Hardware Spec Index

Kyndral GX-6421 Core 16GB GDDR7 Graphics Card

Graphics Cards · Kyndral · SKU GX6421-CORE · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index33,646 (Graphics Cards scale)
Category rank#29,244
Street price$1,479
Power455 W (TGP)
Performance per dollar22.75
Released2026

Specifications

BrandKyndral
ModelKyndral GX-6421 Core
Video memory16 GB GDDR7
Memory bus256-bit
Memory speed32 Gbps
Memory bandwidth1,024 GB/s
Shader units15,744
Boost clock2,461 MHz
Bus interfacePCIe 5.0 x16
Total graphics power (TGP)455 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU900 W
Ray tracingHardware-accelerated
UpscalingFSR 4, FSR 3.1
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size3.5-slot, 313 mm

Related guides

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Cite this page: Hardware Spec Index, “Kyndral GX-6421 Core 16GB GDDR7 Graphics Card”, https://vextor7.com/item/477022 (accessed 2026-10-22).