Intel Core Ultra 7 255HX vs Intel Core Ultra 7 270K Plus
[ 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 255HX (75/100), offering superior measured performance and technical specifications.
Benchmark Performance Comparison
Normalized Lab Scores| Benchmark | Intel Core Ultra 7 255HX | Intel Core Ultra 7 270K Plus |
|---|---|---|
| Efficiency | 73.0 Good | 76.0 Good WINNER |
| Performance | 83.0 Very Good | 99.0 Excellent WINNER |
Detailed Technical Specifications
CPU
| Specification | Intel Core Ultra 7 255HX | Intel Core Ultra 7 270K Plus |
|---|---|---|
| Base Frequency (E) | 1.8 GHz | 3.2 GHz |
| Base Frequency (P) | 2.4 GHz | 3.7 GHz |
| Bus Frequency | 100 MHz | 100 MHz |
| E-Cores | 12 | 16 |
| E-Threads | 12 | 16 |
| L1 Cache | 192K (per core) | 192K (per core) |
| L2 Cache | 2MB (per core) | 3MB (per core) |
| L3 Cache | 30MB (shared) | 36MB (shared) |
| Multiplier | 24x | 37x |
| P-Cores | 8 | 8 |
| P-Threads | 8 | 8 |
| Total Cores | 20 | 24 |
| Total Threads | 20 | 24 |
| Turbo Boost Frequency (E) | 4.5 GHz | 4.7 GHz |
| Turbo Boost Frequency (P) | 5.2 GHz | 5.4 GHz |
| Unlocked Multiplier | Yes | Yes |
GeekBench v6
| Specification | Intel Core Ultra 7 255HX | Intel Core Ultra 7 270K Plus |
|---|---|---|
| Background blur | 64.1 images/sec | 116 images/sec |
| Clang compilation | 149.8 Klines/sec | 297.3 Klines/sec |
| File compression | 1140 MB/sec | 2000 MB/sec |
| HTML 5 Browser | 312.2 pages/sec | 635.2 pages/sec |
| PDF Renderer | 423.9 Mpixels/sec | 716 Mpixels/sec |
| Photo processing | 111.8 images/sec | 210.5 images/sec |
| Ray tracing | 31.1 Mpixels/sec | 59 Mpixels/sec |
| Text processing | 335.6 pages/sec | 447.5 pages/sec |
General
| Specification | Intel Core Ultra 7 255HX | Intel Core Ultra 7 270K Plus |
|---|---|---|
| AMD Equivalent | -AMD Ryzen AI Max Pro 380 | -AMD Ryzen 9 9950X |
| Codename | Arrow Lake | Arrow Lake |
| Instruction Set | x86-64 | x86-64 |
| Integrated GPU | Arc Graphics (4-Cores) | Arc iGPU (4-Cores) |
| Model number | 255HX | 270K+ |
| Released | January 6, 2025 | March 12, 2026 |
| Type | Laptop | Desktop |
| Vendor | Intel | Intel |
Memory Support
| Specification | Intel Core Ultra 7 255HX | Intel Core Ultra 7 270K Plus |
|---|---|---|
| ECC Support | Yes | Yes |
| Max. Memory Bandwidth | 102.4 GB/s | 115.2 GB/s |
| Max. Memory Size | 256 GB | 256 GB |
| Memory Channels | 2 | 2 |
| Memory Types | - DDR5-6400 | - DDR5-7200 |
Misc
| Specification | Intel Core Ultra 7 255HX | Intel Core Ultra 7 270K Plus |
|---|---|---|
| Official Site | Intel Core Ultra 7 255HX official page | Intel Core Ultra 7 270K Plus official page |
| PCI Express Lanes | 24 | 24 |
| PCI Express Version | 5.0 | 5.0 |
| Technologies | - Compute: ABM, ADX, AI Boost 3.0, AVX-VNNI, BMI1, BMI2, CLMUL, DLBoost 3.0, F16C, IPU 6.0, SHA- Performance: CFET, EIST, Speed Shift, TBMT 3.0, TBT 2.0, Thread Director- Virtualization: VT-d, VT-x, VT-x EPT- Security: MBEC, RDRAND, TDT, TXT, XD bit, vPro | — |
Package
| Specification | Intel Core Ultra 7 255HX | Intel Core Ultra 7 270K Plus |
|---|---|---|
| Fabrication Process | 3 nm | 3 nm |
| Max. Boost TDP (PL2) | 160 W | 250 W |
| Peak Temperature | 105°C | 105°C |
| Socket | FCBGA-2114 | FCLGA-1851 |
| TDP (PL1) | 45-55 W (configurable) | 125 W |
| Transistors | — | 17.8 billions |
PassMark
| Specification | Intel Core Ultra 7 255HX | Intel Core Ultra 7 270K Plus |
|---|---|---|
| Data compression | 513.6 MBytes/sec | 803 MBytes/sec |
| Data encryption | 39.4 GBytes/sec | 59 GBytes/sec |
| Extended instructions | 41.1B Matrices/sec | 63.4B Matrices/sec |
| Find prime numbers | 400M Primes/sec | 612M Primes/sec |
| Floating point math | 160.3 GOps/sec | 229.2 GOps/sec |
| Integer math | 127 GOps/sec | 175.8 GOps/sec |
| Physics | 2916 Frames/sec | 4038 Frames/sec |
| Random string sorting | 62.4M Strings/sec | 96.8M Strings/sec |
Performance Per Watt
| Specification | Intel Core Ultra 7 255HX | Intel Core Ultra 7 270K Plus |
|---|---|---|
| Blender / Watt | 7.11 PPW | 4.92 PPW |
| Cinebench 2024 / Watt | 32 PPW | 19.9 PPW |
| Geekbench 6 Multi / Watt | 328 PPW | 219.2 PPW |
| Passmark CPU Mark / Watt | 874.8 PPW | 547.7 PPW |
Recent User Tests
| Specification | Intel Core Ultra 7 255HX | Intel Core Ultra 7 270K Plus |
|---|---|---|
| Date | Benchmark | Benchmark |
| 📘 2025-11-24(Abhi) | GeekBench | — |
| 📘 2025-11-26(Verbickisd) | Cinebench 2024 | — |
| 📘 2025-12-17(balihardik009) | Cinebench 2024 | — |
| 📘 2025-12-25(Junebug) | Cinebench 2024 | — |
| 📘 2026-06-05(Levi) | GeekBench | — |
| 📘 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 255HX | Intel Core Ultra 7 270K Plus |
|---|---|---|
| Execution Units | 64 | 64 |
| GPU Base Clock | 300 MHz | 300 MHz |
| GPU Boost Clock | 1850 MHz | 2000 MHz |
| Integrated Graphics | Arc Graphics (4-Cores) | Intel Arc iGPU (4-Cores) |
| ROPs | 16 | 16 |
| Shading Units | 512 | 512 |
| TGP | 14 W | 14 W |
| TMUs | 32 | 32 |
Cinebench
| Specification | Intel Core Ultra 7 255HX | Intel Core Ultra 7 270K Plus |
|---|---|---|
| Cinebench 2026 (Multi) | — | 9722 |
| Cinebench 2026 (Single) | — | 595 |
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