Hardware Spec Index

Teralux GX-3866 Ultra 16GB GDDR7 Graphics Card

Graphics Cards · Teralux · SKU GX3866-ULTRA · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index18,069 (Graphics Cards scale)
Category rank#21,144
Street price$399
Power245 W (TGP)
Performance per dollar45.29
Released2026

Specifications

BrandTeralux
ModelTeralux GX-3866 Ultra
Video memory16 GB GDDR7
Memory bus256-bit
Memory speed28 Gbps
Memory bandwidth896 GB/s
Shader units7,040
Boost clock2,585 MHz
Bus interfacePCIe 5.0 x16
Total graphics power (TGP)245 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU650 W
Ray tracingHardware-accelerated
UpscalingXeSS 2
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size2.5-slot, 235 mm

Related guides

How Much VRAM Do You Need? 1080p, 1440p, 4K and AIResizable BAR (ReBAR) ExplainedGDDR7 Memory ExplainedPCIe 5.0 ExplainedPCIe 4.0 vs PCIe 5.0Choosing a GPU for 1440p Gaming

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Cite this page: Hardware Spec Index, “Teralux GX-3866 Ultra 16GB GDDR7 Graphics Card”, https://vextor7.com/item/97276405 (accessed 2026-10-20).