Hardware Spec Index

Kyndral GX-4389 Ultra 16GB GDDR7 Graphics Card

Graphics Cards · Kyndral · SKU GX4389-ULTRA · Released 2026 · Updated 2026-10-24

Key facts

Benchmark index35,492 (Graphics Cards scale)
Category rank#13,661
Street price$1,549
Power460 W (TGP)
Performance per dollar22.91
Released2026

Specifications

BrandKyndral
ModelKyndral GX-4389 Ultra
Video memory16 GB GDDR7
Memory bus256-bit
Memory speed28 Gbps
Memory bandwidth896 GB/s
Shader units15,872
Boost clock2,392 MHz
Bus interfacePCIe 5.0 x16
Total graphics power (TGP)460 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU900 W
Ray tracingHardware-accelerated
UpscalingDLSS 4 (frame generation)
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size3.5-slot, 321 mm

Related guides

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Cite this page: Hardware Spec Index, “Kyndral GX-4389 Ultra 16GB GDDR7 Graphics Card”, https://vextor7.com/item/94860481 (accessed 2026-10-24).