Hardware Spec Index

Kyndral GX-3399 XT 16GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX3399-XT · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index25,759 (Graphics Cards scale)
Category rank#47,745
Street price$789
Power255 W (TGP)
Performance per dollar32.65
Released2021

Specifications

BrandKyndral
ModelKyndral GX-3399 XT
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed18 Gbps
Memory bandwidth576 GB/s
Shader units9,984
Boost clock2,551 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)255 W
Power connectors3× 8-pin PCIe
Recommended PSU700 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2.5-slot, 261 mm

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Cite this page: Hardware Spec Index, “Kyndral GX-3399 XT 16GB GDDR6 Graphics Card”, https://vextor7.com/item/20084803 (accessed 2026-10-20).