Hardware Spec Index

Nexora GX-6638 Ultra 12GB GDDR7 Graphics Card

Graphics Cards · Nexora · SKU GX6638-ULTRA · Released 2026 · Updated 2026-10-23

Key facts

Benchmark index14,966 (Graphics Cards scale)
Category rank#32,591
Street price$269
Power205 W (TGP)
Performance per dollar55.64
Released2026

Specifications

BrandNexora
ModelNexora GX-6638 Ultra
Video memory12 GB GDDR7
Memory bus192-bit
Memory speed28 Gbps
Memory bandwidth672 GB/s
Shader units5,376
Boost clock2,776 MHz
Bus interfacePCIe 5.0 x16
Total graphics power (TGP)205 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU650 W
Ray tracingHardware-accelerated
UpscalingDLSS 4 (frame generation)
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size2.5-slot, 228 mm

Related guides

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Cite this page: Hardware Spec Index, “Nexora GX-6638 Ultra 12GB GDDR7 Graphics Card”, https://vextor7.com/item/4877672 (accessed 2026-10-23).