Hardware Spec Index

Zephyra GX-6658 Ultra 24GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX6658-ULTRA · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index43,505 (Graphics Cards scale)
Category rank#19,545
Street price$2,299
Power420 W (TGP)
Performance per dollar18.92
Released2022

Specifications

BrandZephyra
ModelZephyra GX-6658 Ultra
Video memory24 GB GDDR6
Memory bus384-bit
Memory speed20 Gbps
Memory bandwidth960 GB/s
Shader units19,072
Boost clock1,873 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)420 W
Power connectors3× 8-pin PCIe
Recommended PSU850 W
Ray tracingHardware-accelerated
UpscalingFSR 2
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3.5-slot, 337 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-6658 Ultra 24GB GDDR6 Graphics Card”, https://vextor7.com/item/36029433 (accessed 2026-10-23).