Hardware Spec Index

Kyndral GX-6643 Max 16GB GDDR6X Graphics Card

Graphics Cards · Kyndral · SKU GX6643-MAX · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index30,518 (Graphics Cards scale)
Category rank#20,531
Street price$1,189
Power310 W (TGP)
Performance per dollar25.67
Released2021

Specifications

BrandKyndral
ModelKyndral GX-6643 Max
Video memory16 GB GDDR6X
Memory bus256-bit
Memory speed23 Gbps
Memory bandwidth736 GB/s
Shader units12,928
Boost clock2,075 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)310 W
Power connectors3× 8-pin PCIe
Recommended PSU750 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 290 mm

Related guides

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Cite this page: Hardware Spec Index, “Kyndral GX-6643 Max 16GB GDDR6X Graphics Card”, https://vextor7.com/item/5877611 (accessed 2026-10-19).