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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 8a | Xiaomi 15 Ultra |
|---|---|---|
| Display size (in) | 6.10 | 6.73 |
| Charging (W) | 18 | 90 |
| Main camera (MP) | 64.00 | 50.00 |
| Selfie (MP) | 13.00 | 32.00 |
| Weight (g) | 188 | 226 |
| Thickness (mm) | 8.90 | 9.35 |
| Chipset | Google Tensor G3 (4 nm) | Snapdragon 8 Elite |
| OS | Android 14, upgradable to Android 16, up to 7 major Android upgrades | Android 15, HyperOS 2 |
Pros & Cons
Google Pixel 8a
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 8a
Xiaomi
Xiaomi 15 Ultra
Battery 3 specs
Type
Li-Po 4492 mAh
Market-dependent versions:· Si/C Li-Ion 5410 mAh - Global· Si/C Li-Ion 6000 mAh - China
Charging
18W wired, PD3.0
7.5W wireless
Bypass charging
90W wired, 80W wireless
Capacity
—
5410 mAh
Body 5 specs
Dimensions
152.1 x 72.7 x 8.9 mm (5.99 x 2.86 x 0.35 in)
161.3 x 75.3 x 9.35 mm
Weight
188 g (6.63 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/tri-band (market/region dependent)
Wi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band or tri-band, Wi-Fi Direct
Bluetooth
5.3, A2DP, LE
6.0, A2DP, LE, aptX HD, aptX Adaptive, LHDC 5
Positioning
GPS, GLONASS, GALILEO, BDS, QZSS, NavIC
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 3.2
USB Type-C 3.2 Gen 2, DisplayPort, OTG
Infrared port
—
Yes
5G
—
Yes
Display 4 specs
Type
OLED, HDR, 120Hz, 2000 nits (peak)
LTPO AMOLED
Size
6.1 inches, 90.3 cm2 (~81.6% screen-to-body ratio)
6.73 inches
Resolution
1080 x 2400 pixels, 20:9 ratio (~430 ppi density)
1440 x 3200 pixels
Protection
Corning Gorilla Glass 3, Mohs level 5
Xiaomi Shield Glass 2.0, Mohs level 6
Eu Label 4 specs
Energy
Class B
Class A
Battery
40:06h endurance, 1000 cycles
58:58h endurance, 1000 cycles
Free fall
Class A (270 falls)
Class C (90 falls)
Repairability
Class B
Class C
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
2024, May 07
2025, February 27
Status
Available. Released 2024, May 14
Available. Released 2025, February 27
Main Camera 4 specs
Dual
64 MP (16 MP eff.), f/1.9, 26mm (wide), 1/1.73", 0.8µm, dual pixel PDAF, OIS
13 MP, f/2.2, 120˚ (ultrawide), 1.12µm
—
Features
Dual-LED flash, Pixel Shift, Ultra HDR, panorama, Best Take
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, 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 8GB RAM, 256GB 8GB RAM
256GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
UFS 3.1
UFS 4.1
RAM
—
16GB
Storage
—
512GB
Misc 4 specs
Colors
Obsidian, Porcelain, Bay, Aloe
Black, White, Silver Chrome, Green
Models
GKV4X, G6GPR, G8HHN, G576D
25010PN30G
Price
$ 209.94 / C$ 448.74 / £ 219.95 / € 252.19 / ₹ 33,999
$ 693.75 / £ 1,295.00 / € 812.34
SAR EU
—
1.00 W/kg (head) 1.00 W/kg (body)
Network 7 specs
Technology
GSM / HSPA / LTE / 5G
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900
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, 17, 18, 19, 20, 26, 28, 32, 38, 40, 41, 42, 66 - G6GPR (International)
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, 20, 28, 48, 66, 71, 77, 78, 260, 261 SA/NSA/Sub6/mmWave - G8HHN (USA)
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, 26, 28, 38, 40, 41, 66, 75, 76, 77, 78 SA/NSA/Sub6 - G6GPR (International)
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
Our Tests 5 specs
Performance
AnTuTu: 1193520 (v10)
GeekBench: 4384 (v6)
3DMark: 2427 (Wild Life Extreme)
—
Display
1508 nits max brightness (measured)
—
Loudspeaker
-26.5 LUFS (Good)
-24.1 LUFS (Very good)
Battery
Active use score 11:25h
Active use score 16:13h
Battery (old)
Endurance rating 83h
—
Platform 4 specs
OS
Android 14, upgradable to Android 16, up to 7 major Android upgrades
Android 15, HyperOS 2
Chipset
Google Tensor G3 (4 nm)
Snapdragon 8 Elite
CPU
Nona-core (1x2.91 GHz Cortex-X3 & 4x2.37 GHz Cortex-A715 & 4x1.70 GHz Cortex-A510)
Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPU
Mali-G715 MP7
Adreno 830
Selfie Camera 3 specs
Single
13 MP, f/2.2, 20mm (ultrawide), 1.12µm
32 MP
Features
HDR, panorama
HDR, panorama
Video
4K@30fps, 1080p@30/60fps
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)
Similar Comparisons
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.