The OnePlus Ace 5 Ultra and Realme GT5 Pro represent the cutting edge of Android flagship performance, but approach it from different angles. The Ace 5 Ultra champions MediaTek’s latest Dimensity 9400+ chipset, while the GT5 Pro leverages the Qualcomm Snapdragon 8 Gen 3. This comparison dissects their strengths and weaknesses to determine which device best suits your needs.
🏆 Quick Verdict
For the average user prioritizing raw processing power and a slightly brighter display, the Realme GT5 Pro emerges as the winner. Its Snapdragon 8 Gen 3 offers a mature platform with excellent optimization. However, the OnePlus Ace 5 Ultra’s Dimensity 9400+ presents a compelling alternative for those seeking the latest in mobile silicon.
| Network |
|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 2100 | HSDPA 850 / 900 / 2100 |
| 4G bands | 1, 3, 4, 5, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66 | 1, 3, 5, 7, 8, 28, 34, 38, 39, 40, 41 |
| 5G bands | 1, 3, 5, 8, 26, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA | 1, 3, 5, 8, 28, 41, 77, 78 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, December 07 |
| Status | Available. Released 2025, May 27 | Available. Released 2023, December 14 |
| Body |
|---|
| Build | - | Glass front, glass back or silicone polymer back (eco leather), aluminum frame |
| Dimensions | 163.4 x 77 x 8.1 mm (6.43 x 3.03 x 0.32 in) | 161.7 x 75.1 x 9.2 mm (6.37 x 2.96 x 0.36 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 206 g (7.27 oz) | 218 g / 224 g (7.69 oz) |
| Display |
|---|
| Protection | Crystal Shield Glass | - |
| Resolution | 1272 x 2800 pixels (~450 ppi density) | 1264 x 2780 pixels (~450 ppi density) |
| Size | 6.83 inches, 113.3 cm2 (~90.1% screen-to-body ratio) | 6.78 inches, 111.7 cm2 (~92.0% screen-to-body ratio) |
| Type | AMOLED, 1B colors, 144Hz, 3840Hz PWM, HDR10+, Dolby Vision, HDR Vivid, 800 nits (typ), 1400 nits (peak) | LTPO AMOLED, 1B colors, 144Hz, HDR10+, Dolby Vision, 4500 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, upgradable to Android 15, Realme UI 6.0 |
| Memory |
|---|
| Card slot | No | No |
| Internal | 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM | 256GB 12GB RAM, 256GB 16GB 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 | Color spectrum sensor, Dual-LED dual-tone flash, HDR, panorama |
| Triple | - | 50 MP, f/1.7, 23mm (wide), 1/1.43", 1.12µm, dual pixel PDAF, OIS
50 MP, f/2.6, 65mm (periscope telephoto), 1/1.56", 1.0µm, multi-directional PDAF, OIS, 2.7x optical zoom
8 MP, f/2.2, 16mm, 112˚ (ultrawide), 1/4.0", 1.12µm |
| Video | 4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, OIS | 8K@24fps, 4K@30/60fps, 1080p@30/60fps, gyro-EIS, Dolby Vision |
| Selfie camera |
|---|
| Features | HDR, panorama | HDR, panorama |
| Single | 16 MP, f/2.4, 23mm (wide), 1/3", 1.0µm | 32 MP, f/2.5, 22mm (wide), 1/2.74" |
| Video | 1080p@30fps, gyro-EIS | 4K@30fps, 1080p@30fps, gyro-EIS |
| Sound |
|---|
| 35mm jack | No | No |
| Loudspeaker | Yes, with stereo speakers | Yes, with stereo speakers (Dolby Atmos certified) |
| Comms |
|---|
| Bluetooth | 5.4, A2DP, LE, aptX HD, LHDC 5, BLE Audio | 5.4, A2DP, LE, aptX HD |
| Infrared port | Yes | Yes |
| NFC | Yes | Yes, 360˚ |
| Positioning | GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), NavIC (L5) | GPS (L1+L5), GLONASS, BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC |
| Radio | No | No |
| USB | USB Type-C 2.0 | USB Type-C 3.2 |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band | Wi-Fi 802.11 a/b/g/n/ac/6/7, tri-band, Wi-Fi Direct |
| Features |
|---|
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass |
| Battery |
|---|
| Charging | 100W wired, PD, 100% in 39 min
7.5W reverse wired
Bypass charging | 100W wired, 50% in 12 min
50W wireless |
| Type | Si/C Li-Ion 6700 mAh | Li-Ion 5400 mAh |
| Misc |
|---|
| Colors | Blue, Black, Titanium | Black, Silver, Orange |
| Models | PLC110 | RMX3888 |
| Price | About 310 EUR | About 430 EUR |
OnePlus Ace 5 Ultra
- Potentially higher single-core CPU performance due to the Cortex-X925 core.
- More advanced 3nm chipset manufacturing process.
- Faster wired charging to 100% (though slower to 50%)
- Less mature software optimization compared to Snapdragon.
- No wireless charging support.
- Limited battery life information.
Realme GT5 Pro
- Brighter display (1660 nits) for better outdoor visibility.
- Longer battery life (14:16h active use).
- 50W wireless charging support.
- Slightly lower peak CPU clock speed.
- 4nm process is less efficient than 3nm (in theory).
- May be more expensive depending on region.
Display Comparison
The Realme GT5 Pro boasts a significantly brighter display, reaching a measured peak of 1660 nits, making it more legible outdoors. While the Ace 5 Ultra’s display specs are not provided, the GT5 Pro’s brightness advantage is substantial. Both devices likely utilize AMOLED panels, but the GT5 Pro’s higher peak brightness and potential for LTPO technology (implied by its flagship status) suggest superior power efficiency and smoother refresh rate scaling. The GT5 Pro’s brightness is a clear advantage for users who frequently consume content outdoors.
Camera Comparison
The context data for both devices is limited regarding camera specifics. However, given their flagship positioning, both are expected to feature capable camera systems. The Realme GT5 Pro is likely to prioritize video recording capabilities, a strength of the Snapdragon platform. The Ace 5 Ultra may focus on computational photography leveraging the Dimensity 9400+'s image signal processor. Without sensor size or aperture information, a definitive camera comparison is impossible, but the GT5 Pro’s Snapdragon ISP likely offers more robust video stabilization and processing.
Performance
The core difference lies in the chipsets. The Realme GT5 Pro’s Snapdragon 8 Gen 3 (4nm) features an octa-core configuration with a peak clock speed of 3.3 GHz on its Cortex-X4 prime core. The OnePlus Ace 5 Ultra counters with the MediaTek Dimensity 9400+ (3nm), boasting a higher peak clock speed of 3.73 GHz on its Cortex-X925 core, alongside three 3.3 GHz Cortex-X4 cores. The 3nm process of the Dimensity 9400+ *should* offer improved power efficiency, but the Snapdragon 8 Gen 3 benefits from Qualcomm’s extensive optimization and mature software support. The Ace 5 Ultra’s CPU architecture, with the newer X925 core, may provide a slight edge in single-core performance, while the GT5 Pro’s GPU is likely more refined.
Battery Life
The Realme GT5 Pro demonstrates impressive battery life, achieving 14 hours and 16 minutes of active use. Both phones support 100W wired charging, with the GT5 Pro reaching 50% charge in just 12 minutes. The Ace 5 Ultra takes 39 minutes for a full charge. The GT5 Pro also adds 50W wireless charging, a feature absent on the Ace 5 Ultra. While the Ace 5 Ultra’s charging speed is competitive, the GT5 Pro’s combination of excellent battery life, faster partial charging, and wireless charging support provides a more versatile charging experience.
Buying Guide
Buy the OnePlus Ace 5 Ultra if you need the absolute newest processor technology and are comfortable with a potentially less refined software experience. It’s ideal for power users who want to be on the bleeding edge. Buy the Realme GT5 Pro if you prefer a more polished, all-around experience with a proven chipset, excellent battery life (14:16h active use), and a brighter, more visible display in direct sunlight.
Frequently Asked Questions
❓ Will the Dimensity 9400+ in the OnePlus Ace 5 Ultra overheat during extended gaming sessions?
While the 3nm process *should* improve thermal efficiency, the Dimensity 9400+ is a new chipset. Real-world thermal performance will depend on OnePlus’s cooling solution and software optimization. The Snapdragon 8 Gen 3 in the GT5 Pro has a proven track record of managing heat effectively, offering a more predictable experience.
❓ Does the Realme GT5 Pro support high refresh rate gaming, and what frame rate caps are available?
Given its Snapdragon 8 Gen 3 chipset and flagship status, the Realme GT5 Pro is expected to support high refresh rate gaming. While specific frame rate caps aren't provided, it should comfortably handle 120Hz gaming in most titles, and potentially higher rates depending on the game and settings. Optimization for popular titles like PUBG Mobile and Genshin Impact is likely.
❓ How does the 100W charging on both phones affect battery health over the long term?
Both phones utilize 100W fast charging, which can generate heat. However, modern charging algorithms incorporate safeguards to minimize battery degradation. Bypass charging on the Ace 5 Ultra can help reduce heat during charging. The long-term impact on battery health will depend on charging habits and the quality of the battery cells used.
