Hardware Spec Index

Kyndral GX-8955 Ultra 12GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX8955-ULTRA · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index24,293 (Graphics Cards scale)
Category rank#31,784
Street price$679
Power245 W (TGP)
Performance per dollar35.78
Released2022

Specifications

BrandKyndral
ModelKyndral GX-8955 Ultra
Video memory12 GB GDDR6
Memory bus192-bit
Memory speed20 Gbps
Memory bandwidth480 GB/s
Shader units9,600
Boost clock2,046 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)245 W
Power connectors2× 8-pin PCIe
Recommended PSU650 W
Ray tracingHardware-accelerated
UpscalingXeSS
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2.5-slot, 271 mm

Related guides

How Much VRAM Do You Need? 1080p, 1440p, 4K and AIResizable BAR (ReBAR) ExplainedChoosing a GPU for 1440p GamingGDDR7 Memory ExplainedChoosing a GPU for 4K GamingPCIe 5.0 Explained

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Cite this page: Hardware Spec Index, “Kyndral GX-8955 Ultra 12GB GDDR6 Graphics Card”, https://vextor7.com/item/21454113 (accessed 2026-10-26).