Hardware Spec Index

Zephyra GX-4477 Ultra 12GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX4477-ULTRA · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index15,745 (Graphics Cards scale)
Category rank#21,241
Street price$259
Power165 W (TGP)
Performance per dollar60.79
Released2023

Specifications

BrandZephyra
ModelZephyra GX-4477 Ultra
Video memory12 GB GDDR6
Memory bus192-bit
Memory speed14 Gbps
Memory bandwidth336 GB/s
Shader units5,248
Boost clock2,437 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)165 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU600 W
Ray tracingHardware-accelerated
UpscalingDLSS 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2-slot, 221 mm

Related guides

How Much VRAM Do You Need? 1080p, 1440p, 4K and AIResizable BAR (ReBAR) ExplainedGDDR7 Memory ExplainedChoosing a GPU for 1440p GamingChoosing a GPU for 4K GamingPCIe 5.0 Explained

Similar Graphics Cards

ModelBenchmarkPriceCompare
Kyndral GX-8281 Prime 32GB GDDR6 Graphics Card39,858$1,899Compare
Zephyra GX-7433 Core 16GB GDDR6 Graphics Card29,879$1,199Compare
Kyndral GX-6905 Prime 16GB GDDR6 Graphics Card29,526$949Compare
Teralux GX-7571 Ultra 16GB GDDR6 Graphics Card20,854$449Compare
Teralux GX-3433 Edge 32GB GDDR6 Graphics Card40,172$1,949Compare
Veltrix GX-5449 XT 32GB GDDR6X Graphics Card43,150$2,499Compare

All Graphics Cards · JSON

Cite this page: Hardware Spec Index, “Zephyra GX-4477 Ultra 12GB GDDR6 Graphics Card”, https://vextor7.com/item/73316811 (accessed 2026-10-20).