BeastCompare

Galaxy S20 Ultra vs OnePlus Ace 6 Ultra 5G: Which One Should You Buy?

OnePlus Ace 6 Ultra 5G edges ahead with a BeastScore of 86.6/100 — but the right choice depends on what matters to you.

Head-to-head
Comparing 2 devicesSwipe ⇄
Samsung · 2020

Galaxy S20 Ultra

Galaxy S20 Ultra
87/ 100
Launch price$1,399
OnePlus

OnePlus Ace 6 Ultra 5G

OnePlus Ace 6 Ultra 5G
87/ 100
Launch pricePrice on request
Head-to-head

OnePlus Ace 6 Ultra 5G wins 3 of 5 categories

Here's exactly where each phone is stronger.

Galaxy S20 Ultra
Galaxy S20 Ultra
2 wins
OnePlus Ace 6 Ultra 5G
OnePlus Ace 6 Ultra 5G
3 wins
At a glance

Bigger shape = better phone.

SpeedCameraBatteryDisplayValue
Galaxy S20 UltraOnePlus Ace 6 Ultra 5G
Category winners

Scores out of 100. How we score

  • SpeedGalaxy S20 Ultra
    90
    86
  • CameraGalaxy S20 Ultra
    97
    80
  • VideoNot enough data
  • SelfieNot enough data
  • BatteryOnePlus Ace 6 Ultra 5G
    86
    95
  • DisplayOnePlus Ace 6 Ultra 5G
    86
    89
  • ConnectivityNot enough data
  • SecurityNot enough data
  • ValueOnePlus Ace 6 Ultra 5G
    55
    85
Key differences
  • OnePlus Ace 6 Ultra 5G has the bigger battery8,600 mAh vs 5,000 mAh
  • Galaxy S20 Ultra has the bigger screen6.9" vs 6.78"
  • OnePlus Ace 6 Ultra 5G has more RAM16 GB vs 12 GB
See all specs ↓

Why buy each phone

Swipe ⇄
Reasons to buy Galaxy S20 Ultra
  • ✓108 MP main camera
  • ✓6.9" display at 120 Hz
Reasons to buy OnePlus Ace 6 Ultra 5G
  • ✓Bigger 8,600 mAh battery (+3,600 mAh)
  • ✓6.78" display at 120 Hz

Full specifications

Swipe ⇄
SpecificationGalaxy S20 UltraOnePlus Ace 6 Ultra 5G
1. Display & Screen🏆 OnePlus Ace 6 Ultra 5G Wins Display
Screen typeDynamic AMOLED 2XAMOLED
Screen Size6.9"6.78"
Resolution & Density3200x1440 (511 ppi)FHD+ / LTPO AMOLED
Refresh Rate120 Hz120 Hz
Brightness1,400 nits peakN/A
Screen ProtectionNot listedNot listed
2. Platform & Performance🏆 Galaxy S20 Ultra Wins Performance
Chipset / ProcessorNot listed Dimensity 9500
CPU CoresNot listedNot listed
GPU GraphicsNot listedNot listed
Operating SystemAndroid 10Android
3. Memory & Storage
RAM Memory12 GB LPDDR16 GB LPDDR
Internal Storage128GB / 256GB / 512GB1024 GB
Storage SpeedNot listedNot listed
Card SlotNoNo
4. Main Camera Optics🏆 Galaxy S20 Ultra Wins Camera
Primary Camera108 MP, f/1.8, OIS, Samsung HM1undefined MP, Triple Camera System
Telephoto Zoom48 MP (4x optical zoom), f/3.5, OISNone (digital zoom only)
Ultrawide Camera12 MP, f/2.2N/A
LiDAR / DepthNoneNone
5. Video
Main Camera Video
Not listed
Not listed
Front Video
Not listed
Not listed
6. Selfie Camera
Selfie Lens40 MP, f/2.2undefined MP
7. Body & Dimensions
Dimensions166.9 x 76 x 8.8 mmN/A
Weight220 gN/A
Build MaterialsNot listedNot listed
SIM TypeNot listedNot listed
Water ResistanceIP68Not listed
8. Battery & Charging🏆 OnePlus Ace 6 Ultra 5G Wins Battery
Battery Capacity5,000 mAh8,600 mAh
Wired Fast Charging45W wired fast chargingFast charging
Wireless Charging15W wireless chargingNot listed
Reverse ChargingNot listedNot listed
9. Sound & Audio
LoudspeakerNot listedNot listed
3.5mm Headphone JackNoNo
10. Connectivity
Wi-Fi StandardWi-Fi 6Not listed
Bluetooth5.0Not listed
USB Port & SpeedUSB-C 3.0Not listed
NFCYes (contactless payment)Yes
11. Sensors & Security
SensorsNot listedNot listed
Satellite FeaturesNot listedNot listed
12. Colors & Overview
ColorsNot listedNot listed
Launch Price$1,399Price on request
Our verdict

OnePlus Ace 6 Ultra 5G wins — BeastScore 86.6/100

The OnePlus Ace 6 Ultra 5G is the better pick for most people thanks to its bigger battery (8,600 mAh vs 5,000 mAh) and more RAM (16 GB vs 12 GB). The Galaxy S20 Ultra is worth a look if you prefer its bigger screen (6.9" vs 6.78").

Buy Galaxy S20 Ultra if you want

Optical telephoto zoom (1 telephoto lens)

Buy OnePlus Ace 6 Ultra 5G if you want

Larger battery: 8,600 mAh vs 5,000 mAh · More RAM: 16 GB vs 12 GB

Common questions

Which is better: Galaxy S20 Ultra or OnePlus Ace 6 Ultra 5G?

The OnePlus Ace 6 Ultra 5G is the better pick for most people thanks to its bigger battery (8,600 mAh vs 5,000 mAh) and more RAM (16 GB vs 12 GB). The Galaxy S20 Ultra is worth a look if you prefer its bigger screen (6.9" vs 6.78"). BeastScore: Galaxy S20 Ultra 86.7/100, OnePlus Ace 6 Ultra 5G 86.6/100.

What are the main battery and display differences between Galaxy S20 Ultra and OnePlus Ace 6 Ultra 5G?

Galaxy S20 Ultra has a 6.9-inch display and 5000 mAh battery. OnePlus Ace 6 Ultra 5G has a 6.78-inch display and 8600 mAh battery.

How do Galaxy S20 Ultra and OnePlus Ace 6 Ultra 5G compare for speed?

Galaxy S20 Ultra scores 90/100 for performance; OnePlus Ace 6 Ultra 5G scores 86/100.

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