Hardware Spec Index

Nexora GX-1643 Ultra 16GB GDDR7 Graphics Card

Graphics Cards · Nexora · SKU GX1643-ULTRA · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index32,671 (Graphics Cards scale)
Category rank#34,674
Street price$1,359
Power425 W (TGP)
Performance per dollar24.04
Released2026

Specifications

BrandNexora
ModelNexora GX-1643 Ultra
Video memory16 GB GDDR7
Memory bus256-bit
Memory speed28 Gbps
Memory bandwidth896 GB/s
Shader units14,464
Boost clock2,450 MHz
Bus interfacePCIe 5.0 x16
Total graphics power (TGP)425 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU850 W
Ray tracingHardware-accelerated
UpscalingDLSS 4 (frame generation)
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size3.5-slot, 309 mm

Related guides

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Cite this page: Hardware Spec Index, “Nexora GX-1643 Ultra 16GB GDDR7 Graphics Card”, https://vextor7.com/item/95541633 (accessed 2026-10-21).