Hardware Spec Index

Kyndral GX-5646 Ultra 12GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX5646-ULTRA · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index24,463 (Graphics Cards scale)
Category rank#22,676
Street price$839
Power265 W (TGP)
Performance per dollar29.16
Released2019

Specifications

BrandKyndral
ModelKyndral GX-5646 Ultra
Video memory12 GB GDDR6
Memory bus192-bit
Memory speed14 Gbps
Memory bandwidth336 GB/s
Shader units10,496
Boost clock2,159 MHz
Bus interfacePCIe 3.0 x16
Total graphics power (TGP)265 W
Power connectors3× 8-pin PCIe
Recommended PSU700 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported (firmware update)
Card size3-slot, 268 mm

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Cite this page: Hardware Spec Index, “Kyndral GX-5646 Ultra 12GB GDDR6 Graphics Card”, https://vextor7.com/item/9794880 (accessed 2026-10-25).