Hardware Spec Index

Zephyra GX-5559 XT 16GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX5559-XT · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index34,148 (Graphics Cards scale)
Category rank#2,326
Street price$1,489
Power355 W (TGP)
Performance per dollar22.93
Released2019

Specifications

BrandZephyra
ModelZephyra GX-5559 XT
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed16 Gbps
Memory bandwidth512 GB/s
Shader units15,488
Boost clock2,048 MHz
Bus interfacePCIe 3.0 x16
Total graphics power (TGP)355 W
Power connectors3× 8-pin PCIe
Recommended PSU800 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported (firmware update)
Card size3-slot, 315 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-5559 XT 16GB GDDR6 Graphics Card”, https://vextor7.com/item/96862950 (accessed 2026-10-25).