Smartphone Comparison

OnePlus 12R vs Xiaomi 15 Ultra

Verdict
OnePlus 12R vs Xiaomi 15 Ultra: Xiaomi 15 Ultra is the faster phone

Head-to-head specifications

MetricOnePlus 12RXiaomi 15 UltraDifference
AnTuTu v10 score1,557,5162,758,993-43.5%
ChipsetSnapdragon 8 Gen 2Snapdragon 8 Elite
Display6.8" 120 Hz6.7" 120 Hz
Battery (mAh)5,500600+816.7%
Rear cameras50+8+2 MP50+200+50+50 MP
Front camera (MP)1632
RAM / storage (base)8 GB / 128 GB12 GB / 256 GB
Max configuration16 GB / 256 GB16 GB / 1024 GB
Weight (g)207225-8.0%
Connectivity / unlock5G · Under-display5G · Under-display
Launch price (USD)$499–$599$1,299–$1,549-61.6%
  • Xiaomi 15 Ultra leads on raw performance by about 44% on AnTuTu v10 (Snapdragon 8 Gen 2 vs Snapdragon 8 Elite).
  • OnePlus 12R is the cheaper option at launch pricing.

Verdict: OnePlus 12R or Xiaomi 15 Ultra?

Our recommendation
These two are closely matched — the right pick comes down to which specific strengths you value and the price you actually pay.

OnePlus 12R advantages

  • Battery capacity (+89%)
  • Lightness (+8%)
  • Affordability (+62%)

Xiaomi 15 Ultra advantages

  • Raw performance (+44%)
  • Camera resolution (+75%)
  • Memory (+33%)

Which should you choose?

  • Choose the OnePlus 12R if you need all-day (or two-day) battery life.
  • Choose the Xiaomi 15 Ultra if you game or want the most headroom for years of updates.
  • Choose the OnePlus 12R if you want a lighter phone for one-handed use.

Value for money

OnePlus 12R delivers more performance per dollar, making it the better value of the two at their listed prices.

OnePlus 12R vs Xiaomi 15 Ultra: which should you choose?

OnePlus 12R — OnePlus Android 14 smartphone (2024) with a 6.78-inch 120 Hz LTPO4 AMOLED, Snapdragon 8 Gen 2, 5500 mAh battery and 50MP main camera, scoring about 1,557,516 on AnTuTu v10; launched at $499.

Xiaomi 15 Ultra — Xiaomi Android 15 smartphone (2025) with a 6.73-inch 120 Hz LTPO AMOLED, Snapdragon 8 Elite, 600 mAh battery and 200MP main camera, scoring about 2,758,993 on AnTuTu v10; launched at $1,299.

OnePlus 12R vs Xiaomi 15 Ultra: Xiaomi 15 Ultra is the faster phone. Xiaomi 15 Ultra leads on raw performance by about 44% on AnTuTu v10 (Snapdragon 8 Gen 2 vs Snapdragon 8 Elite). OnePlus 12R is the cheaper option at launch pricing.

Performance and everyday use

The Xiaomi 15 Ultra is the faster device on raw benchmarks (2,758,993 vs 1,557,516 on AnTuTu v10), running the Snapdragon 8 Elite against the Snapdragon 8 Gen 2. For messaging, browsing and social apps both feel instant — the gap matters most for gaming and long-term headroom.

Display and battery

OnePlus 12R carries a 6.8-inch 120 Hz LTPO4 AMOLED against a 6.7-inch 120 Hz LTPO AMOLED on the Xiaomi 15 Ultra. Batteries are 5,500 and 600 mAh — though software tuning and chipset efficiency shape real-world endurance as much as capacity.

Cameras, storage and price

Rear arrays are 50+8+2 MP versus 50+200+50+50 MP, with 16 MP and 32 MP front cameras. Base configurations start at 8 GB / 128 GB and 12 GB / 256 GB. The OnePlus 12R is the more affordable at about $499 launch price, which may matter more than a small spec gap.

The verdict

Both are credible choices in the smartphone comparison space; the specification table above lays out every metric so you can weigh the trade-offs that matter to you. Pick the one whose strengths line up with how you will actually use it.

Frequently asked questions

Is the OnePlus 12R better than the Xiaomi 15 Ultra?

These two are closely matched — the right pick comes down to which specific strengths you value and the price you actually pay. Xiaomi 15 Ultra leads on raw performance by about 44% on AnTuTu v10 (Snapdragon 8 Gen 2 vs Snapdragon 8 Elite).

What is the main difference between the OnePlus 12R and the Xiaomi 15 Ultra?

Xiaomi 15 Ultra leads on raw performance by about 44% on AnTuTu v10 (Snapdragon 8 Gen 2 vs Snapdragon 8 Elite). OnePlus 12R is the cheaper option at launch pricing.

Which is better value?

OnePlus 12R delivers more performance per dollar, making it the better value of the two at their listed prices.

Which should I choose?

Choose the OnePlus 12R if you need all-day (or two-day) battery life. Choose the Xiaomi 15 Ultra if you game or want the most headroom for years of updates.

Methodology

Smartphones are compared on AnTuTu v10 benchmark scores, chipset, display size and refresh rate, battery capacity, rear and front camera resolution, RAM and storage across launch variants, weight, and launch pricing (USD). Each model shows its base variant with the top-spec configuration noted where multiple variants exist. Benchmark scores reflect the listed chipset variant; real-world battery life and camera quality depend on software tuning, not just hardware numbers.

ER
EquivalentTo Research
Data & Benchmarks Team

We compile published benchmark results (Cinebench 2024, Geekbench 6, AnTuTu v10, 3DMark), manufacturer specifications and market pricing from nine regions into normalized, comparable datasets. Every figure traces to a named public source listed on each page.

Benchmark leaderboard compilationMulti-market pricing normalizationUnit & currency conversion
✓ Reviewed by EquivalentTo Editorial Review, Data Quality & Methodology.
Last updated 2026-07-01
OnePlus 12R profile → Xiaomi 15 Ultra profile → Compare something else

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