Hardware Spec Index

Zephyra GX-1818 Ultra 24GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX1818-ULTRA · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index43,216 (Graphics Cards scale)
Category rank#41,509
Street price$2,129
Power440 W (TGP)
Performance per dollar20.30
Released2020

Specifications

BrandZephyra
ModelZephyra GX-1818 Ultra
Video memory24 GB GDDR6
Memory bus384-bit
Memory speed20 Gbps
Memory bandwidth960 GB/s
Shader units19,968
Boost clock1,850 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)440 W
Power connectors3× 8-pin PCIe
Recommended PSU850 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported
Card size3.5-slot, 343 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-1818 Ultra 24GB GDDR6 Graphics Card”, https://vextor7.com/item/41914196 (accessed 2026-10-26).