Hardware Spec Index

Kyndral GX-3991 Prime 32GB GDDR6X Graphics Card

Graphics Cards · Kyndral · SKU GX3991-PRIME · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index36,975 (Graphics Cards scale)
Category rank#5,071
Street price$1,649
Power385 W (TGP)
Performance per dollar22.42
Released2022

Specifications

BrandKyndral
ModelKyndral GX-3991 Prime
Video memory32 GB GDDR6X
Memory bus512-bit
Memory speed22.4 Gbps
Memory bandwidth1,434 GB/s
Shader units17,152
Boost clock2,558 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)385 W
Power connectors3× 8-pin PCIe
Recommended PSU800 W
Ray tracingHardware-accelerated
UpscalingXeSS
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 327 mm

Related guides

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Cite this page: Hardware Spec Index, “Kyndral GX-3991 Prime 32GB GDDR6X Graphics Card”, https://vextor7.com/item/2071004 (accessed 2026-10-21).