Display
- Xiaomi 4K Monitor A27Ui
- 27-inch display, 60 Hz
- Xiaomi Monitor A27i
- 27-inch display, 100 Hz
Monitor comparison
Xiaomi 4K A27Ui vs Xiaomi A27i
Compare resolution, refresh rate, brightness and ports.
01Selected  Xiaomi 4K Monitor A27Ui
KSh 53,180In Stock | 02  Xiaomi Monitor A27i
KSh 18,490In Stock |
|---|
2 of 4 products
Add to comparison
2 spaces availableXiaomi Monitor A27i 2026KSh 20,420
Xiaomi Monitor A24i 2026KSh 16,230
Xiaomi Curved Gaming Monitor G34WQi 2026KSh 54,800
Xiaomi 2K Monitor A27Qi 2026KSh 28,050
Our quick verdict
Choose the Xiaomi 4K Monitor A27Ui if you want a brighter display (360 nits), a higher 3840 × 2160 screen resolution and higher 1,200:1 contrast. Choose the Xiaomi Monitor A27i if you want a smoother 100 Hz display, a lighter build (3.6 kg) and a lower price (KSh 34,690 less).
Ports
- Xiaomi 4K Monitor A27Ui
- DP × 1
- Xiaomi Monitor A27i
- DisplayPort 1.4 ×1
Weight
- Xiaomi 4K Monitor A27Ui
- 5.5 kg
- Xiaomi Monitor A27i
- 3.6 kg
Resolution
- Xiaomi 4K Monitor A27Ui
- 3840 × 2160
- Xiaomi Monitor A27i
- 1920 × 1080
Rated power
- Xiaomi 4K Monitor A27Ui
- 120W, 24V 5A input
- Xiaomi Monitor A27i
- 24W, 12V DC, 2A input
Key differences
The main differences to help you choose.
Xiaomi 4K Monitor A27Ui
- Brighter display: up to 360 nits.
- Higher screen resolution: 3840 × 2160.
- Higher contrast: 1,200:1.
Xiaomi Monitor A27i
- Smoother 100 Hz display.
- Lighter: 3.6 kg.
- Lower price: KSh 18,490 (KSh 34,690 less).
What matters most to you?
7 priorities selected.
Xiaomi 4K Monitor A27Ui
- 27-inch display, 60 Hz.
- DP × 1.
- 5.5 kg.
- 3840 × 2160.
- 120W, 24V 5A input.
- 360nits typical.
- 1200:1 typical.
Xiaomi Monitor A27i
- 27-inch display, 100 Hz.
- DisplayPort 1.4 ×1.
- 3.6 kg.
- 1920 × 1080.
- 24W, 12V DC, 2A input.
- 250nits typical.
- 1000:1.
Detailed comparison
Explore the full specifications, section by section.
General
| Specification | Xiaomi 4K Monitor A27Ui | Xiaomi Monitor A27i |
|---|---|---|
| Brand | Xiaomi | Xiaomi |
Display
| Specification | Xiaomi 4K Monitor A27Ui | Xiaomi Monitor A27i |
|---|---|---|
| Brand / Model | Brand: Xiaomi Model: 66380 | Brand: Xiaomi Model: 51054 |
| Screen / Panel | Screen: 27-inch Panel: IPS | Screen: 27-inch Panel: IPS |
| Resolution / Aspect Ratio | Resolution: 3840 × 2160 Aspect Ratio: 16:9 | Resolution: 1920 × 1080 Aspect Ratio: 16:9 |
| Refresh Rate / Response Time | Refresh Rate: 60Hz maximum Response Time: 6ms typical | Refresh Rate: 100Hz maximum Response Time: 6ms GTG typical |
| Brightness / Contrast | Brightness: 360nits typical Contrast: 1200:1 typical | Brightness: 250nits typical Contrast: 1000:1 |
| Colour / HDR | Colour Gamut: 100% sRGB; 95% DCI-P3 Colour Depth: 10-bit using 8-bit + FRC; 1.07 billion colours | Colour Gamut: 99% sRGB Colour Depth: 8-bit through 6-bit + FRC; 16.7 million colours |
Connectivity
| Specification | Xiaomi 4K Monitor A27Ui | Xiaomi Monitor A27i |
|---|---|---|
| Ports | DP × 1; HDMI × 2; USB 2.0 × 2; audio × 1; USB-C × 1; DC × 1 | DisplayPort 1.4 ×1; HDMI 2.0 ×1; DC IN ×1 |
Gaming & Display Features
| Specification | Xiaomi 4K Monitor A27Ui | Xiaomi Monitor A27i |
|---|---|---|
| Display Features | Viewing Angle: 178° | Viewing Angle: 178° horizontal / 178° vertical |
Design & Physical
| Specification | Xiaomi 4K Monitor A27Ui | Xiaomi Monitor A27i |
|---|---|---|
| Stand / VESA | VESA: 75 × 75mm VESA | VESA: VESA 75 × 75mm; bracket purchased separately |
| Dimensions / Weight / Power | Dimensions: 613 × 185 × 511mm including base Weight: 5.5kg including base Rated Power: 120W; 24V 5A input | Dimensions: 612.3 × 170 × 451.7mm; base included Weight: 3.6kg; base included Rated Power: 24W; 12V DC, 2A input |
Product details
| Specification | Xiaomi 4K Monitor A27Ui | Xiaomi Monitor A27i |
|---|---|---|
| Display | 27-inch IPS; 3840 × 2160; 16:9 | — |
| Refresh / response | 60Hz maximum / 6ms typical | — |
| Brightness / contrast | 360nits typical / 1200:1 typical | — |
| Colour | 100% sRGB; 95% DCI-P3; 8-bit + FRC | — |
| Accuracy | Average ΔE < 1 in sRGB mode | — |
| USB-C charging | 90W maximum when screen is off; laptop dependent | — |
| Ports | DP × 1; HDMI × 2; USB 2.0 × 2; audio × 1; USB-C × 1; DC × 1 | — |
| Stand / mount | Height, swivel, portrait and tilt; VESA 75 × 75mm | — |
| Dimensions / weight | 613 × 185 × 511mm including base / 5.5kg | — |
| Power | 120W rated; 24V 5A input | — |
| Package contents | Monitor; adapter; stand/base; screws; HDMI and USB-C cables; manual; calibration card | — |
| Display | — | 27-inch IPS; 1920 × 1080 |
| Refresh rate | — | 100Hz maximum |
| Brightness | — | 250nits typical |
| Contrast ratio | — | 1000:1 |
| Colour gamut / depth | — | 99% sRGB; 8-bit through 6-bit + FRC; 16.7 million colours |
| Ports | — | DisplayPort 1.4 ×1; HDMI 2.0 ×1; DC IN ×1 |
| Power | — | 24W; 12V DC, 2A input |
| Dimensions / weight | — | 612.3 × 170 × 451.7mm; base included; 3.6kg; base included |
| Mounting | — | VESA 75 × 75mm; bracket purchased separately |
| Stand | — | −5° ±2° to +15° ±2° tilt |
| Package contents | — | Monitor, base, bracket, HDMI cable, screwdriver, two screws, power adapter, user manual and warranty card |
| Official hardware model | — | P27FBA-RAGL |
| Operating environment | — | 0°C–40°C; 20%–80% RH |
| Response time | — | 6ms GTG typical |
| Colour accuracy | — | Average ΔE < 2 factory calibration |
| Display comfort | — | Low blue light mode with TÜV certification; requires manual selection |
Similarities
- Same panel: IPS.
- Same aspect ratio: 16:9.
- Both are made by Xiaomi.
In summary
Choose Xiaomi Monitor A27i for a smoother screen at a lower price; Xiaomi 4K Monitor A27Ui offers a brighter, sharper screen.
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