Hardware Spec Index

Zephyra GX-3391 Prime 12GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX3391-PRIME · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index24,797 (Graphics Cards scale)
Category rank#2,527
Street price$679
Power240 W (TGP)
Performance per dollar36.52
Released2024

Specifications

BrandZephyra
ModelZephyra GX-3391 Prime
Video memory12 GB GDDR6
Memory bus192-bit
Memory speed14 Gbps
Memory bandwidth336 GB/s
Shader units9,344
Boost clock1,990 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)240 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, 264 mm

Related guides

How Much VRAM Do You Need? 1080p, 1440p, 4K and AIResizable BAR (ReBAR) ExplainedChoosing a GPU for 1440p GamingGDDR7 Memory ExplainedChoosing a GPU for 4K GamingPCIe 5.0 Explained

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Cite this page: Hardware Spec Index, “Zephyra GX-3391 Prime 12GB GDDR6 Graphics Card”, https://vextor7.com/item/41310612 (accessed 2026-10-23).