Hardware Spec Index

Veltrix GX-4638 Ultra 12GB GDDR6 Graphics Card

Graphics Cards · Veltrix · SKU GX4638-ULTRA · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index17,317 (Graphics Cards scale)
Category rank#24,912
Street price$319
Power185 W (TGP)
Performance per dollar54.29
Released2020

Specifications

BrandVeltrix
ModelVeltrix GX-4638 Ultra
Video memory12 GB GDDR6
Memory bus192-bit
Memory speed20 Gbps
Memory bandwidth480 GB/s
Shader units6,400
Boost clock1,960 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)185 W
Power connectors2× 8-pin PCIe
Recommended PSU600 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported
Card size2.5-slot, 243 mm

Related guides

How Much VRAM Do You Need? 1080p, 1440p, 4K and AIResizable BAR (ReBAR) ExplainedGDDR7 Memory ExplainedChoosing a GPU for 1440p GamingChoosing a GPU for 4K GamingPCIe 5.0 Explained

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Cite this page: Hardware Spec Index, “Veltrix GX-4638 Ultra 12GB GDDR6 Graphics Card”, https://vextor7.com/item/7182948 (accessed 2026-10-22).