Nubia Z20 vs Asus ROG Phone 2

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Comparing the Nubia Z20 vs Asus ROG Phone 2 across performance, display, camera, battery and storage to help determine the better smartphone.

Here is the summary of the results:

Performance: Both Nubia Z20 and Asus ROG Phone 2 run at the same processing speed of 2.96 GHz.


Display: Asus ROG Phone 2 offers a screen size of 6.59 inches, while Nubia Z20 offers 6.42 inches, making Asus ROG Phone 2 the larger display of the two. Both Nubia Z20 and Asus ROG Phone 2 feature the same AMOLED display.


Rear Camera: Both Nubia Z20 and Asus ROG Phone 2 feature a 48 MP primary rear camera.


Front Camera: Nubia Z20 offers a higher front camera resolution with 48 MP, while Asus ROG Phone 2 offers 24 MP, making Nubia Z20 better for front camera photography.


Battery: Nubia Z20 delivers longer battery life with None, while Asus ROG Phone 2 delivers 16h 08m, making Nubia Z20 the better pick for all day usage.


Storage: Both Nubia Z20 and Asus ROG Phone 2 offer the same internal storage of 128 GB.

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Nubia Z20
₹35,190
(Not Released in India)
Asus ROG Phone 2
₹40,999
(Out of Stock)
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Summary

Release Date

19 Mar, 2021
08 Oct, 2019
14 May, 2026

Performance

Snapdragon 855 Plus
Snapdragon 855 Plus
Snapdragon 8 Elite Gen 5
Octa Core (upto 2.96 GHz)
Octa Core (upto 2.96 GHz)
Octa Core (upto 4.61 GHz)
6 GB RAM
8 GB RAM
16 GB RAM

Main Display

6.42 inches (16.31 cm)
6.59 inches (16.74 cm)
6.82 inches (17.32 cm)
AMOLED
AMOLED
AMOLED
1080x2340 px (FHD)
1080x2340 px (FHD+)
1440x3168 px (QHD+)
N/A
120 Hz Refresh Rate
144 Hz Refresh Rate

Cover Display

5.1 inches (12.95 cm)
N/A
N/A
720x1520 px
N/A
N/A

Rear Camera

48 MP
Primary Camera
48 MP
Primary Camera
200 MP
Primary Camera (upto 3.7x Optical Zoom)
16 MP
Ultra-Wide Angle Camera
13 MP
Ultra-Wide Angle Camera
200 MP
Telephoto Camera
8 MP
Telephoto Camera (upto 3x Optical Zoom)
N/A
50 MP
Ultra-Wide Angle Camera

Front Camera

48 MP + 16 MP
24 MP
50 MP

Battery

4000 mAh
6000 mAh
6600 mAh
Quick Charging
Hyper Charging
100W Flash Charging
N/A
N/A
Wireless Charging

Storage

128 GB
128 GB
512 GB
N/A
UFS 3.0
UFS 4.1

Expert Review

N/A
N/A
8.7/10

Pros

  • Device yet to be reviewed
  • Device yet to be reviewed
  • Stellar and versatile three-lens camera system
  • Excellent performance
  • Bright and crisp 2K AMOLED display

Cons

  • Device yet to be reviewed
  • Device yet to be reviewed
  • Battery life could have been better
  • Very expensive with camera kit
  • No shortcut key

User Ratings

N/A
4.6/5
(11,107 ratings)
4.6/5
(29 ratings)

Benchmarks (The higher, the better)

N/A
353,469
AnTuTu Score
3,977,648
AnTuTu Score
N/A
16h 08m
Battery Life (PC Mark)
15h 10m
Battery Life (PC Mark)

Compare Prices

Not Available in any store
Not Available in any store
₹159,999

Video

There are no videos available for the device.
Videos
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Videos
1 Video

User Feedback

General

Launch Date

N/A
Oct 08, 2019
(Official)
May 06, 2026
(Official)

Operating System

Android v9.0 (Pie)
Android v9.0 (Pie)
Android v16

OS Updates

N/A
N/A
5 Year

Security Updates

N/A
N/A
7 Year

Custom UI

Nubia UI
N/A
Origin OS

Performance

Performance Rating

Very Good
Very Good
Best In Class

Chipset

Qualcomm Snapdragon 855 Plus
Qualcomm Snapdragon 855 Plus
Qualcomm Snapdragon 8 Elite Gen 5 SM8850-AC

Processor

Octa core

2.96 GHz, Single core, Kryo 485 2.42 GHz, Tri core, Kryo 485 1.8 GHz, Quad core, Kryo 485
Octa core

2.96 GHz, Single core, Kryo 485 2.42 GHz, Tri core, Kryo 485 1.8 GHz, Quad core, Kryo 485
Octa core

4.61 GHz, Dual core, Oryon 3.62 GHz, Hexa Core, Oryon

Architecture (The higher, the better)

64 bit
64 bit
64 bit

Fabrication (The lower, the better)

N/A
7 nm
3 nm

Graphics (GPU)

Adreno 640
Adreno 640
Adreno 840

RAM

6 GB
8 GB / 12 GB
16 GB

RAM Type

LPDDR4X
LPDDR4X
LPDDR5X Ultra

Performance Test Results

AnTuTu Score (The higher, the better) AnTuTu benchmark measures overall performance of a phone by stress-testing CPU, GPU, RAM, etc.

N/A
353,469
3,977,648

Bootup Time (The lower, the better)

N/A
13.0 s
14.0 s

Gaming Test Results

Wild Life Extreme (The higher, the better) Wild Life Extreme is a classic mobile benchmark; it renders in 4K to test the peak performance of a wide range of devices.

N/A
N/A
6,450

Battery Drain* (The lower, the better)

N/A
1.0 %
7.0 %

Heating* (The lower, the better)

N/A
16.7 %
21.7 %
* after 30 mins of gaming

Display

Display Rating

Best In Class
Excellent
Best In Class

Display Type

AMOLED (Curved Display)
AMOLED
AMOLED

Screen Size

6.42 inches  (16.31 cm)
6.59 inches  (16.74 cm)
6.82 inches  (17.32 cm)

Resolution

1080x2340 px (FHD)
1080x2340 px (FHD+)
1440x3168 px (QHD+)

Peak Brightness

N/A
N/A
4500 nits

Refresh Rate

N/A
120 Hz
144 Hz

Aspect Ratio

19.5:9
19.5:9
19.8:9

Pixel Density

401 ppi
391 ppi
510 ppi

Screen to Body Ratio (calculated)

84.65 %
80.21 %
89.7 %

Screen Protection

N/A
Corning Gorilla Glass v6
Yes

Bezel-less Display

Yes
Yes
Yes with punch-hole display

HDR 10 / HDR+ Support

N/A
Yes
Yes

Screen to Body Ratio (claimed by the brand)

N/A
N/A
94.49 %

Design

Height

158.6 mm
170.9 mm
162.98 mm

Width

75.2 mm
77.6 mm
76.81 mm

Thickness

9 mm
9.4 mm
8.19 mm

Weight

186 grams
240 grams
232 grams

Build Material

N/A
Back: Gorilla Glass
Back: Glass

Rear Camera

Rear Camera Rating

Very Good
Very Good
Best In Class

Resolution

48 MP
Primary Cameraf/1.71/2.25" sensor size IMX586 Exmor-RS CMOS Sensor 0.8µm pixel size
48 MP
Primary Cameraf/1.7926 mm focal length 1/2" sensor size IMX586 Exmor-RS CMOS Sensor 0.8µm pixel size
200 MP
Primary Camera105x Digital Zoom 3.7x Optical Zoomf/1.8535 mm focal length LYT 901 0.7µm pixel size
16 MP
Ultra-Wide Angle Camera
13 MP
f/2.4 Ultra-Wide Angle Camera11 mm focal length
200 MP
f/2.67 Telephoto Camera85 mm focal length 1/1.28" sensor size
8 MP
Telephoto Camera
N/A
50 MP
f/2.0 Ultra-Wide Angle Camera14 mm focal length

Autofocus

Yes
Yes Phase Detection Autofocus
Yes

OIS

Yes
N/A
Yes

Flash

Yes Dual LED Flash
Yes LED Flash
Yes Dual LED Flash

Image Resolution

8000 x 6000 Pixels
8000 x 6000 Pixels
N/A

Settings

Exposure compensation
Exposure compensation ISO control
N/A

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)
Continuous Shooting
High Dynamic Range mode (HDR)
N/A

Camera Features

Auto Flash
Face detection
Touch to focus
Digital Zoom
Auto Flash
Face detection
Touch to focus
105 x Digital Zoom
3.7 x Optical Zoom

Video Recording

N/A
4k @30 fps
Full HD @60 fps
8k @30 fps
4k @30/60/120 fps
Full HD @30/60/120 fps

Front Camera

Front Camera Rating

Excellent
Very Good
Best In Class

Resolution

48 MP
f/1.7 Primary CameraExmor RS 0.8µm pixel size
24 MP
f/2.0 Primary Camera27 mm focal length
50 MP
f/2.45 Primary Camera
16 MP
Ultra-Wide Angle 122° field-of-view Camera
N/A
N/A
8 MP
Camera
N/A
N/A

Autofocus

Yes
N/A
N/A

Flash

Yes Dual LED
N/A
Yes Screen flash

Video Recording

N/A
Full HD @30 fps
N/A

Battery

Battery Rating

Excellent
Very Good
Excellent

Capacity

4000 mAh
6000 mAh
6600 mAh

Battery Type

Li-ion
Li-Polymer
Li-ion

TalkTime

N/A
Up to 52 Hours(3G)
N/A

Quick Charging

Yes Quick Charging v4.0
Yes Hyper Charging
Yes 100W Flash Charging

Wireless Charging

N/A
N/A
Yes 40W Wireless Charging

Battery Test Results

Battery Life (PC Mark) (The higher, the better) PCMark Battery benchmark measures battery life of a phone with various activities such as web browsing, photo editing, writing, video editing, etc.

N/A
16h 08m
15h 10m

Charging Time (20% to 100%) (The lower, the better)

N/A
2h 2m 30s
0h 36m 0s

Storage

Internal Storage

128 GB
128 GB / 512 GB
512 GB

Storage Type

N/A
UFS 3.0
UFS 4.1

Expandable Storage

No
No
N/A

Network & Connectivity

SIM Slot(s)

Dual SIM
Dual SIM
Dual SIM

SIM Type

SIM1: Nano SIM2: Nano
SIM1: Nano SIM2: Nano
SIM1: Nano SIM2: Nano

Network Support

5G Not Supported 4G
5G Not Supported 4G
5G 4G

VoLTE

Yes
Yes
Yes

SIM 1

4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 1900(band 2) / 1700(band 4) / 850(band 5) / 850(band 18) / 850(band 19) / 800(band 20) / 850(band 26)
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5)
5G Bands:
FDD N1 / N2 / N3 / N5 / N7 / N8 / N12 / N18 / N20 / N25 / N26 / N28 / N66
TDD N38 / N40 / N41 / N48 / N77 / N78 / N79 / N80 / N81 / N83 / N84 / N89
N/A
N/A
4G Bands:
TD-LTE 3500(band 48) / 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39) / 3500(band 42) / 3700(band 43)
FD-LTE 1700(band 66) / 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 1900(band 25) / 850(band 26)
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SIM 2

4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 1900(band 2) / 1700(band 4) / 850(band 5) / 850(band 18) / 850(band 19) / 800(band 20) / 850(band 26)
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5)
5G Bands:
FDD N1 / N2 / N3 / N5 / N7 / N8 / N12 / N18 / N20 / N25 / N26 / N28 / N66
TDD N38 / N40 / N41 / N48 / N77 / N78 / N79 / N80 / N81 / N83 / N84 / N89
N/A
N/A
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39) / 3500(band 42) / 3700(band 43) / 3500(band 48)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 12) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 1900(band 25) / 850(band 26) / 1700(band 66)
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Wi-Fi

Yes Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz MIMO
Yes Wi-Fi 5 (802.11 a/b/g/n/ac) MIMO
Yes Wi-Fi 7 (802.11 be/ax) MIMO

Wi-Fi Features

Mobile Hotspot
Wi-Fi Direct Mobile Hotspot
Wi-Fi Direct Mobile Hotspot

Bluetooth

Yes v5.0
Yes v5.0
Yes v6.0

GPS

Yes with A-GPS
Yes with A-GPS Glonass
Yes with A-GPS Glonass

NFC

N/A
Yes
Yes

IR Blaster

N/A
N/A
Yes

Multimedia

Audio Jack

USB Type-C
3.5 mm
USB Type-C

Audio Features

N/A
DTS Sound
N/A

Sensors

Fingerprint Sensor

Yes
Yes
Yes

Fingerprint Sensor Position

On-screen
On-screen
On-screen

Fingerprint Sensor Type

N/A
Optical
Ultrasonic

Other Sensors

Light sensor Proximity sensor Accelerometer Compass Gyroscope
Light sensor Proximity sensor Accelerometer Compass Gyroscope
Light sensor Proximity sensor Accelerometer Compass Gyroscope

Compare Prices

Not Available in any store
Not Available in any store
₹159,999