Hardware Spec Index

Zephyra GX-4423 Ultra 16GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX4423-ULTRA · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index22,798 (Graphics Cards scale)
Category rank#45,095
Street price$639
Power240 W (TGP)
Performance per dollar35.68
Released2019

Specifications

BrandZephyra
ModelZephyra GX-4423 Ultra
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed20 Gbps
Memory bandwidth640 GB/s
Shader units9,216
Boost clock1,819 MHz
Bus interfacePCIe 3.0 x16
Total graphics power (TGP)240 W
Power connectors2× 8-pin PCIe
Recommended PSU650 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported (firmware update)
Card size2.5-slot, 261 mm

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Cite this page: Hardware Spec Index, “Zephyra GX-4423 Ultra 16GB GDDR6 Graphics Card”, https://vextor7.com/item/93978326 (accessed 2026-10-25).