Hardware Spec Index

Zephyra GX-6637 Ultra 32GB GDDR6X Graphics Card

Graphics Cards · Zephyra · SKU GX6637-ULTRA · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index37,445 (Graphics Cards scale)
Category rank#18,168
Street price$1,569
Power380 W (TGP)
Performance per dollar23.87
Released2024

Specifications

BrandZephyra
ModelZephyra GX-6637 Ultra
Video memory32 GB GDDR6X
Memory bus512-bit
Memory speed22.4 Gbps
Memory bandwidth1,434 GB/s
Shader units16,640
Boost clock2,577 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)380 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU800 W
Ray tracingHardware-accelerated
UpscalingXeSS 2
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 311 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-6637 Ultra 32GB GDDR6X Graphics Card”, https://vextor7.com/item/4386331 (accessed 2026-10-19).