Hardware Spec Index

Kestrix LX-7857 Ultra 13.3" 2-in-1 Laptop

Laptops · Kestrix · SKU LX7857-ULTRA · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index10,118 (Laptops scale)
Category rank#45,474
Street price$679
Power65 W (charger)
Performance per dollar14.90
Released2024

Specifications

BrandKestrix
ModelKestrix LX-7857 Ultra
Class2-in-1
Processor12-core mobile CPU, up to 4.8 GHz
GraphicsIntegrated graphics
NPU50 TOPS
Memory16 GB LPDDR5X-7500 (soldered)
Storage1 TB PCIe 4.0 NVMe (M.2 2280)
Display13.3" 1920×1200 60 Hz IPS
Battery57 Wh
Weight1.17 kg
Ports2× Thunderbolt 4 / USB4 (40Gbps), 1× USB-A 10Gbps, HDMI 2.1
WirelessWi-Fi 7 (2×2, 320 MHz) + Bluetooth 5.4
Charger65 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-7857 Ultra 13.3" 2-in-1 Laptop”, https://vextor7.com/item/54555926 (accessed 2026-10-25).