Hardware Spec Index

Kyndral GX-4221 Ultra 8GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX4221-ULTRA · Released 2024 · Updated 2026-10-18

Key facts

Benchmark index15,921 (Graphics Cards scale)
Category rank#33,605
Street price$239
Power160 W (TGP)
Performance per dollar66.62
Released2024

Specifications

BrandKyndral
ModelKyndral GX-4221 Ultra
Video memory8 GB GDDR6
Memory bus128-bit
Memory speed16 Gbps
Memory bandwidth256 GB/s
Shader units5,120
Boost clock1,721 MHz
Bus interfacePCIe 4.0 x8
Total graphics power (TGP)160 W
Power connectors2× 8-pin PCIe
Recommended PSU600 W
Ray tracingHardware-accelerated
UpscalingFSR 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2-slot, 226 mm

Related guides

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Cite this page: Hardware Spec Index, “Kyndral GX-4221 Ultra 8GB GDDR6 Graphics Card”, https://vextor7.com/item/319784 (accessed 2026-10-18).