Hardware Spec Index

Kyndral GX-4221 Core 8GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX4221-CORE · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index13,804 (Graphics Cards scale)
Category rank#36,790
Street price$249
Power155 W (TGP)
Performance per dollar55.44
Released2021

Specifications

BrandKyndral
ModelKyndral GX-4221 Core
Video memory8 GB GDDR6
Memory bus128-bit
Memory speed20 Gbps
Memory bandwidth320 GB/s
Shader units4,736
Boost clock2,399 MHz
Bus interfacePCIe 4.0 x8
Total graphics power (TGP)155 W
Power connectors2× 8-pin PCIe
Recommended PSU600 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2-slot, 235 mm

Related guides

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Cite this page: Hardware Spec Index, “Kyndral GX-4221 Core 8GB GDDR6 Graphics Card”, https://vextor7.com/item/29676 (accessed 2026-10-19).