Hardware Spec Index

Kyndral GX-5255 Ultra 16GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX5255-ULTRA · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index31,534 (Graphics Cards scale)
Category rank#17,659
Street price$989
Power305 W (TGP)
Performance per dollar31.88
Released2019

Specifications

BrandKyndral
ModelKyndral GX-5255 Ultra
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed18 Gbps
Memory bandwidth576 GB/s
Shader units12,800
Boost clock1,955 MHz
Bus interfacePCIe 3.0 x16
Total graphics power (TGP)305 W
Power connectors3× 8-pin PCIe
Recommended PSU750 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported (firmware update)
Card size3-slot, 288 mm

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Cite this page: Hardware Spec Index, “Kyndral GX-5255 Ultra 16GB GDDR6 Graphics Card”, https://vextor7.com/item/4661983 (accessed 2026-10-19).