Hardware Spec Index

Kyndral GX-6656 Ultra 16GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX6656-ULTRA · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index29,225 (Graphics Cards scale)
Category rank#25,765
Street price$949
Power300 W (TGP)
Performance per dollar30.80
Released2021

Specifications

BrandKyndral
ModelKyndral GX-6656 Ultra
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed16 Gbps
Memory bandwidth512 GB/s
Shader units12,544
Boost clock2,504 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)300 W
Power connectors3× 8-pin PCIe
Recommended PSU700 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 285 mm

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Cite this page: Hardware Spec Index, “Kyndral GX-6656 Ultra 16GB GDDR6 Graphics Card”, https://vextor7.com/item/2180398 (accessed 2026-10-23).