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Intel Core Ultra 7 255U

Benchmarks for the Intel Core Ultra 7 255U 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.

  • The first graph shows the relative performance of the CPU compared to the 10 other common (single) CPUs in terms of PassMark CPU Mark.
  • The 2nd graph shows the value for money, in terms of the CPUMark per dollar.
  • The pricing history data shows the price for a single Processor. For multiple Processors, multiply the price shown by the number of CPUs.

Intel Core Ultra 7 255U

Description: Intel Graphics, Intel AI Boost

Class: Laptop, Mobile/Embedded

Socket: FCBGA2049

Total Cores: 12 Cores, 14 Threads

Performance Cores: 2 Cores, 4 Threads, 2.0 GHz Base, 5.2 GHz Turbo

Efficient Cores: 10 Cores, 10 Threads, 1.7 GHz Base, 4.2 GHz Turbo

Typical TDP: 15 W

TDP Down: 12 W

TDP Up: 57 W

Cache per CPU Package:
L1 Instruction Cache: 2 x 64 KB
L1 Data Cache: 2 x 48 KB
L2 Cache: 5 x 2048 KB
L3 Cache: 12 MB

Cache per Eff. CPU Package:
Eff. L1 Instruction Cache: 10 x 64 KB
Eff. L1 Data Cache: 10 x 32 KB

Memory Support: Max. Memory Size: 128 GB (Up to LPDDR5/x 8400 MT/s Up to DDR5 6400 MT/s)

Other names: Intel(R) Core(TM) Ultra 7 255U

CPU First Seen on Charts: Q1 2025

CPUmark/$Price: NA

Overall Rank:
991st fastest in multithreading out of 5444 CPUs
326th fastest in single threading out of 5444 CPUs
218th fastest in out of 1513 Laptop CPUs
60th fastest in out of 1216 Mobile/Embedded CPUs

Last Price Change: NA

Average CPU Mark rating
Multithread Rating
18005
Single Thread Rating
3677

Samples: 184*
*Margin for error: Low

CPU Test Suite Average Results for Intel Core Ultra 7 255U

Integer Math65,306 MOps/Sec
Floating Point Math46,130 MOps/Sec
Find Prime Numbers65 Million Primes/Sec
Random String Sorting21,475 Thousand Strings/Sec
Data Encryption12,351 MBytes/Sec
Data Compression196,611 KBytes/Sec
Physics1,167 Frames/Sec
Extended Instructions10,839 Million Matrices/Sec
Single Thread3,677 MOps/Sec
From submitted results to PerformanceTest V10 as of 12th of November 2025.

CPU Mark Distribution for Intel Core Ultra 7 255U

Submitted Baseline Distribution Graph as of 11th of November 2025
From submitted results since PerformanceTest V10 as of 11th of November 2025.
For distribution graph only: Results are trimmed to exclude outliers by disregarding the bottom 1% and top 1% of submissions.

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CPU Mark Relative to Top 10 Common Laptop, Mobile/Embedded CPUs
As of 12th of November 2025 - Higher results represent better performance
Processor Average CPU Mark
AMD Ryzen Z1 Extreme
 24,711
AMD Ryzen 7 5800H
 20,703
Intel Core Ultra 7 255U
 18,005
Apple M1 8 Core 3200 MHz
 14,146
Apple M1 8 Core 3200 MHz
 14,146
Intel Core i5-1235U
 12,760
Intel Core i7-9750H @ 2.60GHz
 10,619
Apple A15 Bionic
 9,887
Intel Core i5-1135G7 @ 2.40GHz
 9,417
Apple A14 Bionic
 8,548
Apple A13 Bionic
 5,769
CPU Value (CPU Mark / $Price )
As of 12th of November 2025 - Higher results represent better value
Processor CPU Mark / $Price
Intel Core i5-1235U
 41.30
Intel Core i5-1135G7 @ 2.40GHz
 30.47
Intel Core i7-9750H @ 2.60GHz
 11.06
Intel Core Ultra 7 255U
 NA
Apple M1 8 Core 3200 MHz
 NA
AMD Ryzen 7 5800H
 NA
AMD Ryzen Z1 Extreme
 NA
Apple M1 8 Core 3200 MHz
 NA
Apple A15 Bionic
 NA
Apple A14 Bionic
 NA
Apple A13 Bionic
 NA
Single Thread Rating
As of 12th of November 2025 - Higher results represent better performance
Processor Average Thread Rating
Apple M1 8 Core 3200 MHz
 3,679
Apple M1 8 Core 3200 MHz
 3,679
Intel Core Ultra 7 255U
 3,677
Apple A15 Bionic
 3,583
AMD Ryzen Z1 Extreme
 3,564
Apple A14 Bionic
 3,384
Intel Core i5-1235U
 3,119
AMD Ryzen 7 5800H
 3,012
Intel Core i5-1135G7 @ 2.40GHz
 2,622
Intel Core i7-9750H @ 2.60GHz
 2,395
Apple A13 Bionic
 2,347
Last 5 Baselines for Intel Core Ultra 7 255U
Most recent listed first
Baseline CPU Mark
BL3043844 - Nov 11 2025
23758
BL3040743 - Nov 10 2025
17217
BL3034371 - Nov 07 2025
14946
BL3034301 - Nov 07 2025
12253
BL3034258 - Nov 07 2025
24183
Additional baselines can be obtained using Windows version of PerformanceTest's Manage Baselines feature.
Popular comparisons for Intel Core Ultra 7 255U
As of 12th of November 2025 - Higher results represent better performance
Processor Average CPU Mark
Intel Core Ultra 7 255U
 18,005
AMD Ryzen AI 7 PRO 360 vs Intel Core Ultra 7 255U
 22,126 (+22.9%)
Intel Core Ultra 7 268V vs Intel Core Ultra 7 255U
 19,769 (+9.8%)
Intel Core Ultra 9 288V vs Intel Core Ultra 7 255U
 19,732 (+9.6%)
AMD Ryzen AI 5 340 vs Intel Core Ultra 7 255U
 19,677 (+9.3%)
Intel Core Ultra 7 256V vs Intel Core Ultra 7 255U
 19,579 (+8.7%)
AMD Ryzen AI 5 PRO 340 vs Intel Core Ultra 7 255U
 19,423 (+7.9%)
Intel Core Ultra 7 266V vs Intel Core Ultra 7 255U
 19,180 (+6.5%)
Intel Core Ultra 7 258V vs Intel Core Ultra 7 255U
 18,974 (+5.4%)
Intel Core Ultra 5 225U vs Intel Core Ultra 7 255U
 18,672 (+3.7%)
Intel Core Ultra 5 226V vs Intel Core Ultra 7 255U
 18,393 (+2.2%)
Intel Core Ultra 5 236V vs Intel Core Ultra 7 255U
 18,308 (+1.7%)
Intel Core Ultra 5 238V vs Intel Core Ultra 7 255U
 18,211 (+1.1%)