Hardware Spec Index

Nexora GX-7643 XT 16GB GDDR7 Graphics Card

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

Key facts

Benchmark index35,326 (Graphics Cards scale)
Category rank#41,739
Street price$1,539
Power450 W (TGP)
Performance per dollar22.95
Released2026

Specifications

BrandNexora
ModelNexora GX-7643 XT
Video memory16 GB GDDR7
Memory bus256-bit
Memory speed28 Gbps
Memory bandwidth896 GB/s
Shader units15,360
Boost clock2,685 MHz
Bus interfacePCIe 5.0 x16
Total graphics power (TGP)450 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, 300 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 XT 16GB GDDR7 Graphics Card”, https://vextor7.com/item/670644 (accessed 2026-10-19).