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vsMars
Head-to-head

Samsung - Galaxy S26 vs OnePlus 12

Last updated · How Mars Score works
Galaxy S26SAMSUNGILLUSTRATION
Probe A
Samsung
Galaxy S26
67.3/ 100C
Performance71· 25%
Battery50· 20%
Display65· 18%
Cameras70· 18%
Design78· 8%
Connectivity· 7%
Operating System95· 4%
OnePlus 12ONEPLUSILLUSTRATION
Probe B
OnePlus
OnePlus 12
68.2/ 100B
Performance70· 25%
Battery67· 20%
Display71· 18%
Cameras70· 18%
Design53· 8%
Connectivity· 7%
Operating System68· 4%
The fork

Where they actually differ

The most decisive specs, ranked by how much they matter — before the full spec table.

SpecSamsung - Galaxy S26OnePlus 12
Wireless charging15 W50 W
Front camera12 MP32 MP
Wired charging45 W100 W
Weight168 g220 g
Battery capacity4000 mAh5400 mAh
Pixel density425 ppi510 ppi
Quick verdict

Between the Galaxy S26 and OnePlus 12, the Galaxy S26 comes out ahead in weight / antutu, while the OnePlus 12 wins on wireless charging / front camera. Overall, the Galaxy S26 scores 67.3 and the OnePlus 12 scores 68.2 on our Mars Score.

Buying advice

Which should you buy?

These two are nearly even on the Mars Score (67.3 vs 68.2). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.

Pick the Galaxy S26 if you push the hardware — gaming, on-device AI, heavy multitasking — and the extra compute headroom is worth the trade-offs. The biggest gaps in its favor are weight, antutu, water resistance, among others. The single most decisive one: Weight — 52.00 g less. 168 vs 220.

Pick the OnePlus 12 if you photograph or shoot video regularly and want the better imaging pipeline of the two. Its strongest claims are wireless charging, front camera, wired charging, among others. The single most decisive one: Wireless charging — 233.33% more. 50 W vs 15 W.

Both ship with comparable ram, main camera, refresh rate, so those specs do not separate the two — focus on the differences below.

Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.

Decision guide

Which should you buy: Samsung - Galaxy S26 or OnePlus 12?

OnePlus 12 leads the current Mars Score by 0.9 points.The more useful decision is the trade-off behind that result: compare screen size, pixel density, battery capacity against the way you will actually use the product.

Choose Samsung - Galaxy S26 if…

Samsung - Galaxy S26 has the measurable edge on weight g, antutu score, ip rating.

Choose OnePlus 12 if…

OnePlus 12 has the measurable edge on wireless charging w, front cam mp, wired charging w.

This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.

Why Samsung - Galaxy S26 wins

  • Weight — 52.00 g less. 168 vs 220.
  • AnTuTu — 4.37% more. 2150000 vs 2060000.
  • Water resistance: IP68 (vs IP65).
  • Promised OS updates: 7 (vs 4).

Why OnePlus 12 wins

  • Wireless charging — 233.33% more. 50 W vs 15 W.
  • Front camera — 166.67% more. 32 MP vs 12 MP.
  • Wired charging — 122.22% more. 100 W vs 45 W.
  • Battery capacity — 35.00% more. 5400 mAh vs 4000 mAh.
  • Pixel density — 20.00% more. 510 ppi vs 425 ppi.
  • Screen size — 10.00% more. 6.82 " vs 6.2 ".
Full readout

Spec comparison

Design

SpecSamsung - Galaxy S26OnePlus 12
Weight168 glead220 g
Thickness7.4 mmlead9.15 mm
Water resistanceIP68leadIP65
Form factorbarbar

Display

SpecSamsung - Galaxy S26OnePlus 12
Screen size6.2 "6.82 "lead
Pixel density425 ppi510 ppilead
Refresh rate120 Hz120 Hz
Peak brightness2400 nits4500 nitslead

Performance

SpecSamsung - Galaxy S26OnePlus 12
RAM12 GB12 GB
Storage256 GB256 GB
AnTuTu2150000lead2060000
CPU total clock22.0 GHzlead21.0 GHz

Cameras

SpecSamsung - Galaxy S26OnePlus 12
Main camera50 MP50 MP
Front camera12 MP32 MPlead
Optical image stabilizationtruetrue

Battery

SpecSamsung - Galaxy S26OnePlus 12
Battery capacity4000 mAh5400 mAhlead
Wired charging45 W100 Wlead
Wireless charging15 W50 Wlead

Connectivity

SpecSamsung - Galaxy S26OnePlus 12
5G supporttruetrue
Headphone jackfalsefalse
microSD slotfalsefalse

Operating System

SpecSamsung - Galaxy S26OnePlus 12
OSAndroidAndroid
Promised OS updates7 yearslead4 years
Reader questions

Frequently asked

Which has better battery, Galaxy S26 or OnePlus 12?+

OnePlus 12 has 35.0% more battery — 4000 mAh vs 5400 mAh.

Which is lighter, Galaxy S26 or OnePlus 12?+

Galaxy S26 is 52g lighter — 168g vs 220g.

Is Galaxy S26 waterproof?+

Galaxy S26 has an IP68 rating.

Does OnePlus 12 support 5G?+

Yes, OnePlus 12 supports 5G.

Which has a better camera, Galaxy S26 or OnePlus 12?+

OnePlus 12 has a 50 MP main camera vs 50 MP.

Drill down

Spec-level deep dives

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