Hardware Spec Index

Zephyra GX-1664 XT 24GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX1664-XT · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index33,134 (Graphics Cards scale)
Category rank#7,326
Street price$1,699
Power355 W (TGP)
Performance per dollar19.50
Released2019

Specifications

BrandZephyra
ModelZephyra GX-1664 XT
Video memory24 GB GDDR6
Memory bus384-bit
Memory speed14 Gbps
Memory bandwidth672 GB/s
Shader units15,488
Boost clock1,986 MHz
Bus interfacePCIe 3.0 x16
Total graphics power (TGP)355 W
Power connectors3× 8-pin PCIe
Recommended PSU800 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported (firmware update)
Card size3-slot, 318 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-1664 XT 24GB GDDR6 Graphics Card”, https://vextor7.com/item/96432734 (accessed 2026-10-24).