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OnePlus 6 vs Samsung Galaxy S23 Ultra Comparison

A detailed, side-by-side comparison to help you pick the right phone.
OnePlus 6
OnePlus
OnePlus 6
8.8 / 10
Compass Score
From 83 critic reviews
Full review →
Samsung Galaxy S23 Ultra
Samsung
Samsung Galaxy S23 Ultra
9.0 / 10
Compass Score
From 107 critic reviews
Full review →
Verdict

Pros & cons

OnePlus 6

The OnePlus 6 is about as good as it gets without paying flagship prices. If you don’t mind the lack of waterproofing and don’t mind picking up a case to keep it looking good, it’s a solid value that reviewers loved.

+
Good
+ Bright, vibrant display
+ Sleek design
+ Excellent value
+ Great cameras
+ Clean interface
+ Dash charging
+ All-day battery life
−
Not
− No microSD support
− Fingerprint magnet
− No IP rating

Galaxy S23 Ultra

A powerhouse phone featuring a versatile triple-camera system and enduring battery life.

+
Good
+ Impressive 200MP camera
+ Long-lasting battery
+ Built-in S Pen
+ Fast performance
+ Durable design
−
Not
− High price point
− Bulky design
− Charging not included
− Slight shutter lag
− Color saturation issues
Spec data

How they compare

OnePlus 6
Galaxy S23 Ultra
Price (MSRP)
$529
Price (MSRP)
$1,199
OS
Android
OS
Android
Processor
Qualcomm Snapdragon 845 Octa core
Processor
Qualcomm SM8550 Snapdragon 8 Gen 2 (4 nm) Octa-core
Camera zoom
—
Camera zoom
—
Battery life
—
Battery life
—
Wired charging
—
Wired charging
45W
Wireless charging
—
Wireless charging
10W
Display
Color
Display
Color
Software support
—
Software support
—
Repairability
—
Repairability
—
Weight
177g (6.2 oz)
Weight
234g (8.3 oz)
Fingerprint
Yes
Fingerprint
Yes
Highlighted cells indicate the stronger value where a clear winner exists.
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Third-party data

Testing & benchmarks

OnePlus 6
Galaxy S23 Ultra
DxOMark v5
—
DxOMark v5
140
photo 139 · video 137
AnTuTu v10
—
AnTuTu v10
—
GSMArena endurance
—
GSMArena endurance
—
iFixit repairability
—
iFixit repairability
—
Physical comparison

Size & weight

Footprint · to scale
OnePlus 6
6.1" × 3"
Galaxy S23 Ultra
6.4" × 3.1"
Thickness · to scale
OnePlus 6
0.3"
Galaxy S23 Ultra
0.4"
Height
6.1" (155.7 mm)
Height
6.4" (163.4 mm)
Width
3" (75.4 mm)
Width
3.1" (78.1 mm)
Depth
0.3" (7.8 mm)
Depth
0.4" (8.9 mm)
Weight
177g (6.2 oz)
Weight
234g (8.3 oz)
Screen
6.28"
Screen
6.8"

Dimensions shown in inches (mm). Silhouettes are proportionally scaled for visual comparison.

Common questions

OnePlus 6 vs Galaxy S23 Ultra: FAQ

Which is better, the OnePlus 6 or Galaxy S23 Ultra?
Based on aggregated critic reviews, the Galaxy S23 Ultra earns a Compass Score of 9.0 compared to 8.8 for the OnePlus 6. That 0.2-point gap reflects stronger reviews across the board, though individual priorities like camera quality, battery life, or price could tip the scales the other way. Scores aggregate dozens of expert opinions, so they are a useful starting point, not the final word.
Which phone is more affordable, the OnePlus 6 or Galaxy S23 Ultra?
The OnePlus 6 launches at $529, which is $670 less than the Galaxy S23 Ultra at $1,199. Street prices shift after launch, so check current deals for both phones before deciding.
Should I buy the OnePlus 6 or the Galaxy S23 Ultra?
Our critics' take on the OnePlus 6: "The OnePlus 6 is about as good as it gets without paying flagship prices." On the Galaxy S23 Ultra: "A powerhouse phone featuring a versatile triple-camera system and enduring battery life." Both phones have clear strengths in different areas; scroll through the comparison above to see which trade-offs align with your priorities.

Specifications sourced from manufacturers and third-party databases. Last updated October 2026. Suggest a correction →