Hardware Spec Index

Zephyra GX-4455 XT 16GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX4455-XT · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index25,889 (Graphics Cards scale)
Category rank#6,242
Street price$749
Power255 W (TGP)
Performance per dollar34.56
Released2023

Specifications

BrandZephyra
ModelZephyra GX-4455 XT
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed20 Gbps
Memory bandwidth640 GB/s
Shader units10,240
Boost clock1,794 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)255 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU700 W
Ray tracingHardware-accelerated
UpscalingXeSS
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2.5-slot, 266 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-4455 XT 16GB GDDR6 Graphics Card”, https://vextor7.com/item/17533797 (accessed 2026-10-19).