Qualcomm Snapdragon X Plus
Lower-tier Snapdragon X. 45 TOPS NPU.
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Sub-scores sum to 40 / 1000. Headline = 40 × 0.70 (Estimated-confidence discount) = 28. This is an algorithmic performance-tier score — distinct from, and often lower than, the editorial “Our verdict” below, which weighs value and real-world fit (especially for hardware we haven’t measured yet). How scoring works →
Insufficient data — VRAM 0GB, bandwidth ? GB/s.
Plain-English: Doesn't fit modern chat models usefully — vision models won't fit.
Verdicts extrapolated from catalog VRAM + bandwidth + ecosystem flags. Hover any chip for the rationale. Want measured numbers? Submit your own run with runlocalai-bench --submit.
What it does well
The Qualcomm Snapdragon X Plus is the lower-tier sibling of Snapdragon X Elite — 8 or 10 Oryon ARM CPU cores + Adreno X1 iGPU (lower bin) + dedicated Hexagon NPU rated at 45 TOPS. Ships in mid-tier Windows-on-ARM Copilot+ PC laptops at $799-$1,399 retail. The platform inherits SDX Elite's headline benefits: exceptional battery life (12-18 hours), silent operation, Microsoft Phi Silica + DirectML + ONNX Runtime support tuned for the NPU. For sub-7B local AI workloads + Microsoft Copilot+ PC features, SDX Plus delivers similar AI experience to SDX Elite at lower price. Same NPU rated at 45 TOPS — Microsoft's Copilot+ PC AI features (Recall, Cocreator, Phi Silica) work identically on Plus and Elite.
Where it breaks
- Lower iGPU + CPU bin than SDX Elite. Slower for compute-bound workloads + general productivity. The same NPU TOPS rating means AI feature parity, but iGPU + CPU performance is meaningfully lower.
- Same Windows-on-ARM ecosystem maturity issues. x86 emulation can be rough on niche software.
- Same memory + bandwidth ceiling. Caps at 32 GB unified, ~136 GB/s bandwidth. 14B Q5 with limited context is the practical AI ceiling.
- No CUDA, ROCm, or Metal.
- NPU framework support is thin for LLMs beyond Microsoft's first-party stack.
Ideal model range
- Sweet spot: 7B FP16 / Q5 inference at ~18-30 tok/s — slightly slower than Elite.
- Sweet spot: Microsoft Copilot+ PC features at parity with Elite — same 45 TOPS NPU rating.
- Sweet spot: Battery-life-friendly local AI for traveling professionals on a budget.
- Sweet spot: Cost-conscious Windows-on-ARM Copilot+ PC buyers.
- Bad fit: Anything beyond sub-7B AI, CUDA-locked stacks, x86-only Windows apps that don't emulate cleanly.
Verdict
Buy this (in mid-tier Copilot+ PC laptop form) if you want Windows-on-ARM + Copilot+ AI features + exceptional battery life at a lower budget than SDX Elite, your AI workload is firmly sub-7B, and you accept the modest performance drop vs Elite for the price savings.
Skip this if you need maximum iGPU performance (SDX Elite wins), CUDA-locked, x86-locked apps are critical, or you can use macOS (MacBook Pro / Mac mini ecosystem is more mature).
How it compares
- vs Snapdragon X Elite → Elite has more iGPU + CPU bin at +$200-500 in laptop pricing. Same NPU. Pick Elite for performance; Plus for value.
- vs Apple M4 Pro / M4 → Apple Silicon has more mature ARM ecosystem + faster iGPU compute. Pick by OS preference.
- vs Intel Lunar Lake 258V → Intel x86 with similar NPU TOPS. Pick by Windows-on-ARM vs Windows-x86 preference.
- vs AMD Ryzen AI 9 HX 370 → AMD x86 with more iGPU compute. SDX Plus wins on battery; HX 370 wins on raw compute.
Overview
Lower-tier Snapdragon X. 45 TOPS NPU.
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Specs
| VRAM | 0 GB |
| System RAM (typical) | 16 GB |
| Power draw (peak) | 23 W |
| Released | 2024 |
| Backends |
Frequently asked
Does Qualcomm Snapdragon X Plus support CUDA?
Where next?
Reviewed by RunLocalAI Editorial. See our editorial policy for how we research and verify hardware specifications.