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Compare features, prices and ratings to find the perfect phone for you.
Our Verdict
Analysis
Acer Iconia Tab A3-A20 has the bigger display.
Overall Winner
Acer Iconia Tab A3-A20
Display Winner
Acer Iconia Tab A3-A20
Performance Winner
Tie
Camera Winner
Tie
Battery Winner
Tie
Value Winner
Tie
Specifications Comparison
| Feature | Acer Iconia Tab A3-A20 | Xiaomi 15 Ultra |
|---|---|---|
| Display size (in) | 10.10 | 6.73 |
| Main camera (MP) | 5.00 | 50.00 |
| Selfie (MP) | 2.00 | 32.00 |
| Weight (g) | 508 | 226 |
| Thickness (mm) | 10.20 | 9.35 |
| Chipset | Mediatek MT8127 (28 nm) | Snapdragon 8 Elite |
| OS | Android 4.4 (KitKat) | Android 15, HyperOS 2 |
Pros & Cons
Acer Iconia Tab A3-A20
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 Iconia Tab A3-A20
Xiaomi
Xiaomi 15 Ultra
Battery 4 specs
Type
Li-Po 5910 mAh, non-removable (A3-A20-K1AY)
Market-dependent versions:· Si/C Li-Ion 5410 mAh - Global· Si/C Li-Ion 6000 mAh - China
Talk time
Up to 9 h (multimedia)
—
Capacity
—
5410 mAh
Charging
—
90W wired, 80W wireless
Body 5 specs
Dimensions
256.5 x 170.2 x 10.2 mm (10.10 x 6.70 x 0.40 in)
161.3 x 75.3 x 9.35 mm
Weight
508 g (1.12 lb)
226 g
SIM
No
· 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, hotspot
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
A-GPS only
GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASS
NFC
No
Yes
Radio
No
No
USB
microUSB 2.0
USB Type-C 3.2 Gen 2, DisplayPort, OTG
Infrared port
—
Yes
5G
—
Yes
Display 4 specs
Type
LED-backlit IPS LCD
LTPO AMOLED
Size
10.1 inches, 295.8 cm2 (~67.8% screen-to-body ratio)
6.73 inches
Resolution
1280 x 800 pixels, 16:10 ratio (~149 ppi density)
1440 x 3200 pixels
Protection
Corning Gorilla Glass 4, oleophobic coating
Xiaomi Shield Glass 2.0, Mohs level 6
Features 2 specs
Sensors
Accelerometer
Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass, barometer
—
Two-way satellite communication (China model only)
Launch 2 specs
Announced
2014, October. Released 2014, October
2025, February 27
Status
Discontinued
Available. Released 2025, February 27
Main Camera 4 specs
Single
5 MP, AF
—
Video
720p
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)
Features
—
Laser AF, color spectrum sensor, Leica lenses, Dual-LED flash, HDR, panorama, 67mm filter ring holder (optional)
Quad
—
50 MP + 50 MP + 200 MP + 50 MP
Memory 5 specs
Card slot
microSDXC (dedicated slot)
No
Internal
16GB 1GB RAM
256GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
—
UFS 4.1
RAM
—
16GB
Storage
—
512GB
Misc 4 specs
Colors
Black, White
Black, White, Silver Chrome, Green
Price
About 190 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
No cellular connectivity
GSM / HSPA / LTE / 5G
2G bands
N/A
GSM 850 / 900 / 1800 / 1900
GPRS
No
—
EDGE
No
—
3G bands
—
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
—
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, 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
Speed
—
HSPA, LTE, 5G
Platform 4 specs
OS
Android 4.4 (KitKat)
Android 15, HyperOS 2
Chipset
Mediatek MT8127 (28 nm)
Snapdragon 8 Elite
CPU
Quad-core 1.3 GHz Cortex-A7
Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPU
Mali-450MP4
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, with stereo speakers
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
Similar Comparisons
Common Questions
Which phone is the best in this comparison?
Acer Iconia Tab A3-A20 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.