Hardware Spec Index

Zephyra GX-4458 Ultra 16GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX4458-ULTRA · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index34,733 (Graphics Cards scale)
Category rank#38,141
Street price$1,509
Power370 W (TGP)
Performance per dollar23.02
Released2021

Specifications

BrandZephyra
ModelZephyra GX-4458 Ultra
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed18 Gbps
Memory bandwidth576 GB/s
Shader units16,384
Boost clock2,397 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)370 W
Power connectors3× 8-pin PCIe
Recommended PSU800 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 315 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-4458 Ultra 16GB GDDR6 Graphics Card”, https://vextor7.com/item/10029316 (accessed 2026-10-22).