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Compare features, prices and ratings to find the perfect phone for you.
Our Verdict
Analysis
Xiaomi 15 Ultra has the bigger display.
Overall Winner
Xiaomi 15 Ultra
Display Winner
Xiaomi 15 Ultra
Performance Winner
Tie
Camera Winner
Tie
Battery Winner
Tie
Value Winner
Tie
Specifications Comparison
| Feature | Google Pixel 6a | Xiaomi 15 Ultra |
|---|---|---|
| Display size (in) | 6.10 | 6.73 |
| Charging (W) | 18 | 90 |
| Main camera (MP) | 12.20 | 50.00 |
| Selfie (MP) | 8.00 | 32.00 |
| Weight (g) | 178 | 226 |
| Thickness (mm) | 8.90 | 9.35 |
| Chipset | Google Tensor (5 nm) | Snapdragon 8 Elite |
| OS | Android 12, upgradable to Android 16, up to 5 major Android upgrades | Android 15, HyperOS 2 |
Pros & Cons
Google Pixel 6a
Xiaomi 15 Ultra
- Outstanding camera versatility
- Fast wired and wireless charging
- Bright display
- Heavy
- Software still polishing animations
- Limited availability in some regions
Every Spec, Side by Side
Specification
Google
Google Pixel 6a
Xiaomi
Xiaomi 15 Ultra
Battery 3 specs
Type
Li-Po 4410 mAh
Market-dependent versions:· Si/C Li-Ion 5410 mAh - Global· Si/C Li-Ion 6000 mAh - China
Charging
18W wired, PD3.0
90W wired, 80W wireless
Capacity
—
5410 mAh
Body 5 specs
Dimensions
152.2 x 71.8 x 8.9 mm (5.99 x 2.83 x 0.35 in)
161.3 x 75.3 x 9.35 mm
Weight
178 g (6.28 oz)
226 g
Build
Glass front (Gorilla Glass 3), aluminum frame, plastic back
Glass front, glass-fiber reinforced plastic back or silicone polymer back (eco leather), aluminum frame
SIM
Nano-SIM + eSIM
· Nano-SIM + Nano-SIM· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)
IP67 dust/water resistant (up to 1m for 30 min)
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Aerospace-grade glass fiber
Connectivity 8 specs
WLAN
Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band or tri-band, Wi-Fi Direct
Bluetooth
5.2, A2DP, LE
6.0, A2DP, LE, aptX HD, aptX Adaptive, LHDC 5
Positioning
GPS, GLONASS, GALILEO, QZSS
GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASS
NFC
Yes
Yes
Radio
No
No
USB
USB Type-C 3.1
USB Type-C 3.2 Gen 2, DisplayPort, OTG
Infrared port
—
Yes
5G
—
Yes
Display 4 specs
Type
OLED, HDR
LTPO AMOLED
Size
6.1 inches, 90.7 cm2 (~83.0% screen-to-body ratio)
6.73 inches
Resolution
1080 x 2400 pixels, 20:9 ratio (~429 ppi density)
1440 x 3200 pixels
Protection
Corning Gorilla Glass 3
Xiaomi Shield Glass 2.0, Mohs level 6
Features 2 specs
Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass, barometer
Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass, barometer
—
Two-way satellite communication (China model only)
Launch 2 specs
Announced
2022, May 11
2025, February 27
Status
Available. Released 2022, July 21
Available. Released 2025, February 27
Main Camera 4 specs
Dual
12.2 MP, f/1.7, 27mm, (wide), 1/2.55", 1.4µm, dual pixel PDAF, OIS
12 MP, f/2.2, 17mm, 114˚ (ultrawide), 1.25µm
—
Features
Dual-LED flash, Pixel Shift, Auto-HDR, panorama
Laser AF, color spectrum sensor, Leica lenses, Dual-LED flash, HDR, panorama, 67mm filter ring holder (optional)
Video
4K@30/60fps, 1080p@30/60/120/240fps; gyro-EIS, OIS
8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240/480/960/1920fps, gyro-EIS, Dolby Vision HDR 10-bit rec. (4K@60fps, 1080p)
Quad
—
50 MP + 50 MP + 200 MP + 50 MP
Memory 5 specs
Card slot
No
No
Internal
128GB 6GB RAM
256GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
UFS 3.1
UFS 4.1
RAM
—
16GB
Storage
—
512GB
Misc 4 specs
Colors
Chalk, Charcoal, Sage
Black, White, Silver Chrome, Green
Models
GX7AS, GB62Z, G1AZG, GB17L
25010PN30G
Price
About 160 EUR
$ 693.75 / £ 1,295.00 / € 812.34
SAR EU
—
1.00 W/kg (head) 1.00 W/kg (body)
Network 7 specs
3G bands
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 42, 48, 66, 71 - GX7AS, GB62Z (USA/Canada)
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 48, 66, 71 - International
1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 30, 40, 48, 66, 71, 77, 78 SA/NSA/Sub6 - G1AZG (International)
1, 2, 3, 5, 7, 8, 12, 20, 26, 28, 38, 40, 41, 48, 66, 77, 78, 79, 80, 81, 83, 84, 89 SA/NSA - China
5G bands
1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 30, 38, 40, 41, 48, 66, 71, 77, 78 SA/NSA/Sub6 - GX7AS (USA/Canada)
1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 48, 66, 71, 75, 77, 78, 79 SA/NSA - International
Speed
HSPA, LTE, 5G
HSPA, LTE, 5G
Technology
GSM / HSPA / LTE / 5G
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900
Our Tests 4 specs
Display
876 nits max brightness (measured)
—
Battery (old)
Endurance rating 94h
—
Loudspeaker
—
-24.1 LUFS (Very good)
Battery
—
Active use score 16:13h
Platform 4 specs
OS
Android 12, upgradable to Android 16, up to 5 major Android upgrades
Android 15, HyperOS 2
Chipset
Google Tensor (5 nm)
Snapdragon 8 Elite
CPU
Octa-core (2x2.80 GHz Cortex-X1 & 2x2.25 GHz Cortex-A76 & 4x1.80 GHz Cortex-A55)
Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPU
Mali-G78 MP20
Adreno 830
Selfie Camera 3 specs
Single
8 MP, f/2.0, 24mm (wide), 1.12µm
32 MP
Features
HDR, panorama
HDR, panorama
Video
1080p@30fps
4K@30/60fps, 1080p@30/60fps, gyro-EIS
Sound 3 specs
Loudspeaker
Yes, with stereo speakers
Yes, with stereo speakers
3.5mm jack
No
No
—
24-bit/192kHz Hi-Res & Hi-Res Wireless audio
Qualcomm XPAN (24-bit/96kHz audio)
Eu Label 4 specs
Energy
—
Class A
Battery
—
58:58h endurance, 1000 cycles
Free fall
—
Class C (90 falls)
Repairability
—
Class C
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Common Questions
Which phone is the best in this comparison?
Xiaomi 15 Ultra has the bigger display.
How are the comparison winners decided?
We compare measurable specs (display size, battery capacity, RAM, charging, weight) and price (USD). When two phones tie or data is missing we mark the category "Depends".
Which is more affordable?
The cheaper option is shown as the value winner above. Prices are USD and may vary by region or retailer.