Hardware Spec Index

Zephyra GX-5821 Ultra 16GB GDDR6X Graphics Card

Graphics Cards · Zephyra · SKU GX5821-ULTRA · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index30,889 (Graphics Cards scale)
Category rank#32,055
Street price$939
Power300 W (TGP)
Performance per dollar32.90
Released2022

Specifications

BrandZephyra
ModelZephyra GX-5821 Ultra
Video memory16 GB GDDR6X
Memory bus256-bit
Memory speed22.4 Gbps
Memory bandwidth717 GB/s
Shader units12,544
Boost clock1,928 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)300 W
Power connectors3× 8-pin PCIe
Recommended PSU700 W
Ray tracingHardware-accelerated
UpscalingXeSS
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 281 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-5821 Ultra 16GB GDDR6X Graphics Card”, https://vextor7.com/item/2708786 (accessed 2026-10-23).