Hardware Spec Index

Zephyra GX-4778 Prime 12GB GDDR7 Graphics Card

Graphics Cards · Zephyra · SKU GX4778-PRIME · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index29,413 (Graphics Cards scale)
Category rank#42,354
Street price$1,109
Power375 W (TGP)
Performance per dollar26.52
Released2025

Specifications

BrandZephyra
ModelZephyra GX-4778 Prime
Video memory12 GB GDDR7
Memory bus192-bit
Memory speed32 Gbps
Memory bandwidth768 GB/s
Shader units12,288
Boost clock2,838 MHz
Bus interfacePCIe 5.0 x16
Total graphics power (TGP)375 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU800 W
Ray tracingHardware-accelerated
UpscalingDLSS 4 (frame generation)
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size3-slot, 280 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-4778 Prime 12GB GDDR7 Graphics Card”, https://vextor7.com/item/2807222 (accessed 2026-10-24).