Hardware Spec Index

Kyndral GX-8456 Ultra 32GB GDDR7 Graphics Card

Graphics Cards · Kyndral · SKU GX8456-ULTRA · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index43,750 (Graphics Cards scale)
Category rank#6,621
Street price$2,159
Power560 W (TGP)
Performance per dollar20.26
Released2025

Specifications

BrandKyndral
ModelKyndral GX-8456 Ultra
Video memory32 GB GDDR7
Memory bus512-bit
Memory speed30 Gbps
Memory bandwidth1,920 GB/s
Shader units19,968
Boost clock2,475 MHz
Bus interfacePCIe 5.0 x16
Total graphics power (TGP)560 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU1000 W
Ray tracingHardware-accelerated
UpscalingDLSS 4 (frame generation)
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size3.5-slot, 350 mm

Related guides

How Much VRAM Do You Need? 1080p, 1440p, 4K and AIResizable BAR (ReBAR) ExplainedGDDR7 Memory ExplainedPCIe 5.0 ExplainedPCIe 4.0 vs PCIe 5.0Choosing a GPU for 4K Gaming

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Cite this page: Hardware Spec Index, “Kyndral GX-8456 Ultra 32GB GDDR7 Graphics Card”, https://vextor7.com/item/45803428 (accessed 2026-10-24).