BeastCompare

Xiaomi 15 vs Xiaomi 15 Ultra: Which One Should You Buy?

Xiaomi 15 Ultra edges ahead with a BeastScore of 87.6/100 — but the right choice depends on what matters to you.

Head-to-head
Comparing 2 devicesSwipe ⇄
Xiaomi · 2024

Xiaomi 15

Xiaomi 15
88/ 100
Launch price$899
Xiaomi · 2025

Xiaomi 15 Ultra

Xiaomi 15 Ultra
88/ 100
Launch price$1,599
Head-to-head

Xiaomi 15 Ultra wins 2 of 8 categories

Here's exactly where each phone is stronger.

Xiaomi 15
Xiaomi 15
1 win
Xiaomi 15 Ultra
Xiaomi 15 Ultra
2 wins
At a glance

Bigger shape = better phone.

SpeedCameraSelfieBatteryDisplayConnectivitySecurityValue
Xiaomi 15Xiaomi 15 Ultra
Category winners

Scores out of 100. How we score

  • SpeedXiaomi 15 Ultra
    90
    95
  • CameraTie
    91
    91
  • VideoNot enough data
  • SelfieTie
    88
    88
  • BatteryTie
    88
    88
  • DisplayTie
    90
    90
  • ConnectivityXiaomi 15 Ultra
    88
    95
  • SecurityTie
    100
    100
  • ValueXiaomi 15
    68
    55
Key differences
  • Xiaomi 15 Ultra has the bigger battery5,410 mAh vs 5,240 mAh
  • Xiaomi 15 Ultra has the bigger screen6.73" vs 6.36"
  • Xiaomi 15 is lighter191 g vs 226 g
  • Xiaomi 15 launched cheaper$899 vs $1,599
  • Xiaomi 15 has newer Bluetooth6 vs 5.4
  • Xiaomi 15 Ultra has more RAM16 GB vs 12 GB
See all specs ↓

Why buy each phone

Swipe ⇄
Reasons to buy Xiaomi 15
  • ✓35 g lighter (191 g vs 226 g), easier to hold
  • ✓$700 cheaper at launch ($899 vs $1,599)
  • ✓50 MP main camera
Reasons to buy Xiaomi 15 Ultra
  • ✓Bigger 5,410 mAh battery (+170 mAh)
  • ✓50 MP main camera
  • ✓6.73" display at 120 Hz

Full specifications

Swipe ⇄
SpecificationXiaomi 15Xiaomi 15 Ultra
1. Display & Screen
Screen typeLTPO AMOLEDLTPO AMOLED
Screen Size6.36"6.73"
Resolution & Density2670x1200 (460 ppi)3200x1440 (522 ppi)
Refresh Rate120 Hz adaptive120 Hz adaptive
Brightness3,200 nits peak3,200 nits peak
Screen ProtectionNot listedNot listed
2. Platform & Performance🏆 Xiaomi 15 Ultra Wins Performance
Chipset / ProcessorSnapdragon 8 Elite (3nm)Snapdragon 8 Elite (3nm)
CPU CoresNot listedNot listed
GPU GraphicsAdreno 830Adreno 830
Operating SystemAndroid 15Android 15
3. Memory & Storage
RAM Memory12 GB LPDDR16 GB LPDDR
Internal Storage256GB / 512GB256GB / 512GB / 1024GB
Storage SpeedNot listedNot listed
Card SlotNoNo
4. Main Camera Optics
Primary Camera50 MP, f/1.62, OIS, Light Fusion 90050 MP, f/1.63, OIS, Sony LYT-900
Telephoto Zoom50 MP (3x optical zoom), f/2, OIS50 MP (5x optical zoom), f/2.5, OIS
Ultrawide Camera50 MP, f/2.250 MP, f/1.8
LiDAR / DepthNoneNone
5. Video
Main Camera Video
Not listed
Not listed
Front Video
Not listed
Not listed
6. Selfie Camera
Selfie Lens32 MP, f/232 MP, f/2
7. Body & Dimensions🏆 Xiaomi 15 Lightest Chassis
Dimensions152.3 x 71.2 x 8.08 mm161.3 x 75.5 x 9.5 mm
Weight191 g226 g
Build MaterialsNot listedNot listed
SIM TypeNot listedNot listed
Water ResistanceIP68IP68
8. Battery & Charging
Battery Capacity5,240 mAh5,410 mAh
Wired Fast Charging90W wired fast charging90W wired fast charging
Wireless Charging50W wireless charging80W wireless charging
Reverse ChargingNot listedNot listed
9. Sound & Audio
LoudspeakerNot listedNot listed
3.5mm Headphone JackNoNo
10. Connectivity
Wi-Fi StandardWi-Fi 7Wi-Fi 7
Bluetooth6.05.4
USB Port & SpeedUSB-C 2.0USB-C 3.2
NFCYes (contactless payment)Yes (contactless payment)
11. Sensors & Security
SensorsNot listedNot listed
Satellite FeaturesNot listedNot listed
12. Colors & Overview
ColorsNot listedNot listed
Launch Price$899$1,599
Our verdict

Xiaomi 15 Ultra wins — BeastScore 87.6/100

The Xiaomi 15 Ultra is the better pick for most people thanks to its bigger battery (5,410 mAh vs 5,240 mAh) and bigger screen (6.73" vs 6.36"). The Xiaomi 15 is worth a look if you prefer its lighter body (191 g vs 226 g).

Buy Xiaomi 15 if you want

Lighter: 191 g vs 226 g (35 g less) · Lower launch price: $899 vs $1,599

Buy Xiaomi 15 Ultra if you want

More RAM: 16 GB vs 12 GB

Common questions

Which is better: Xiaomi 15 or Xiaomi 15 Ultra?

The Xiaomi 15 Ultra is the better pick for most people thanks to its bigger battery (5,410 mAh vs 5,240 mAh) and bigger screen (6.73" vs 6.36"). The Xiaomi 15 is worth a look if you prefer its lighter body (191 g vs 226 g). BeastScore: Xiaomi 15 87.6/100, Xiaomi 15 Ultra 87.6/100.

What are the main battery and display differences between Xiaomi 15 and Xiaomi 15 Ultra?

Xiaomi 15 has a 6.36-inch display and 5240 mAh battery. Xiaomi 15 Ultra has a 6.73-inch display and 5410 mAh battery.

How do Xiaomi 15 and Xiaomi 15 Ultra compare for speed?

Xiaomi 15 scores 90/100 for performance; Xiaomi 15 Ultra scores 95/100.

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