Hardware Spec Index

Nexora GX-6644 Ultra 16GB GDDR7 Graphics Card

Graphics Cards · Nexora · SKU GX6644-ULTRA · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index32,639 (Graphics Cards scale)
Category rank#4,103
Street price$1,349
Power445 W (TGP)
Performance per dollar24.19
Released2026

Specifications

BrandNexora
ModelNexora GX-6644 Ultra
Video memory16 GB GDDR7
Memory bus256-bit
Memory speed28 Gbps
Memory bandwidth896 GB/s
Shader units15,232
Boost clock2,705 MHz
Bus interfacePCIe 5.0 x16
Total graphics power (TGP)445 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU850 W
Ray tracingHardware-accelerated
UpscalingXeSS 2
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size3.5-slot, 316 mm

Related guides

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Cite this page: Hardware Spec Index, “Nexora GX-6644 Ultra 16GB GDDR7 Graphics Card”, https://vextor7.com/item/673260 (accessed 2026-10-22).