Hardware Spec Index

Kyndral GX-6645 Ultra 24GB GDDR7 Graphics Card

Graphics Cards · Kyndral · SKU GX6645-ULTRA · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index38,529 (Graphics Cards scale)
Category rank#43,214
Street price$1,869
Power525 W (TGP)
Performance per dollar20.61
Released2025

Specifications

BrandKyndral
ModelKyndral GX-6645 Ultra
Video memory24 GB GDDR7
Memory bus384-bit
Memory speed28 Gbps
Memory bandwidth1,344 GB/s
Shader units18,432
Boost clock2,635 MHz
Bus interfacePCIe 5.0 x16
Total graphics power (TGP)525 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, 341 mm

Related guides

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Cite this page: Hardware Spec Index, “Kyndral GX-6645 Ultra 24GB GDDR7 Graphics Card”, https://vextor7.com/item/83176947 (accessed 2026-10-19).