Hardware Spec Index

Zephyra GX-5900 Ultra 16GB GDDR6X Graphics Card

Graphics Cards · Zephyra · SKU GX5900-ULTRA · Released 2021 · Updated 2026-10-18

Key facts

Benchmark index35,894 (Graphics Cards scale)
Category rank#2,118
Street price$1,619
Power365 W (TGP)
Performance per dollar22.17
Released2021

Specifications

BrandZephyra
ModelZephyra GX-5900 Ultra
Video memory16 GB GDDR6X
Memory bus256-bit
Memory speed21 Gbps
Memory bandwidth672 GB/s
Shader units16,000
Boost clock2,475 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)365 W
Power connectors3× 8-pin PCIe
Recommended PSU800 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 317 mm

Related guides

How Much VRAM Do You Need? 1080p, 1440p, 4K and AIResizable BAR (ReBAR) ExplainedChoosing a GPU for 1440p GamingChoosing a GPU for 4K GamingGDDR7 Memory ExplainedPCIe 5.0 Explained

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Cite this page: Hardware Spec Index, “Zephyra GX-5900 Ultra 16GB GDDR6X Graphics Card”, https://vextor7.com/item/705267 (accessed 2026-10-18).