Hardware Spec Index

Zephyra GX-3477 Ultra 24GB GDDR6X Graphics Card

Graphics Cards · Zephyra · SKU GX3477-ULTRA · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index39,167 (Graphics Cards scale)
Category rank#10,228
Street price$1,619
Power380 W (TGP)
Performance per dollar24.19
Released2021

Specifications

BrandZephyra
ModelZephyra GX-3477 Ultra
Video memory24 GB GDDR6X
Memory bus384-bit
Memory speed21 Gbps
Memory bandwidth1,008 GB/s
Shader units16,640
Boost clock2,382 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)380 W
Power connectors3× 8-pin PCIe
Recommended PSU800 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 310 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-3477 Ultra 24GB GDDR6X Graphics Card”, https://vextor7.com/item/8979050 (accessed 2026-10-20).