Hardware Spec Index

Zephyra GX-9991 XT 16GB GDDR6X Graphics Card

Graphics Cards · Zephyra · SKU GX9991-XT · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index31,463 (Graphics Cards scale)
Category rank#27,024
Street price$1,149
Power315 W (TGP)
Performance per dollar27.38
Released2024

Specifications

BrandZephyra
ModelZephyra GX-9991 XT
Video memory16 GB GDDR6X
Memory bus256-bit
Memory speed21 Gbps
Memory bandwidth672 GB/s
Shader units13,440
Boost clock1,826 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)315 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU750 W
Ray tracingHardware-accelerated
UpscalingXeSS 2
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 296 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-9991 XT 16GB GDDR6X Graphics Card”, https://vextor7.com/item/888665 (accessed 2026-10-19).