Hardware Spec Index

Kyndral GX-8420 XT 16GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX8420-XT · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index29,379 (Graphics Cards scale)
Category rank#43,595
Street price$979
Power285 W (TGP)
Performance per dollar30.01
Released2019

Specifications

BrandKyndral
ModelKyndral GX-8420 XT
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed14 Gbps
Memory bandwidth448 GB/s
Shader units11,776
Boost clock2,149 MHz
Bus interfacePCIe 3.0 x16
Total graphics power (TGP)285 W
Power connectors3× 8-pin PCIe
Recommended PSU700 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported (firmware update)
Card size3-slot, 275 mm

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Cite this page: Hardware Spec Index, “Kyndral GX-8420 XT 16GB GDDR6 Graphics Card”, https://vextor7.com/item/20043774 (accessed 2026-10-20).