Hardware Spec Index

Nexora GX-6491 XT 8GB GDDR6 Graphics Card

Graphics Cards · Nexora · SKU GX6491-XT · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index15,447 (Graphics Cards scale)
Category rank#44,229
Street price$239
Power155 W (TGP)
Performance per dollar64.63
Released2019

Specifications

BrandNexora
ModelNexora GX-6491 XT
Video memory8 GB GDDR6
Memory bus128-bit
Memory speed16 Gbps
Memory bandwidth256 GB/s
Shader units4,864
Boost clock2,273 MHz
Bus interfacePCIe 3.0 x8
Total graphics power (TGP)155 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-slot, 225 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-6491 XT 8GB GDDR6 Graphics Card”, https://vextor7.com/item/5872492 (accessed 2026-10-24).