Hardware Spec Index

Kyndral GX-4643 Ultra 12GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX4643-ULTRA · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index21,877 (Graphics Cards scale)
Category rank#30,187
Street price$579
Power225 W (TGP)
Performance per dollar37.78
Released2023

Specifications

BrandKyndral
ModelKyndral GX-4643 Ultra
Video memory12 GB GDDR6
Memory bus192-bit
Memory speed14 Gbps
Memory bandwidth336 GB/s
Shader units8,448
Boost clock2,252 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)225 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU650 W
Ray tracingHardware-accelerated
UpscalingDLSS 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2.5-slot, 258 mm

Related guides

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Cite this page: Hardware Spec Index, “Kyndral GX-4643 Ultra 12GB GDDR6 Graphics Card”, https://vextor7.com/item/3591552 (accessed 2026-10-24).