Hardware Spec Index

Zephyra GX-3649 Ultra 16GB GDDR6X Graphics Card

Graphics Cards · Zephyra · SKU GX3649-ULTRA · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index37,280 (Graphics Cards scale)
Category rank#12,930
Street price$2,059
Power395 W (TGP)
Performance per dollar18.11
Released2021

Specifications

BrandZephyra
ModelZephyra GX-3649 Ultra
Video memory16 GB GDDR6X
Memory bus256-bit
Memory speed22.4 Gbps
Memory bandwidth717 GB/s
Shader units17,664
Boost clock2,399 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)395 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, 337 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-3649 Ultra 16GB GDDR6X Graphics Card”, https://vextor7.com/item/9933263 (accessed 2026-10-24).