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ASUS

ASUS ROG Strix GeForce RTX 3080 Ti 12GB graphics card

SKU CH-HY57-AR1K5

Delivers 12 GB GDDR6X on a 384-bit bus with 10240 CUDA cores, OC boost to 1845 MHz, PCIe 4.0, HDMI 2.1 and triple DisplayPort 1.4a for 7680 × 4320 output

  • Graphics processorGeForce RTX 3080 Ti
  • Memory capacity12 GB
  • Interface typePCI Express 4.0
  • CUDA core count10240
  • Highest resolution7680 × 4320
  • Boost frequencyOC mode: 1845 MHz /Gaming mode: 1815 MHz
  • 12 GB GDDR6X memory at 19 Gbps feeds 4K and 8K textures without stutter
  • 10240 CUDA cores and 384-bit bus deliver raw compute for ray-traced workloads
  • Boost clocks reach 1845 MHz in OC mode and 1815 MHz in Gaming mode
  • Axial-tech fans and a 2.9-slot cooler keep temperatures low under sustained load
  • HDMI 2.1 and DisplayPort 1.4a drive up to four 7680 × 4320 displays

Ready for 4K gaming and content creation

This ROG Strix GeForce RTX 3080 Ti graphics card targets enthusiasts who need high frame rates at 4K resolution and reliable throughput for creative workloads. The 12GB GDDR6X frame buffer and 10240 CUDA cores give it the raw capacity for modern titles and GPU-accelerated applications. It connects through a PCI Express 4.0 x16 slot and drives up to four displays via two HDMI 2.1 and three DisplayPort 1.4a outputs.

12GB GDDR6X on a 384-bit bus

The single specification that decides fit is the 12GB GDDR6X memory running across a 384-bit interface at 19 Gbps. This combination delivers the bandwidth needed for 4K textures, ray-traced scenes and large dataset processing without swapping to system memory. If your workload exceeds 12GB of VRAM, you must look at a higher-capacity model; otherwise this configuration matches the demands of current high-end gaming and professional pipelines.

Axial-tech fans and 2.9-slot cooler

The Axial-tech fan design uses additional blades and a reversed centre fan to move more air through a 2.9-slot heatsink that expands surface area over prior designs. Super Alloy Power II components — premium alloy chokes, solid polymer capacitors and high-current power stages — reduce electrical loss and keep temperatures lower under sustained load. In typical gaming sessions the card runs at boost clocks of 1815 MHz in Gaming mode or 1845 MHz in OC mode while staying within its thermal envelope and keeping acoustic output controlled.

How it compares

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

Price $1,159.99
Pricier than about 90% of the 4,285 comparable items (median $354.99).
Memory capacity 12 GB
Higher than about 60% of the 3,563 comparable items (median 8 GB).
Boost frequency OC mode: 1845 MHz /Gaming mode: 1815 MHz
Lower than about 58% of the 1,837 comparable items (median 1.89 GHz).

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Specifications

Product
Brand nameASUS
Product lineROG STRIX
Model nameROG-STRIX-RTX3080TI-O12G-GAMING
Memory
Type of memoryGDDR6X
Display
Highest resolution7680 × 4320
Graphics
Graphics processorGeForce RTX 3080 Ti
Memory capacity12 GB
Boost frequencyOC mode: 1845 MHz /Gaming mode: 1815 MHz
CUDA core count10240
Chipset makerNVIDIA
Graphics seriesNVIDIA GeForce RTX 30 Series
Effective memory speed19 Gbit/s
Memory bus width384-Bit
DirectX support12 Ultimate
OpenGL support4.6
Supported displays4
Multi-GPU supportNo
Audio & video
HDCP support2.3
Ports & slots
Interface typePCI Express 4.0
HDMI ports2 x HDMI 2.1
DisplayPort connectors3 x DisplayPort 1.4a
Power
Power input connector3 × 8-Pin
Size & build
Max graphics card length319 mm
Card size12.53 in × 5.51 in
Slots occupied2.9 slot

Questions about this item

What does the 1845 MHz OC boost clock mean once the card is inside my PC?

The 1845 MHz OC boost clock is the peak frequency the GPU targets under load when OC mode is selected in GPU Tweak II; actual sustained clocks depend on power limit, temperature and the workload you run.

How does the PCI Express 4.0 x16 interface cap performance in practice?

PCI Express 4.0 x16 provides double the bandwidth of 3.0, removing the bus bottleneck for the RTX 3080 Ti so the 12GB GDDR6X memory and 10240 CUDA cores can feed data at full speed.

What clearance and power connections does the 2.9-slot design need to fit and mount?

The 2.9-slot cooler occupies nearly three expansion slots and requires a case with sufficient length and height clearance plus three 8-pin PCIe power connectors for the Super Alloy Power II delivery system.

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