Hardware Spec Index

Kyndral GX-6638 Pro 16GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX6638-PRO · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index20,280 (Graphics Cards scale)
Category rank#47,167
Street price$519
Power220 W (TGP)
Performance per dollar39.08
Released2024

Specifications

BrandKyndral
ModelKyndral GX-6638 Pro
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed18 Gbps
Memory bandwidth576 GB/s
Shader units8,064
Boost clock1,727 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)220 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, 253 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, “Kyndral GX-6638 Pro 16GB GDDR6 Graphics Card”, https://vextor7.com/item/5114317 (accessed 2026-10-20).