Asus ROG Phone 8 vs Xiaomi 14 Ultra
A spec-by-spec comparison of the Asus ROG Phone 8 and the Xiaomi 14 Ultra, taken from their full specification sheets. Green marks the better value in each measured row.
VS
Head to head
| Asus ROG Phone 8 | Xiaomi 14 Ultra | |
|---|---|---|
| Our rating | 9/10 | 9/10 |
| Battery | 5,500 mAh | 5,300 mAh |
| Wired charging | 65W | — |
| RAM (max) | 16 GB | — |
| Storage (max) | 512 GB | 512 GB |
| Screen size | 6.78 in | 6.73 in |
| Refresh rate | 165 Hz | 120 Hz |
| Main camera | 50 MP | 50 MP |
| Weight (lower is lighter) | 225 g | — |
| Released | Jan 2024 | Feb 2024 |
Summary: Asus ROG Phone 8 is ahead on battery, screen size, refresh rate.
★ Which should you buy? Asus ROG Phone 8 is the stronger overall pick on the measured specs.
Display
| Asus ROG Phone 8 | Xiaomi 14 Ultra | |
|---|---|---|
| Type | LTPO AMOLED, 1B colors, 165Hz, HDR10, 1600 nits (HBM), 2500 nits (peak) | LTPO AMOLED, 68B colors, 120Hz, Dolby Vision, HDR10+, 3000 nits (peak) |
| Size | 6.78 inches | 6.73 inches |
| Resolution | 1080 x 2400 pixels (~388 ppi density) | 1440 x 3200 pixels (WQHD+) |
| Protection | Corning Gorilla Glass Victus 2 | Xiaomi Shield Glass |
Platform
| Asus ROG Phone 8 | Xiaomi 14 Ultra | |
|---|---|---|
| OS | Android 14, ROG UI | Android 14, Xiaomi HyperOS |
| Chipset | Qualcomm Snapdragon 8 Gen 3 (4 nm) | Qualcomm Snapdragon 8 Gen 3 (4 nm) |
| CPU | Octa-core (1x3.3 GHz Cortex-X4 & 5x3.2 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520) | Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520) |
| GPU | Adreno 750 | Adreno 750 |
Memory
| Asus ROG Phone 8 | Xiaomi 14 Ultra | |
|---|---|---|
| Card slot | No | — |
| Internal | 256GB 12GB RAM, 512GB 16GB RAM | — |
| RAM | — | 12GB, 16GB LPDDR5X |
| Storage | — | 256GB, 512GB, 1TB UFS 4.0 |
| Card Slot | — | No |
Main Camera
| Asus ROG Phone 8 | Xiaomi 14 Ultra | |
|---|---|---|
| Triple | 50 MP, f/1.9, (wide), 1/1.56", 1.0µm, PDAF, gimbal OIS; 32 MP, f/2.4, (telephoto), 1/3.2", 0.7µm, PDAF, OIS, 3x optical zoom; 13 MP, f/2.2, 13mm, 120˚ (ultrawide) | — |
| Features | LED flash, HDR, panorama | Leica lenses, Dual-LED flash, HDR, panorama, 8K@24/30fps, 4K@24/30/60/120fps, 1080p@30/60/120/240/480/960/1920fps, gyro-EIS, OIS, Dolby Vision HDR |
| Video | 8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, 720p@480fps; gyro-EIS, HDR10+ | 8K@24/30fps, 4K@24/30/60/120fps, 1080p@30/60/120/240/480/960/1920fps, gyro-EIS, OIS, Dolby Vision HDR |
| Quad | — | 50 MP, f/1.6-f/4.0, 23mm (wide), 1.0-inch type, multi-directional PDAF, Laser AF, OIS (Sony LYT-900); 50 MP, f/1.8, 75mm (telephoto), PDAF, OIS, 3.2x optical zoom (IMX858); 50 MP, f/2.5, 120mm (periscope telephoto), PDAF, OIS, 5x optical zoom (IMX858); 50 MP, f/1.8, 12mm, 122˚ (ultrawide), PDAF (IMX858) |
Selfie Camera
| Asus ROG Phone 8 | Xiaomi 14 Ultra | |
|---|---|---|
| Single | 32 MP, f/2.5, 22mm (wide), 1/3.2", 0.7µm | 32 MP, f/2.0, 22mm (wide) |
| Features | Panorama, HDR | HDR, panorama |
| Video | 1080p@30fps | 4K@30/60fps, 1080p@30/60fps, gyro-EIS |
Battery
| Asus ROG Phone 8 | Xiaomi 14 Ultra | |
|---|---|---|
| Type | Li-Po 5500 mAh, non-removable | Li-Po 5300 mAh, non-removable |
| Charging | 65W wired (PD3.0, QC5), 15W wireless (Qi), 10W reverse wired | — |
| Wired Charging | — | 90W HyperCharge (100% in 33 min) |
| Wireless Charging | — | 80W wireless HyperCharge (100% in 46 min) |
| Reverse Wireless Charging | — | 10W |
Body
| Asus ROG Phone 8 | Xiaomi 14 Ultra | |
|---|---|---|
| Dimensions | 163.8 x 76.8 x 8.9 mm | 161.4 x 75.3 x 9.2 mm |
| Weight | 225 g | 219.8g (vegan leather), 224.4g (ceramic), 229.5g (titanium) |
| Build | Glass front (Gorilla Glass Victus 2), glass back, aluminum frame | Glass front (Xiaomi Shield Glass), aluminum frame (6M42 high-strength), nano-tech vegan leather or ceramic back |
| SIM | Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| IP Rating | IP68 dust/water resistant (up to 1.5m for 30 min) | — |
| Durability | — | IP68 dust/water resistant (up to 1.5m for 30 min) |
Comms
| Asus ROG Phone 8 | Xiaomi 14 Ultra | |
|---|---|---|
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct |
| Bluetooth | 5.3, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless | 5.4, A2DP, LE, aptX HD, aptX Adaptive |
| Positioning | GNSS support GPS(L1/L5), Glonass(L1), Galileo(E1/E5a), BeiDou(B1i/B1c/B2a), QZSS(L1/L5) and NavIC | GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) |
| NFC | Yes | Yes |
| USB | USB Type-C (likely 3.1/3.2, DisplayPort, OTG) | USB Type-C 3.2 Gen 2, DisplayPort, OTG |
| Infrared Port | — | Yes |
Launch
| Asus ROG Phone 8 | Xiaomi 14 Ultra | |
|---|---|---|
| Announced | January 8, 2024 | February 2024 |
| Status | Released January 18, 2024 | Available. Released 2024, February 22 (China), February 25 (Global) |
Frequently asked questions
Which has the better battery, Asus ROG Phone 8 or Xiaomi 14 Ultra?
Asus ROG Phone 8 — 5,500 mAh for the Asus ROG Phone 8 versus 5,300 mAh for the Xiaomi 14 Ultra.
Which has the smoother screen, Asus ROG Phone 8 or Xiaomi 14 Ultra?
Asus ROG Phone 8 — 165 Hz for the Asus ROG Phone 8 versus 120 Hz for the Xiaomi 14 Ultra.
Which is newer, Asus ROG Phone 8 or Xiaomi 14 Ultra?
Xiaomi 14 Ultra — Jan 2024 for the Asus ROG Phone 8 versus Feb 2024 for the Xiaomi 14 Ultra.
Is the Asus ROG Phone 8 or the Xiaomi 14 Ultra rated higher?
We rate the Asus ROG Phone 8 9/10 and the Xiaomi 14 Ultra 9/10.