Hardware Spec Index

Zephyra GX-8621 Ultra 12GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX8621-ULTRA · Released 2023 · Updated 2026-10-27

Key facts

Benchmark index26,524 (Graphics Cards scale)
Category rank#36,731
Street price$699
Power255 W (TGP)
Performance per dollar37.95
Released2023

Specifications

BrandZephyra
ModelZephyra GX-8621 Ultra
Video memory12 GB GDDR6
Memory bus192-bit
Memory speed14 Gbps
Memory bandwidth336 GB/s
Shader units10,240
Boost clock2,134 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)255 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU700 W
Ray tracingHardware-accelerated
UpscalingXeSS
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2.5-slot, 268 mm

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Cite this page: Hardware Spec Index, “Zephyra GX-8621 Ultra 12GB GDDR6 Graphics Card”, https://vextor7.com/item/46435387 (accessed 2026-10-27).