Hardware Spec Index

Nexora GX-3991 SE 8GB GDDR6 Graphics Card

Graphics Cards · Nexora · SKU GX3991-SE · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index10,321 (Graphics Cards scale)
Category rank#9,084
Street price$139
Power115 W (TGP)
Performance per dollar74.25
Released2023

Specifications

BrandNexora
ModelNexora GX-3991 SE
Video memory8 GB GDDR6
Memory bus128-bit
Memory speed20 Gbps
Memory bandwidth320 GB/s
Shader units2,560
Boost clock2,003 MHz
Bus interfacePCIe 4.0 x8
Total graphics power (TGP)115 W
Power connectors1× 8-pin PCIe
Recommended PSU550 W
Ray tracingHardware-accelerated
UpscalingXeSS
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2-slot, 198 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-3991 SE 8GB GDDR6 Graphics Card”, https://vextor7.com/item/2867048 (accessed 2026-10-22).