Hardware Spec Index

Zephyra GX-1666 XT 16GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX1666-XT · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index25,178 (Graphics Cards scale)
Category rank#40,774
Street price$809
Power270 W (TGP)
Performance per dollar31.12
Released2021

Specifications

BrandZephyra
ModelZephyra GX-1666 XT
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed20 Gbps
Memory bandwidth640 GB/s
Shader units11,008
Boost clock2,370 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)270 W
Power connectors3× 8-pin PCIe
Recommended PSU700 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 276 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-1666 XT 16GB GDDR6 Graphics Card”, https://vextor7.com/item/4594476 (accessed 2026-10-20).