Hardware Spec Index

Zephyra GX-6658 Ultra 8GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX6658-ULTRA · Released 2026 · Updated 2026-10-18

Key facts

Benchmark index14,358 (Graphics Cards scale)
Category rank#18,769
Street price$249
Power195 W (TGP)
Performance per dollar57.66
Released2026

Specifications

BrandZephyra
ModelZephyra GX-6658 Ultra
Video memory8 GB GDDR6
Memory bus128-bit
Memory speed18 Gbps
Memory bandwidth288 GB/s
Shader units4,992
Boost clock2,689 MHz
Bus interfacePCIe 5.0 x8
Total graphics power (TGP)195 W
Power connectors2× 8-pin PCIe
Recommended PSU600 W
Ray tracingHardware-accelerated
UpscalingXeSS 2
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size2.5-slot, 228 mm

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Cite this page: Hardware Spec Index, “Zephyra GX-6658 Ultra 8GB GDDR6 Graphics Card”, https://vextor7.com/item/620370 (accessed 2026-10-18).