Hardware Spec Index

Kyndral GX-4639 Prime 8GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX4639-PRIME · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index16,207 (Graphics Cards scale)
Category rank#27,116
Street price$269
Power165 W (TGP)
Performance per dollar60.25
Released2023

Specifications

BrandKyndral
ModelKyndral GX-4639 Prime
Video memory8 GB GDDR6
Memory bus128-bit
Memory speed18 Gbps
Memory bandwidth288 GB/s
Shader units5,376
Boost clock1,838 MHz
Bus interfacePCIe 4.0 x8
Total graphics power (TGP)165 W
Power connectors2× 8-pin PCIe
Recommended PSU600 W
Ray tracingHardware-accelerated
UpscalingFSR 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2-slot, 230 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-4639 Prime 8GB GDDR6 Graphics Card”, https://vextor7.com/item/7900941 (accessed 2026-10-20).