Hardware Spec Index

Kyndral GX-6639 Pro 24GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX6639-PRO · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index43,432 (Graphics Cards scale)
Category rank#33,059
Street price$2,049
Power425 W (TGP)
Performance per dollar21.20
Released2020

Specifications

BrandKyndral
ModelKyndral GX-6639 Pro
Video memory24 GB GDDR6
Memory bus384-bit
Memory speed14 Gbps
Memory bandwidth672 GB/s
Shader units19,200
Boost clock1,725 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)425 W
Power connectors3× 8-pin PCIe
Recommended PSU850 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported
Card size3.5-slot, 334 mm

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Cite this page: Hardware Spec Index, “Kyndral GX-6639 Pro 24GB GDDR6 Graphics Card”, https://vextor7.com/item/9438545 (accessed 2026-10-24).