ASUS Zenfone 4 Pro ZS551KL

Name: ASUS Zenfone 4 Pro ZS551KL
Brand: ASUS

ASUS · 2017 12.08.2026

ASUS Zenfone 4 Pro ZS551KL (2017) is a budget phone from ASUS. MobileRank rating: 31/100. Performance 33/100, camera 17/100, battery 13/100, display 56/100, portability 78/100.

Qualcomm Snapdragon 835

3600 mAh

12 MP

$599

Faster than 25% of smartphones in AnTuTu

Specifications

Processor	Qualcomm Snapdragon 835
Display	5.5" AMOLED, 1080x1920, 60Hz
RAM	6GB
Storage	64GB / 128GB
Battery	3600 mAh · ≈7.0 hrs of active use*
Charging	18W / No wireless charging
OS	Android 7.1.1 Nougat
Dimensions	156.9 × 75.6 × 7.6 mm
Weight	175g
NFC	yes
Launch price	$599

* battery life is an estimated figure based on capacity, display, and chipset — not a lab measurement.

Cameras

Main	12MP f/1.7
Telephoto	16MP
Front	8MP

Benchmarks

AnTuTu 438016

Geekbench Single 427

Geekbench Multi 1500

Based on AnTuTu results, ASUS Zenfone 4 Pro ZS551KL is faster than 25% of smartphones in our database. This device is from the budget segment.

Performance

Overview and verdict

The ASUS Zenfone 4 Pro ZS551KL combines budget phone-level performance with a basic camera and a compact battery. The overall MobileRank rating is 31/100 (budget phone, 2017). The Qualcomm Snapdragon 835 chipset scores 438,016 in AnTuTu (rated 33/100). Battery capacity is 3600 mAh, charging up to 18W (battery score: 13/100).

Pros

Lightweight body (175g)
Optical zoom (16 MP telephoto)

Cons

Limited performance for demanding games
Modest camera capabilities
Small battery (3600 mAh)
Slow charging (18W)
No wireless charging

Best for: The ASUS Zenfone 4 Pro ZS551KL has no pronounced profile: its best category is portability (78/100), its weakest battery life (13/100).

Launch price and where to check today's

$599 Launch price

This is the launch price. We do not track current retail prices and make no claim about whether today's is higher or lower: check the stores below. Prices vary by store, region, and configuration.

Yandex Market Ozon Wildberries

Frequently asked questions

What processor does the ASUS Zenfone 4 Pro ZS551KL have?

The ASUS Zenfone 4 Pro ZS551KL runs on the Qualcomm Snapdragon 835 chipset. It scores 438,016 points in AnTuTu.

What is the ASUS Zenfone 4 Pro ZS551KL's rating?

The ASUS Zenfone 4 Pro ZS551KL scores 31 out of 100 in the MobileRank rating. Categories: performance 33/100, camera 17/100, battery 13/100, display 56/100, portability 78/100.

How much does the ASUS Zenfone 4 Pro ZS551KL cost?

At launch the ASUS Zenfone 4 Pro ZS551KL cost $599. We do not track current retail prices. Value for money at launch: 0/100.

What battery does the ASUS Zenfone 4 Pro ZS551KL have?

The ASUS Zenfone 4 Pro ZS551KL has a 3600 mAh battery with 18W charging. Battery score: 13/100.

Is the ASUS Zenfone 4 Pro ZS551KL worth buying?

The ASUS Zenfone 4 Pro ZS551KL has no pronounced profile: its best category is portability (78/100), its weakest battery life (13/100). Overall rating — 31/100 (budget phone).

MobileRank rating

Device profile

Category scores

Performance 33

Display 56

Camera 17

Battery 13

Portability 78

Value for money 0

The score is built from the five categories below (weights are in the methodology); 100% of the weight is known. Value for money is computed separately and is not part of the overall score. How the rating works →