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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 | Acer Liquid Z6 | Xiaomi 15 Ultra |
|---|---|---|
| Display size (in) | 5.00 | 6.73 |
| Main camera (MP) | 8.00 | 50.00 |
| Selfie (MP) | 2.00 | 32.00 |
| Weight (g) | 126 | 226 |
| Thickness (mm) | 8.50 | 9.35 |
| Chipset | Mediatek MT6737 (28 nm) | Snapdragon 8 Elite |
| OS | Android 6.0 (Marshmallow) | Android 15, HyperOS 2 |
Pros & Cons
Acer Liquid Z6
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
Acer
Acer Liquid Z6
Xiaomi
Xiaomi 15 Ultra
Battery 3 specs
Type
Li-Ion 2000 mAh, removable
Market-dependent versions:· Si/C Li-Ion 5410 mAh - Global· Si/C Li-Ion 6000 mAh - China
Capacity
—
5410 mAh
Charging
—
90W wired, 80W wireless
Body 5 specs
Dimensions
145.5 x 72.5 x 8.5 mm (5.73 x 2.85 x 0.33 in)
161.3 x 75.3 x 9.35 mm
Weight
126 g (4.44 oz)
226 g
SIM
Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by)
· Nano-SIM + Nano-SIM· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)
Build
—
Glass front, glass-fiber reinforced plastic back or silicone polymer back (eco leather), aluminum frame
—
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 b/g/n
Wi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band or tri-band, Wi-Fi Direct
Bluetooth
4.0, A2DP
6.0, A2DP, LE, aptX HD, aptX Adaptive, LHDC 5
Positioning
GPS
GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASS
NFC
No
Yes
Radio
FM radio
No
USB
microUSB 2.0
USB Type-C 3.2 Gen 2, DisplayPort, OTG
Infrared port
—
Yes
5G
—
Yes
Display 4 specs
Type
IPS LCD
LTPO AMOLED
Size
5.0 inches, 68.9 cm2 (~65.3% screen-to-body ratio)
6.73 inches
Resolution
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
1440 x 3200 pixels
Protection
—
Xiaomi Shield Glass 2.0, Mohs level 6
Features 2 specs
Sensors
Accelerometer, proximity
Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass, barometer
—
Two-way satellite communication (China model only)
Launch 2 specs
Announced
2016, August. Released 2016, December
2025, February 27
Status
Discontinued
Available. Released 2025, February 27
Main Camera 4 specs
Single
8 MP, AF
—
Features
LED flash, HDR, panorama
Laser AF, color spectrum sensor, Leica lenses, Dual-LED flash, HDR, panorama, 67mm filter ring holder (optional)
Video
Yes
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
microSDXC
No
Internal
8GB 1GB RAM
256GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
eMMC 5.0
UFS 4.1
RAM
—
16GB
Storage
—
512GB
Misc 4 specs
Colors
Black, White
Black, White, Silver Chrome, Green
Price
About 120 EUR
$ 693.75 / £ 1,295.00 / € 812.34
Models
—
25010PN30G
SAR EU
—
1.00 W/kg (head) 1.00 W/kg (body)
Network 9 specs
Technology
GSM / HSPA / LTE
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
LTE
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
Speed
HSPA, LTE
HSPA, LTE, 5G
GPRS
Yes
—
EDGE
Yes
—
—
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, 26, 28, 38, 40, 41, 48, 66, 71, 75, 77, 78, 79 SA/NSA - International
Platform 4 specs
OS
Android 6.0 (Marshmallow)
Android 15, HyperOS 2
Chipset
Mediatek MT6737 (28 nm)
Snapdragon 8 Elite
CPU
Quad-core 1.25 GHz Cortex-A53
Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPU
Mali-T720MP2
Adreno 830
Selfie Camera 3 specs
Single
2 MP
32 MP
Features
—
HDR, panorama
Video
—
4K@30/60fps, 1080p@30/60fps, gyro-EIS
Sound 3 specs
Loudspeaker
Yes
Yes, with stereo speakers
3.5mm jack
Yes
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
Our Tests 2 specs
Loudspeaker
—
-24.1 LUFS (Very good)
Battery
—
Active use score 16:13h
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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.