Hardware Spec Index

Kyndral GX-6390 Ultra 12GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX6390-ULTRA · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index25,761 (Graphics Cards scale)
Category rank#26,526
Street price$869
Power265 W (TGP)
Performance per dollar29.64
Released2023

Specifications

BrandKyndral
ModelKyndral GX-6390 Ultra
Video memory12 GB GDDR6
Memory bus192-bit
Memory speed20 Gbps
Memory bandwidth480 GB/s
Shader units10,752
Boost clock2,048 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)265 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU700 W
Ray tracingHardware-accelerated
UpscalingDLSS 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 273 mm

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Cite this page: Hardware Spec Index, “Kyndral GX-6390 Ultra 12GB GDDR6 Graphics Card”, https://vextor7.com/item/76527229 (accessed 2026-10-25).