Hardware Spec Index

Nexora GX-7643 Plus 16GB GDDR7 Graphics Card

Graphics Cards · Nexora · SKU GX7643-PLUS · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index20,538 (Graphics Cards scale)
Category rank#2,004
Street price$459
Power255 W (TGP)
Performance per dollar44.75
Released2025

Specifications

BrandNexora
ModelNexora GX-7643 Plus
Video memory16 GB GDDR7
Memory bus256-bit
Memory speed28 Gbps
Memory bandwidth896 GB/s
Shader units7,424
Boost clock2,321 MHz
Bus interfacePCIe 5.0 x16
Total graphics power (TGP)255 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU700 W
Ray tracingHardware-accelerated
UpscalingXeSS 2
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size2.5-slot, 247 mm

Related guides

How Much VRAM Do You Need? 1080p, 1440p, 4K and AIResizable BAR (ReBAR) ExplainedGDDR7 Memory ExplainedPCIe 5.0 ExplainedPCIe 4.0 vs PCIe 5.0Choosing a GPU for 1440p Gaming

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Cite this page: Hardware Spec Index, “Nexora GX-7643 Plus 16GB GDDR7 Graphics Card”, https://vextor7.com/item/2200611 (accessed 2026-10-19).