Hardware Spec Index

Kyndral GX-6420 Prime 8GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX6420-PRIME · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index11,642 (Graphics Cards scale)
Category rank#46,758
Street price$159
Power125 W (TGP)
Performance per dollar73.22
Released2019

Specifications

BrandKyndral
ModelKyndral GX-6420 Prime
Video memory8 GB GDDR6
Memory bus128-bit
Memory speed16 Gbps
Memory bandwidth256 GB/s
Shader units3,200
Boost clock2,257 MHz
Bus interfacePCIe 3.0 x8
Total graphics power (TGP)125 W
Power connectors1× 8-pin PCIe
Recommended PSU550 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported (firmware update)
Card size2-slot, 211 mm

Related guides

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Cite this page: Hardware Spec Index, “Kyndral GX-6420 Prime 8GB GDDR6 Graphics Card”, https://vextor7.com/item/21391869 (accessed 2026-10-19).