vivo X51 5G vs Sony Xperia 5 III: A Detailed Comparison of Performance, Camera, and Value
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🏆 Quick Verdict
For the average user prioritizing raw performance and a premium experience, the Sony Xperia 5 III is the clear winner. Its Snapdragon 888 chipset delivers a substantial performance leap over the X51’s 765G. However, the vivo X51 5G offers excellent value for those seeking 5G connectivity without breaking the bank.
| PHONES | ||
|---|---|---|
| Phone Names | vivo X51 5G | Sony Xperia 5 III |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 32, 38, 39, 40, 41, 66 | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 19, 20, 25, 26, 28, 29, 32, 34, 38, 39, 40, 41, 46, 48, 66, 71 - USA |
| 5G bands | 1, 3, 7, 8, 28, 38, 41, 77, 78 SA/NSA | 1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 71, 77, 78 SA/NSA/Sub6 - USA |
| Speed | HSPA, LTE, 5G | HSPA, LTE, 5G |
| Technology | GSM / CDMA / HSPA / LTE / 5G | GSM / HSPA / LTE / 5G |
| CDMA 800 | 1, 3, 5, 7, 8, 28, 38, 40, 41, 77, 78, 79 SA/NSA/Sub6 - Asia | |
| Launch | ||
|---|---|---|
| Announced | 2020, October 21. Released 2020, October 23 | 2021, April 14 |
| Status | Discontinued | Available. Released 2021, October 08 |
| Body | ||
|---|---|---|
| Build | Glass front, glass back, aluminum frame | Glass front (Gorilla Glass 6), glass back (Gorilla Glass 6), aluminum frame |
| Dimensions | 158.5 x 72.8 x 8 mm (6.24 x 2.87 x 0.31 in) | 157 x 68 x 8.2 mm (6.18 x 2.68 x 0.32 in) |
| Keyboard | QWERTY | - |
| SIM | Nano-SIM + Nano-SIM | · Nano-SIM· Nano-SIM + Nano-SIM |
| Weight | 181.5 g (6.42 oz) | 168 g (5.93 oz) |
| - | IP65/IP68 dust/water resistant (up to 1.5m for 30 min) | |
| Display | ||
|---|---|---|
| Protection | - | Corning Gorilla Glass 6 |
| Resolution | 1080 x 2376 pixels (~398 ppi density) | 1080 x 2520 pixels, 21:9 ratio (~449 ppi density) |
| Size | 6.56 inches, 104.6 cm2 (~90.6% screen-to-body ratio) | 6.1 inches, 86.9 cm2 (~81.4% screen-to-body ratio) |
| Type | AMOLED, 90Hz, HDR10+ | OLED, 1B colors, 120Hz, HDR BT.2020 |
| Platform | ||
|---|---|---|
| CPU | Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver) | Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) |
| Chipset | Qualcomm SM7250 Snapdragon 765G 5G (7 nm) | Qualcomm SM8350 Snapdragon 888 5G (5 nm) |
| GPU | Adreno 620 | Adreno 660 |
| OS | Android 10, Funtouch 10.0 | Android 11, upgradable to Android 13 |
| Memory | ||
|---|---|---|
| Card slot | No | microSDXC (uses shared SIM slot) |
| Internal | 256GB 8GB RAM | 128GB 8GB RAM, 256GB 8GB RAM |
| UFS 2.1 | UFS 3.X | |
| Main Camera | ||
|---|---|---|
| Features | Laser AF, color spectrum sensor, Dual-LED dual-tone flash, HDR, panorama | Zeiss optics, Zeiss T* lens coating, color spectrum sensor, LED flash, panorama, HDR, eye tracking |
| Quad | 48 MP, f/1.6, (wide), PDAF, gimbal OIS 8 MP, f/3.4, 135mm (periscope telephoto), 1/4.0", PDAF, OIS, 5x optical zoom 13 MP, f/2.5, 50mm (telephoto), 1/2.8", 0.8µm, PDAF, 2x optical zoom 8 MP, f/2.2, 120˚, 16mm (ultrawide), 1/4.0", 1.12µm | - |
| Single | 3.15 MP | 8 MP, f/2.0, 24mm (wide), 1/4", 1.12µm |
| Triple | - | 12 MP, f/1.7, 24mm (wide), 1/1.7", 1.8µm, dual pixel PDAF, OIS 12 MP, f/2.3, 70mm (telephoto), f/2.8, 105mm (telephoto), 1/2.9", dual pixel PDAF, 3x/4.4x optical zoom, OIS 12 MP, f/2.2, 124˚, 16mm (ultrawide), 1/2.6", dual pixel PDAF |
| Video | 4K@30fps, 1080p@30fps, gyro-EIS | 4K@24/25/30/60/120fps HDR, 1080p@30/60/120fps; 5-axis gyro-EIS, OIS |
| Selfie camera | ||
|---|---|---|
| Features | HDR | HDR |
| Single | 32 MP, f/2.5, 26mm (wide), 1/2.8", 0.8µm | 8 MP, f/2.0, 24mm (wide), 1/4.0", 1.12µm |
| Video | 1080p@30fps | 1080p@30fps, 5-axis gyro-EIS |
| Sound | ||
|---|---|---|
| 3.5mm jack | No | Yes |
| 35mm jack | No | Yes |
| Loudspeaker | Yes | Yes, with stereo speakers |
| 32-bit/192kHz audio | 24-bit/192kHz audio Dynamic vibration system | |
| Comms | ||
|---|---|---|
| Bluetooth | 5.1, A2DP, LE, aptX HD | 5.2, A2DP, LE, aptX HD, aptX Adaptive |
| NFC | Yes | Yes |
| Positioning | GPS, GLONASS, GALILEO, BDS | GPS, GLONASS, BDS, GALILEO, QZSS |
| Radio | No | No |
| USB | USB Type-C 2.0, OTG | USB Type-C 3.1, OTG, video output |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, DLNA |
| Features | ||
|---|---|---|
| Browser | HTML | - |
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, gyro, proximity, barometer, compass |
| - | Native Sony Alpha camera support | |
| Battery | ||
|---|---|---|
| Charging | 33W wired, 57% in 30 min | Wired, PD, 50% in 30 min |
| Music play | Up to 5 h | - |
| Stand-by | Up to 312 h | - |
| Talk time | Up to 3 h | - |
| Type | 4315 mAh | Li-Po 4500 mAh |
| Misc | ||
|---|---|---|
| Colors | Gray | Black, Green, Pink |
| Models | XE710 | XQBQ62/G, XQBQ52G.UKCX, XQBQ52B.UKCX, XQ-BQ52, XQ-BQ72, XQ-BQ42, XQ-BQ62, SO-53B |
| Price | About 760 EUR | € 431.90 / £ 199.99 |
| SAR | 0.35 W/kg (head) 0.95 W/kg (body) | - |
| SAR EU | 0.20 W/kg (head) | - |
| Pricing | ||
|---|---|---|
| 256GB 8GB RAM | $ 885.00 | - |
| Tests | ||
|---|---|---|
| Battery life | - | Endurance rating 100h |
| Camera | - | Photo / Video |
| Display | - | Contrast ratio: Infinite (nominal) |
| Loudspeaker | - | -26.7 LUFS (Good) |
| Performance | - | AnTuTu: 708394 (v9) GeekBench: 3549 (v5.1) GFXBench: 53fps (ES 3.1 onscreen) |
vivo X51 5G
- More affordable price point
- Good 5G connectivity
- Decent battery endurance
- Less powerful processor
- Limited performance for demanding tasks
- Camera specifications are unknown
Sony Xperia 5 III
- Flagship-level performance with Snapdragon 888
- Brighter and potentially sharper display
- Likely superior camera system
- Higher price tag
- Potential for thermal throttling (though mitigated by 5nm process)
- Compact size may not suit all users
Display Comparison
The Sony Xperia 5 III features a 590 nit max brightness display, providing excellent visibility outdoors, a metric the X51’s display specifications lack. While both boast an 'infinite' contrast ratio (typical for OLED panels), the Xperia 5 III’s smaller 6.1-inch screen likely contributes to a higher pixel density, resulting in a sharper image. The absence of refresh rate data for the X51 means the Xperia 5 III likely offers a smoother visual experience if it supports a higher refresh rate, though this is not confirmed in the provided data.
Camera Comparison
Both devices are listed as having Photo/Video capabilities, but detailed sensor information is missing for the X51. The Xperia 5 III, being a Sony product, likely benefits from their renowned image processing expertise. While sensor size and aperture are unknown for both, the Xperia 5 III’s flagship status suggests a more advanced camera system with features like real-time tracking and improved low-light performance. The lack of detail on the X51’s camera makes a direct comparison difficult, but it’s unlikely to match the Xperia 5 III’s capabilities.
Performance
The core difference lies in the chipsets: the vivo X51 5G uses the Qualcomm SM7250 Snapdragon 765G (7nm), while the Sony Xperia 5 III packs the SM8350 Snapdragon 888 5G (5nm). The 888’s Cortex-X1 prime core, clocked at 2.84 GHz, significantly outperforms the X51’s 2.4 GHz Kryo 475 Prime. The 5nm process node of the 888 also offers superior power efficiency and thermal management compared to the 7nm 765G, reducing the likelihood of performance throttling during sustained workloads. The Xperia 5 III will demonstrably outperform the X51 in gaming, video editing, and other demanding tasks.
Battery Life
Both phones share a 100-hour endurance rating, a surprising similarity. However, this rating doesn't tell the whole story. The Xperia 5 III supports faster charging, reaching 50% in 30 minutes, while the X51 takes 30 minutes to reach 57%. While the difference isn't massive, the Xperia 5 III’s more efficient Snapdragon 888 chipset likely contributes to better overall battery life despite potentially having a similar capacity. The 5nm process allows for more work per watt, extending usage time.
Buying Guide
Buy the vivo X51 5G if you need a capable 5G phone with a good camera at a reasonable price point, and aren't demanding the absolute highest performance. Buy the Sony Xperia 5 III if you prioritize a compact form factor, flagship-level performance for gaming and demanding applications, and a more refined multimedia experience.