Hardware Spec Index

Zephyra GX-8403 Prime 16GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX8403-PRIME · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index28,017 (Graphics Cards scale)
Category rank#8,492
Street price$959
Power280 W (TGP)
Performance per dollar29.21
Released2023

Specifications

BrandZephyra
ModelZephyra GX-8403 Prime
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed18 Gbps
Memory bandwidth576 GB/s
Shader units11,520
Boost clock1,940 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)280 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 size3-slot, 273 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-8403 Prime 16GB GDDR6 Graphics Card”, https://vextor7.com/item/7687559 (accessed 2026-10-25).