Hardware Spec Index

Zephyra GX-6577 Ultra 8GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX6577-ULTRA · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index12,240 (Graphics Cards scale)
Category rank#42,330
Street price$189
Power165 W (TGP)
Performance per dollar64.76
Released2025

Specifications

BrandZephyra
ModelZephyra GX-6577 Ultra
Video memory8 GB GDDR6
Memory bus128-bit
Memory speed18 Gbps
Memory bandwidth288 GB/s
Shader units3,712
Boost clock2,344 MHz
Bus interfacePCIe 5.0 x8
Total graphics power (TGP)165 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU600 W
Ray tracingHardware-accelerated
UpscalingXeSS 2
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size2-slot, 218 mm

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Cite this page: Hardware Spec Index, “Zephyra GX-6577 Ultra 8GB GDDR6 Graphics Card”, https://vextor7.com/item/15425918 (accessed 2026-10-26).