Hardware Spec Index

Nexora GX-1643 Ultra 16GB GDDR6 Graphics Card

Graphics Cards · Nexora · SKU GX1643-ULTRA · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index34,341 (Graphics Cards scale)
Category rank#47,040
Street price$1,509
Power345 W (TGP)
Performance per dollar22.76
Released2019

Specifications

BrandNexora
ModelNexora GX-1643 Ultra
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed16 Gbps
Memory bandwidth512 GB/s
Shader units14,976
Boost clock1,870 MHz
Bus interfacePCIe 3.0 x16
Total graphics power (TGP)345 W
Power connectors3× 8-pin PCIe
Recommended PSU750 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported (firmware update)
Card size3-slot, 315 mm

Related guides

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Cite this page: Hardware Spec Index, “Nexora GX-1643 Ultra 16GB GDDR6 Graphics Card”, https://vextor7.com/item/1064889 (accessed 2026-10-25).