Over 1,000,000 CPUs Benchmarked
Benchmarks for the Intel Core Ultra 7 255HX can be found below. Release dates, price and performance comparisons are also listed when available. This is made using thousands of PerformanceTest benchmark results and is updated daily.
Description:
Class:
Socket:
Total Cores: 20 Cores, 20 Threads
Performance Cores: 8 Cores, 8 Threads, 2.4 GHz Base, 5.2 GHz Turbo
Efficient Cores: 12 Cores, 12 Threads, NA Base, NA Turbo
Typical TDP: 55 W
Cache per CPU Package:
L1 Instruction Cache: 8 x 64 KB
L1 Data Cache: 8 x 48 KB
L2 Cache: 8 x 3072 KB
L3 Cache: 30 MB
Cache per Eff. CPU Package:
Eff. L1 Instruction Cache: 12 x 64 KB
Eff. L1 Data Cache: 12 x 32 KB
Eff. L2 Cache: 3 x 4096 KB
Other names: Intel(R) Core(TM) Ultra 7 255HX
CPU First Seen on Charts: Q2 2025
CPUmark/$Price: NA
Overall Rank:
139th fastest in multithreading out of 5090 CPUs
7th fastest in single threading out of 5090 CPUs
Last Price Change: NA
| Integer Math | 140,829 MOps/Sec |
|---|---|
| Floating Point Math | 188,228 MOps/Sec |
| Find Prime Numbers | 477 Million Primes/Sec |
| Random String Sorting | 79,076 Thousand Strings/Sec |
| Data Encryption | 47,992 MBytes/Sec |
| Data Compression | 648,477 KBytes/Sec |
| Physics | 2,990 Frames/Sec |
| Extended Instructions | 52,542 Million Matrices/Sec |
| Single Thread | 4,816 MOps/Sec |
Not Enough Data from Current Version of PerformanceTest to Create Distribution Graph.
 |
 |
 |
 |
| Processor | Average CPU Mark | |
|---|---|---|
| AMD Ryzen 9 7950X | 62,571 | |
| AMD Ryzen 9 7950X3D | 62,438 | |
| Intel Core i9-14900K | 59,084 | |
| Intel Core i9-14900KF | 58,862 | |
| Intel Core i9-13900K | 58,722 | |
| Intel Core i9-13900KF | 57,951 | |
| Intel Core Ultra 7 255HX | 56,989 | |
| AMD Ryzen 9 7900X | 51,474 | |
| Apple M2 8 Core 3500 MHz | 15,648 | |
| Apple M1 8 Core 3200 MHz | 14,143 | |
| Apple A15 Bionic | 9,899 |
| Processor | CPU Mark / $Price | |
|---|---|---|
| Intel Core i9-13900K | 147.03 | |
| Intel Core i9-14900KF | 138.50 | |
| Intel Core i9-13900KF | 134.77 | |
| Intel Core i9-14900K | 132.18 | |
| Intel Core Ultra 7 255HX | NA | |
| Apple M2 8 Core 3500 MHz | NA | |
| Apple M1 8 Core 3200 MHz | NA | |
| Apple A15 Bionic | NA | |
| AMD Ryzen 9 7950X | NA | |
| AMD Ryzen 9 7950X3D | NA | |
| AMD Ryzen 9 7900X | NA |
| Processor | Average Thread Rating | |
|---|---|---|
| Intel Core Ultra 7 255HX | 4,816 | |
| Intel Core i9-14900K | 4,710 | |
| Intel Core i9-14900KF | 4,695 | |
| Intel Core i9-13900K | 4,611 | |
| Intel Core i9-13900KF | 4,597 | |
| AMD Ryzen 9 7950X | 4,271 | |
| AMD Ryzen 9 7900X | 4,243 | |
| AMD Ryzen 9 7950X3D | 4,149 | |
| Apple M2 8 Core 3500 MHz | 3,903 | |
| Apple M1 8 Core 3200 MHz | 3,680 | |
| Apple A15 Bionic | 3,593 |
| Baseline | CPU Mark | |
|---|---|---|
| BL2572258 - Apr 22 2025 | 56989 |
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