Hardware Spec Index

Kyndral GX-6639 Plus 16GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX6639-PLUS · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index21,044 (Graphics Cards scale)
Category rank#12,038
Street price$629
Power230 W (TGP)
Performance per dollar33.46
Released2024

Specifications

BrandKyndral
ModelKyndral GX-6639 Plus
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed14 Gbps
Memory bandwidth448 GB/s
Shader units8,832
Boost clock2,305 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)230 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU650 W
Ray tracingHardware-accelerated
UpscalingXeSS 2
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2.5-slot, 255 mm

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Cite this page: Hardware Spec Index, “Kyndral GX-6639 Plus 16GB GDDR6 Graphics Card”, https://vextor7.com/item/556015 (accessed 2026-10-19).