Intel Core Ultra 7 270K Plus vs Intel Core Ultra 7 355
[ VERDICT ]
Winner: Intel Core Ultra 7 270K Plus (98/100)
Intel Core Ultra 7 270K Plus leads overall with a score of 98/100 compared to Intel Core Ultra 7 355 (60/100), offering superior measured performance and technical specifications.
Benchmark Performance Comparison
Normalized Lab Scores| Benchmark | Intel Core Ultra 7 270K Plus | Intel Core Ultra 7 355 |
|---|---|---|
| Efficiency | 76.0 Good | 82.0 Very Good WINNER |
| Performance | 99.0 Excellent WINNER | 75.0 Good |
Detailed Technical Specifications
CPU
| Specification | Intel Core Ultra 7 270K Plus | Intel Core Ultra 7 355 |
|---|---|---|
| Base Frequency (E) | 3.2 GHz | 1.7 GHz |
| Base Frequency (P) | 3.7 GHz | 2.3 GHz |
| Bus Frequency | 100 MHz | 100 MHz |
| E-Cores | 16 | 4 |
| E-Threads | 16 | 4 |
| L1 Cache | 192K (per core) | — |
| L2 Cache | 3MB (per core) | 2MB (shared) |
| L3 Cache | 36MB (shared) | 12MB (shared) |
| Multiplier | 37x | 23x |
| P-Cores | 8 | 4 |
| P-Threads | 8 | 4 |
| Total Cores | 24 | 8 |
| Total Threads | 24 | 8 |
| Turbo Boost Frequency (E) | 4.7 GHz | 3.5 GHz |
| Turbo Boost Frequency (P) | 5.4 GHz | 4.7 GHz |
| Unlocked Multiplier | Yes | No |
Cinebench
| Specification | Intel Core Ultra 7 270K Plus | Intel Core Ultra 7 355 |
|---|---|---|
| Cinebench 2026 (Multi) | 9722 | — |
| Cinebench 2026 (Single) | 595 | — |
GeekBench v6
| Specification | Intel Core Ultra 7 270K Plus | Intel Core Ultra 7 355 |
|---|---|---|
| Background blur | 116 images/sec | 50.3 images/sec |
| Clang compilation | 297.3 Klines/sec | 74.6 Klines/sec |
| File compression | 2000 MB/sec | 1050 MB/sec |
| HTML 5 Browser | 635.2 pages/sec | 264 pages/sec |
| PDF Renderer | 716 Mpixels/sec | 293.7 Mpixels/sec |
| Photo processing | 210.5 images/sec | 122.1 images/sec |
| Ray tracing | 59 Mpixels/sec | 15.4 Mpixels/sec |
| Text processing | 447.5 pages/sec | 293.2 pages/sec |
General
| Specification | Intel Core Ultra 7 270K Plus | Intel Core Ultra 7 355 |
|---|---|---|
| AMD Equivalent | -AMD Ryzen 9 9950X | — |
| Codename | Arrow Lake | Panther Lake |
| Instruction Set | x86-64 | x86-64 |
| Integrated GPU | Arc iGPU (4-Cores) | Xe3 Graphics |
| Model number | 270K+ | 355 |
| Released | March 12, 2026 | January 5, 2026 |
| Type | Desktop | Laptop |
| Vendor | Intel | Intel |
Memory Support
| Specification | Intel Core Ultra 7 270K Plus | Intel Core Ultra 7 355 |
|---|---|---|
| ECC Support | Yes | No |
| Max. Memory Bandwidth | 115.2 GB/s | 89.6 GB/s |
| Max. Memory Size | 256 GB | 128 GB |
| Memory Channels | 2 | 2 |
| Memory Types | - DDR5-7200 | - LPDDR5X-7467- DDR5-6400 |
Misc
| Specification | Intel Core Ultra 7 270K Plus | Intel Core Ultra 7 355 |
|---|---|---|
| Official Site | Intel Core Ultra 7 270K Plus official page | Intel Core Ultra 7 355 official page |
| PCI Express Lanes | 24 | 12 |
| PCI Express Version | 5.0 | 5.0 |
Package
| Specification | Intel Core Ultra 7 270K Plus | Intel Core Ultra 7 355 |
|---|---|---|
| Fabrication Process | 3 nm | 2 nm |
| Max. Boost TDP (PL2) | 250 W | 55 W |
| Peak Temperature | 105°C | 100°C |
| Socket | FCLGA-1851 | FCBGA2540 |
| TDP (PL1) | 125 W | 15-25 W (configurable) |
| Transistors | 17.8 billions | — |
PassMark
| Specification | Intel Core Ultra 7 270K Plus | Intel Core Ultra 7 355 |
|---|---|---|
| Data compression | 803 MBytes/sec | 186.1 MBytes/sec |
| Data encryption | 59 GBytes/sec | 14.8 GBytes/sec |
| Extended instructions | 63.4B Matrices/sec | 17.2B Matrices/sec |
| Find prime numbers | 612M Primes/sec | 187M Primes/sec |
| Floating point math | 229.2 GOps/sec | 60.1 GOps/sec |
| Integer math | 175.8 GOps/sec | 43.9 GOps/sec |
| Physics | 4038 Frames/sec | 1901 Frames/sec |
| Random string sorting | 96.8M Strings/sec | 23.5M Strings/sec |
Performance Per Watt
| Specification | Intel Core Ultra 7 270K Plus | Intel Core Ultra 7 355 |
|---|---|---|
| Blender / Watt | 4.92 PPW | 6.06 PPW |
| Cinebench 2024 / Watt | 19.9 PPW | 30.4 PPW |
| Geekbench 6 Multi / Watt | 219.2 PPW | 456.7 PPW |
| Passmark CPU Mark / Watt | 547.7 PPW | 810.4 PPW |
Recent User Tests
| Specification | Intel Core Ultra 7 270K Plus | Intel Core Ultra 7 355 |
|---|---|---|
| Date | Benchmark | — |
| 📘 2026-04-07(IdiotStick) | Cinebench 2026 | — |
| 📘 2026-04-11(Daniel Comeau) | Cinebench 2026 | — |
| 📘 2026-06-13(sparehobos) | Cinebench 2024 | — |
| 📘 2026-06-25(Adnan) | Cinebench 2024 | — |
| 📘 2026-08-12(coolguy) | Cinebench 2026 | — |
iGPU
| Specification | Intel Core Ultra 7 270K Plus | Intel Core Ultra 7 355 |
|---|---|---|
| Execution Units | 64 | 4 |
| GPU Base Clock | 300 MHz | 300 MHz |
| GPU Boost Clock | 2000 MHz | 2500 MHz |
| Integrated Graphics | Intel Arc iGPU (4-Cores) | Intel Xe3 Graphics |
| ROPs | 16 | 16 |
| Shading Units | 512 | 512 |
| TGP | 14 W | 25 W |
| TMUs | 32 | 32 |
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