Hardware Spec Index

Kyndral GX-6456 Ultra 16GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX6456-ULTRA · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index24,994 (Graphics Cards scale)
Category rank#11,600
Street price$699
Power255 W (TGP)
Performance per dollar35.76
Released2019

Specifications

BrandKyndral
ModelKyndral GX-6456 Ultra
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed16 Gbps
Memory bandwidth512 GB/s
Shader units10,240
Boost clock1,857 MHz
Bus interfacePCIe 3.0 x16
Total graphics power (TGP)255 W
Power connectors3× 8-pin PCIe
Recommended PSU700 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported (firmware update)
Card size2.5-slot, 274 mm

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Cite this page: Hardware Spec Index, “Kyndral GX-6456 Ultra 16GB GDDR6 Graphics Card”, https://vextor7.com/item/15219949 (accessed 2026-10-24).