Hardware Spec Index

Kestrix LX-8639 Plus 13.3" Ultrabook Laptop

Laptops · Kestrix · SKU LX8639-PLUS · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index10,780 (Laptops scale)
Category rank#23,966
Street price$839
Power100 W (charger)
Performance per dollar12.85
Released2026

Specifications

BrandKestrix
ModelKestrix LX-8639 Plus
ClassUltrabook
Processor12-core mobile CPU, up to 4.8 GHz
GraphicsIntegrated graphics
NPU48 TOPS
Memory32 GB LPDDR5X-8533 (soldered)
Storage512 GB PCIe 4.0 NVMe (M.2 2230)
Display13.3" 1920×1200 60 Hz IPS
Battery65 Wh
Weight1.21 kg
Ports2× Thunderbolt 4 / USB4 (40Gbps), 1× USB-A 10Gbps, HDMI 2.1
WirelessWi-Fi 7 (2×2, 320 MHz) + Bluetooth 5.4
Charger100 W USB-C PD

Related guides

DDR5 Memory ExplainedWi-Fi 7 (802.11be) ExplainedUSB4 ExplainedNPUs and AI PCsThunderbolt 5 ExplainedGDDR7 Memory Explained

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Cite this page: Hardware Spec Index, “Kestrix LX-8639 Plus 13.3" Ultrabook Laptop”, https://vextor7.com/item/8407657 (accessed 2026-10-25).