Hardware Spec Index

Zephyra GX-6637 Ultra 16GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX6637-ULTRA · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index27,882 (Graphics Cards scale)
Category rank#43,389
Street price$1,059
Power290 W (TGP)
Performance per dollar26.33
Released2020

Specifications

BrandZephyra
ModelZephyra GX-6637 Ultra
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed14 Gbps
Memory bandwidth448 GB/s
Shader units12,032
Boost clock2,060 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)290 W
Power connectors3× 8-pin PCIe
Recommended PSU700 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported
Card size3-slot, 289 mm

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Cite this page: Hardware Spec Index, “Zephyra GX-6637 Ultra 16GB GDDR6 Graphics Card”, https://vextor7.com/item/8717064 (accessed 2026-10-21).