Hardware Spec Index

Zephyra GX-3648 Ultra 12GB GDDR7 Graphics Card

Graphics Cards · Zephyra · SKU GX3648-ULTRA · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index25,360 (Graphics Cards scale)
Category rank#20,843
Street price$689
Power325 W (TGP)
Performance per dollar36.81
Released2025

Specifications

BrandZephyra
ModelZephyra GX-3648 Ultra
Video memory12 GB GDDR7
Memory bus192-bit
Memory speed32 Gbps
Memory bandwidth768 GB/s
Shader units10,240
Boost clock2,409 MHz
Bus interfacePCIe 5.0 x16
Total graphics power (TGP)325 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU750 W
Ray tracingHardware-accelerated
UpscalingXeSS 2
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size3-slot, 269 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-3648 Ultra 12GB GDDR7 Graphics Card”, https://vextor7.com/item/5289702 (accessed 2026-10-25).