Hardware Spec Index

Zephyra GX-6420 Prime 12GB GDDR7 Graphics Card

Graphics Cards · Zephyra · SKU GX6420-PRIME · Released 2025 · Updated 2026-10-27

Key facts

Benchmark index18,454 (Graphics Cards scale)
Category rank#45,074
Street price$359
Power235 W (TGP)
Performance per dollar51.40
Released2025

Specifications

BrandZephyra
ModelZephyra GX-6420 Prime
Video memory12 GB GDDR7
Memory bus192-bit
Memory speed28 Gbps
Memory bandwidth672 GB/s
Shader units6,656
Boost clock2,584 MHz
Bus interfacePCIe 5.0 x16
Total graphics power (TGP)235 W
Power connectors2× 8-pin PCIe
Recommended PSU650 W
Ray tracingHardware-accelerated
UpscalingFSR 4, FSR 3.1
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size2.5-slot, 241 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-6420 Prime 12GB GDDR7 Graphics Card”, https://vextor7.com/item/12521900 (accessed 2026-10-27).