Hardware Spec Index

Zephyra GX-4891 XT 16GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX4891-XT · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index30,402 (Graphics Cards scale)
Category rank#43,854
Street price$1,039
Power300 W (TGP)
Performance per dollar29.26
Released2021

Specifications

BrandZephyra
ModelZephyra GX-4891 XT
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed16 Gbps
Memory bandwidth512 GB/s
Shader units12,544
Boost clock2,207 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)300 W
Power connectors3× 8-pin PCIe
Recommended PSU700 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 285 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-4891 XT 16GB GDDR6 Graphics Card”, https://vextor7.com/item/91553 (accessed 2026-10-19).