Hardware Spec Index

Kyndral GX-8421 Core 16GB GDDR7 Graphics Card

Graphics Cards · Kyndral · SKU GX8421-CORE · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index40,511 (Graphics Cards scale)
Category rank#32,322
Street price$1,919
Power505 W (TGP)
Performance per dollar21.11
Released2025

Specifications

BrandKyndral
ModelKyndral GX-8421 Core
Video memory16 GB GDDR7
Memory bus256-bit
Memory speed32 Gbps
Memory bandwidth1,024 GB/s
Shader units17,536
Boost clock2,778 MHz
Bus interfacePCIe 5.0 x16
Total graphics power (TGP)505 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU950 W
Ray tracingHardware-accelerated
UpscalingDLSS 4 (frame generation)
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size3.5-slot, 329 mm

Related guides

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Cite this page: Hardware Spec Index, “Kyndral GX-8421 Core 16GB GDDR7 Graphics Card”, https://vextor7.com/item/9782925 (accessed 2026-10-26).