Hardware Spec Index

Kyndral GX-6638 XT 8GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX6638-XT · Released 2026 · Updated 2026-10-26

Key facts

Benchmark index14,177 (Graphics Cards scale)
Category rank#38,218
Street price$189
Power175 W (TGP)
Performance per dollar75.01
Released2026

Specifications

BrandKyndral
ModelKyndral GX-6638 XT
Video memory8 GB GDDR6
Memory bus128-bit
Memory speed18 Gbps
Memory bandwidth288 GB/s
Shader units4,224
Boost clock2,596 MHz
Bus interfacePCIe 5.0 x8
Total graphics power (TGP)175 W
Power connectors2× 8-pin PCIe
Recommended PSU600 W
Ray tracingHardware-accelerated
UpscalingFSR 4, FSR 3.1
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size2.5-slot, 215 mm

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Cite this page: Hardware Spec Index, “Kyndral GX-6638 XT 8GB GDDR6 Graphics Card”, https://vextor7.com/item/79061518 (accessed 2026-10-26).