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Asus Zenfone Max Pro (M2) ZB631KL Specs, review, opinions, comparisons

The Asus Zenfone Max Pro (M2) ZB631KL is a 2018 model featuring a 6.26-inch IPS LCD display, 12MP camera, and a 5000 mAh battery. Read more about the features of the Zenfone Max Pro (M2) ZB631KL to see if it's right for you.
Added on 12.06.18 | Last update 01.23.20
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Key Features

  • Release Date:  2018, December
  • Price
  • Chipset: Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Processor: Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
  • Memory: 64 GB, 4/6 GB RAM 32 GB, 3 GB RAM
  • Display: IPS LCD 6.26 inches, 1080 x 2280
  • Main Camera:  Dual, 12MP
  • Selfie Camera:  Single, 13MP
  • OS: Android 8.1 (Oreo)
  • Dimensions: 157.9 x 75.5 x 8.5 mm
  • Weight: 175 g
  • Battery:  5000 mAh,  Non-removable Li-Po

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Discover the complete range of Asus Zenfone Max Pro (M2) ZB631KL specifications in the detailed specs table below.

Linked models: Asus Zenfone Max Shot ZB634KL | Asus Zenfone Max Plus (M2) ZB634KL | Asus Zenfone Max (M2) ZB633KL | Asus Zenfone Max (M1) ZB556KL |

Asus Zenfone Max Pro (M2) ZB631KL specs

General specs

Brand and model

Asus Zenfone Max Pro (M2) ZB631KL

Release date

2018, December


157.9 x 75.5 x 8.5 mm (6.22 x 2.97 x 0.33 in)


175 g (6.17 oz)

Body build

Front glass, plastic body


Blue, Titanium


5000 mAh,  Non-removable Li-Po





capacitive touchscreen

Display colors


Screen size

6.26" inc

Screen area

97.8 cm2

Screen format

19:9 (height:width)

Screen to body ratio


Screen resolution

1080 x 2280 px

PPI /points per inch/

403 PPI

Screen protection

Corning Gorilla Glass 6

Camera and Video

Rear camera, main

12 MP, Dual

Camera specs

-12 MP, f/1.8, 1/2.9'', 1.25μm, PDAF
-5 MP, f/2.4, 1.12µm, depth sensor


LED flash, HDR, panorama

Video 2160p@30fps, 1080p@30/60fps, gyro-EIS
Front (selfie) camera

13 MP, Single


13MP, f/2.0, 1.12µm


LED flash, HDR

Video 1080p@30fps


Operating system OS

Android 8.1 (Oreo)


Qualcomm SDM660 Snapdragon 660 (14 nm)

Other models with the same chipset include: Cat S62, Cat S62 Pro, Nokia 7.2, Xiaomi Redmi Note 7S, vivo Z3x, Nokia X71, Huawei Y Max, Xiaomi Redmi Note 7, Lenovo S5 Pro GT, Asus Zenfone Max Pro (M2) ZB631KL
Processor CPU

- Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)

Graphics processor GPU

- Adreno 512

External memory

microSD, up to 512 GB (dedicated slot)

Internal memory

64 GB, 4/6 GB RAM 32 GB, 3 GB RAM

Communication and Connectivity

SIM card Dual SIM (Nano-SIM, dual stand-by)
Network GSM / HSPA / LTE
Show all network frequencies:
Speed HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat9 450/50 Mbps
Edge Yes
Wi-Fi Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot
USB microUSB 2.0, USB On-The-Go
Bluetooth 5.0, A2DP, LE

Music and Audio

Radio FM radio
Headphone jack Yes
- Active noise cancellation with dedicated mic

Other features

- Sensors - Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
- Charging 5V/2A 10W


GeekBench 6 Single Core311 (Position 432 out of 529)
GeekBench 6 Multi Core1048 (Position 394 out of 528)
GeekBench 5 Single Core291 (Position 1244 out of 1886)
GeekBench 5 Multi-Core1204 (Position 1174 out of 1875)
Disclaimer: This information is based on public data and official specifications from Asus. However, there may be differences in specifications.
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Frequently Asked Questions

The base approximate price of the Asus Zenfone Max Pro (M2) ZB631KL was around after it was officially announced. At this point, the price may be lower.
The official release date is 2018, December.
The weight of the Asus Zenfone Max Pro (M2) ZB631KL is 175 g.
The screen size of the Asus Zenfone Max Pro (M2) ZB631KL is 6.26" inches.
The size of the Asus Zenfone Max Pro (M2) ZB631KL is 157.9 x 75.5 x 8.5 mm (HxWxD).