Hardware Spec Index

Veltrix GX-4638 Ultra 8GB GDDR6 Graphics Card

Graphics Cards · Veltrix · SKU GX4638-ULTRA · Released 2022 · Updated 2026-10-18

Key facts

Benchmark index22,522 (Graphics Cards scale)
Category rank#31,979
Street price$629
Power230 W (TGP)
Performance per dollar35.81
Released2022

Specifications

BrandVeltrix
ModelVeltrix GX-4638 Ultra
Video memory8 GB GDDR6
Memory bus128-bit
Memory speed18 Gbps
Memory bandwidth288 GB/s
Shader units8,704
Boost clock2,076 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)230 W
Power connectors2× 8-pin PCIe
Recommended PSU650 W
Ray tracingHardware-accelerated
UpscalingDLSS 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2.5-slot, 264 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 8GB GDDR6 Graphics Card”, https://vextor7.com/item/2502012 (accessed 2026-10-18).