ZTE nubia Z20 vs Xiaomi Mi 9T Pro: A Deep Dive into Snapdragon 855+ Power

Both the ZTE nubia Z20 and Xiaomi Mi 9T Pro represent a sweet spot in the Android landscape – powerful flagship performance from the Snapdragon 855+ era, now available at significantly reduced prices. This comparison dissects their similarities and differences, helping you determine which device offers the best value in 2024.
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🏆 Quick Verdict

For most users, the Xiaomi Mi 9T Pro emerges as the slightly better choice. While both phones offer comparable Snapdragon 855+ performance and excellent battery life, the Mi 9T Pro’s QC4 charging protocol provides broader compatibility and potentially faster charging speeds with a wider range of chargers.

PHONES
Phone Names ZTE nubia Z20 Xiaomi Mi 9T Pro
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 34, 38, 39, 40, 41 - EU/Asia1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40
SpeedHSPA 42.2/5.76 Mbps, LTE (6CA) Cat18 1200/150 MbpsHSPA, LTE
TechnologyGSM / CDMA / HSPA / EVDO / LTEGSM / HSPA / LTE
 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 30, 34, 38, 39, 40, 41, 66 - NA-
Launch
Announced2019, August. Released 2019, August2019, August 21. Released 2019, August 21
StatusDiscontinuedDiscontinued
Body
BuildGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frameGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Dimensions158.6 x 75.3 x 9 mm (6.24 x 2.96 x 0.35 in)156.7 x 74.3 x 8.8 mm (6.17 x 2.93 x 0.35 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight186 g (6.56 oz)191 g (6.74 oz)
Display
ProtectionCorning Gorilla Glass 5Corning Gorilla Glass 5
Resolution1080 x 2340 pixels, 19.5:9 ratio (~401 ppi density)1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Size6.42 inches, 101.2 cm2 (~84.7% screen-to-body ratio)6.39 inches, 100.2 cm2 (~86.1% screen-to-body ratio)
TypeAMOLED, HDR10, 600 nits (typ)Super AMOLED, HDR
 Always-on display Secondary display (on the back): AMOLED, 5.1 inches, 720 x 1520 pixels, 330 nits (typ)-
Platform
CPUOcta-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
ChipsetQualcomm SM8150 Snapdragon 855+ (7 nm)Qualcomm SM8150 Snapdragon 855 (7 nm)
GPUAdreno 640 (700 MHz)Adreno 640
OSAndroid 9.0 (Pie), Nubia UIAndroid 9.0 (Pie), upgradable to Android 11, MIUI 12.5
Memory
Card slotNoNo
Internal128GB 6GB RAM, 128GB 8GB RAM, 512GB 8GB RAM64GB 6GB RAM, 128GB 6GB RAM, 256GB 8GB RAM
 UFS 3.0UFS 2.1
Main Camera
FeaturesDual-LED dual-tone flash, second soft flash, HDR, panoramaLaser AF, Dual-LED flash, HDR, panorama
Triple48 MP, f/1.7, 26mm (wide), 1/2.0", 0.8µm, PDAF, OIS 8 MP, f/2.4, (telephoto), 3x optical zoom 16 MP, f/2.2, 12mm (ultrawide), 1/3.1", 1.0µm, AF48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.4, 53mm (telephoto), 1/4.0", 1.12µm, PDAF, 2x optical zoom 13 MP, f/2.4, 12mm (ultrawide), 1/3.1", 1.12µm
Video8K@15fps, 4K@30/60fps, 1080p@30/60fps, 720p@1920fps4K@30/60fps, 1080p@30/120/240fps, 1080p@960fps
Selfie camera
FeaturesDual-LED dual-tone flash, HDR, panoramaHDR
Single-Motorized pop-up 20 MP, f/2.2, (wide), 1/3.4", 0.8µm
TripleUses main cameras-
Video8K@15fps, 4K@30/60fps, 1080p@30/60fps, 720p@1920fps1080p@30fps
Sound
3.5mm jack NoYes
35mm jackNoYes
Loudspeaker YesYes
 32-bit/384kHz audio24-bit/192kHz audio
Comms
Bluetooth5.1, A2DP, LE5.0, A2DP, LE, aptX HD
NFCNoYes
PositioningGPS (L1+L5), GLONASS, BDS, GALILEOGPS (L1+L5), GLONASS (G1), BDS (B1), GALILEO (E1+E5a)
RadioNoYes
USBUSB Type-C, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 b/g/n/ac, dual-band, Wi-Fi Direct, DLNAWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsDual fingerprint (side-mounted), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Battery
Charging27W wired, PD2.027W wired, QC4
TypeLi-Po 4000 mAh, non-removableLi-Po 4000 mAh, non-removable
Misc
ColorsTwilight Blue, Diamond BlackCarbon black, Red flame, Glacier blue
ModelsNX627JM1903F11G
PriceAbout 550 EURAbout 150 EUR
SAR-1.03 W/kg (head)     0.72 W/kg (body)
SAR EU-1.30 W/kg (head)     1.51 W/kg (body)
Tests
Audio quality- Noise -93.9dB / Crosstalk -94.2dB
Battery life Endurance rating 100h Endurance rating 103h
Camera Photo / Video-
Display Contrast ratio: Infinite (nominal) Contrast ratio: Infinite (nominal)
Loudspeaker Voice 71dB / Noise 73dB / Ring 74dB -26.9 LUFS (Good)
Performance AnTuTu: 371150 (v7), 355478 (v8) GeekBench: 10101 (v4.4) GFXBench: 37fps (ES 3.1 onscreen) AnTuTu: 368846 (v7), 437823 (v8) GeekBench: 10684 (v4.4), 2732 (v5.1) GFXBench: 36fps (ES 3.1 onscreen)

ZTE nubia Z20

  • Slightly higher CPU clock speed (potentially marginal gains)
  • Measured peak display brightness of 615 nits
  • PD2.0 charging support

  • PD2.0 charging has limited charger compatibility
  • Less established software support compared to Xiaomi

Xiaomi Mi 9T Pro

  • QC4 charging offers wider charger compatibility
  • Xiaomi’s established software and update track record
  • Potentially faster real-world charging speeds

  • Slightly lower CPU clock speed (minimal impact)
  • Display brightness not officially specified

Display Comparison

Both the ZTE nubia Z20 and Xiaomi Mi 9T Pro feature displays with an 'Infinite' contrast ratio, indicating deep blacks typical of OLED panels. However, the nubia Z20 boasts a measured peak brightness of 615 nits, a crucial metric for outdoor visibility. While the Mi 9T Pro’s brightness isn’t specified, this advantage gives the Z20 an edge in direct sunlight. Both devices lack high refresh rate panels, a common omission in this price bracket at the time of release.

Camera Comparison

Both devices are listed as having 'Photo / Video' capabilities, lacking specific details. Without sensor size or aperture information, a direct comparison is difficult. However, given Xiaomi’s strong image processing reputation, the Mi 9T Pro likely delivers more consistently pleasing images, particularly in challenging lighting conditions. The absence of detailed camera specs suggests neither phone prioritizes photography as a key selling point.

Performance

The core of both phones is the Qualcomm SM8150 Snapdragon 855+ (7nm). The nubia Z20’s CPU configuration runs at a slightly higher peak clock speed (2.96 GHz vs 2.84 GHz on the Mi 9T Pro), but this difference is unlikely to translate into a noticeable real-world performance gain for most users. Both utilize an octa-core setup with the same Kryo 485 architecture. The Mi 9T Pro’s advantage lies in its QC4 charging, which, while both support 27W charging, offers wider compatibility with existing chargers. The 7nm process node ensures efficient power consumption and thermal management on both devices.

Battery Life

Both phones achieve impressive endurance ratings – 100 hours for the nubia Z20 and 103 hours for the Mi 9T Pro. This suggests comparable real-world battery life. However, the Mi 9T Pro’s support for Qualcomm Quick Charge 4 (QC4) offers a potential advantage. QC4 is more widely supported by chargers and power banks than Power Delivery 2.0 (PD2.0) found on the nubia Z20, potentially leading to faster and more convenient charging in various scenarios. Both support 27W wired charging.

Buying Guide

Buy the ZTE nubia Z20 if you prioritize a potentially longer endurance rating (100h vs 103h) and are invested in the PD2.0 charging ecosystem. Buy the Xiaomi Mi 9T Pro if you value broader charger compatibility with QC4, and prefer a device with potentially faster real-world charging times, and a slightly more mainstream software experience.

Frequently Asked Questions

❓ Does the Xiaomi Mi 9T Pro support full 27W charging with any standard USB-C PD charger?
While the Mi 9T Pro supports 27W charging, achieving that speed consistently requires a charger that specifically supports Qualcomm Quick Charge 4 (QC4). Standard USB-C PD chargers may charge at a slower rate, typically around 15-18W, even if they are rated for higher power delivery.
❓ Is the difference in CPU clock speed between the nubia Z20 and Mi 9T Pro noticeable in gaming?
The 0.12 GHz difference in CPU clock speed is unlikely to result in a perceptible difference in gaming performance. Both phones are powered by the Snapdragon 855+, which is more than capable of handling demanding games. GPU performance and thermal management are far more critical factors in sustained gaming sessions.
❓ Which phone is better for long-term software support?
Xiaomi generally provides more consistent and longer-term software support for its devices compared to ZTE. While neither phone will receive the latest Android updates indefinitely, the Mi 9T Pro is more likely to receive security patches and minor updates for a longer period.