Hardware Spec Index

Kyndral GX-6678 Ultra 8GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX6678-ULTRA · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index12,432 (Graphics Cards scale)
Category rank#27,468
Street price$159
Power155 W (TGP)
Performance per dollar78.19
Released2025

Specifications

BrandKyndral
ModelKyndral GX-6678 Ultra
Video memory8 GB GDDR6
Memory bus128-bit
Memory speed16 Gbps
Memory bandwidth256 GB/s
Shader units3,456
Boost clock2,377 MHz
Bus interfacePCIe 5.0 x8
Total graphics power (TGP)155 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU600 W
Ray tracingHardware-accelerated
UpscalingFSR 4, FSR 3.1
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size2-slot, 209 mm

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Cite this page: Hardware Spec Index, “Kyndral GX-6678 Ultra 8GB GDDR6 Graphics Card”, https://vextor7.com/item/84892497 (accessed 2026-10-25).