Hardware Spec Index

Kyndral GX-8646 Prime 12GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX8646-PRIME · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index21,877 (Graphics Cards scale)
Category rank#15,200
Street price$589
Power230 W (TGP)
Performance per dollar37.14
Released2020

Specifications

BrandKyndral
ModelKyndral GX-8646 Prime
Video memory12 GB GDDR6
Memory bus192-bit
Memory speed16 Gbps
Memory bandwidth384 GB/s
Shader units8,832
Boost clock2,190 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)230 W
Power connectors2× 8-pin PCIe
Recommended PSU650 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported
Card size2.5-slot, 261 mm

Related guides

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Cite this page: Hardware Spec Index, “Kyndral GX-8646 Prime 12GB GDDR6 Graphics Card”, https://vextor7.com/item/10176162 (accessed 2026-10-25).