Hardware Spec Index

Zephyra GX-1640 Ultra 12GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX1640-ULTRA · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index24,668 (Graphics Cards scale)
Category rank#31,720
Street price$769
Power265 W (TGP)
Performance per dollar32.08
Released2021

Specifications

BrandZephyra
ModelZephyra GX-1640 Ultra
Video memory12 GB GDDR6
Memory bus192-bit
Memory speed16 Gbps
Memory bandwidth384 GB/s
Shader units10,624
Boost clock1,790 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)265 W
Power connectors3× 8-pin PCIe
Recommended PSU700 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 261 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-1640 Ultra 12GB GDDR6 Graphics Card”, https://vextor7.com/item/8501024 (accessed 2026-10-23).