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Qualcomm Snapdragon X2 Elite

Qualcomm

Second-generation AI PC. The Extreme variant's 192-bit bus reaches 228 GB/s (the standard part is 152 GB/s); the Extreme figure is used here as the meaningful inference upgrade.

CPU · GPU · NPU 228 GB/s memory bus 48 GB Unified memory
AI PC. Bus width tracks bandwidth (228 GB/s, sets decode speed); the box tracks capacity (48 GB, sets what fits). Unified memory is one pool shared by CPU and accelerator.

Specs

Memory
48 GB LPDDR5X
Bandwidth
228 GB/s
NPU
80 INT8 TOPS
Power
80 W
Form factor
soc
Interconnect
none
Released
2025-09

What it runs (single unit, Q4_K_M, 4K context)

Model Fits? Decode ceiling
Llama 3.1 8B Instruct yes ~45 tok/s
Llama 3.3 70B Instruct yes ~5.6 tok/s
Qwen 2.5 72B Instruct yes ~5.5 tok/s
DeepSeek-V3 no —

Ceiling is the theoretical rooflineruntimeA performance model that bounds throughput by either compute or memory bandwidth, whichever is the limiting resource for an operation's arithmetic intensity. Open full entry ; open the explorer to set quant, context, and runtime and see the realistic range.

Sources