Hardware Spec Index

Zephyra GX-4451 Ultra 12GB GDDR6X Graphics Card

Graphics Cards · Zephyra · SKU GX4451-ULTRA · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index27,875 (Graphics Cards scale)
Category rank#27,751
Street price$999
Power280 W (TGP)
Performance per dollar27.90
Released2023

Specifications

BrandZephyra
ModelZephyra GX-4451 Ultra
Video memory12 GB GDDR6X
Memory bus192-bit
Memory speed21 Gbps
Memory bandwidth504 GB/s
Shader units11,392
Boost clock2,046 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)280 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 size3-slot, 283 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-4451 Ultra 12GB GDDR6X Graphics Card”, https://vextor7.com/item/2836261 (accessed 2026-10-21).