Head-to-Head Showdown

Samsung Galaxy Book4 Edge (Snapdragon X Elite) vs ASUS Zenbook S 14 (Lunar Lake Core Ultra 7)

Comparing ARM architecture against x86 for local AI inference. Review generation throughput, memory architecture, and runner compatibility.

Select Any Two Systems to Compare Head-to-Head

System A (Left)

System B (Right)

System A

Samsung Galaxy Book4 Edge (Snapdragon X Elite)

Qualcomm Snapdragon X Elite (X1E-84-100 12-core, 3.8GHz)

16 GB MemoryARM~17.9 t/s

System B

Intel Core Ultra 7 258V (Arc 140V 16GB)

32 GB Memoryx86~18 t/s

Specification	Samsung Galaxy Book4 Edge (Snapdragon X Elite)	ASUS Zenbook S 14 (Lunar Lake Core Ultra 7)
Architecture	ARM	x86
Processor	Qualcomm Snapdragon X Elite (X1E-84-100 12-core, 3.8GHz)	Intel Core Ultra 7 258V (Arc 140V 16GB)
Operating System	Windows ARM	Windows x86
System RAM / Unified Memory	16 GB	32 GB
GPU-Usable Memory (VRAM or unified)	9.6 GB	19.2 GB
Memory Bandwidth	135 GB/s	136 GB/s
Memory Type & Bandwidth	LPDDR5X (8448 MT/s)	On-Package LPDDR5X-8533 (136 GB/s)
NPU Acceleration (TOPS)	45 TOPS	47 TOPS
Small models (3–7B)	Yes (Compatible)	Yes (Compatible)
8B models (Qwen3 8B)	Yes (Compatible)	Yes (Compatible)
Estimated 8B Generation Speed	~17.9 t/s	~18 t/s
Recommended Max Context	32k tokens	32k tokens
Power Consumption Envelope	18-32W	15-28W

The buying and sizing guides that explain the numbers above.