CPU Comparison
Intel Core Ultra 7 270HX Plus vs Intel Core Ultra 7 356H
A side-by-side comparison of specs, performance and value. The Intel Core Ultra 7 270HX Plus is a refreshed iteration of the Arrow Lake-HX mobile processor family, scheduled for release in March 2026. Building upon the foundation of the 255HX, this 'Plus' variant offers slightly higher clock speeds while maintaining the same 20-core, 20-thread hybrid architecture. It features 8 'Lion Cove' P-Cores and 12 'Skymont' E-Cores, but boosts the maximum turbo frequency to 5.3 GHz. Manufactured on TSMC's 3nm process, the chip retains the 243 mm² die size and 17.8 billion transistor count. With a 55W base power and 160W turbo power, it targets the highest-end gaming laptops and mobile workstations. The package includes Arc Xe-LPG Graphics 64EU and a 13 TOPS NPU. This refresh aims to provide a moderate performance bump to stay competitive in the rapidly evolving mobile enthusiast market, offering an unlocked multiplier for extreme tuning.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Excellent sustained performance in heavy multi-threaded workloads.
16 hybrid cores and strong multi-core PassMark (≈34k) deliver snappy application responsiveness and good throughput in office, development, and light creative workloads.
Gaming
Slight edge over 255HX in CPU-bound games due to 100MHz higher turbo.
The 4-core Xe3 iGPU is noticeably faster than older UHD/Iris Xe but not in the same league as the 12-core Arc B-series iGPUs or modern discrete mobile GPUs. Expect playable 1080p low/medium in e-sports titles, but not smooth 1080p ultra in modern AAA games.
Virtualization
20 physical cores are ideal for parallel virtualization.
Capable for light VM usage, but 16 threads and 96 GB max memory are more than sufficient for most client-side virtualization scenarios.
Efficiency
Efficiency is secondary to raw performance, drawing up to 160W under load.
At 25 W base, the 356H is efficient for its performance level; NanoReview rates power efficiency around 83/100, reflecting good performance per watt in typical laptop workloads.
Specialized Performance
AI / ML
- NPU 3 provides 13 TOPS
- Total platform AI is 33 TOPS
- Suitable for background blur and noise cancellation
- NPU 5 up to 50 TOPS INT8 aligns with Intel’s Copilot+ PC requirements
- Good for local AI assistants, background blur, noise cancellation, and light on-device inference
- Not aimed at large-scale model training, but very capable for client AI workloads
Content Creation
Gaming
- Higher clocks slightly reduce frame times
- Ideal for 240Hz+ gaming displays
- Requires top-tier discrete GPU pairing
- 4-core Xe3 iGPU is a solid step over 11th/12th-gen UHD but below Arc B390/B370
- Suitable for 1080p low/medium in e-sports and older titles
- For serious gaming, pair with a discrete GPU or choose a Panther Lake SKU with more Xe cores
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- High 5.3 GHz turbo clock
- 20 physical cores for heavy workloads
- Unlocked multiplier
- 20 PCIe Gen 5 lanes
- Excellent desktop replacement performance
Cons
- Minimal upgrade over 255HX
- Very high power draw (160W)
- Low NPU TOPS for 2026 standards
- Heavy and hot laptop requirements
Pros
- 16 hybrid cores with strong multi-threaded performance for a 25–80 W mobile SoC
- Intel 18A compute tile and modern core designs improve performance per watt vs prior generations
- Xe3 4-core iGPU is a notable upgrade over UHD/Iris Xe for light gaming and media
- NPU 5 with 50 TOPS INT8 supports Copilot+ and local AI workloads
- 20 PCIe 5.0/4.0 lanes and LPDDR5X-8533/DDR5-7200 support modern laptop and mini-PC designs
Cons
- 4-core Xe3 iGPU is still far behind the 12-core Arc B390/B370 found in higher Panther Lake SKUs
- No unlocked multiplier; performance ceiling depends on OEM power tuning
- Max 96 GB memory may feel limiting for some professional workloads
- Not intended for heavy sustained multi-threaded workloads without robust cooling
- Actual power and behavior can vary significantly between laptop designs
Competitors & Alternatives
Intel Core Ultra 7 270HX Plus
- AMD Ryzen 9 8945HXRival
Mobile
- AMD Ryzen 9 8945HX3DRival
Mobile
- Compare head-to-headIntel Core Ultra 9 285HXRival
Mobile
- Intel Core Ultra 9 285HX PlusRival
Mobile
- AMD Ryzen 9 9945HXRival
Mobile
Similar performance, possibly cheaper as stock clears.
Compare head-to-headPrevious gen, nearly identical performance.
Compare head-to-headBetter efficiency and AI performance for non-gaming tasks.
Compare head-to-head
Intel Core Ultra 7 356H
- AMD Ryzen AI 9 HX 370Rival
High-Performance Mobile
- AMD Ryzen 7 8840HSRival
Thin-and-Light Performance
- Compare head-to-headIntel Core Ultra 7 255HRival
Prior-Gen Mobile
- Compare head-to-headIntel Core Ultra 9 275HXRival
High-End Mobile
- Compare head-to-headApple M4 ProRival
Premium Thin-and-Light
Same family with more Xe3 iGPU cores for better integrated gaming performance.
Compare head-to-headPrevious-gen Arrow Lake-H option often at lower prices with still-solid performance.
Compare head-to-head
Our Verdict on Each
A solid refresh that squeezes more clock speed out of the Arrow Lake-HX die, maintaining its position as a top-tier mobile powerhouse.
Best for: Next-generation enthusiast gaming laptop
Read the full reviewA very capable mobile SoC for users who want strong CPU performance, modern AI acceleration, and good efficiency, but who don’t need the fastest integrated gaming graphics and are comfortable with OEM-configured power limits.
Best for: Premium productivity or AI-focused laptop where you want strong CPU performance, modern NPU, and good efficiency, but don’t rely heavily on integrated gaming graphics.
Read the full reviewFrequently Asked Questions
Which is better, Intel Core Ultra 7 270HX Plus or Intel Core Ultra 7 356H?
Based on our editorial ratings, the Intel Core Ultra 7 270HX Plus comes out ahead with a score of 8.9/10. That said, the best choice depends on your workload — check the spec and performance breakdown above for gaming, productivity and efficiency differences.
Which is faster for gaming, Intel Core Ultra 7 270HX Plus or Intel Core Ultra 7 356H?
For gaming, the Intel Core Ultra 7 356H leads with a gaming performance score of 68/100 among Intel Core Ultra 7 270HX Plus and Intel Core Ultra 7 356H.
Which uses less power?
The Intel Core Ultra 7 356H has the lowest rated TDP. Power draw across these chips: Intel Core Ultra 7 270HX Plus (55 W), Intel Core Ultra 7 356H (25 W).
Do Intel Core Ultra 7 270HX Plus and Intel Core Ultra 7 356H use the same socket?
No. They use different sockets (Intel Core Ultra 7 270HX Plus: Intel BGA 2114, Intel Core Ultra 7 356H: FCBGA2540), so each needs a compatible motherboard.
Which has more cores?
The Intel Core Ultra 7 270HX Plus has the most cores. Core counts: Intel Core Ultra 7 270HX Plus (20 cores), Intel Core Ultra 7 356H (16 cores).
Which is faster in multi-core benchmarks?
The Intel Core Ultra 7 356H posts the highest multi-core benchmark score. Multi-core results: Intel Core Ultra 7 270HX Plus (0), Intel Core Ultra 7 356H (33,903). Benchmark figures are approximate and workload-dependent.