Hardware Spec Index

Zephyra GX-8637 Ultra 16GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX8637-ULTRA · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index28,175 (Graphics Cards scale)
Category rank#1,534
Street price$919
Power280 W (TGP)
Performance per dollar30.66
Released2020

Specifications

BrandZephyra
ModelZephyra GX-8637 Ultra
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed18 Gbps
Memory bandwidth576 GB/s
Shader units11,392
Boost clock2,564 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)280 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, 270 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-8637 Ultra 16GB GDDR6 Graphics Card”, https://vextor7.com/item/4447488 (accessed 2026-10-19).