Hardware Spec Index

Kyndral GX-6642 Ultra 8GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX6642-ULTRA · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index20,245 (Graphics Cards scale)
Category rank#4,006
Street price$559
Power220 W (TGP)
Performance per dollar36.22
Released2021

Specifications

BrandKyndral
ModelKyndral GX-6642 Ultra
Video memory8 GB GDDR6
Memory bus128-bit
Memory speed20 Gbps
Memory bandwidth320 GB/s
Shader units8,192
Boost clock1,804 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)220 W
Power connectors2× 8-pin PCIe
Recommended PSU650 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2.5-slot, 252 mm

Related guides

How Much VRAM Do You Need? 1080p, 1440p, 4K and AIResizable BAR (ReBAR) ExplainedGDDR7 Memory ExplainedChoosing a GPU for 1440p GamingChoosing a GPU for 4K GamingPCIe 5.0 Explained

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Cite this page: Hardware Spec Index, “Kyndral GX-6642 Ultra 8GB GDDR6 Graphics Card”, https://vextor7.com/item/10028112 (accessed 2026-10-26).