OnePlus Ace 5 Ultra vs Xiaomi 14 Pro: A Deep Dive into Android Flagship Performance
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🏆 Quick Verdict
For the average user prioritizing all-around experience and faster charging, the Xiaomi 14 Pro emerges as the winner. Its Snapdragon 8 Gen 3 offers excellent performance and efficiency, coupled with the significantly faster 120W wired and 50W wireless charging. However, the Ace 5 Ultra’s Dimensity 9400+ provides a compelling alternative for those prioritizing peak CPU performance.
| PHONES | ||
|---|---|---|
| Phone Names | OnePlus Ace 5 Ultra | Xiaomi 14 Pro |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 2100 | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands | 1, 3, 4, 5, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66 | 1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66 |
| 5G bands | 1, 3, 5, 8, 26, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA | 1, 3, 5, 7, 8, 28, 38, 40, 41, 48, 66, 77, 78, 79 SA/NSA |
| Speed | HSPA, LTE, 5G | HSPA, LTE, 5G |
| Technology | GSM / HSPA / LTE / 5G | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G |
| Launch | ||
|---|---|---|
| Announced | 2025, May 27 | 2023, October 26 |
| Status | Available. Released 2025, May 27 | Available. Released 2023, November 01 |
| Body | ||
|---|---|---|
| Build | - | Glass front, aluminum frame or titanium frame, glass back |
| Dimensions | 163.4 x 77 x 8.1 mm (6.43 x 3.03 x 0.32 in) | 161.4 x 75.3 x 8.5 mm |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 206 g (7.27 oz) | 223 g or 230 g (7.87 oz) |
| Display | ||
|---|---|---|
| Protection | Crystal Shield Glass | Shatterproof glass |
| Resolution | 1272 x 2800 pixels (~450 ppi density) | 1440 x 3200 pixels, 20:9 ratio (~522 ppi density) |
| Size | 6.83 inches, 113.3 cm2 (~90.1% screen-to-body ratio) | 6.73 inches, 108.9 cm2 (~89.6% screen-to-body ratio) |
| Type | AMOLED, 1B colors, 144Hz, 3840Hz PWM, HDR10+, Dolby Vision, HDR Vivid, 800 nits (typ), 1400 nits (peak) | LTPO AMOLED, 68B colors, 120Hz, Dolby Vision, HDR10+, 3000 nits (peak) |
| Platform | ||
|---|---|---|
| CPU | Octa-core (1x3.73 GHz Cortex-X925 & 3x3.3 GHz Cortex-X4 & 4x2.4 GHz Cortex-A720) | Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520) |
| Chipset | Mediatek Dimensity 9400+ (3 nm) | Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm) |
| GPU | Immortalis-G925 MC12 | Adreno 750 |
| OS | Android 15, ColorOS 15 | Android 14, HyperOS |
| Memory | ||
|---|---|---|
| Card slot | No | No |
| Internal | 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM | 256GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM |
| Main Camera | ||
|---|---|---|
| Dual | 50 MP, f/1.8, 24mm (wide), 1/1.56", 1.0µm, PDAF, OIS 8 MP, f/2.2, 16mm, 112˚ (ultrawide), 1/4.0", 1.12µm | - |
| Features | LED flash, HDR, panorama | Laser AF, color spectrum sensor, Leica lens, Dual-LED dual-tone flash, HDR, panorama |
| Triple | - | 50 MP, f/1.4-f/4.0, 23mm (wide), 1/1.31", 1.2µm, dual pixel PDAF, OIS 50 MP, f/2.0, 75mm (telephoto), PDAF (10cm - ∞), OIS, 3.2x optical zoom 50 MP, f/2.2, 14mm, 115˚ (ultrawide), AF |
| Video | 4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, OIS | 8K@24fps (HDR), 4K@24/30/60fps (HDR10+, 10-bit Dolby Vision HDR, 10-bit LOG), 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS |
| Selfie camera | ||
|---|---|---|
| Features | HDR, panorama | HDR, panorama |
| Single | 16 MP, f/2.4, 23mm (wide), 1/3", 1.0µm | 32 MP, f/2.0, 22mm (wide), 0.7µm |
| Video | 1080p@30fps, gyro-EIS | 4K@30/60fps, 1080p@30/60fps, gyro-EIS |
| Sound | ||
|---|---|---|
| 35mm jack | No | No |
| Loudspeaker | Yes, with stereo speakers | Yes, with stereo speakers |
| Comms | ||
|---|---|---|
| Bluetooth | 5.4, A2DP, LE, aptX HD, LHDC 5, BLE Audio | 5.4, A2DP, LE, aptX HD, aptX Adaptive |
| Infrared port | Yes | Yes |
| NFC | Yes | Yes |
| Positioning | GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), NavIC (L5) | GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) |
| Radio | No | No |
| USB | USB Type-C 2.0 | USB Type-C 3.2 Gen 2, OTG |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band | Wi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band, Wi-Fi Direct |
| Features | ||
|---|---|---|
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | Fingerprint (under display, optical), accelerometer, proximity, gyro, compass, barometer |
| Battery | ||
|---|---|---|
| Charging | 100W wired, PD, 100% in 39 min 7.5W reverse wired Bypass charging | 120W wired, PD3.0, QC4, 100% in 18 min 50W wireless, 100% in 40 min 10W reverse wireless |
| Type | Si/C Li-Ion 6700 mAh | Li-Po 4880 mAh |
| Misc | ||
|---|---|---|
| Colors | Blue, Black, Titanium | Black, Silver, Titanium, Green |
| Models | PLC110 | 23116PN5BC |
| Price | About 310 EUR | About 650 EUR |
OnePlus Ace 5 Ultra
- Potentially higher peak CPU performance with Dimensity 9400+
- Bypass charging for gaming while plugged in
- Likely more affordable price point
- Slower charging speeds (100W wired, no wireless)
- Potentially less efficient chipset (3nm vs 4nm)
- Less refined software experience (typically)
Xiaomi 14 Pro
- Faster 120W wired and 50W wireless charging
- More efficient Snapdragon 8 Gen 3 chipset
- Superior GPU performance for gaming
- Potentially higher price
- May prioritize image processing over natural color accuracy
- Less emphasis on raw CPU power
Display Comparison
While both devices are expected to feature high-quality AMOLED displays, specific details like peak brightness and refresh rates are missing. However, the focus should be on panel technology. Both are likely to employ LTPO technology for adaptive refresh rates, maximizing battery life. The Xiaomi 14 Pro, given Xiaomi’s history, may prioritize color accuracy and calibration, while OnePlus often leans towards more vibrant, saturated colors. Bezels are expected to be minimal on both, contributing to an immersive viewing experience.
Camera Comparison
Detailed camera specs are unavailable, but we can infer based on brand tendencies. Xiaomi typically prioritizes large sensors and advanced computational photography. The 14 Pro is likely to feature a larger main sensor than the Ace 5 Ultra, potentially with a wider aperture for improved low-light performance. The Xiaomi’s image processing will likely emphasize detail and dynamic range. OnePlus tends to focus on natural-looking images with accurate color reproduction. OIS (Optical Image Stabilization) is expected on both main cameras. The absence of details on ultrawide and telephoto lenses makes a definitive comparison impossible, but Xiaomi often includes more versatile lens options.
Performance
The core battleground is the chipset. The OnePlus Ace 5 Ultra’s Mediatek Dimensity 9400+ (3nm) boasts a Cortex-X925 prime core clocked at 3.73 GHz, suggesting a focus on single-core performance. The Xiaomi 14 Pro’s Snapdragon 8 Gen 3 (4nm) utilizes a Cortex-X4 prime core at 3.3 GHz. While the Dimensity has a higher clock speed, the Snapdragon benefits from a more efficient 4nm process, potentially leading to better sustained performance and thermal management. The Dimensity 9400+’s architecture also includes more X4 cores (3 vs 3), potentially boosting multi-core performance. Both utilize LPDDR5x RAM, but the speed and configuration will be crucial. The Snapdragon’s Adreno GPU is generally considered superior for gaming, offering better optimization and features.
Battery Life
The Xiaomi 14 Pro’s 120W wired charging is a significant advantage, achieving a 100% charge in just 18 minutes. The OnePlus Ace 5 Ultra’s 100W charging takes 39 minutes. The addition of 50W wireless charging on the Xiaomi 14 Pro further expands its charging versatility, while the Ace 5 Ultra lacks wireless charging. While battery capacity isn’t specified, the faster charging speeds of the Xiaomi 14 Pro effectively mitigate any potential capacity disadvantage. The Ace 5 Ultra does offer bypass charging, allowing the phone to be used while charging, which can be useful for gaming.
Buying Guide
Buy the OnePlus Ace 5 Ultra if you need uncompromising CPU performance for demanding tasks like video editing or emulation, and value a potentially lower price point. Buy the Xiaomi 14 Pro if you prefer a more refined, balanced experience with faster charging speeds (both wired and wireless), a more versatile camera system, and a broader ecosystem of features.