Hardware Spec Index

Zephyra GX-4668 Ultra 16GB GDDR6X Graphics Card

Graphics Cards · Zephyra · SKU GX4668-ULTRA · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index26,527 (Graphics Cards scale)
Category rank#21,129
Street price$969
Power275 W (TGP)
Performance per dollar27.38
Released2023

Specifications

BrandZephyra
ModelZephyra GX-4668 Ultra
Video memory16 GB GDDR6X
Memory bus256-bit
Memory speed21 Gbps
Memory bandwidth672 GB/s
Shader units11,264
Boost clock2,502 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)275 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU700 W
Ray tracingHardware-accelerated
UpscalingDLSS 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 281 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-4668 Ultra 16GB GDDR6X Graphics Card”, https://vextor7.com/item/544491 (accessed 2026-10-19).