Hardware Spec Index

Zephyra GX-3640 Ultra 16GB GDDR7 Graphics Card

Graphics Cards · Zephyra · SKU GX3640-ULTRA · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index20,068 (Graphics Cards scale)
Category rank#5,495
Street price$459
Power270 W (TGP)
Performance per dollar43.72
Released2025

Specifications

BrandZephyra
ModelZephyra GX-3640 Ultra
Video memory16 GB GDDR7
Memory bus256-bit
Memory speed32 Gbps
Memory bandwidth1,024 GB/s
Shader units8,064
Boost clock2,543 MHz
Bus interfacePCIe 5.0 x16
Total graphics power (TGP)270 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU700 W
Ray tracingHardware-accelerated
UpscalingXeSS 2
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size3-slot, 254 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-3640 Ultra 16GB GDDR7 Graphics Card”, https://vextor7.com/item/31315265 (accessed 2026-10-23).