Intel Core Ultra Series 3 • Panther Lake • Mobile Processor
The Intel Core Ultra 7 355 is an 8-core, 8-thread Panther Lake mobile processor aimed at modern productivity, business and AI-capable laptops. Intel lists 4 Performance-cores, 4 Low Power Efficient-cores, a 4.7 GHz maximum turbo frequency, 12 MB of Intel Smart Cache, a 49-TOPS NPU and Intel Graphics with 4 Xe cores.
Bottom line: The Core Ultra 7 355 is best understood as a balanced 8-core Series 3 chip, not as a smaller version of the 16-core Core Ultra 7 356H. Its strengths are efficient everyday CPU performance, a Copilot+-class NPU, modern media support and flexible DDR5/LPDDR5X memory support. Its limits are modest multi-core scale and a 4-Xe-core integrated GPU that is not aimed at high-end integrated gaming.
Intel Core Ultra 7 355 specifications
| Product family | Intel Core Ultra Series 3 |
|---|---|
| Codename | Panther Lake |
| Segment | Mobile |
| Launch | Q1 2026 |
| Total CPU cores | 8 |
| Performance-cores | 4 |
| Standard Efficient-cores | 0 |
| Low Power Efficient-cores | 4 |
| Total threads | 8 |
| Maximum turbo frequency | 4.7 GHz |
| P-core max turbo | 4.7 GHz |
| Low Power E-core max turbo | 3.5 GHz |
| P-core base frequency | 2.3 GHz |
| Low Power E-core base frequency | 1.7 GHz |
| Cache | 12 MB Intel Smart Cache |
| Processor base power | 25 W |
| Maximum turbo power | 55 W |
| Minimum assured power | 12 W |
| CPU lithography | Intel 18A |
| NPU | 49 TOPS peak INT8 |
| Windows Studio Effects | Supported |
| Integrated GPU | Intel Graphics |
| Xe cores | 4 |
| GPU max dynamic frequency | 2.5 GHz |
| GPU peak AI throughput | 40 TOPS INT8 |
| GPU lithography | Intel 3 |
| Maximum memory | Up to 128 GB, dependent on memory type and system implementation |
| Memory support | Up to LPDDR5X-7467 or DDR5-6400 |
| Memory channels | 2 |
| PCI Express | PCIe 5.0 and PCIe 4.0; up to 12 lanes |
| Thunderbolt | Thunderbolt 4 supported |
| Maximum displays | Up to 4 |
System-design warning: These are processor-level capabilities. A retail laptop may expose fewer ports, lower memory limits, different power behavior or different display options depending on the OEM design.
What is the Intel Core Ultra 7 355?
The Core Ultra 7 355 belongs to Intel's Core Ultra Series 3 family, previously known by the codename Panther Lake. Its CPU uses a compact hybrid layout of 4 Performance-cores + 4 Low Power Efficient-cores.
Unlike many higher-power H-series Panther Lake processors, the 355 has no standard Efficient-cores. That gives it eight total CPU cores and eight threads.
The most important consequence is that the product name alone does not describe multi-core capability. The Core Ultra 7 355 and Core Ultra 7 356H both reach 4.7 GHz, yet the 356H has 16 cores and an 18 MB cache while the 355 has 8 cores and a 12 MB cache.
AI performance: what the 49-TOPS NPU means
Intel rates the 355's integrated NPU at 49 TOPS peak INT8. Microsoft's current Windows AI guidance defines Copilot+ PCs around hardware that includes an NPU capable of 40+ TOPS, so the 355 exceeds that NPU-performance threshold.
That does not mean the processor alone guarantees every Copilot+ feature. Microsoft also defines Copilot+ PCs using other system requirements, including memory and supported platform characteristics. Feature availability can also depend on Windows version, software rollout and region.
What the NPU can help accelerate
- Supported Windows AI and Copilot+ experiences
- Windows Studio Effects
- Local AI inference in applications that target the Intel NPU
- Speech, vision and other supported on-device AI workloads
- Background AI tasks that do not need to occupy the main CPU or GPU continuously
Intel lists OpenVINO, Windows ML, WebNN and ONNX Runtime among the AI frameworks supported by the NPU. CPU and GPU AI acceleration are also available for compatible workloads.
Integrated graphics: 4 Xe cores
Intel lists the Core Ultra 7 355 with Intel Graphics using 4 Xe cores, a maximum dynamic frequency of 2.5 GHz and 40 TOPS of peak INT8 GPU AI throughput.
The iGPU supports DirectX 12 Ultimate, ray tracing, OpenGL 4.6 and OpenCL 3.0. Intel also lists hardware encode/decode support for H.264, HEVC and AV1, H.266/VVC decode, Intel Quick Sync Video and support for up to four displays.
Is the Core Ultra 7 355 good for gaming?
The 4-Xe-core iGPU should be treated as a modern general-purpose integrated graphics solution, not as evidence of high gaming performance. Intel's specification sheet does not provide game frame rates.
Actual gaming performance depends on the exact laptop's memory bandwidth, thermal design, power allocation, drivers, screen resolution and game settings. Check benchmarks from the specific notebook you plan to buy.
If integrated gaming is a major priority, Panther Lake models with Intel Arc B370 or Arc B390 are the more relevant parts to compare because they use larger integrated graphics configurations.
What performance should you expect?
The 355 combines four P-cores, four Low Power E-cores and a 4.7 GHz maximum turbo frequency. That makes it well suited to responsive everyday computing, business productivity and mixed workloads where not every task can use a large number of CPU cores.
Workloads that fit the 355 well
- Office productivity and large browser workloads
- Business applications and collaboration tools
- General programming and software development
- Photo editing and lighter content creation
- Supported local AI workloads using the 49-TOPS NPU
- Media playback and video workflows using Quick Sync
- Portable systems where balanced performance matters more than maximum core count
Where a higher-core chip makes more sense
- Long CPU renders
- Heavy CPU video encoding
- Large software compilation jobs
- Highly parallel engineering or scientific applications
- Heavy virtual-machine workloads
- Professional workloads that keep many CPU cores busy for long periods
Laptop cooling still matters. Two systems using the same Core Ultra 7 355 can differ in sustained speed, fan noise and battery life because the processor is only one part of the notebook.
Memory, PCIe and connectivity
Intel lists support for up to 128 GB of memory, dependent on memory type, with up to LPDDR5X-7467 or DDR5-6400 across two memory channels.
DDR5 support gives OEMs the option to design systems with replaceable memory modules, while LPDDR5X is commonly soldered. The processor supporting both does not guarantee that a particular laptop offers user-upgradeable RAM.
The Core Ultra 7 355 supports PCIe 5.0 and PCIe 4.0 with up to 12 PCIe lanes, plus Thunderbolt 4 at the processor-platform level.
Core Ultra 7 355 vs 365 vs 356H vs Core Ultra 5 335
| Specification | Ultra 7 355 | Ultra 7 365 | Ultra 7 356H | Ultra 5 335 |
|---|---|---|---|---|
| CPU cores / threads | 8 / 8 | 8 / 8 | 16 / 16 | 8 / 8 |
| CPU layout | 4P + 4LPE | 4P + 4LPE | 4P + 8E + 4LPE | 4P + 4LPE |
| Max turbo | 4.7 GHz | 4.8 GHz | 4.7 GHz | 4.6 GHz |
| Cache | 12 MB | 12 MB | 18 MB | 12 MB |
| Base / max turbo power | 25 W / 55 W | 25 W / 55 W | 25 W / 80 W | 25 W / 55 W |
| NPU | 49 TOPS | 49 TOPS | 50 TOPS | 47 TOPS |
| Integrated GPU | Intel Graphics | Intel Graphics | Intel Graphics | Intel Graphics |
| Xe cores | 4 | 4 | 4 | 4 |
| GPU max frequency | 2.5 GHz | 2.5 GHz | 2.45 GHz | 2.45 GHz |
| GPU peak INT8 TOPS | 40 | 40 | 40 | 40 |
| Maximum memory | 128 GB | 128 GB | 128 GB | 128 GB |
| Memory support | LPDDR5X-7467 / DDR5-6400 | LPDDR5X-7467 / DDR5-6400 | LPDDR5X-8533 / DDR5-7200 | LPDDR5X-7467 / DDR5-6400 |
| Maximum PCIe lanes | 12 | 12 | 20 | 12 |
| AMT / SIPP | No / No | Yes / Yes | Check exact platform | Yes / Yes |
Comparison figures are processor-level Intel specifications. Enterprise features can also depend on the complete platform and OEM configuration.
Core Ultra 7 355 vs Core Ultra 7 365
These two chips are extremely close in raw architecture: both have 8 cores, 8 threads, a 4P + 4LPE layout, 12 MB cache, a 49-TOPS NPU, 4 Xe cores, 40 GPU TOPS, the same memory support and the same 25 W / 55 W power specifications.
The 365 raises maximum CPU turbo from 4.7 GHz to 4.8 GHz. More importantly for managed business fleets, Intel lists the 365 with Intel vPro Platform eligibility, Active Management Technology and SIPP, while the 355 page lists AMT and SIPP as unavailable.
For a normal consumer, the 100 MHz difference is unlikely to justify a large price premium by itself. For enterprise buyers, however, the platform-management difference can be meaningful.
Core Ultra 7 355 vs Core Ultra 7 356H
This is the largest architectural jump in the comparison. The 356H has 16 cores, 16 threads, 18 MB cache, an 80 W maximum turbo power specification, faster listed memory and up to 20 PCIe lanes.
Both reach 4.7 GHz, which demonstrates why maximum turbo frequency is a poor way to compare these two processors. The 356H is the stronger choice for sustained multi-core workloads, while the 355 is the simpler 8-core option.
The 356H does not automatically provide a major iGPU advantage: Intel still lists 4 Xe cores and 40 GPU TOPS.
Core Ultra 7 355 vs Core Ultra 5 335
The Ultra 5 335 is closer to the 355 than the branding suggests. It has the same 8-core 4P + 4LPE layout, 12 MB cache, 25 W / 55 W power specifications, memory support, 4-Xe-core graphics and 12 PCIe lanes.
The 355 increases maximum CPU turbo from 4.6 GHz to 4.7 GHz, raises NPU throughput from 47 to 49 TOPS and raises the listed GPU clock from 2.45 to 2.5 GHz.
Intel also lists the Ultra 5 335 as vPro Platform and SIPP eligible. That means a lower CPU tier can actually offer stronger enterprise-manageability features than the 355, depending on the platform.
Business and manageability: a hidden distinction
A common mistake is assuming that a higher Core Ultra tier always includes every enterprise feature found below it. Intel's current specification pages show otherwise.
For the Core Ultra 7 355, Intel lists Intel Standard Manageability: Yes, but Active Management Technology (AMT), Remote Platform Erase, One-Click Recovery and SIPP are listed as unavailable.
By contrast, Intel's Core Ultra 7 365 and Core Ultra 5 335 pages list Intel vPro Platform eligibility, AMT and SIPP. If a laptop is being purchased for a centrally managed business fleet, this platform distinction may matter more than a small CPU-frequency difference.
Who should buy a Core Ultra 7 355 laptop?
Strong fit
- Productivity and office users
- Students and professionals who multitask heavily
- Buyers who want a 40+ TOPS-class NPU for supported Windows AI features
- General programming and development workloads
- Thin-and-light systems where a 16-core H-series chip is unnecessary
- Users who value DDR5 or LPDDR5X platform flexibility
Consider another option if
- You routinely run sustained, heavily threaded workloads
- You want Intel's strongest Series 3 integrated graphics
- A 356H or 366H laptop costs only slightly more
- An Ultra 5 335 laptop offers essentially the same system experience for much less
- You specifically need AMT/SIPP-class enterprise manageability
Best-value recommendation
Compare the 355 directly with both the Core Ultra 5 335 and Core Ultra 7 365. Their underlying 8-core architecture is very similar, so display quality, RAM, battery capacity, cooling and total system price can matter more than the badge.
Best multi-core recommendation
If your workload regularly uses many CPU cores, compare against the Core Ultra 7 356H. It doubles the core count to 16 and increases the power and I/O envelope substantially.
Best integrated-graphics recommendation
If gaming or GPU-heavy creation is the priority, look at Series 3 processors with Arc B370 or Arc B390 graphics. Moving from the 355 to the 356H primarily improves CPU scale, not Xe-core count.
Best business-fleet recommendation
If remote management and platform stability matter, inspect the Core Ultra 7 365 and Core Ultra 5 335 platforms carefully because Intel lists AMT/SIPP capabilities on those processor pages that it does not list on the 355.
Eight things to check before buying
- Exact processor: Confirm that the laptop uses the 355 and not the very different 356H.
- Price versus Ultra 5 335: The hardware is closer than the tier names imply.
- Price versus Ultra 7 365: Decide whether the extra frequency and enterprise platform features matter.
- RAM: Check capacity, speed and whether it is soldered or replaceable.
- Cooling: Sustained performance depends on the laptop chassis.
- Battery life: Use complete-system reviews rather than CPU power numbers alone.
- Display: Resolution, brightness, refresh rate and panel quality strongly affect daily experience.
- Graphics needs: Verify whether the 4-Xe-core iGPU is sufficient for your games or creative applications.
Final verdict: is the Intel Core Ultra 7 355 worth it?
The Intel Core Ultra 7 355 is a sensible Series 3 processor for users who want a modern 8-core CPU, 49-TOPS NPU, current media features and flexible memory support without moving into a larger H-series design.
Its weakness is not that it is a bad processor; it is that Intel's nearby models make the value decision complicated. The Ultra 5 335 is architecturally very close, the Ultra 7 365 adds only a small clock increase but stronger enterprise-manageability listings, and the 356H is a fundamentally larger 16-core CPU.
The sharpest buying rule is therefore: choose the complete laptop based on workload, price and platform features—not merely the Core Ultra 7 badge.
Frequently asked questions
Is there really an Intel Core Ultra 7 355 with no H or V suffix?
Yes. Intel officially lists the product as Intel Core Ultra 7 Processor 355. It is a mobile Series 3 processor with no letter suffix in the processor number.
How many cores does the Core Ultra 7 355 have?
It has 8 CPU cores: 4 Performance-cores and 4 Low Power Efficient-cores. Intel lists 8 total threads.
Does the Core Ultra 7 355 have standard E-cores?
No. Intel lists zero standard Efficient-cores. Its hybrid CPU layout is 4 Performance-cores plus 4 Low Power Efficient-cores.
What is the maximum turbo frequency?
Intel lists a maximum turbo frequency of 4.7 GHz.
How powerful is the NPU?
Intel rates the integrated NPU at 49 TOPS peak INT8 throughput.
Does the Core Ultra 7 355 meet the Copilot+ NPU threshold?
Its 49-TOPS NPU exceeds Microsoft's current 40+ TOPS NPU threshold. The full laptop still needs to meet Microsoft's other applicable Copilot+ PC requirements.
What graphics does the Core Ultra 7 355 use?
Intel lists Intel Graphics with 4 Xe cores, up to 2.5 GHz and 40 TOPS of peak INT8 GPU AI throughput.
Is the Core Ultra 7 355 good for gaming?
It has modern integrated graphics, but its 4-Xe-core design is not Intel's largest Series 3 iGPU. Exact-laptop gaming benchmarks are essential. Arc B370- or Arc B390-equipped models are more relevant for stronger integrated gaming.
How much RAM does the Core Ultra 7 355 support?
Intel lists up to 128 GB, dependent on memory type and system implementation, with support for up to LPDDR5X-7467 or DDR5-6400.
Is the Core Ultra 7 355 the same as the Core Ultra 7 356H?
No. The 355 has 8 cores and 12 MB cache. The 356H has 16 cores and 18 MB cache. Both can reach 4.7 GHz, so maximum clock speed alone hides a major architectural difference.
Is the Core Ultra 7 365 much faster than the 355?
The official specifications are very close: both have 8 cores, 12 MB cache, a 49-TOPS NPU and 4-Xe-core graphics. The 365 raises maximum CPU turbo from 4.7 to 4.8 GHz and also carries stronger enterprise-manageability listings on Intel's product page.
Does the Core Ultra 7 355 support Intel vPro?
Intel's current 355 specification page does not list full vPro Platform eligibility and lists AMT and SIPP as unavailable. Business buyers should verify the exact processor and OEM platform rather than assuming manageability features from the Ultra 7 tier.
Sources and fact-check notes
Core specifications were checked against Intel's current product database. Copilot+ PC hardware guidance was checked against Microsoft Learn. Specifications and software requirements can change, and laptop manufacturers can implement platform features differently.
- Intel — Core Ultra 7 355 specifications
- Intel — Core Ultra 7 365 specifications
- Intel — Core Ultra 7 356H specifications
- Intel — Core Ultra 5 335 specifications
- Microsoft Learn — Copilot+ PC and NPU guidance
Last fact-checked: September 13, 2026.