Review: Zephyrus S the ultra slim performer

The Zephyrus S GX531GW is an expensive and ultra slim gaming device from ASUS.  The chassis of the ASUS Zephyrus S is built with magnesium alloy. The top chassis of the laptop designed with brushed and matte finish. For the good build quality, this laptop has military grade toughness certified. Its thickness is slim like the other ultra-book from the market. According to gaming laptops it is very thin but not that light. The weight of this device is a little higher than 2 kg.

In the box:

•    ASUS ROG Gladius II gaming mouse

•    ASUS ROG Cerberus V1 headset

•    ROG Sleeve case

•    230 Watt Power brick.

This laptop equipped with Intel 8th generation’s 14nm microprocessor - Core i7-8750H.

Intel Core i7-8750H:

Base Clock: 2.2GHz

Boost Clock: 4.1GHz

Core: 6


Total L1 Cache: 384KB

Total L2 Cache: 1.5MB

Total L3 Cache: 9MB

Bus Speed: 8GT/s

Memory Bandwidth:

Single Channel: 20 GB/s 

Dual Channel: 40 GB/s

Processor Graphics: UHD 630

This gaming laptop has a discrete GPU- GeForce RTX 2070 Max-Q with NVIDIA Turing Architecture, 8GB GDDR6 VRAM. This 256bit GPU has 2304 CUDA cores.

GeForce RTX 2070 Max-Q:

Base Clock: 885 MHz

Boost Clock: 1185 MHz

Memory Clock: 1750 MHz 

Memory Bandwidth: 448.0 GB/s

TMUs: 144

ROPs: 64

SM: 36

TDP: 90W

Tensor Cores: 288

RT Cores: 36

Pixel Rate:75.84 GPixel/s

Texture Rate: 170.6 GTexel/s

Zephyrus S has a total 16GB of 2666MHz DDR4 memory. 8GB of its main memory is soldered on the mainboard and the rest of the 8GB memory installed on the slot. This slot has a maximum 16GB of memory capacity support and has dual channel configuration. Has a M.2 NVMe PCIE 3.0 x4 1TB SSD storage, but there is no space for 3.5inch drive.

This 15.6-inch Full HD 1920 by 1080 IPS display panel has 144Hz screen refresh rate and 3ms Response time. This 300nits brightness display supports 100% sRGB, 75% aRGB and 70% NTSC color space.

For networking this device has Intel® 802.11ac (2x2) Gigabit Wi-Fi and Bluetooth 5.0 Module. There are array microphone and 2x2 watt speakers right below the display. This results in better sound output.

Device I/O Specification:

1x USB3.1 Gen2 Type-C with DisplayPort™ 1.2 and Power Delivery

1x USB3.1 Gen2 Type A

Power port

1x USB3.1 Gen 1 Type C

2x USB 2.0 Type A

1x 3.5mm headphone and microphone combo jack

1x HDMI 2.0b

1x Kensington lock


360 (W) x 268 (D) x 15.35~16.15 (H) mm

Weight: 2.1Kg


Backlit Chiclet Keyboard

Marked WASD keys

N key rollover

RGB 4 zones

Aura Sync

1.2mm travel distance

Gaming Benchmark Result:

Battlefield v, 1920x1080, rtx on, ultra-preset - 35 fps

Battlefield v, 1920x1080, rtx off, ultra-preset - 80 fps

Apex legend, 1920x1080, ultra-preset - 70 fps

Fortnite, 1920x1080, epic preset - 115 fps

Overwatch, 1920x1080, epic preset - 150 fps

Shadow of the tomb raider, 1920x1080, ultra-preset - 75 fps

Cs:go, 1920x1080, high preset - 155 fps

Tc rainbow six seige, 1920x1080, ultra-preset - 170 fps

Pubg, 1920x1080, ultra-preset - 80 fps


The ASUS ROG Zephyrus S GX531GW is a very good build ultra slim gaming laptop with great performance but it’s a bit expensive for many gamers in our country. So if you have no problem with price, grab this device.