Hardware Spec Index

Zephyra GX-2421 XT 16GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX2421-XT · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index31,531 (Graphics Cards scale)
Category rank#27,789
Street price$1,129
Power305 W (TGP)
Performance per dollar27.93
Released2020

Specifications

BrandZephyra
ModelZephyra GX-2421 XT
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed18 Gbps
Memory bandwidth576 GB/s
Shader units12,672
Boost clock2,243 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)305 W
Power connectors3× 8-pin PCIe
Recommended PSU750 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported
Card size3-slot, 279 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-2421 XT 16GB GDDR6 Graphics Card”, https://vextor7.com/item/1107018 (accessed 2026-10-23).