Hardware Spec Index

Zephyra GX-6638 Prime 32GB GDDR6X Graphics Card

Graphics Cards · Zephyra · SKU GX6638-PRIME · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index41,161 (Graphics Cards scale)
Category rank#27,827
Street price$1,789
Power400 W (TGP)
Performance per dollar23.01
Released2021

Specifications

BrandZephyra
ModelZephyra GX-6638 Prime
Video memory32 GB GDDR6X
Memory bus512-bit
Memory speed21 Gbps
Memory bandwidth1,344 GB/s
Shader units17,792
Boost clock2,088 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)400 W
Power connectors3× 8-pin PCIe
Recommended PSU800 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 326 mm

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Cite this page: Hardware Spec Index, “Zephyra GX-6638 Prime 32GB GDDR6X Graphics Card”, https://vextor7.com/item/19989366 (accessed 2026-10-19).