Hardware Spec Index

Zephyra GX-6420 Ultra 12GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX6420-ULTRA · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index24,455 (Graphics Cards scale)
Category rank#44,389
Street price$789
Power260 W (TGP)
Performance per dollar30.99
Released2022

Specifications

BrandZephyra
ModelZephyra GX-6420 Ultra
Video memory12 GB GDDR6
Memory bus192-bit
Memory speed14 Gbps
Memory bandwidth336 GB/s
Shader units10,368
Boost clock2,363 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)260 W
Power connectors3× 8-pin PCIe
Recommended PSU700 W
Ray tracingHardware-accelerated
UpscalingFSR 2
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2.5-slot, 264 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-6420 Ultra 12GB GDDR6 Graphics Card”, https://vextor7.com/item/2457134 (accessed 2026-10-19).