Hardware Spec Index

Kyndral GX-6391 XT 16GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX6391-XT · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index25,778 (Graphics Cards scale)
Category rank#29,614
Street price$669
Power255 W (TGP)
Performance per dollar38.53
Released2022

Specifications

BrandKyndral
ModelKyndral GX-6391 XT
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed20 Gbps
Memory bandwidth640 GB/s
Shader units9,984
Boost clock2,263 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)255 W
Power connectors3× 8-pin PCIe
Recommended PSU700 W
Ray tracingHardware-accelerated
UpscalingFSR 2
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2.5-slot, 271 mm

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Cite this page: Hardware Spec Index, “Kyndral GX-6391 XT 16GB GDDR6 Graphics Card”, https://vextor7.com/item/7828612 (accessed 2026-10-19).