Hardware Spec Index

Kyndral GX-6440 Ultra 32GB GDDR7 Graphics Card

Graphics Cards · Kyndral · SKU GX6440-ULTRA · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index44,800 (Graphics Cards scale)
Category rank#42,708
Street price$2,189
Power550 W (TGP)
Performance per dollar20.47
Released2026

Specifications

BrandKyndral
ModelKyndral GX-6440 Ultra
Video memory32 GB GDDR7
Memory bus512-bit
Memory speed32 Gbps
Memory bandwidth2,048 GB/s
Shader units19,584
Boost clock2,874 MHz
Bus interfacePCIe 5.0 x16
Total graphics power (TGP)550 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU950 W
Ray tracingHardware-accelerated
UpscalingDLSS 4 (frame generation)
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size3.5-slot, 335 mm

Related guides

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Cite this page: Hardware Spec Index, “Kyndral GX-6440 Ultra 32GB GDDR7 Graphics Card”, https://vextor7.com/item/640335 (accessed 2026-10-19).