Hardware Spec Index

Zephyra GX-8644 XT 16GB GDDR7 Graphics Card

Graphics Cards · Zephyra · SKU GX8644-XT · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index37,479 (Graphics Cards scale)
Category rank#3,566
Street price$1,999
Power500 W (TGP)
Performance per dollar18.75
Released2026

Specifications

BrandZephyra
ModelZephyra GX-8644 XT
Video memory16 GB GDDR7
Memory bus256-bit
Memory speed28 Gbps
Memory bandwidth896 GB/s
Shader units17,408
Boost clock2,629 MHz
Bus interfacePCIe 5.0 x16
Total graphics power (TGP)500 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU900 W
Ray tracingHardware-accelerated
UpscalingXeSS 2
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size3.5-slot, 326 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-8644 XT 16GB GDDR7 Graphics Card”, https://vextor7.com/item/5869756 (accessed 2026-10-25).