Hardware Spec Index

Kyndral GX-1221 Ultra 16GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX1221-ULTRA · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index31,561 (Graphics Cards scale)
Category rank#15,497
Street price$1,189
Power330 W (TGP)
Performance per dollar26.54
Released2020

Specifications

BrandKyndral
ModelKyndral GX-1221 Ultra
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed20 Gbps
Memory bandwidth640 GB/s
Shader units13,952
Boost clock2,543 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)330 W
Power connectors3× 8-pin PCIe
Recommended PSU750 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported
Card size3-slot, 305 mm

Related guides

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Cite this page: Hardware Spec Index, “Kyndral GX-1221 Ultra 16GB GDDR6 Graphics Card”, https://vextor7.com/item/6435110 (accessed 2026-10-21).