Hardware Spec Index

Kyndral GX-4991 Prime 16GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX4991-PRIME · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index33,372 (Graphics Cards scale)
Category rank#129
Street price$1,359
Power340 W (TGP)
Performance per dollar24.56
Released2019

Specifications

BrandKyndral
ModelKyndral GX-4991 Prime
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed18 Gbps
Memory bandwidth576 GB/s
Shader units14,592
Boost clock1,972 MHz
Bus interfacePCIe 3.0 x16
Total graphics power (TGP)340 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, 304 mm

Related guides

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Cite this page: Hardware Spec Index, “Kyndral GX-4991 Prime 16GB GDDR6 Graphics Card”, https://vextor7.com/item/7206464 (accessed 2026-10-19).