Hardware Spec Index

Kyndral GX-9643 Ultra 24GB GDDR6X Graphics Card

Graphics Cards · Kyndral · SKU GX9643-ULTRA · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index42,505 (Graphics Cards scale)
Category rank#26,659
Street price$2,279
Power420 W (TGP)
Performance per dollar18.65
Released2021

Specifications

BrandKyndral
ModelKyndral GX-9643 Ultra
Video memory24 GB GDDR6X
Memory bus384-bit
Memory speed19 Gbps
Memory bandwidth912 GB/s
Shader units19,072
Boost clock2,520 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)420 W
Power connectors3× 8-pin PCIe
Recommended PSU850 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3.5-slot, 329 mm

Related guides

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Cite this page: Hardware Spec Index, “Kyndral GX-9643 Ultra 24GB GDDR6X Graphics Card”, https://vextor7.com/item/21542561 (accessed 2026-10-26).