging
Battery Capacity3,600 mAh3,000 mAh
Wired Fast Charging15W wired fast charging15W wired fast charging
Wireless Charging7.5W wireless charging10W wireless charging
Reverse ChargingNot listedNot listed
9. Sound & Audio
LoudspeakerNot listedNot listed
3.5mm Headphone JackNoNo
10. Connectivity
Wi-Fi StandardWi-Fi 5Wi-Fi 5
Bluetooth4.25.0
USB Port & SpeedMicro-USB 2.0USB-C 3.1
NFCYes (contactless payment)Yes (contactless payment)
11. Sensors & Security
SensorsNot listedNot listed
Satellite FeaturesNot listedNot listed
12. Colors & Overview
ColorsNot listedNot listed
Launch Price$770$720
Our verdict

Galaxy S9 wins — BeastScore 64.8/100

The Galaxy S9 is the better pick for most people thanks to its bigger screen (5.8" vs 5.5") and lower launch price ($720 vs $770). The Galaxy S7 Edge is worth a look if you prefer its bigger battery (3,600 mAh vs 3,000 mAh).

Buy Galaxy S7 Edge if you want

Larger battery: 3,600 mAh vs 3,000 mAh

Buy Galaxy S9 if you want

Reliable all-round performance.

Common questions

Which is better: Galaxy S7 Edge or Galaxy S9?

The Galaxy S9 is the better pick for most people thanks to its bigger screen (5.8" vs 5.5") and lower launch price ($720 vs $770). The Galaxy S7 Edge is worth a look if you prefer its bigger battery (3,600 mAh vs 3,000 mAh). BeastScore: Galaxy S7 Edge 64.8/100, Galaxy S9 64.8/100.

What are the main battery and display differences between Galaxy S7 Edge and Galaxy S9?

Galaxy S7 Edge has a 5.5-inch display and 3600 mAh battery. Galaxy S9 has a 5.8-inch display and 3000 mAh battery.

How do Galaxy S7 Edge and Galaxy S9 compare for speed?

Galaxy S7 Edge scores 64/100 for performance; Galaxy S9 scores 64/100.

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