Hardware Spec Index

Zephyra GX-4389 Ultra 16GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX4389-ULTRA · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index26,375 (Graphics Cards scale)
Category rank#16,431
Street price$789
Power255 W (TGP)
Performance per dollar33.43
Released2019

Specifications

BrandZephyra
ModelZephyra GX-4389 Ultra
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed16 Gbps
Memory bandwidth512 GB/s
Shader units10,112
Boost clock2,006 MHz
Bus interfacePCIe 3.0 x16
Total graphics power (TGP)255 W
Power connectors3× 8-pin PCIe
Recommended PSU700 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported (firmware update)
Card size2.5-slot, 263 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-4389 Ultra 16GB GDDR6 Graphics Card”, https://vextor7.com/item/7147237 (accessed 2026-10-19).