Hardware Spec Index

Kyndral GX-6311 Ultra 12GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX6311-ULTRA · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index13,687 (Graphics Cards scale)
Category rank#8,482
Street price$179
Power145 W (TGP)
Performance per dollar76.46
Released2024

Specifications

BrandKyndral
ModelKyndral GX-6311 Ultra
Video memory12 GB GDDR6
Memory bus192-bit
Memory speed16 Gbps
Memory bandwidth384 GB/s
Shader units4,352
Boost clock1,712 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)145 W
Power connectors1× 8-pin PCIe
Recommended PSU550 W
Ray tracingHardware-accelerated
UpscalingXeSS 2
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2-slot, 212 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-6311 Ultra 12GB GDDR6 Graphics Card”, https://vextor7.com/item/97271726 (accessed 2026-10-19).