Hardware Spec Index

Zephyra GX-6644 Ultra 16GB GDDR7 Graphics Card

Graphics Cards · Zephyra · SKU GX6644-ULTRA · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index38,427 (Graphics Cards scale)
Category rank#22,862
Street price$1,849
Power480 W (TGP)
Performance per dollar20.78
Released2026

Specifications

BrandZephyra
ModelZephyra GX-6644 Ultra
Video memory16 GB GDDR7
Memory bus256-bit
Memory speed30 Gbps
Memory bandwidth960 GB/s
Shader units16,768
Boost clock2,761 MHz
Bus interfacePCIe 5.0 x16
Total graphics power (TGP)480 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU900 W
Ray tracingHardware-accelerated
UpscalingFSR 4, FSR 3.1
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size3.5-slot, 314 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-6644 Ultra 16GB GDDR7 Graphics Card”, https://vextor7.com/item/60007411 (accessed 2026-10-20).