The vivo Y400 Pro and Realme X7 Pro Ultra represent compelling options in the increasingly competitive mid-range smartphone market. While both leverage Mediatek's Dimensity series, they target slightly different priorities – the Y400 Pro with its newer chipset and blazing-fast charging, and the X7 Pro Ultra with its established platform and focus on overall performance. This comparison dissects their key differences to determine which device delivers the best value.
🏆 Quick Verdict
For the average user prioritizing future-proofing and rapid charging, the vivo Y400 Pro emerges as the winner. Its Dimensity 7300, built on a more efficient 4nm process, offers comparable performance to the X7 Pro Ultra’s Dimensity 1000+ while promising better thermal management and potentially longer battery life. The 90W charging is a significant advantage.
| Network |
|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands | 1, 3, 5, 8, 28, 38, 40, 41 | 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26, 34, 38, 39, 40, 41 |
| 5G bands | 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA | 1, 3, 41, 77, 78, 79 SA/NSA |
| Speed | HSPA, LTE, 5G | HSPA, LTE, 5G |
| Technology | GSM / HSPA / LTE / 5G | GSM / CDMA / HSPA / EVDO / LTE / 5G |
| | - | CDMA2000 1xEV-DO |
| Launch |
|---|
| Announced | 2025, June 20 | 2021, April 02 |
| Status | Available. Released 2025, June 27 | Available. Released 2021, April 02 |
| Body |
|---|
| Build | Glass front, plastic back, plastic frame | - |
| Dimensions | 163.8 x 75.0 x 7.5 or 7.7 mm | 159.9 x 73.4 x 7.8 mm (6.30 x 2.89 x 0.31 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 182 g (6.42 oz) | 170 g (6.00 oz) |
| Display |
|---|
| Protection | - | Corning Gorilla Glass 5 |
| Resolution | 1080 x 2392 pixels (~388 ppi density) | 1080 x 2400 pixels, 20:9 ratio (~402 ppi density) |
| Size | 6.77 inches, 110.9 cm2 (~90.3% screen-to-body ratio) | 6.55 inches, 103.6 cm2 (~88.3% screen-to-body ratio) |
| Type | AMOLED, 120Hz, HDR, 1300 nits (HBM), 4500 nits (peak) | Super AMOLED, 90Hz, 1200 nits (peak) |
| Platform |
|---|
| CPU | Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55) | Octa-core (4x2.6 GHz Cortex-A77 & 4x2.0 GHz Cortex-A55) |
| Chipset | Mediatek Dimensity 7300 (4 nm) | Mediatek Dimensity 1000+ (7 nm) |
| GPU | Mali-G615 MC2 | Mali-G77 MC9 |
| OS | Android 15, Funtouch 15 | Android 11, Realme UI 2.0 |
| Memory |
|---|
| Card slot | No | No |
| Internal | 128GB 8GB RAM, 256GB 8GB RAM | 128GB 8GB RAM, 256GB 12GB RAM |
| Main Camera |
|---|
| Dual | 50 MP, f/1.8, (wide), 1/1.95", 0.8µm, PDAF
Auxiliary lens | - |
| Features | Ring-LED flash, panorama, HDR | LED flash, HDR, panorama |
| Single | - | 32 MP, f/2.5, 26mm (wide), 1/2.8", 0.8µm |
| Triple | - | 64 MP, f/1.8, 26mm (wide), 1/2.0", 0.7µm, PDAF
8 MP, f/2.3, 119˚, 16mm (ultrawide), 1/4.0", 1.12µm
2 MP (macro) |
| Video | 4K@30fps, 1080p@30fps, gyro-EIS | 4K@30/60fps, 1080p@30/60fps, gyro-EIS |
| Selfie camera |
|---|
| Features | - | HDR |
| Single | 32 MP, f/2.5, (wide) | 32 MP, f/2.5, 26mm (wide), 1/2.8", 0.8µm |
| Video | 4K@30fps, 1080p@30fps | 1080p@30fps |
| Sound |
|---|
| 3.5mm jack | - | No |
| 35mm jack | No | No |
| Loudspeaker | Yes, with stereo speakers | Yes |
| | - | 24-bit/192kHz audio |
| Comms |
|---|
| Bluetooth | 5.4, A2DP, LE | 5.1, A2DP, LE |
| Infrared port | Yes | - |
| NFC | No | Yes |
| Positioning | GPS, GLONASS, GALILEO, BDS, QZSS | GPS (L1+L5), GLONASS, BDS, GALILEO, QZSS |
| Radio | No | No |
| USB | USB Type-C 2.0, OTG | USB Type-C 2.0 |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct |
| Features |
|---|
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| Battery |
|---|
| Charging | 90W wired, 50% in 19 min
6W reverse wired | 65W wired, 100% in 35 min |
| Type | Li-Ion 5500 mAh | 4500 mAh |
| Misc |
|---|
| Colors | Fest Gold, Freestyle White, Nebula Purple | Black, Aurora |
| Models | - | RMX3115 |
| Price | ₹ 24,999 | About 310 EUR |
| SAR | 0.90 W/kg (head) | - |
| SAR EU | 0.85 W/kg (head) | - |
vivo Y400 Pro
- Faster 90W charging
- More efficient 4nm Dimensity 7300 chipset
- Potential for better thermal management
- Display specifications unknown
- Camera details lacking
Realme X7 Pro Ultra
- Proven Dimensity 1000+ performance
- Established software ecosystem (Realme UI)
- Potentially lower price point (due to age)
- Slower 65W charging
- Less efficient 7nm Dimensity 1000+ chipset
- Older architecture
Display Comparison
Neither device's display specifications are provided, so a direct comparison is limited. However, given the Y400 Pro's more recent release, it's reasonable to expect a slightly more advanced panel, potentially with a higher refresh rate or improved color accuracy. The Realme X7 Pro Ultra, being an older model, likely utilizes a standard AMOLED panel. Bezels are likely comparable, typical of phones in this price bracket. Without specific data, it's difficult to definitively state a winner, but the Y400 Pro has the potential for a more visually appealing experience.
Camera Comparison
Without detailed camera specifications, a precise comparison is impossible. However, the market positioning suggests the Y400 Pro may feature a more advanced primary sensor. Both phones likely employ similar image processing techniques, focusing on vibrant colors and enhanced detail. The absence of information regarding OIS (Optical Image Stabilization) is a key omission; its presence would significantly benefit low-light photography and video recording. We can assume both phones include standard features like HDR and portrait modes, but the quality will depend heavily on the sensor and image processing algorithms.
Performance
The core difference lies in the chipsets. The vivo Y400 Pro’s Mediatek Dimensity 7300 (4nm) boasts a newer architecture compared to the Realme X7 Pro Ultra’s Dimensity 1000+ (7nm). While the X7 Pro Ultra’s CPU clocks slightly higher (2.6 GHz vs 2.5 GHz on the Y400 Pro’s Cortex-A78 cores), the 4nm fabrication process of the Dimensity 7300 provides significant gains in power efficiency. This translates to less heat generation under sustained load, potentially reducing thermal throttling during gaming or demanding tasks. Both phones utilize Cortex-A55 cores for efficiency, but the Y400 Pro’s overall architecture is more modern. The impact for users is smoother multitasking and potentially longer gaming sessions without significant performance drops.
Battery Life
The charging speeds are a major differentiator. The vivo Y400 Pro’s 90W wired charging is significantly faster than the Realme X7 Pro Ultra’s 65W charging, promising a 50% charge in just 19 minutes. The X7 Pro Ultra takes 35 minutes to reach 100%. While battery capacity isn’t specified, the Dimensity 7300’s improved efficiency in the Y400 Pro could offset a potentially smaller battery size, resulting in comparable real-world battery life. The Y400 Pro’s 6W reverse wired charging is a useful addition for topping up accessories.
Buying Guide
Buy the vivo Y400 Pro if you need the fastest possible charging speeds and want a phone built on a more modern, efficient chipset, offering better long-term performance potential. Buy the Realme X7 Pro Ultra if you prioritize a proven track record of performance with the Dimensity 1000+ and are comfortable with a slightly slower charging experience. The X7 Pro Ultra may also appeal to users who prefer a slightly more mature software experience from Realme.
Frequently Asked Questions
❓ Will the Dimensity 7300 in the Y400 Pro handle demanding games like Genshin Impact at high settings?
The Dimensity 7300 is a capable chipset and should handle Genshin Impact at medium to high settings with playable frame rates. The 4nm process helps mitigate thermal throttling, allowing for sustained performance during longer gaming sessions. However, achieving consistently high frame rates will depend on the phone's cooling system and software optimization.
❓ Is the 90W charging on the Y400 Pro safe for the battery's long-term health?
Modern smartphones employ sophisticated charging management systems that protect the battery from overcharging and overheating, even with fast charging technologies like 90W. While fast charging *can* contribute to slightly faster battery degradation over several years, the convenience and speed often outweigh this concern. vivo likely incorporates battery health management features to further mitigate this effect.
❓ Does the Realme X7 Pro Ultra still receive software updates?
The Realme X7 Pro Ultra is an older device, so its software update support is likely nearing its end. While it may still receive occasional security patches, major Android version updates are unlikely. This is a key consideration for users who prioritize long-term software support.
