vivo NEX 3 5G vs Xiaomi Mi Mix Alpha: A Battle of Bold Display Innovations

The vivo NEX 3 5G and Xiaomi Mi Mix Alpha represent the pinnacle of early 2020s smartphone design, pushing the boundaries of screen real estate with their radical waterfall and wrap-around displays. Both devices leverage the Snapdragon 855+ chipset, but diverge significantly in their approach to user experience and overall practicality. This comparison dissects these differences to determine which phone delivers a more compelling package.
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🏆 Quick Verdict

For the average user, the vivo NEX 3 5G emerges as the more sensible choice. While the Mi Mix Alpha’s wrap-around display is a technological marvel, the NEX 3 5G offers a more refined experience with a brighter, more usable display and a slightly more practical form factor, all while delivering comparable performance.

PHONES
Phone Names vivo NEX 3 5G Xiaomi Mi Mix Alpha
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1900 / 2100HSDPA 850 / 900 / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 411, 2, 3, 4, 5, 7, 8, 34, 38, 39, 40, 41 - China
5G bands41, 78 NSA41, 78, 79 SA/NSA/Sub6
SpeedHSPA 42.2/5.76 Mbps, LTE (5CA) Cat18 1200/150 Mbps, 5G (2+ Gbps DL)HSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/150 Mbps, 5G (2+ Gbps DL)
TechnologyGSM / CDMA / HSPA / EVDO / LTE / 5GGSM / CDMA / HSPA / LTE / 5G
 -CDMA 800 & TD-SCDMA
Launch
Announced2019, September. Released 2019, September2019, September
StatusDiscontinuedCancelled
Body
BuildGlass front, glass back, aluminum frameGlass front, ceramic/glass back, titanium alloy frame (TC4)
Dimensions167.4 x 76.1 x 9.4 mm (6.59 x 3.00 x 0.37 in)154.4 x 72.3 x 10.4 mm (6.08 x 2.85 x 0.41 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight218.5 g (7.72 oz)241 g (8.50 oz)
Display
Resolution1080 x 2256 pixels (~363 ppi density)2088 x 2250 pixels (~388 ppi density)
Size6.89 inches, 119.3 cm2 (~93.6% screen-to-body ratio)7.92 inches, 201.8 cm2 (~180.8% screen-to-body ratio)
TypeSuper AMOLED, HDR10Flexible Super AMOLED
Platform
CPUOcta-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
ChipsetQualcomm SM8150 Snapdragon 855+ (7 nm)Qualcomm SM8150 Snapdragon 855+ (7 nm)
GPUAdreno 640 (700 MHz)Adreno 640 (700 MHz)
OSAndroid 9.0 (Pie), upgradable to Android 10, Funtouch 10Android 10, MIUI 11
Memory
Card slotNoNo
Internal256GB 8GB RAM, 256GB 12GB RAM512GB 12GB RAM
 -UFS 3.0
Main Camera
FeaturesLED flash, HDR, panoramaLaser AF, Dual-LED flash, HDR, panorama
Triple64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF 13 MP, f/2.5, 52mm (telephoto), PDAF, 2x optical zoom 13 MP, f/2.2, 13mm (ultrawide), PDAF108 MP, f/1.7, (wide), 1/1.33", 0.8µm, PDAF 12 MP, f/2.0, 54mm (telephoto), 1/2.55", 1.4µm, dual pixel PDAF, 2x optical zoom 20 MP, f/2.2, 13mm (ultrawide), 1/2.8", 1.0µm
Video4K@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS6K@30fps, 4K@30/60fps, 1080p@30/120/240fps, 1080p@960fps
Selfie camera
FeaturesLED flash, HDRDual-LED flash, HDR, panorama
SingleMotorized pop-up 16 MP, f/2.1, 26mm (wide), 1/3.06", 1.0µm-
Triple-No - uses main camera
Video1080p@30fps3240p@30fps, 4K@30/60fps, 1080p@30/120/240fps, 1080p@960fps
Sound
3.5mm jack YesNo
35mm jackYesNo
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE5.0, A2DP, LE, aptX HD
NFCNoNo
PositioningGPS, GLONASS, GALILEO, BDSGPS (L1+L5), GLONASS (L1), BDS (B1), GALILEO (E1+E5a)
RadioNoNo
USBUSB Type-C 2.0, OTGUSB Type-C
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, compass, barometer
 -Virtual proximity sensing
Battery
Charging44W wired40W wired
Type4500 mAh, non-removableLi-Po 4050 mAh, non-removable
Misc
ColorsBlack, BlueBlack
ModelsV1924A, V1924T, 1913-
PriceAbout 730 EURAbout 2500 EUR
Tests
Audio quality Noise -93.7dB / Crosstalk -93.1dB-
Battery lifeEndurance rating 110h-
Camera Photo / Video-
Display Contrast ratio: Infinite (nominal)-
Loudspeaker Voice 70dB / Noise 73dB / Ring 72dB-
Performance AnTuTu: 388878 (v7), 497858 (v8) GeekBench: 11060 (v4.4) GFXBench: 37fps (ES 3.1 onscreen)-

vivo NEX 3 5G

  • Brighter display for better outdoor visibility
  • Faster 44W wired charging
  • More practical and durable design

  • Waterfall display still prone to accidental touches
  • Limited camera specification details

Xiaomi Mi Mix Alpha

  • Truly innovative wrap-around display
  • Visually striking and futuristic design
  • Potentially larger battery capacity (unconfirmed)

  • Fragile and prone to damage
  • Slower 40W wired charging
  • Potential for software glitches and accidental touches

Display Comparison

Both the vivo NEX 3 5G and Xiaomi Mi Mix Alpha aim for near-bezel-less designs, but their implementations differ drastically. The NEX 3 5G features a 'waterfall' display, curving dramatically over the sides, while the Mi Mix Alpha takes this further with a true 'wrap-around' display extending onto the phone's frame. The NEX 3 5G boasts a measured peak brightness of 610 nits, a crucial advantage for outdoor visibility, a metric the Mi Mix Alpha’s specifications do not detail. The NEX 3 5G’s contrast ratio is listed as infinite (nominal), suggesting a high-quality OLED panel. The Mi Mix Alpha’s display, while visually stunning, is inherently more prone to accidental touches and potential damage due to its exposed edges.

Camera Comparison

Both phones feature capable camera systems, but detailed specifications are limited. Both are listed as having Photo/Video capabilities. The Mi Mix Alpha’s camera setup is more ambitious, but the NEX 3 5G’s more conventional design may offer better image stabilization and overall usability. Without specific sensor size or aperture information, it’s difficult to definitively declare a winner. The absence of details regarding image processing algorithms further complicates the comparison. It's reasonable to assume both phones leverage Qualcomm’s ISP for image processing, but software tuning will play a significant role in the final image quality.

Performance

Both devices are powered by the Qualcomm SM8150 Snapdragon 855+ (7 nm) chipset, featuring an octa-core CPU configuration (1x2.96 GHz Kryo 485, 3x2.42 GHz Kryo 485, and 4x1.8 GHz Kryo 485). This ensures comparable performance in demanding tasks like gaming and video editing. However, the Mi Mix Alpha’s unique design may present thermal challenges, potentially leading to more aggressive throttling under sustained load. Neither device’s specifications detail RAM speed, but both likely utilize LPDDR4X, standard for the Snapdragon 855+ era. The lack of significant performance differentiation means the user experience will be largely similar in terms of raw speed.

Battery Life

The vivo NEX 3 5G boasts an endurance rating of 110 hours, suggesting a well-optimized battery life. It supports 44W wired charging, enabling rapid replenishment. The Mi Mix Alpha, with its 40W wired charging, offers a slightly slower charging speed. While the Mi Mix Alpha’s battery capacity isn’t specified, its larger form factor *could* accommodate a larger battery, but the power demands of the wrap-around display may negate any capacity advantage. The NEX 3 5G’s faster charging and proven endurance rating give it an edge in this category.

Buying Guide

Buy the vivo NEX 3 5G if you prioritize a bright, vibrant display for everyday use, reliable battery life with 44W fast charging, and a more conventional (though still striking) smartphone experience. Buy the Xiaomi Mi Mix Alpha if you are a technology enthusiast willing to sacrifice practicality for a truly groundbreaking and visually arresting design, and are comfortable with the potential software quirks and durability concerns associated with such an experimental device.

Frequently Asked Questions

❓ How durable is the Xiaomi Mi Mix Alpha's wrap-around display in real-world use?
The Mi Mix Alpha’s wrap-around display is exceptionally fragile. The exposed edges are highly susceptible to damage from drops and scratches. Users reported needing to be extremely careful with handling, and screen protectors are largely ineffective. The NEX 3 5G, while still having curved edges, offers significantly better durability.
❓ Does the Snapdragon 855+ in either phone struggle with sustained gaming performance?
While the Snapdragon 855+ is a capable chipset, both phones may experience some thermal throttling during extended gaming sessions. The Mi Mix Alpha’s unique design *could* exacerbate this issue due to potentially less efficient heat dissipation. However, neither phone is known for extreme overheating.
❓ Is the waterfall display on the vivo NEX 3 5G prone to accidental touches?
Yes, the waterfall display on the NEX 3 5G can occasionally register accidental touches, particularly along the curved edges. However, vivo implemented software optimizations to mitigate this issue, and most users report it being a minor inconvenience rather than a major problem.