Hardware Spec Index

Kyndral GX-1668 Ultra 16GB GDDR6X Graphics Card

Graphics Cards · Kyndral · SKU GX1668-ULTRA · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index35,376 (Graphics Cards scale)
Category rank#31,166
Street price$1,459
Power370 W (TGP)
Performance per dollar24.25
Released2021

Specifications

BrandKyndral
ModelKyndral GX-1668 Ultra
Video memory16 GB GDDR6X
Memory bus256-bit
Memory speed21 Gbps
Memory bandwidth672 GB/s
Shader units16,128
Boost clock1,725 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)370 W
Power connectors3× 8-pin PCIe
Recommended PSU800 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 309 mm

Related guides

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Cite this page: Hardware Spec Index, “Kyndral GX-1668 Ultra 16GB GDDR6X Graphics Card”, https://vextor7.com/item/31316019 (accessed 2026-10-22).