Hardware Spec Index

Kyndral GX-8639 Ultra 32GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX8639-ULTRA · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index36,556 (Graphics Cards scale)
Category rank#18,636
Street price$1,589
Power365 W (TGP)
Performance per dollar23.01
Released2020

Specifications

BrandKyndral
ModelKyndral GX-8639 Ultra
Video memory32 GB GDDR6
Memory bus512-bit
Memory speed18 Gbps
Memory bandwidth1,152 GB/s
Shader units16,000
Boost clock1,912 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)365 W
Power connectors3× 8-pin PCIe
Recommended PSU800 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported
Card size3-slot, 315 mm

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Cite this page: Hardware Spec Index, “Kyndral GX-8639 Ultra 32GB GDDR6 Graphics Card”, https://vextor7.com/item/9376263 (accessed 2026-10-22).