Hardware Spec Index

Kyndral GX-3978 Ultra 32GB GDDR6X Graphics Card

Graphics Cards · Kyndral · SKU GX3978-ULTRA · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index35,656 (Graphics Cards scale)
Category rank#38,242
Street price$1,659
Power355 W (TGP)
Performance per dollar21.49
Released2021

Specifications

BrandKyndral
ModelKyndral GX-3978 Ultra
Video memory32 GB GDDR6X
Memory bus512-bit
Memory speed21 Gbps
Memory bandwidth1,344 GB/s
Shader units15,488
Boost clock2,421 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)355 W
Power connectors3× 8-pin PCIe
Recommended PSU800 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 312 mm

Related guides

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Cite this page: Hardware Spec Index, “Kyndral GX-3978 Ultra 32GB GDDR6X Graphics Card”, https://vextor7.com/item/652552 (accessed 2026-10-23).