Hardware Spec Index

Zephyra GX-4255 Ultra 8GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX4255-ULTRA · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index11,099 (Graphics Cards scale)
Category rank#24,887
Street price$119
Power115 W (TGP)
Performance per dollar93.27
Released2023

Specifications

BrandZephyra
ModelZephyra GX-4255 Ultra
Video memory8 GB GDDR6
Memory bus128-bit
Memory speed20 Gbps
Memory bandwidth320 GB/s
Shader units2,688
Boost clock1,738 MHz
Bus interfacePCIe 4.0 x8
Total graphics power (TGP)115 W
Power connectors1× 8-pin PCIe
Recommended PSU550 W
Ray tracingHardware-accelerated
UpscalingFSR 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2-slot, 208 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-4255 Ultra 8GB GDDR6 Graphics Card”, https://vextor7.com/item/21925577 (accessed 2026-10-26).