Hardware Spec Index

Zephyra GX-4778 XT 16GB GDDR6X Graphics Card

Graphics Cards · Zephyra · SKU GX4778-XT · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index32,299 (Graphics Cards scale)
Category rank#25,752
Street price$1,399
Power335 W (TGP)
Performance per dollar23.09
Released2023

Specifications

BrandZephyra
ModelZephyra GX-4778 XT
Video memory16 GB GDDR6X
Memory bus256-bit
Memory speed22.4 Gbps
Memory bandwidth717 GB/s
Shader units14,336
Boost clock2,271 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)335 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU750 W
Ray tracingHardware-accelerated
UpscalingFSR 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 296 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-4778 XT 16GB GDDR6X Graphics Card”, https://vextor7.com/item/8916692 (accessed 2026-10-21).