Hardware Spec Index

Zephyra GX-5403 Ultra 12GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX5403-ULTRA · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index20,550 (Graphics Cards scale)
Category rank#25,071
Street price$489
Power220 W (TGP)
Performance per dollar42.02
Released2019

Specifications

BrandZephyra
ModelZephyra GX-5403 Ultra
Video memory12 GB GDDR6
Memory bus192-bit
Memory speed20 Gbps
Memory bandwidth480 GB/s
Shader units8,064
Boost clock2,296 MHz
Bus interfacePCIe 3.0 x16
Total graphics power (TGP)220 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, 247 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-5403 Ultra 12GB GDDR6 Graphics Card”, https://vextor7.com/item/4884058 (accessed 2026-10-21).