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ASUS

ASUS ROG Astral GeForce RTX 5080 16GB graphics card

SKU CH-QP5R-WRJGZ

16 GB GDDR7 on a 256-bit bus with 10,752 CUDA cores, PCIe 5.0 and HDMI 2.1b plus DisplayPort 2.1b outputs for 4K and 8K displays

  • InterfacePCI Express 5.0 x16
  • Chipset ManufacturerNVIDIA
  • GPU SeriesNVIDIA GeForce RTX 50 Series
  • GPUGeForce RTX 5080
  • ArchitectureBlackwell
  • Boost ClockOC mode: 2670 MHz Default mode: 2640 MHz (Boost Clock)
  • 16 GB GDDR7 memory at 30 Gbps for high-bandwidth 4K gaming
  • 10752 CUDA cores deliver strong raster and compute throughput
  • PCI Express 5.0 x16 interface maximises host-to-GPU data transfer
  • Boost clock up to 2670 MHz in OC mode for extra performance headroom
  • Three DisplayPort 2.1b and two HDMI 2.1b outputs drive four displays

16GB GDDR7 graphics card for 4K gaming

The ASUS ROG Astral GeForce RTX 5080 delivers 16GB of GDDR7 memory on a 256-bit bus with an effective clock of 30 Gbps. It runs on the Blackwell architecture with 10752 CUDA cores and boost clocks of 2640 MHz in default mode or 2670 MHz in OC mode. The card supports DirectX 12 Ultimate and OpenGL 4.6 for modern titles.

Check PCIe 5.0 slot and 2.1b display cables

Verify your motherboard provides a PCI Express 5.0 x16 slot for full bandwidth. Ensure your power supply meets the card’s requirements and that your chassis has enough length clearance. For 4K high-refresh displays use the two HDMI 2.1b or three DisplayPort 2.1b outputs with certified cables.

Suits 4K creators and high-refresh gamers

This model suits enthusiasts targeting 4K gaming at high frame rates and content creators who need 16GB VRAM for rendering workloads. Users with PCIe 4.0 platforms or modest power supplies should consider a lower-tier card. Builders needing more than four displays or different output mixes should look elsewhere.

Highlights

  • 16 GB GDDR7 memory at 30 Gbps for high-bandwidth 4K gaming
  • 10752 CUDA cores deliver strong raster and compute throughput
  • PCI Express 5.0 x16 interface maximises host-to-GPU data transfer
  • Boost clock up to 2670 MHz in OC mode for extra performance headroom
  • Three DisplayPort 2.1b and two HDMI 2.1b outputs drive four displays

Specifications

BrandASUS
SeriesROG Astral
ModelROG-ASTRAL-RTX5080-16G-GAMING
InterfacePCI Express 5.0 x16
Chipset ManufacturerNVIDIA
GPU SeriesNVIDIA GeForce RTX 50 Series
GPUGeForce RTX 5080
ArchitectureBlackwell
Boost ClockOC mode: 2670 MHz
Default mode: 2640 MHz (Boost Clock)
CUDA Cores10752
Effective Memory Clock30 Gbps
Memory Size16GB
Memory Interface256-Bit
Memory TypeGDDR7
DirectXDirectX 12 Ultimate
OpenGLOpenGL 4.6
Multi-Monitor Support4
HDMI2 x HDMI 2.1b
DisplayPort3 x DisplayPort 2.1b
ColorGray
Max Resolution7680 x 4320
CrossFireX SupportNo
SLI SupportNo
Virtual Reality ReadyYes
CoolerTriple Fans
Recommended PSU Wattage850W
Power Connector1 x 16-Pin
HDCP ReadyHDCP 2.3
Form FactorATX
Max GPU Length358 mm
Card Dimensions (L x H)357.6 x 149.3 x 76 mm
14.1 x 5.9 x 3 inch
Slot Width3.8 Slots
Package Contents1 x Speedsetup Manual
1 x ROG Graphics Card Holder
1 x ROG Velcro Hook & Loop
1 x ROG Magnet
1 x ROG Graphics Card Keycap
1 x ROG PCB Ruler
1 x Thank You Card
1 x Adapter Cable (1 to 3)?

Questions about this item

What is included with the ASUS ROG Astral GeForce RTX 5080 16GB and do I need to buy any cables or power adapters separately?

The card ships with the GPU itself and a quick-install guide. You will need to supply a compatible power supply with the required PCIe connectors and a display cable for HDMI 2.1b or DisplayPort 2.1b.

Should I choose the OC mode at 2670 MHz or the default mode at 2640 MHz for my build?

The board offers both profiles in firmware. Select OC mode for a higher boost clock of 2670 MHz when thermal headroom allows, or stay with the default 2640 MHz profile for standard operation.

What does the 30 Gbps GDDR7 memory speed mean for actual 4K gaming performance?

The 30 Gbps effective clock across the 256-bit bus delivers high bandwidth for 4K textures and DLSS 4.0 frame generation, letting the 10752 CUDA cores feed data faster in memory-heavy titles.

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