Hardware Spec Index

Zephyra GX-4491 Prime 12GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX4491-PRIME · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index21,560 (Graphics Cards scale)
Category rank#35,959
Street price$549
Power225 W (TGP)
Performance per dollar39.27
Released2024

Specifications

BrandZephyra
ModelZephyra GX-4491 Prime
Video memory12 GB GDDR6
Memory bus192-bit
Memory speed18 Gbps
Memory bandwidth432 GB/s
Shader units8,576
Boost clock2,296 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)225 W
Power connectors2× 8-pin PCIe
Recommended PSU650 W
Ray tracingHardware-accelerated
UpscalingDLSS 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2.5-slot, 259 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-4491 Prime 12GB GDDR6 Graphics Card”, https://vextor7.com/item/8987459 (accessed 2026-10-22).