Hardware Spec Index

Kyndral GX-6390 Ultra 24GB GDDR6X Graphics Card

Graphics Cards · Kyndral · SKU GX6390-ULTRA · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index32,020 (Graphics Cards scale)
Category rank#43,058
Street price$1,389
Power330 W (TGP)
Performance per dollar23.05
Released2021

Specifications

BrandKyndral
ModelKyndral GX-6390 Ultra
Video memory24 GB GDDR6X
Memory bus384-bit
Memory speed23 Gbps
Memory bandwidth1,104 GB/s
Shader units14,080
Boost clock2,512 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 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 303 mm

Related guides

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Cite this page: Hardware Spec Index, “Kyndral GX-6390 Ultra 24GB GDDR6X Graphics Card”, https://vextor7.com/item/46636 (accessed 2026-10-19).