Hardware Spec Index

Nexora GX-8638 Ultra 12GB GDDR6 Graphics Card

Graphics Cards · Nexora · SKU GX8638-ULTRA · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index22,670 (Graphics Cards scale)
Category rank#7,053
Street price$599
Power235 W (TGP)
Performance per dollar37.85
Released2019

Specifications

BrandNexora
ModelNexora GX-8638 Ultra
Video memory12 GB GDDR6
Memory bus192-bit
Memory speed16 Gbps
Memory bandwidth384 GB/s
Shader units9,088
Boost clock2,447 MHz
Bus interfacePCIe 3.0 x16
Total graphics power (TGP)235 W
Power connectors2× 8-pin PCIe
Recommended PSU650 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported (firmware update)
Card size2.5-slot, 267 mm

Related guides

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Cite this page: Hardware Spec Index, “Nexora GX-8638 Ultra 12GB GDDR6 Graphics Card”, https://vextor7.com/item/2886709 (accessed 2026-10-22).