Hardware Spec Index

Zephyra GX-6991 Prime 16GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX6991-PRIME · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index18,654 (Graphics Cards scale)
Category rank#21,707
Street price$429
Power205 W (TGP)
Performance per dollar43.48
Released2019

Specifications

BrandZephyra
ModelZephyra GX-6991 Prime
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed14 Gbps
Memory bandwidth448 GB/s
Shader units7,424
Boost clock2,339 MHz
Bus interfacePCIe 3.0 x16
Total graphics power (TGP)205 W
Power connectors2× 8-pin PCIe
Recommended PSU650 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported (firmware update)
Card size2.5-slot, 242 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-6991 Prime 16GB GDDR6 Graphics Card”, https://vextor7.com/item/4466941 (accessed 2026-10-20).