Hardware Spec Index

Zephyra GX-6644 XT 16GB GDDR7 Graphics Card

Graphics Cards · Zephyra · SKU GX6644-XT · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index28,513 (Graphics Cards scale)
Category rank#3,086
Street price$899
Power360 W (TGP)
Performance per dollar31.72
Released2025

Specifications

BrandZephyra
ModelZephyra GX-6644 XT
Video memory16 GB GDDR7
Memory bus256-bit
Memory speed32 Gbps
Memory bandwidth1,024 GB/s
Shader units11,776
Boost clock2,855 MHz
Bus interfacePCIe 5.0 x16
Total graphics power (TGP)360 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU800 W
Ray tracingHardware-accelerated
UpscalingDLSS 4 (frame generation)
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size3-slot, 273 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-6644 XT 16GB GDDR7 Graphics Card”, https://vextor7.com/item/640651 (accessed 2026-10-19).