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Eclipse Gray gaming laptop, 15.6 inch QHD screen, thin profile, RGB backlit keyboard

ASUS

ASUS ROG Zephyrus G15 gaming laptop 8GB 2TB RTX 3070 165Hz

SKU CH-GRZ3-HF49B

A 15.6-inch QHD 165 Hz gaming laptop with an 8-core Ryzen 9 5900HS, RTX 3070 graphics, 8 GB DDR4 memory and a 2 TB PCIe NVMe SSD

  • ColorGray
  • CPU TypeAMD Ryzen 9 5000 Series
  • Number of Cores8-core Processor
  • Turbo Frequency4.6 GHz
  • CPU L3 Cache16MB Cache
  • Screen Size15.6"
  • 8-core Ryzen 9 5900HS processor reaches 4.6 GHz for fast multitasking
  • RTX 3070 with 8 GB GDDR6 drives smooth 1440p gaming
  • 6 inch QHD display at 165 Hz refresh for fluid motion
  • 2 TB PCIe NVMe SSD gives ample space and quick load times
  • 90 Wh battery and 200 W adapter support extended unplugged sessions

Target users and limits

The laptop fits developers and gamers who want an 8-core Ryzen 9 5900HS and RTX 3070 graphics in a compact 15.6 inch chassis. The 8 GB of soldered DDR4 cannot be expanded, so creators who need more memory for large projects should consider a model with upgradeable RAM.

Deciding spec: QHD 165 Hz display

The 15.6 inch 2560 x 1440 panel at 165 Hz is the single specification that determines suitability. It delivers sharp detail and smooth motion for competitive play, but the fixed 8 GB memory may bottleneck the GPU in modern titles.

Highlights

  • 8-core Ryzen 9 5900HS processor reaches 4.6 GHz for fast multitasking
  • RTX 3070 with 8 GB GDDR6 drives smooth 1440p gaming
  • 6 inch QHD display at 165 Hz refresh for fluid motion
  • 2 TB PCIe NVMe SSD gives ample space and quick load times
  • 90 Wh battery and 200 W adapter support extended unplugged sessions

Specifications

BrandASUS
SeriesROG Zephyrus G15
ColorGray
CPU TypeAMD Ryzen 9 5000 Series
Number of Cores8-core Processor
Turbo Frequency4.6 GHz
CPU L3 Cache16MB Cache
Screen Size15.6"
TouchscreenNo
Resolution2560 x 1440
Refresh Rate165 Hz
Operating SystemWindows 10 Home 🙋‍♀️Microsoft Windows 11 Pro Upgrade
‍👉Check ABS/Helix computers with Windows 11
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GPU/VPUGeForce RTX 3070 Laptop GPU
Graphic TypeDedicated Card
SSD2 TB
HDDNo
Storage Spec2TB PCIe SSD
Memory8GB
Memory SpeedDDR4
Memory TypeSO-DIMM
Optical Drive TypeNo Optical Drive
WLAN802.11ax Wireless LAN
BluetoothBluetooth 5.1
HDMI1 x HDMI
Audio Ports1 x Headphone/Microphone Combo Jack
KeyboardStandard
Backlit KeyboardBacklit
WebcamNo
Card ReaderMicro SD
StyleStandard
TypeGaming

Questions about this item

Does the laptop need any extra RAM modules to reach the advertised 8 GB?

No, the 8 GB DDR4 is soldered on board and there are no empty SO-DIMM slots, so nothing else is required.

Can I drive an external 1440p monitor at 165 Hz through the HDMI port on this GA503QR?

The single HDMI output supports external displays, but its maximum refresh rate at 2560×1440 depends on the monitor and cable; the built-in panel runs at 165 Hz.

How do I confirm the RTX 3070 is running at full power after setup?

Open GPU-Z or the NVIDIA control panel and verify the GPU shows 8 GB GDDR6 and clocks matching the RTX 3070 Laptop GPU specification.

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