Hardware Spec Index

Nexora GX-5643 XT 8GB GDDR6 Graphics Card

Graphics Cards · Nexora · SKU GX5643-XT · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index16,537 (Graphics Cards scale)
Category rank#10,939
Street price$279
Power175 W (TGP)
Performance per dollar59.27
Released2019

Specifications

BrandNexora
ModelNexora GX-5643 XT
Video memory8 GB GDDR6
Memory bus128-bit
Memory speed20 Gbps
Memory bandwidth320 GB/s
Shader units5,888
Boost clock1,842 MHz
Bus interfacePCIe 3.0 x8
Total graphics power (TGP)175 W
Power connectors2× 8-pin PCIe
Recommended PSU600 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported (firmware update)
Card size2.5-slot, 234 mm

Related guides

How Much VRAM Do You Need? 1080p, 1440p, 4K and AIResizable BAR (ReBAR) ExplainedGDDR7 Memory ExplainedChoosing a GPU for 1440p GamingChoosing a GPU for 4K GamingPCIe 5.0 Explained

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Cite this page: Hardware Spec Index, “Nexora GX-5643 XT 8GB GDDR6 Graphics Card”, https://vextor7.com/item/11113705 (accessed 2026-10-20).