Asus Zenfone 5Z 256GB vs Blackberry KEY2

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Comparing the Asus Zenfone 5Z 256GB vs Blackberry KEY2 across performance, display, camera, battery, storage, expert reviews and user rating to help determine the better smartphone.

Here is the summary of the results:

Performance: Asus Zenfone 5Z 256GB runs at a higher processing speed of 2.8 GHz, while Blackberry KEY2 runs at 2.2 GHz, making Asus Zenfone 5Z 256GB the better performer.


Display: Asus Zenfone 5Z 256GB offers a screen size of 6.2 inches, while Blackberry KEY2 offers 4.5 inches, making Asus Zenfone 5Z 256GB the larger display of the two. Both Asus Zenfone 5Z 256GB and Blackberry KEY2 feature the same IPS LCD display.


Rear Camera: Both Asus Zenfone 5Z 256GB and Blackberry KEY2 feature a 12 MP primary rear camera.


Front Camera: Both Asus Zenfone 5Z 256GB and Blackberry KEY2 feature a 8 MP primary front camera.


Battery: Blackberry KEY2 offers a higher battery capacity with 3500 mAh, while Asus Zenfone 5Z 256GB offers 3300 mAh, making Blackberry KEY2 better for longer battery life.


Storage: Blackberry KEY2 offers higher internal storage with 64 GB, while Asus Zenfone 5Z 256GB offers 256 GB, making Blackberry KEY2 the better option for storage.


Expert Review: Asus Zenfone 5Z 256GB receives a higher expert rating of 8 from the editorial team, while Blackberry KEY2 is rated 7.


User Rating: Asus Zenfone 5Z 256GB receives a higher user rating of 4.5, while Blackberry KEY2 has a rating of 4.1.

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Asus Zenfone 5Z 256GB
Asus Zenfone 5Z 256GB
Asus Zenfone 5Z 256GB
Asus Zenfone 5Z 256GB
Asus Zenfone 5Z 256GB
Asus Zenfone 5Z 256GB
₹43,999
(Out of Stock)
✕
Blackberry KEY2
Blackberry KEY2
Blackberry KEY2
Blackberry KEY2
Blackberry KEY2
₹39,999
(Out of Stock)
Add to Compare

Summary

Spec Score

79%
74%

Release Date

30 Jul, 2018
31 Jul, 2018

Performance
Snapdragon 845
Snapdragon 660
Octa Core (upto 2.8 GHz)
Octa Core (upto 2.2 GHz)
8 GB RAM
6 GB RAM

Display
6.2 inches (15.75 cm)
4.5 inches (11.43 cm)
IPS LCD
IPS LCD
1080x2246 px (FHD+)
1080x1620 px (FULL HD)

Rear Camera
12 MP
Wide Angle Primary Camera
12 MP
Primary Camera
8 MP
Camera
12 MP
Camera

Front Camera
8 MP
Wide Angle Lens
8 MP

Battery
3300 mAh
3500 mAh
Quick Charging
Quick Charging
No Wireless Charging
N/A

Storage

256 GB
64 GB

Expert Review

8.0/10
Read Expert Review
7.0/10
Read Expert Review

Pros

  • Gorgeous display
  • Powerful hardware
  • Wide-angle camera setup offers impressive images
  • Solid pricing
  • Solid build quality with a physical keyboard
  • Smooth performance
  • Versatile software with a focus on security
  • Great battery life

Cons

  • Heats up while gaming or using hotspot
  • Selfie camera struggles in dim settings
  • The keyboard isn't for everyone
  • Sub-par cameras
  • Priced steeply

User Ratings

4.5/5
(4,326 ratings)
4.1/5
(378 ratings)

Compare in 360 View

Video

Videos
3 More Videos
Videos
1 More Video

User Feedback

General

Launch Date

Jul 30, 2018
(Official)
Jul 31, 2018
(Official)

Operating System

Android v8.0 (Oreo)
Android v8.1 (Oreo)

Custom UI

Zen UI
N/A

Performance

Performance Rating

Good
Good

Chipset

Qualcomm Snapdragon 845
Qualcomm Snapdragon 660 MSM8956

Processor

Octa core

2.8 GHz, Quad core, Kryo 385 1.8 GHz, Quad core, Kryo 385
Octa core

2.2 GHz, Quad core, Kryo 260 1.8 GHz, Quad core, Kryo 260

Architecture (The higher, the better)

64 bit
64 bit

Fabrication (The lower, the better)

10 nm
N/A

Graphics (GPU)

Adreno 630
Adreno 512

RAM

6 GB / 8 GB
6 GB

RAM Type

LPDDR4X
N/A

Display

Display Rating

Excellent
Excellent

Display Type

IPS LCD
IPS LCD

Screen Size

6.2 inches  (15.75 cm)
4.5 inches  (11.43 cm)

Resolution

1080x2246 px (FHD+)
1080x1620 px (FULL HD)

Aspect Ratio

19:9
3:2

Pixel Density

402 ppi
433 ppi

Screen to Body Ratio (calculated)

83.64 %
55.57 %

Screen Protection

Corning Gorilla Glass
Corning Gorilla Glass v3

Bezel-less Display

Yes with notch
N/A

Screen to Body Ratio (claimed by the brand)

90 %
N/A

Design

Height

153 mm
151.4 mm

Width

75.6 mm
71.8 mm

Thickness

7.8 mm
8.5 mm

Weight

155 grams
168 grams

Build Material

Back: Aluminium
N/A

Rear Camera

Rear Camera Rating

Very Good
Good

Resolution

12 MP
Primary Cameraf/1.8 Wide Angle25 mm focal length 1/2.55" sensor size IMX363 Exmor-RS CMOS Sensor 1.4µm pixel size
12 MP
Primary Cameraf/1.8CMOS image sensor
8 MP
f/2.212 mm focal length
12 MP
f/2.61µm pixel size

Autofocus

Yes Phase Detection Autofocus
Yes Phase Detection Autofocus

OIS

Yes
No

Flash

Yes Dual-color LED Flash
Yes Dual-color LED Flash

Image Resolution

4000 x 3000 Pixels
4000 x 3000 Pixels

Settings

Exposure compensation ISO control
Exposure compensation ISO control

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)
Continuous Shooting
High Dynamic Range mode (HDR)

Camera Features

Digital Zoom
Auto Flash
Face detection
Touch to focus
Auto Flash
Face detection
Touch to focus

Video Recording

4k @30 fps
Full HD @60 fps
HD @30 fps
4k @30 fps

Front Camera

Front Camera Rating

Very Good
Very Good

Resolution

8 MP
f/2.0 Wide Angle Primary Camera24 mm focal length 1/4.0" sensor size 1.12µm pixel size
8 MP
Primary CameraCMOS

Flash

N/A
Yes Screen flash

Camera Features

N/A
Fixed Focus

Video Recording

N/A
Full HD @30 fps

Compare Camera Samples

Asus Zenfone 5Z 256GB
Blackberry KEY2
Asus Zenfone 5Z 256GB
Blackberry KEY2
Asus Zenfone 5Z 256GB
Blackberry KEY2
Asus Zenfone 5Z 256GB
Blackberry KEY2

Battery

Battery Rating

Very Good
Very Good

Capacity

3300 mAh
3500 mAh

Battery Type

Li-ion
Li-ion

TalkTime

Up to 25.5 Hours(3G)
N/A

Quick Charging

Yes Quick Charging v3.0
Yes Quick Charging v3.0

Storage

Internal Storage

64 GB / 128 GB / 256 GB
64 GB / 128 GB

Expandable Storage

Yes Up to 2 TB
Yes Up to 256 GB

Network & Connectivity

SIM Slot(s)

Dual SIM
Dual SIM

SIM Type

SIM1: Nano SIM2: Nano (Hybrid)
SIM1: Nano SIM2: Nano (Hybrid)

Network Support

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

VoLTE

Yes
Yes

SIM 1

4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 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) / 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) / 700(band 13) / 700(band 17) / 850(band 19) / 800(band 20) / 850(band 26)
4G Speed:
150 Mbit/s ↑ 800 Mbit/s ↓ (LTE category 13)
N/A
View More

SIM 2

4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 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) / 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) / 700(band 13) / 700(band 17) / 850(band 19) / 800(band 20) / 850(band 26)
4G Speed:
150 Mbit/s ↑ 800 Mbit/s ↓ (LTE category 13)
N/A
View More

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) 5GHz

Wi-Fi Features

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

Bluetooth

Yes v5.0
Yes v5.0

GPS

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

NFC

Yes
Yes

Multimedia

Audio Jack

3.5 mm
3.5 mm, USB Type-C

Sensors

Fingerprint Sensor

Yes
Yes

Fingerprint Sensor Position

Rear
N/A

Other Sensors

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