Hardware Spec Index

Zephyra GX-6403 Core 24GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX6403-CORE · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index44,800 (Graphics Cards scale)
Category rank#28,220
Street price$2,499
Power450 W (TGP)
Performance per dollar17.93
Released2022

Specifications

BrandZephyra
ModelZephyra GX-6403 Core
Video memory24 GB GDDR6
Memory bus384-bit
Memory speed16 Gbps
Memory bandwidth768 GB/s
Shader units20,480
Boost clock1,987 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)450 W
Power connectors3× 8-pin PCIe
Recommended PSU850 W
Ray tracingHardware-accelerated
UpscalingDLSS 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3.5-slot, 341 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-6403 Core 24GB GDDR6 Graphics Card”, https://vextor7.com/item/43677552 (accessed 2026-10-23).