Hardware Spec Index

Zephyra GX-6640 Core 12GB GDDR6X Graphics Card

Graphics Cards · Zephyra · SKU GX6640-CORE · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index29,578 (Graphics Cards scale)
Category rank#38,429
Street price$1,079
Power295 W (TGP)
Performance per dollar27.41
Released2021

Specifications

BrandZephyra
ModelZephyra GX-6640 Core
Video memory12 GB GDDR6X
Memory bus192-bit
Memory speed19 Gbps
Memory bandwidth456 GB/s
Shader units12,288
Boost clock1,913 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)295 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, 291 mm

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Cite this page: Hardware Spec Index, “Zephyra GX-6640 Core 12GB GDDR6X Graphics Card”, https://vextor7.com/item/7129265 (accessed 2026-10-21).