Hardware Spec Index

Kestrix LX-4503 Ultra 18" Gaming Laptop (6GB GDDR6)

Laptops · Kestrix · SKU LX4503-ULTRA · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index14,900 (Laptops scale)
Category rank#26,198
Street price$1,329
Power230 W (charger)
Performance per dollar11.21
Released2024

Specifications

BrandKestrix
ModelKestrix LX-4503 Ultra
ClassGaming
Processor16-core mobile CPU, up to 5.0 GHz
GraphicsDiscrete, 6GB GDDR6, 100 W
NPU13 TOPS
Memory16 GB DDR5-5600 SO-DIMM (2 slots, upgradable)
Storage2 TB PCIe 4.0 NVMe (M.2 2280)
Display18" 2560×1600 240 Hz Mini-LED
Battery90 Wh
Weight2.63 kg
Ports2× Thunderbolt 4 / USB4 (40Gbps), 1× USB-A 10Gbps, HDMI 2.1
WirelessWi-Fi 7 (2×2, 320 MHz) + Bluetooth 5.4
Charger230 W barrel

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-4503 Ultra 18" Gaming Laptop (6GB GDDR6)”, https://vextor7.com/item/21881115 (accessed 2026-10-24).