Hardware Spec Index

Kyndral GX-4639 XT 8GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX4639-XT · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index10,305 (Graphics Cards scale)
Category rank#16,186
Street price$119
Power110 W (TGP)
Performance per dollar86.60
Released2019

Specifications

BrandKyndral
ModelKyndral GX-4639 XT
Video memory8 GB GDDR6
Memory bus128-bit
Memory speed18 Gbps
Memory bandwidth288 GB/s
Shader units2,304
Boost clock2,480 MHz
Bus interfacePCIe 3.0 x8
Total graphics power (TGP)110 W
Power connectors1× 8-pin PCIe
Recommended PSU550 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported (firmware update)
Card size2-slot, 208 mm

Related guides

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Cite this page: Hardware Spec Index, “Kyndral GX-4639 XT 8GB GDDR6 Graphics Card”, https://vextor7.com/item/5702829 (accessed 2026-10-19).