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ASUS ROG Astral GeForce RTX 5080 graphics card, triple-slot dark cooler with three axial fans, metal backplate visible

ASUS

ASUS ROG Astral GeForce RTX 5080 16GB GDDR7 OC Edition graphics card

SKU CH-2Y6R-QA82E

GeForce RTX 5080 with 16GB GDDR7 on a 256-bit bus, 10752 CUDA cores and DLSS 4.0 over PCIe 5.0

  • Graphics processorGeForce RTX 5080
  • Memory capacity16 GB
  • Interface typePCI Express 5.0 x16
  • CUDA core count10752
  • Highest resolution7680 × 4320
  • Type of memoryGDDR7
  • 16 GB GDDR7 memory at 30 Gbps fuels 4K and 8K gaming
  • 10752 CUDA cores accelerate ray tracing and AI workloads
  • DLSS 4.0 upscales frames with AI for higher sustained frame rates
  • PCI Express 5.0 x16 doubles interface bandwidth versus 4.0
  • Two HDMI 2.1b and three DisplayPort 2.1a outputs drive four 8K displays

What the card is and who it targets

The ASUS ROG Astral GeForce RTX 5080 OC Edition is a 16GB GDDR7 graphics card built on the Blackwell architecture with 10752 CUDA cores. It targets enthusiasts and creators who need high frame rates at 4K and want headroom for DLSS 4.0 workloads.

Practical limits of the PCIe 5.0 x16 interface

The card uses a PCI Express 5.0 x16 link, so full bandwidth requires a motherboard and CPU that support the same generation. On older platforms the link will drop to 4.0 or 3.0 speeds, which can cap throughput in memory-heavy scenes. The 256-bit memory bus and 30 Gbps effective clock set the ceiling for texture and frame-buffer bandwidth.

Installation notes and common pitfalls

The card occupies a standard PCIe x16 slot and needs adequate case length and power connectors from the PSU. Builders often forget to seat the 12VHPWR or equivalent cables fully, causing instability under load. Driver installation should follow a clean uninstall of previous GPU software to avoid conflicts with DLSS 4.0 and DirectX 12 Ultimate features.

How it compares

Measured against everything we stock in Desktop GPUs & Video Cards, at today’s prices. Recalculated every night.

Price $1,928.99
Pricier than about 91% of the 4,285 comparable items (median $354.99).
Memory capacity 16 GB
Higher than about 80% of the 3,563 comparable items (median 8 GB).
CUDA core count 10752
Higher than about 90% of the 1,946 comparable items (median 4,352).

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Specifications

Product
Brand nameASUS
Product lineROG Astral
Model nameROG-ASTRAL-RTX5080-O16G-GAMING
Part number90YV0LV0-M0AA00
Processor
TDP rating360 W
Memory
Type of memoryGDDR7
Display
Highest resolution7680 × 4320
Graphics
Graphics processorGeForce RTX 5080
Memory capacity16 GB
CUDA core count10752
Chipset makerNVIDIA
Graphics seriesNVIDIA GeForce RTX 50 Series
GPU architectureBlackwell
Effective memory speed30 Gbit/s
Memory bus width256-Bit
DirectX support12 Ultimate
OpenGL support4.6
Supported displays4
CrossFireX compatibilityNo
Multi-GPU supportNo
Audio & video
HDCP supportYes
Ports & slots
Interface typePCI Express 5.0 x16
HDMI ports2 x HDMI 2.1b
DisplayPort connectors3 x DisplayPort 2.1a
Power
Recommended power supply850 W
Power input connector1 × 16-Pin
Size & build
Max graphics card length358 mm
Card size14.1 × 5.9 × 3 in
Slots occupied3.8 Slots

Questions about this item

Which version of the ASUS ROG Astral RTX 5080 should I choose?

The model ROG-ASTRAL-RTX5080-O16G-GAMING comes in a single 16GB GDDR7 configuration with a factory overclock.

What does the 30 Gbps memory clock mean once the card is installed?

The 30 Gbps effective clock on the 256-bit GDDR7 memory provides high throughput for 4K textures and frame buffers.

What does the PCI Express 5.0 x16 interface cap in practice?

The PCI Express 5.0 x16 link supports the full throughput of the RTX 5080 GPU and is backward compatible with earlier PCIe slots.

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