Hardware Spec Index

Zephyra GX-8403 SE 8GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX8403-SE · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index12,993 (Graphics Cards scale)
Category rank#22,726
Street price$149
Power135 W (TGP)
Performance per dollar87.20
Released2023

Specifications

BrandZephyra
ModelZephyra GX-8403 SE
Video memory8 GB GDDR6
Memory bus128-bit
Memory speed14 Gbps
Memory bandwidth224 GB/s
Shader units3,584
Boost clock1,891 MHz
Bus interfacePCIe 4.0 x8
Total graphics power (TGP)135 W
Power connectors1× 8-pin PCIe
Recommended PSU550 W
Ray tracingHardware-accelerated
UpscalingFSR 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2-slot, 209 mm

Related guides

How Much VRAM Do You Need? 1080p, 1440p, 4K and AIResizable BAR (ReBAR) ExplainedGDDR7 Memory ExplainedChoosing a GPU for 1440p GamingChoosing a GPU for 4K GamingPCIe 5.0 Explained

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Cite this page: Hardware Spec Index, “Zephyra GX-8403 SE 8GB GDDR6 Graphics Card”, https://vextor7.com/item/4759968 (accessed 2026-10-23).