Hardware Spec Index

Zephyra GX-6638 Prime 16GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX6638-PRIME · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index25,694 (Graphics Cards scale)
Category rank#17,940
Street price$689
Power255 W (TGP)
Performance per dollar37.29
Released2022

Specifications

BrandZephyra
ModelZephyra GX-6638 Prime
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed14 Gbps
Memory bandwidth448 GB/s
Shader units10,112
Boost clock2,514 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)255 W
Power connectors3× 8-pin PCIe
Recommended PSU700 W
Ray tracingHardware-accelerated
UpscalingDLSS 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2.5-slot, 266 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-6638 Prime 16GB GDDR6 Graphics Card”, https://vextor7.com/item/94514767 (accessed 2026-10-25).