Hardware Spec Index

Zephyra GX-1644 Ultra 32GB GDDR6X Graphics Card

Graphics Cards · Zephyra · SKU GX1644-ULTRA · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index42,605 (Graphics Cards scale)
Category rank#18,556
Street price$2,189
Power415 W (TGP)
Performance per dollar19.46
Released2022

Specifications

BrandZephyra
ModelZephyra GX-1644 Ultra
Video memory32 GB GDDR6X
Memory bus512-bit
Memory speed21 Gbps
Memory bandwidth1,344 GB/s
Shader units18,688
Boost clock1,933 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)415 W
Power connectors3× 8-pin PCIe
Recommended PSU850 W
Ray tracingHardware-accelerated
UpscalingDLSS 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3.5-slot, 339 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-1644 Ultra 32GB GDDR6X Graphics Card”, https://vextor7.com/item/3122892 (accessed 2026-10-25).