Hardware Spec Index

Zephyra GX-3665 Ultra 16GB GDDR6X Graphics Card

Graphics Cards · Zephyra · SKU GX3665-ULTRA · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index31,138 (Graphics Cards scale)
Category rank#26,152
Street price$1,429
Power335 W (TGP)
Performance per dollar21.79
Released2023

Specifications

BrandZephyra
ModelZephyra GX-3665 Ultra
Video memory16 GB GDDR6X
Memory bus256-bit
Memory speed19 Gbps
Memory bandwidth608 GB/s
Shader units14,336
Boost clock2,136 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)335 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU750 W
Ray tracingHardware-accelerated
UpscalingFSR 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 294 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-3665 Ultra 16GB GDDR6X Graphics Card”, https://vextor7.com/item/2934652 (accessed 2026-10-19).