Hardware Spec Index

Zephyra GX-4390 Prime 16GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX4390-PRIME · Released 2020 · Updated 2026-10-27

Key facts

Benchmark index26,285 (Graphics Cards scale)
Category rank#16,389
Street price$719
Power260 W (TGP)
Performance per dollar36.56
Released2020

Specifications

BrandZephyra
ModelZephyra GX-4390 Prime
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed20 Gbps
Memory bandwidth640 GB/s
Shader units10,496
Boost clock2,198 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)260 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
Card size2.5-slot, 278 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-4390 Prime 16GB GDDR6 Graphics Card”, https://vextor7.com/item/93350882 (accessed 2026-10-27).