Hardware Spec Index

Zephyra GX-4399 Ultra 8GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX4399-ULTRA · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index12,462 (Graphics Cards scale)
Category rank#7,350
Street price$159
Power155 W (TGP)
Performance per dollar78.38
Released2025

Specifications

BrandZephyra
ModelZephyra GX-4399 Ultra
Video memory8 GB GDDR6
Memory bus128-bit
Memory speed18 Gbps
Memory bandwidth288 GB/s
Shader units3,456
Boost clock2,404 MHz
Bus interfacePCIe 5.0 x8
Total graphics power (TGP)155 W
Power connectors2× 8-pin PCIe
Recommended PSU600 W
Ray tracingHardware-accelerated
UpscalingDLSS 4 (frame generation)
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size2-slot, 207 mm

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Cite this page: Hardware Spec Index, “Zephyra GX-4399 Ultra 8GB GDDR6 Graphics Card”, https://vextor7.com/item/7477229 (accessed 2026-10-20).