Hardware Spec Index

Veltrix GX-8644 XT 16GB GDDR6X Graphics Card

Graphics Cards · Veltrix · SKU GX8644-XT · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index38,280 (Graphics Cards scale)
Category rank#3,100
Street price$1,539
Power375 W (TGP)
Performance per dollar24.87
Released2021

Specifications

BrandVeltrix
ModelVeltrix GX-8644 XT
Video memory16 GB GDDR6X
Memory bus256-bit
Memory speed22.4 Gbps
Memory bandwidth717 GB/s
Shader units16,512
Boost clock2,003 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)375 W
Power connectors3× 8-pin PCIe
Recommended PSU800 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 315 mm

Related guides

How Much VRAM Do You Need? 1080p, 1440p, 4K and AIResizable BAR (ReBAR) ExplainedChoosing a GPU for 1440p GamingChoosing a GPU for 4K GamingGDDR7 Memory ExplainedPCIe 5.0 Explained

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Cite this page: Hardware Spec Index, “Veltrix GX-8644 XT 16GB GDDR6X Graphics Card”, https://vextor7.com/item/2177477 (accessed 2026-10-20).