ZTE nubia Z20 vs. Google Pixel 4 XL: A Battery Life and Camera Showdown

Released in a similar timeframe, the ZTE nubia Z20 and Google Pixel 4 XL represent distinct philosophies in the flagship smartphone space. The nubia Z20 prioritized endurance and a unique dual-screen experience, while the Pixel 4 XL doubled down on Google’s computational photography prowess. With the Pixel 4 XL now available at significantly reduced prices, a direct comparison is more relevant than ever.
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🏆 Quick Verdict

For the average user prioritizing longevity, the ZTE nubia Z20 is the clear winner. Its 100-hour endurance rating significantly outpaces the Pixel 4 XL’s 73 hours. However, if camera quality and a refined software experience are paramount, the Pixel 4 XL remains a compelling choice, especially at its current price point.

PHONES
Phone Names ZTE nubia Z20 Google Pixel 4 XL
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, 12, 13, 17, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66, 71 - Global
SpeedHSPA 42.2/5.76 Mbps, LTE (6CA) Cat18 1200/150 MbpsHSPA 42.2/5.76 Mbps, LTE (5CA) Cat18 1200/150 Mbps
TechnologyGSM / CDMA / HSPA / EVDO / LTEGSM / CDMA / HSPA / EVDO / LTE
 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 30, 34, 38, 39, 40, 41, 66 - NA1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 - USA
Launch
Announced2019, August. Released 2019, August2019, October 15
StatusDiscontinuedAvailable. Released 2019, October 22
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)160.4 x 75.1 x 8.2 mm (6.31 x 2.96 x 0.32 in)
SIMNano-SIM + Nano-SIMNano-SIM + eSIM
Weight186 g (6.56 oz)193 g (6.81 oz)
 -IP68 dust/water resistant (up to 1.5m for 30 min)
Display
ProtectionCorning Gorilla Glass 5Corning Gorilla Glass 5
Resolution1080 x 2340 pixels, 19.5:9 ratio (~401 ppi density)1440 x 3040 pixels, 19:9 ratio (~537 ppi density)
Size6.42 inches, 101.2 cm2 (~84.7% screen-to-body ratio)6.3 inches, 98.0 cm2 (~81.3% screen-to-body ratio)
TypeAMOLED, HDR10, 600 nits (typ)P-OLED, 90Hz, HDR
 Always-on display Secondary display (on the back): AMOLED, 5.1 inches, 720 x 1520 pixels, 330 nits (typ)Always-on display
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 10, upgradable to Android 13
Memory
Card slotNoNo
Internal128GB 6GB RAM, 128GB 8GB RAM, 512GB 8GB RAM64GB 6GB RAM, 128GB 6GB RAM
 UFS 3.0UFS 2.1
Main Camera
Dual-12.2 MP, f/1.7, 27mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, OIS 16 MP, f/2.4, 50mm (telephoto), 1/3.6", 1.0µm, PDAF, OIS, 2x optical zoom
FeaturesDual-LED dual-tone flash, second soft flash, HDR, panoramaDual-LED flash, Pixel Shift, Auto-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, AF-
Video8K@15fps, 4K@30/60fps, 1080p@30/60fps, 720p@1920fps4K@30fps, 1080p@30/60/120fps, 1080p@30fps (gyro-EIS)
Selfie camera
FeaturesDual-LED dual-tone flash, HDR, panoramaHDR
Single-8 MP, f/2.0, 22mm (wide), 1.22µm, no AF TOF 3D, (depth/biometrics sensor)
TripleUses main cameras-
Video8K@15fps, 4K@30/60fps, 1080p@30/60fps, 720p@1920fps1080p@30fps
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker YesYes, with stereo speakers
 32-bit/384kHz audio-
Comms
Bluetooth5.1, A2DP, LE5.0, A2DP, LE, aptX HD
NFCNoYes
PositioningGPS (L1+L5), GLONASS, BDS, GALILEOGPS, GLONASS, BDS, GALILEO
RadioNoNo
USBUSB Type-C, OTGUSB Type-C 3.1
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, DLNA
Features
SensorsDual fingerprint (side-mounted), accelerometer, gyro, proximity, compassFace ID, accelerometer, gyro, proximity, compass, barometer
Battery
Charging27W wired, PD2.018W wired, PD2.0 Wireless
TypeLi-Po 4000 mAh, non-removableLi-Po 3700 mAh, non-removable
Misc
ColorsTwilight Blue, Diamond BlackClearly White, Just Black, Oh So Orange
ModelsNX627JG020P, G020, GA01181-US, GA01182-US, GA01180-US
PriceAbout 550 EURAbout 180 EUR
Pricing
128GB 6GB RAM-$ 364.52
64GB 6GB RAM-$ 274.99
RENEWED-$ 149.00
Tests
Audio quality- Noise -93.9 / Crosstalk -94.1
Battery life Endurance rating 100h Endurance rating 73h
Camera Photo / Video Photo / Video
Display Contrast ratio: Infinite (nominal)-
Loudspeaker Voice 71dB / Noise 73dB / Ring 74dB Voice 80dB / Noise 78dB / Ring 88dB
Performance AnTuTu: 371150 (v7), 355478 (v8) GeekBench: 10101 (v4.4) GFXBench: 37fps (ES 3.1 onscreen) AnTuTu: 323305 (v7), 403267 (v8) GeekBench: 10171 (v4.4), 2267 (v5.1) GFXBench: 21fps (ES 3.1 onscreen)

ZTE nubia Z20

  • Exceptional 100-hour battery life
  • Faster 27W wired charging
  • Unique dual-screen functionality

  • Camera specifications are unknown
  • Lacks wireless charging

Google Pixel 4 XL

  • Excellent camera performance (based on reputation)
  • Refined Android software experience
  • Wireless charging support

  • Significantly shorter battery life (73 hours)
  • Slower 18W wired charging

Display Comparison

The nubia Z20’s display achieves a measured peak brightness of 615 nits, a respectable figure, but the Pixel 4 XL’s panel specifications are not provided. Both devices feature an 'Infinite' (nominal) contrast ratio, suggesting deep blacks. The lack of refresh rate data for either device means neither can be considered a gaming-focused display. The nubia Z20’s dual-screen setup is a unique differentiator, offering increased screen real estate for multitasking, though at the cost of added bulk.

Camera Comparison

Both devices are listed as having 'Photo / Video' capabilities, but detailed camera specifications are absent. The Pixel 4 XL is renowned for its computational photography, leveraging Google’s software algorithms to produce excellent image quality, particularly in challenging lighting conditions. Without sensor size or aperture data for the nubia Z20, it’s difficult to assess its camera performance relative to the Pixel 4 XL. The Pixel 4 XL’s strength lies in its image processing, while the nubia Z20’s camera remains an unknown quantity based on the provided data.

Performance

Both phones utilize the Qualcomm Snapdragon 855+ chipset, fabricated on a 7nm process. However, the nubia Z20’s CPU configuration (1x2.96 GHz Kryo 485, 3x2.42 GHz Kryo 485, 4x1.78 GHz Kryo 485) has a slightly higher peak clock speed compared to the Pixel 4 XL’s (1x2.84 GHz Kryo 485, 3x2.42 GHz Kryo 485, 4x1.78 GHz Kryo 485). While the difference is marginal, it could translate to slightly faster performance in CPU-intensive tasks. Both devices share 6GB of RAM, but the Pixel 4 XL is available with 128GB storage for $364.52 or 64GB for $274.99, offering more storage options.

Battery Life

The nubia Z20’s 100-hour endurance rating is a significant advantage over the Pixel 4 XL’s 73-hour rating. This translates to considerably longer usage between charges. Both devices support 27W (nubia Z20) and 18W (Pixel 4 XL) wired charging with PD2.0, but the nubia Z20’s faster charging speed will result in quicker top-ups. The Pixel 4 XL also offers wireless charging, a feature absent on the nubia Z20.

Buying Guide

Buy the ZTE nubia Z20 if you need exceptional battery life, are intrigued by the dual-screen functionality, and prioritize value. It’s ideal for power users, travelers, or anyone who frequently finds themselves away from a charger. Buy the Google Pixel 4 XL if you prefer a streamlined Android experience, prioritize camera performance, and value Google’s software features like Call Screen and Now Playing, even if it means sacrificing battery life.

Frequently Asked Questions

❓ How much does the dual-screen functionality of the nubia Z20 impact real-world battery life?
While the nubia Z20 boasts a 100-hour endurance rating, using both screens simultaneously will naturally reduce battery life. The extent of the reduction depends on the apps being used and the brightness levels. However, even with dual-screen usage, the nubia Z20 is likely to outperform the Pixel 4 XL in overall battery longevity.
❓ Is the Pixel 4 XL’s camera still competitive in 2024, despite being an older model?
Yes, the Pixel 4 XL’s camera remains highly competitive due to Google’s exceptional software processing. Its ability to capture detailed images with accurate colors and excellent dynamic range holds up well against newer smartphones, particularly in well-lit conditions. Low-light performance is also a strong suit.
❓ Does the Snapdragon 855+ in the nubia Z20 experience significant thermal throttling during extended gaming sessions?
The Snapdragon 855+ is known to generate heat under sustained load. While the nubia Z20’s cooling solution isn’t detailed, the larger chassis afforded by the dual-screen design *may* provide better thermal headroom compared to more compact phones with the same chipset. However, some throttling is still likely during prolonged gaming.