47 people are comparing Xiaomi 15 Ultra · Samsung Galaxy A55 right now
Updated April 2026 PIXLRUN · COMPARE LAB v3

Compare
anything.

A laboratory-grade side-by-side that scores phones, laptops and headphones on the things buyers actually feel — not the spec-sheet poetry manufacturers print on the box.

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Devices benchmarked
38
Lab metrics per unit
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Reader trust score
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The duel.
Two phones, one verdict.

Lab-tested over 14 days each. Identical conditions, identical workloads, scored on a calibrated 100-point rubric.

Apple · 2024 Best for ecosystem
15 PRO

Xiaomi 15 Ultra

A17 Pro · 6.1″ Super Retina XDR · Titanium

0/100
From
$999
Samsung · 2024 PixlRun pick
S24 ULTRA

Samsung Galaxy A55

Snapdragon 8 Gen 3 · 6.8″ Dynamic AMOLED 2X · Titanium

0/100
From
$1,299

Where each one wins.

Six pillars, scored independently in our Victoria, BC lab. Bars animate to live values when in view.

Camera

S24 +0.6
Xiaomi8.6
Samsung9.2

Performance

iPhone +0.3
Xiaomi9.5
Samsung9.2

Battery

S24 +1.4
Xiaomi7.8
Samsung9.2

Display

S24 +0.4
Xiaomi9.3
Samsung9.7

Build & feel

iPhone +0.5
Xiaomi9.4
Samsung8.9

Value

iPhone +0.4
Xiaomi8.6
Samsung8.2

Six dimensions, overlaid.

Radar of normalized scores across our full rubric.

CAMERA PERF BATTERY DISPLAY BUILD VALUE
Xiaomi 15 Ultra Samsung Galaxy A55
Lab benchmark
+12%
Samsung Galaxy A55 vs Xiaomi 15 Ultra — sustained workload comparison.
Battery (video, real-world)
19h
Samsung Galaxy A55 vs Xiaomi 15 Ultra — battery rundown.
Charge to 50%
22min
Samsung Galaxy A55 fast-charge vs Xiaomi 15 Ultra.
Weight delta
−45g
Xiaomi 15 Ultra vs Samsung Galaxy A55 — weight delta.

The full spec sheet.

Grouped by what matters to use, not by alphabet. Winners highlighted with an acid dot.

Display
Size6.73 inches
Size—
Resolution1440 x 3200 px (522 ppi)
Resolution—
TechnologyLTPO AMOLED · 12-bit colour
Technology—
Refresh rate1-120Hz adaptive
Refresh rate—
Display—
Display6.6" Super AMOLED, 2340x1080, 120Hz
Brightness—
Brightness1,000 nits typical
Performance
ChipsetSnapdragon 8 Elite (SM8750)
Chipset—
CPU2x4.32GHz + 6x3.53GHz
CPU—
RAM12GB / 16GB LPDDR5X
RAM8GB LPDDR4X
Storage256GB / 512GB / 1TB UFS 4.0
Storage128GB / 256GB + microSD up to 1TB
Processor—
ProcessorSamsung Exynos 1480
Camera
Main sensor200MP · f/1.6 · OIS
Main sensor—
Ultra-wide50MP · 122° FOV
Ultra-wide—
Telephoto50MP · 4.3x optical
Telephoto—
Front camera32MP · f/2.0 · 4K video
Front camera—
Video8K@24fps · 4K@120fps
Video—
Main Camera—
Main Camera50MP f/1.8 OIS
Ultrawide—
Ultrawide12MP f/2.2 123°
Macro—
Macro5MP f/2.4
Battery & Charging
Capacity6000 mAh
Capacity—
Wired charging90W HyperCharge
Wired charging—
Wireless80W wireless
Wireless—
Battery—
Battery5,000mAh, 25W wired charging
Body & Build
Dimensions161.4 x 75.3 x 9.5mm
Dimensions—
Weight229g
Weight213g
IP ratingIP68
IP rating—
Durability—
DurabilityIP67, Gorilla Glass Victus+, aluminum frame
Connectivity
Connectivity—
Connectivity5G, Wi-Fi 6, Bluetooth 5.3, NFC
General
OS—
OSAndroid 14, One UI 6.1

Pros & cons,
at a glance.

A bento grid of what each one nails — and where it falls short.

Xiaomi 15 Ultra

What you'll love

The most polished daily-driver experience Apple has ever shipped.

  • Best-in-class CPU single-core performance
  • Lightest titanium frame in its class (187 g)
  • 5+ years of major iOS updates committed
  • Tight integration with Mac, Watch, AirPods

Watch out for

  • Slow 20 W charging
  • 3× telephoto only
  • No always-on tone-mapping
Samsung Galaxy A55

What you'll love

A spec monster with the most versatile camera system on a phone.

  • 5× optical zoom + 200 MP main sensor
  • Brightest panel on any phone (2,600 nits)
  • S Pen built-in for notes & sketching
  • All-day battery (5,000 mAh, 19h video)

Watch out for

  • Heavy at 232 g
  • Steeper $1,299 entry price
  • One UI bloat out of the box

The verdict.

After 14 days each, in real-world use — here's how we'd actually spend the money.

PixlRun verdict · April 2026

If you do anything serious with the camera, get the S24 Ultra.

Xiaomi 15 Ultra takes the overall win. Xiaomi 15 Ultra: The Best Android Camera Phone. Samsung Galaxy A55: Premium features at a midrange price.

See S24 Ultra review Read the full review
PixlRun Lab Score
Composite · 14-day test cycle
Xiaomi 15 Ultra92.4
Samsung Galaxy A5594.1
Margin+1.7
ConfidenceHigh

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