Hardware Spec Index

Zephyra GX-8455 Ultra 16GB GDDR6X Graphics Card

Graphics Cards · Zephyra · SKU GX8455-ULTRA · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index34,509 (Graphics Cards scale)
Category rank#4,927
Street price$1,309
Power330 W (TGP)
Performance per dollar26.36
Released2021

Specifications

BrandZephyra
ModelZephyra GX-8455 Ultra
Video memory16 GB GDDR6X
Memory bus256-bit
Memory speed19 Gbps
Memory bandwidth608 GB/s
Shader units14,208
Boost clock2,353 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)330 W
Power connectors3× 8-pin PCIe
Recommended PSU750 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 297 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-8455 Ultra 16GB GDDR6X Graphics Card”, https://vextor7.com/item/10319720 (accessed 2026-10-23).