Hardware Spec Index

Nexora GX-3678 Ultra 12GB GDDR6 Graphics Card

Graphics Cards · Nexora · SKU GX3678-ULTRA · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index21,681 (Graphics Cards scale)
Category rank#38,618
Street price$559
Power220 W (TGP)
Performance per dollar38.79
Released2022

Specifications

BrandNexora
ModelNexora GX-3678 Ultra
Video memory12 GB GDDR6
Memory bus192-bit
Memory speed20 Gbps
Memory bandwidth480 GB/s
Shader units8,064
Boost clock1,936 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)220 W
Power connectors2× 8-pin PCIe
Recommended PSU650 W
Ray tracingHardware-accelerated
UpscalingFSR 2
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2.5-slot, 242 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-3678 Ultra 12GB GDDR6 Graphics Card”, https://vextor7.com/item/17880585 (accessed 2026-10-24).