Hardware Spec Index

Zephyra GX-4623 Ultra 16GB GDDR7 Graphics Card

Graphics Cards · Zephyra · SKU GX4623-ULTRA · Released 2025 · Updated 2026-10-18

Key facts

Benchmark index37,974 (Graphics Cards scale)
Category rank#42,859
Street price$1,949
Power505 W (TGP)
Performance per dollar19.48
Released2025

Specifications

BrandZephyra
ModelZephyra GX-4623 Ultra
Video memory16 GB GDDR7
Memory bus256-bit
Memory speed28 Gbps
Memory bandwidth896 GB/s
Shader units17,664
Boost clock2,693 MHz
Bus interfacePCIe 5.0 x16
Total graphics power (TGP)505 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU950 W
Ray tracingHardware-accelerated
UpscalingXeSS 2
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size3.5-slot, 322 mm

Related guides

How Much VRAM Do You Need? 1080p, 1440p, 4K and AIResizable BAR (ReBAR) ExplainedGDDR7 Memory ExplainedPCIe 5.0 ExplainedPCIe 4.0 vs PCIe 5.0Choosing a GPU for 4K Gaming

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Cite this page: Hardware Spec Index, “Zephyra GX-4623 Ultra 16GB GDDR7 Graphics Card”, https://vextor7.com/item/78287417 (accessed 2026-10-18).