Hardware Spec Index

Zephyra GX-8308 Ultra 12GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX8308-ULTRA · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index29,126 (Graphics Cards scale)
Category rank#21,002
Street price$1,059
Power285 W (TGP)
Performance per dollar27.50
Released2020

Specifications

BrandZephyra
ModelZephyra GX-8308 Ultra
Video memory12 GB GDDR6
Memory bus192-bit
Memory speed20 Gbps
Memory bandwidth480 GB/s
Shader units11,776
Boost clock2,337 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)285 W
Power connectors3× 8-pin PCIe
Recommended PSU700 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported
Card size3-slot, 274 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-8308 Ultra 12GB GDDR6 Graphics Card”, https://vextor7.com/item/18036166 (accessed 2026-10-21).