Hardware Spec Index

Kyndral GX-4391 Pro 16GB GDDR6X Graphics Card

Graphics Cards · Kyndral · SKU GX4391-PRO · Released 2021 · Updated 2026-10-18

Key facts

Benchmark index29,320 (Graphics Cards scale)
Category rank#48,873
Street price$1,289
Power315 W (TGP)
Performance per dollar22.75
Released2021

Specifications

BrandKyndral
ModelKyndral GX-4391 Pro
Video memory16 GB GDDR6X
Memory bus256-bit
Memory speed21 Gbps
Memory bandwidth672 GB/s
Shader units13,312
Boost clock2,144 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)315 W
Power connectors3× 8-pin PCIe
Recommended PSU750 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 287 mm

Related guides

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Cite this page: Hardware Spec Index, “Kyndral GX-4391 Pro 16GB GDDR6X Graphics Card”, https://vextor7.com/item/4010959 (accessed 2026-10-18).