Hardware Spec Index

Zephyra GX-3945 Ultra 12GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX3945-ULTRA · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index18,180 (Graphics Cards scale)
Category rank#48,247
Street price$349
Power190 W (TGP)
Performance per dollar52.09
Released2023

Specifications

BrandZephyra
ModelZephyra GX-3945 Ultra
Video memory12 GB GDDR6
Memory bus192-bit
Memory speed20 Gbps
Memory bandwidth480 GB/s
Shader units6,528
Boost clock2,273 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)190 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU600 W
Ray tracingHardware-accelerated
UpscalingFSR 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2.5-slot, 232 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-3945 Ultra 12GB GDDR6 Graphics Card”, https://vextor7.com/item/5771222 (accessed 2026-10-19).