Hardware Spec Index

Nexora GX-5603 Prime 16GB GDDR6 Graphics Card

Graphics Cards · Nexora · SKU GX5603-PRIME · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index34,146 (Graphics Cards scale)
Category rank#18,001
Street price$1,499
Power340 W (TGP)
Performance per dollar22.78
Released2020

Specifications

BrandNexora
ModelNexora GX-5603 Prime
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed14 Gbps
Memory bandwidth448 GB/s
Shader units14,720
Boost clock2,261 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)340 W
Power connectors3× 8-pin PCIe
Recommended PSU750 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported
Card size3-slot, 296 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-5603 Prime 16GB GDDR6 Graphics Card”, https://vextor7.com/item/8304544 (accessed 2026-10-19).