Nubia Z20 vs Xiaomi Black Shark GS3

Comparing the Nubia Z20 (2019) and the Xiaomi Black Shark GS3 (2025) on specs and benchmarks. By overall MobileRank rating, the Nubia Z20 leads — 16/100 vs 5/100 (a 11-point difference).

The Nubia Z20 is noticeably better than the Xiaomi Black Shark GS3 — the overall rating gap is 11 points.
Profile comparison
Category scores
Nubia Z20
Performance 2
Display 0
Camera 32
Battery 13
Design 67
Value for money 55
Xiaomi Black Shark GS3
Performance 0
Display 0
Camera 0
Battery 0
Design 50
Value for money 55
What makes Nubia Z20 better?

  • Higher performance (2/100 vs 0/100)
  • Better camera (32/100 vs 0/100)
  • Longer battery life (13/100 vs 0/100)
  • Better design/ergonomics (67/100 vs 50/100)
What makes Xiaomi Black Shark GS3 better?

  • Overall rating 5/100
Comparison verdict

Comparing the Nubia Z20 vs the Xiaomi Black Shark GS3, the Nubia Z20 scores 11 points higher (16/100 vs 5/100). In the "camera" category, the Nubia Z20 leads (32/100 vs 0/100). In the "battery" category, the Nubia Z20 leads (13/100 vs 0/100). In the "performance" category, the Nubia Z20 and the Xiaomi Black Shark GS3 are nearly equal (2/100 vs 0/100). In the "display" category, both devices are on the same level — 0/100. In the "camera" category, the Nubia Z20 significantly outperforms the Xiaomi Black Shark GS3 (32/100 vs 0/100). In the "battery" category, the Nubia Z20 is a bit better (13/100 vs 0/100). In the "design" category, the Nubia Z20 notably outperforms the Xiaomi Black Shark GS3 (67/100 vs 50/100). In the "value for money" category, both devices are on the same level — 55/100.

Nubia Z20: The Nubia Z20 is a better fit for everyday use.
Xiaomi Black Shark GS3: The Xiaomi Black Shark GS3 is a better fit for everyday use.
Specs comparison
Specification Nubia Z20 Xiaomi Black Shark GS3
Processor Qualcomm Snapdragon 855+
AnTuTu 859084
Geekbench Single 1031
Geekbench Multi 2864
Display 6.4" AMOLED 1.4" AMOLED
Resolution 1080x2340 466x466
Refresh rate
Battery 4000 mAh
Charging 27W
Main camera 48 MP
Ultrawide 16 MP 0 MP
Telephoto 8 MP 0 MP
Front camera
RAM 6GB / 8GB
Storage 128GB / 512GB
OS Android 9.0 (Pie); Nubia UI 7
Brightness (peak) 600 nits
NFC no no
Protection IP68
Dimensions 158.6×75.2×9.2 mm
Weight 186 g
Price
Camera comparison
Nubia Z20
  • Main: 48MP f/f/1.7
  • Ultrawide: 16MP
  • Telephoto: 8MP
  • Front: —
32
camera
Xiaomi Black Shark GS3
  • Main: —
  • Front: —
0
camera
Display comparison
Nubia Z20
  • 6.4" AMOLED
  • Resolution: 1080x2340
  • Refresh rate: —
0
display
Xiaomi Black Shark GS3
  • 1.4" AMOLED
  • Resolution: 466x466
  • Refresh rate: —
0
display
Battery and charging
Nubia Z20
  • 4000 mAh
  • Wired: 27W
  • No wireless charging
13
battery
Xiaomi Black Shark GS3
  • No wireless charging
0
battery
Benchmarks
Detailed category analysis
performance

In the "performance" category, the Nubia Z20 and the Xiaomi Black Shark GS3 are nearly equal (2/100 vs 0/100).

display

In the "display" category, both devices are on the same level — 0/100.

camera

In the "camera" category, the Nubia Z20 significantly outperforms the Xiaomi Black Shark GS3 (32/100 vs 0/100).

battery

In the "battery" category, the Nubia Z20 is a bit better (13/100 vs 0/100).

design

In the "design" category, the Nubia Z20 notably outperforms the Xiaomi Black Shark GS3 (67/100 vs 50/100).

value for money

In the "value for money" category, both devices are on the same level — 55/100.

Frequently asked questions
Which is better: the Nubia Z20 or the Xiaomi Black Shark GS3?

The Nubia Z20 is noticeably better than the Xiaomi Black Shark GS3 — the overall rating gap is 11 points.

What is the rating of the Nubia Z20 and the Xiaomi Black Shark GS3?

The Nubia Z20 has a MobileRank rating of 16/100, the Xiaomi Black Shark GS3 — 5/100.

Which has the better camera: the Nubia Z20 or the Xiaomi Black Shark GS3?

The Nubia Z20 leads on camera score (32/100 vs 0/100).

Should you choose the Nubia Z20 over the Xiaomi Black Shark GS3?

The Nubia Z20 is a better fit for everyday use. The Xiaomi Black Shark GS3 is a better fit for everyday use.