Hardware Spec Index

Veltrix GX-5645 XT 16GB GDDR6X Graphics Card

Graphics Cards · Veltrix · SKU GX5645-XT · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index32,218 (Graphics Cards scale)
Category rank#45,269
Street price$1,389
Power335 W (TGP)
Performance per dollar23.20
Released2021

Specifications

BrandVeltrix
ModelVeltrix GX-5645 XT
Video memory16 GB GDDR6X
Memory bus256-bit
Memory speed21 Gbps
Memory bandwidth672 GB/s
Shader units14,336
Boost clock2,577 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)335 W
Power connectors3× 8-pin PCIe
Recommended PSU750 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 298 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-5645 XT 16GB GDDR6X Graphics Card”, https://vextor7.com/item/21458028 (accessed 2026-10-26).