Hardware Spec Index

Kyndral GX-8478 Ultra 12GB GDDR6X Graphics Card

Graphics Cards · Kyndral · SKU GX8478-ULTRA · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index25,452 (Graphics Cards scale)
Category rank#6,846
Street price$829
Power275 W (TGP)
Performance per dollar30.70
Released2024

Specifications

BrandKyndral
ModelKyndral GX-8478 Ultra
Video memory12 GB GDDR6X
Memory bus192-bit
Memory speed22.4 Gbps
Memory bandwidth538 GB/s
Shader units11,136
Boost clock1,879 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)275 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU700 W
Ray tracingHardware-accelerated
UpscalingXeSS 2
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 273 mm

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Cite this page: Hardware Spec Index, “Kyndral GX-8478 Ultra 12GB GDDR6X Graphics Card”, https://vextor7.com/item/10148452 (accessed 2026-10-26).