Hardware Spec Index

Zephyra GX-1821 Prime 24GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX1821-PRIME · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index37,372 (Graphics Cards scale)
Category rank#1,667
Street price$1,669
Power390 W (TGP)
Performance per dollar22.39
Released2023

Specifications

BrandZephyra
ModelZephyra GX-1821 Prime
Video memory24 GB GDDR6
Memory bus384-bit
Memory speed20 Gbps
Memory bandwidth960 GB/s
Shader units17,280
Boost clock2,242 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)390 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU800 W
Ray tracingHardware-accelerated
UpscalingFSR 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 314 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-1821 Prime 24GB GDDR6 Graphics Card”, https://vextor7.com/item/32942104 (accessed 2026-10-20).