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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:
819th fastest in multithreading out of 5149 CPUs
178th fastest in single threading out of 5149 CPUs
177th fastest in out of 1491 Laptop CPUs
34th fastest in out of 1107 Mobile/Embedded CPUs

Last Price Change: NA

Average CPU Mark rating
Multithread Rating
19256
Single Thread Rating
3899

Samples: 33*
*Margin for error: Low

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

Integer Math67,616 MOps/Sec
Floating Point Math49,258 MOps/Sec
Find Prime Numbers72 Million Primes/Sec
Random String Sorting23,044 Thousand Strings/Sec
Data Encryption13,346 MBytes/Sec
Data Compression208,725 KBytes/Sec
Physics1,263 Frames/Sec
Extended Instructions11,500 Million Matrices/Sec
Single Thread3,899 MOps/Sec
From submitted results to PerformanceTest V10 as of 12th of June 2025.

CPU Mark Distribution for Intel Core Ultra 7 255U

Submitted Baseline Distribution Graph as of 10th of June 2025
From submitted results since PerformanceTest V10 as of 10th of June 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 June 2025 - Higher results represent better performance
Processor Average CPU Mark
AMD Ryzen Z1 Extreme
 24,982
AMD Ryzen 7 5800H
 20,840
Intel Core Ultra 7 255U
 19,256
Apple M1 8 Core 3200 MHz
 14,145
Apple M1 8 Core 3200 MHz
 14,145
Intel Core i5-1235U
 12,979
Intel Core i7-9750H @ 2.60GHz
 10,699
Apple A15 Bionic
 9,897
Intel Core i5-1135G7 @ 2.40GHz
 9,550
Apple A14 Bionic
 8,555
Apple A13 Bionic
 5,746
CPU Value (CPU Mark / $Price )
As of 12th of June 2025 - Higher results represent better value
Processor CPU Mark / $Price
Intel Core i5-1235U
 42.00
Intel Core i5-1135G7 @ 2.40GHz
 30.91
Intel Core i7-9750H @ 2.60GHz
 11.14
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 June 2025 - Higher results represent better performance
Processor Average Thread Rating
Intel Core Ultra 7 255U
 3,899
Apple M1 8 Core 3200 MHz
 3,680
Apple M1 8 Core 3200 MHz
 3,680
AMD Ryzen Z1 Extreme
 3,593
Apple A15 Bionic
 3,591
Apple A14 Bionic
 3,390
Intel Core i5-1235U
 3,161
AMD Ryzen 7 5800H
 3,027
Intel Core i5-1135G7 @ 2.40GHz
 2,646
Intel Core i7-9750H @ 2.60GHz
 2,407
Apple A13 Bionic
 2,340
Last 5 Baselines for Intel Core Ultra 7 255U
Most recent listed first
Baseline CPU Mark
BL2680722 - Jun 07 2025
13976
BL2680632 - Jun 07 2025
12969
BL2677045 - Jun 06 2025
22462
BL2676986 - Jun 06 2025
22251
BL2674980 - Jun 05 2025
20038
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 June 2025 - Higher results represent better performance
Processor Average CPU Mark
Intel Core Ultra 7 255U
 19,256
Apple M4 10 Core vs Intel Core Ultra 7 255U
 23,999 (+24.6%)
Intel Core Ultra 7 268V vs Intel Core Ultra 7 255U
 20,242 (+5.1%)
Intel Core Ultra 7 256V vs Intel Core Ultra 7 255U
 19,938 (+3.5%)
Intel Core Ultra 7 258V vs Intel Core Ultra 7 255U
 19,143 (-0.6%)
Intel Core Ultra 7 265U vs Intel Core Ultra 7 255U
 19,066 (-1.0%)
Intel Core Ultra 5 226V vs Intel Core Ultra 7 255U
 18,834 (-2.2%)
Intel Core Ultra 5 125U vs Intel Core Ultra 7 255U
 17,549 (-8.9%)
AMD Ryzen AI 7 PRO 360 vs Intel Core Ultra 7 255U
 21,217 (+10.2%)
Intel Core Ultra 7 266V vs Intel Core Ultra 7 255U
 20,430 (+6.1%)
Intel Core Ultra 9 288V vs Intel Core Ultra 7 255U
 20,414 (+6.0%)
AMD Ryzen AI 5 340 vs Intel Core Ultra 7 255U
 20,355 (+5.7%)
Apple M3 8 Core vs Intel Core Ultra 7 255U
 19,191 (-0.3%)