Hardware Spec Index

Zephyra GX-8420 Prime 24GB GDDR6X Graphics Card

Graphics Cards · Zephyra · SKU GX8420-PRIME · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index43,778 (Graphics Cards scale)
Category rank#45,257
Street price$2,149
Power435 W (TGP)
Performance per dollar20.37
Released2023

Specifications

BrandZephyra
ModelZephyra GX-8420 Prime
Video memory24 GB GDDR6X
Memory bus384-bit
Memory speed22.4 Gbps
Memory bandwidth1,075 GB/s
Shader units19,712
Boost clock2,593 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)435 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU850 W
Ray tracingHardware-accelerated
UpscalingFSR 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3.5-slot, 349 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-8420 Prime 24GB GDDR6X Graphics Card”, https://vextor7.com/item/46984710 (accessed 2026-10-21).