Hardware Spec Index

Nexora GX-5643 Plus 16GB GDDR6 Graphics Card

Graphics Cards · Nexora · SKU GX5643-PLUS · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index33,283 (Graphics Cards scale)
Category rank#1,185
Street price$1,219
Power320 W (TGP)
Performance per dollar27.30
Released2022

Specifications

BrandNexora
ModelNexora GX-5643 Plus
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed16 Gbps
Memory bandwidth512 GB/s
Shader units13,568
Boost clock2,142 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)320 W
Power connectors3× 8-pin PCIe
Recommended PSU750 W
Ray tracingHardware-accelerated
UpscalingFSR 2
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 288 mm

Related guides

How Much VRAM Do You Need? 1080p, 1440p, 4K and AIResizable BAR (ReBAR) ExplainedChoosing a GPU for 1440p GamingChoosing a GPU for 4K GamingGDDR7 Memory ExplainedPCIe 5.0 Explained

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Cite this page: Hardware Spec Index, “Nexora GX-5643 Plus 16GB GDDR6 Graphics Card”, https://vextor7.com/item/43310218 (accessed 2026-10-19).