Hardware Spec Index

Zephyra GX-1603 Ultra 16GB GDDR6X Graphics Card

Graphics Cards · Zephyra · SKU GX1603-ULTRA · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index31,886 (Graphics Cards scale)
Category rank#21,408
Street price$1,099
Power320 W (TGP)
Performance per dollar29.01
Released2022

Specifications

BrandZephyra
ModelZephyra GX-1603 Ultra
Video memory16 GB GDDR6X
Memory bus256-bit
Memory speed21 Gbps
Memory bandwidth672 GB/s
Shader units13,696
Boost clock1,767 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)320 W
Power connectors3× 8-pin PCIe
Recommended PSU750 W
Ray tracingHardware-accelerated
UpscalingXeSS
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 297 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-1603 Ultra 16GB GDDR6X Graphics Card”, https://vextor7.com/item/21886269 (accessed 2026-10-24).