Hardware Spec Index

Kyndral GX-4421 Core 16GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX4421-CORE · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index29,278 (Graphics Cards scale)
Category rank#29,449
Street price$1,079
Power315 W (TGP)
Performance per dollar27.13
Released2023

Specifications

BrandKyndral
ModelKyndral GX-4421 Core
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed18 Gbps
Memory bandwidth576 GB/s
Shader units13,312
Boost clock2,038 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)315 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU750 W
Ray tracingHardware-accelerated
UpscalingFSR 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 297 mm

Related guides

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Cite this page: Hardware Spec Index, “Kyndral GX-4421 Core 16GB GDDR6 Graphics Card”, https://vextor7.com/item/31368970 (accessed 2026-10-25).