Hardware Spec Index

Kyndral GX-6221 Ultra 16GB GDDR7 Graphics Card

Graphics Cards · Kyndral · SKU GX6221-ULTRA · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index26,732 (Graphics Cards scale)
Category rank#11,336
Street price$779
Power340 W (TGP)
Performance per dollar34.32
Released2025

Specifications

BrandKyndral
ModelKyndral GX-6221 Ultra
Video memory16 GB GDDR7
Memory bus256-bit
Memory speed28 Gbps
Memory bandwidth896 GB/s
Shader units10,880
Boost clock2,528 MHz
Bus interfacePCIe 5.0 x16
Total graphics power (TGP)340 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU750 W
Ray tracingHardware-accelerated
UpscalingDLSS 4 (frame generation)
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size3-slot, 271 mm

Related guides

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Cite this page: Hardware Spec Index, “Kyndral GX-6221 Ultra 16GB GDDR7 Graphics Card”, https://vextor7.com/item/41580423 (accessed 2026-10-26).