Hardware Spec Index

Kyndral GX-6491 Ultra 8GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX6491-ULTRA · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index16,380 (Graphics Cards scale)
Category rank#17,340
Street price$279
Power165 W (TGP)
Performance per dollar58.71
Released2024

Specifications

BrandKyndral
ModelKyndral GX-6491 Ultra
Video memory8 GB GDDR6
Memory bus128-bit
Memory speed16 Gbps
Memory bandwidth256 GB/s
Shader units5,376
Boost clock1,831 MHz
Bus interfacePCIe 4.0 x8
Total graphics power (TGP)165 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU600 W
Ray tracingHardware-accelerated
UpscalingFSR 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2-slot, 229 mm

Related guides

How Much VRAM Do You Need? 1080p, 1440p, 4K and AIResizable BAR (ReBAR) ExplainedGDDR7 Memory ExplainedChoosing a GPU for 1440p GamingChoosing a GPU for 4K GamingPCIe 5.0 Explained

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Cite this page: Hardware Spec Index, “Kyndral GX-6491 Ultra 8GB GDDR6 Graphics Card”, https://vextor7.com/item/73032962 (accessed 2026-10-26).