Hardware Spec Index

Zephyra GX-4778 XT 32GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX4778-XT · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index36,646 (Graphics Cards scale)
Category rank#26,973
Street price$1,389
Power355 W (TGP)
Performance per dollar26.38
Released2021

Specifications

BrandZephyra
ModelZephyra GX-4778 XT
Video memory32 GB GDDR6
Memory bus512-bit
Memory speed16 Gbps
Memory bandwidth1,024 GB/s
Shader units15,360
Boost clock2,267 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)355 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, 318 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-4778 XT 32GB GDDR6 Graphics Card”, https://vextor7.com/item/179211 (accessed 2026-10-21).