Hardware Spec Index

Zephyra GX-3990 Ultra 8GB GDDR7 Graphics Card

Graphics Cards · Zephyra · SKU GX3990-ULTRA · Released 2026 · Updated 2026-10-18

Key facts

Benchmark index17,654 (Graphics Cards scale)
Category rank#7,295
Street price$399
Power235 W (TGP)
Performance per dollar44.25
Released2026

Specifications

BrandZephyra
ModelZephyra GX-3990 Ultra
Video memory8 GB GDDR7
Memory bus128-bit
Memory speed30 Gbps
Memory bandwidth480 GB/s
Shader units6,656
Boost clock2,339 MHz
Bus interfacePCIe 5.0 x8
Total graphics power (TGP)235 W
Power connectors2× 8-pin PCIe
Recommended PSU650 W
Ray tracingHardware-accelerated
UpscalingXeSS 2
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size2.5-slot, 242 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-3990 Ultra 8GB GDDR7 Graphics Card”, https://vextor7.com/item/6835624 (accessed 2026-10-18).