Hardware Spec Index

Zephyra GX-3978 Ultra 24GB GDDR6X Graphics Card

Graphics Cards · Zephyra · SKU GX3978-ULTRA · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index37,009 (Graphics Cards scale)
Category rank#24,133
Street price$1,569
Power360 W (TGP)
Performance per dollar23.59
Released2022

Specifications

BrandZephyra
ModelZephyra GX-3978 Ultra
Video memory24 GB GDDR6X
Memory bus384-bit
Memory speed19 Gbps
Memory bandwidth912 GB/s
Shader units15,744
Boost clock2,560 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)360 W
Power connectors3× 8-pin PCIe
Recommended PSU800 W
Ray tracingHardware-accelerated
UpscalingDLSS 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 304 mm

Related guides

How Much VRAM Do You Need? 1080p, 1440p, 4K and AIResizable BAR (ReBAR) ExplainedChoosing a GPU for 1440p GamingChoosing a GPU for 4K GamingGDDR7 Memory ExplainedPCIe 5.0 Explained

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Cite this page: Hardware Spec Index, “Zephyra GX-3978 Ultra 24GB GDDR6X Graphics Card”, https://vextor7.com/item/83672503 (accessed 2026-10-20).