Intel Core Ultra 7 255HX

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.

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.

Is the Intel Core Ultra 7 255HX Good for Gaming?

This is a newly released CPU that contains 20 Cores and 20 Threads. The Intel Core Ultra 7 255HX also has great single threaded performance that will serve well in games. Paired with a good videocard, is this CPU Good for Gaming? Yes, this is a high end chip that would be great for gaming. [More ...]

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Intel Core Ultra 7 255HX

Description: Intel Graphics, Intel AI Boost

Class: Laptop

Socket: FCBGA2114

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, 1.8 GHz Base, 4.5 GHz Turbo

Typical TDP: 55 W

TDP Down: 45 W

TDP Up: 160 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

Memory Support: Max. Memory Size: 256 GB (Up to DDR5 6400 MT/s)

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

CPU First Seen on Charts: Q2 2025

CPUmark/$Price: NA

Overall Rank:
245th fastest in multithreading out of 5776 CPUs
44th fastest in single threading out of 5776 CPUs
14th fastest in out of 1609 Laptop CPUs

Last Price Change: NA

Average CPU Mark rating

Multithread Rating

49267

Single Thread Rating

4596

Samples: 505*
*Margin for error: Low

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

Integer Math	129,406 MOps/Sec
Floating Point Math	164,395 MOps/Sec
Find Prime Numbers	407 Million Primes/Sec
Random String Sorting	64,080 Thousand Strings/Sec
Data Encryption	40,422 MBytes/Sec
Data Compression	527,772 KBytes/Sec
Physics	3,017 Frames/Sec
Extended Instructions	42,377 Million Matrices/Sec
Single Thread	4,596 MOps/Sec

From submitted results to PerformanceTest V10 as of 7th of February 2026.

CPU Mark Distribution for Intel Core Ultra 7 255HX

Submitted Baseline Distribution Graph as of 5th of February 2026

From submitted results since PerformanceTest V10 as of 5th of February 2026.
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 CPUs
As of 8th of February 2026 - Higher results represent better performance
Processor	Average CPU Mark
Intel Core Ultra 7 255HX		49,267
Intel Core i7-12700H		25,268
Apple M4 10 Core		23,703
AMD Ryzen 7 5800H		20,632
Intel Core i7-11800H @ 2.30GHz		19,768
AMD Ryzen 7 4800H		18,013
AMD Ryzen 5 5600H		16,485
Apple M2 8 Core 3500 MHz		15,641
Apple M1 8 Core 3200 MHz		14,133
Intel Core i7-9750H @ 2.60GHz		10,600
Intel Core i5-1135G7 @ 2.40GHz		9,395

CPU Value (CPU Mark / $Price )
As of 8th of February 2026 - Higher results represent better value
Processor	CPU Mark / $Price
Intel Core i7-12700H		55.29
Intel Core i7-11800H @ 2.30GHz		50.05
Intel Core i5-1135G7 @ 2.40GHz		30.40
Intel Core i7-9750H @ 2.60GHz		11.04
Intel Core Ultra 7 255HX		NA
Apple M1 8 Core 3200 MHz		NA
Apple M2 8 Core 3500 MHz		NA
Apple M4 10 Core		NA
AMD Ryzen 7 5800H		NA
AMD Ryzen 5 5600H		NA
AMD Ryzen 7 4800H		NA

Single Thread Rating
As of 8th of February 2026 - Higher results represent better performance
Processor	Average Thread Rating
Intel Core Ultra 7 255HX		4,596
Apple M4 10 Core		4,516
Apple M2 8 Core 3500 MHz		3,886
Apple M1 8 Core 3200 MHz		3,676
Intel Core i7-12700H		3,506
Intel Core i7-11800H @ 2.30GHz		3,024
AMD Ryzen 7 5800H		3,004
AMD Ryzen 5 5600H		2,888
Intel Core i5-1135G7 @ 2.40GHz		2,616
AMD Ryzen 7 4800H		2,588
Intel Core i7-9750H @ 2.60GHz		2,392

Last 5 Baselines for Intel Core Ultra 7 255HX
Most recent listed first
Baseline	CPU Mark
BL3269712 - Feb 07 2026		50122
BL3269057 - Feb 07 2026		50679
BL3269054 - Feb 07 2026		50679
BL3268326 - Feb 06 2026		55060
BL3267533 - Feb 06 2026		39474

Additional baselines can be obtained using Windows version of PerformanceTest's Manage Baselines feature.

Popular comparisons for Intel Core Ultra 7 255HX
As of 8th of February 2026 - Higher results represent better performance
Processor	Average CPU Mark
Intel Core Ultra 7 255HX		49,267
Intel Core Ultra 9 275HX vs Intel Core Ultra 7 255HX		56,074 (+13.8%)
Intel Core Ultra 9 285HX vs Intel Core Ultra 7 255HX		57,601 (+16.9%)
Intel Core Ultra 7 265HX vs Intel Core Ultra 7 255HX		48,895 (-0.8%)
AMD Ryzen AI 7 350 vs Intel Core Ultra 7 255HX		24,954 (-49.3%)
Apple M4 Max 14 Core vs Intel Core Ultra 7 255HX		38,490 (-21.9%)
Apple M4 Pro 14 Core vs Intel Core Ultra 7 255HX		38,075 (-22.7%)
AMD Ryzen 9 9955HX vs Intel Core Ultra 7 255HX		55,741 (+13.1%)
AMD Ryzen AI Max+ 395 vs Intel Core Ultra 7 255HX		55,116 (+11.9%)
AMD Ryzen 9 8945HX vs Intel Core Ultra 7 255HX		52,264 (+6.1%)
AMD Ryzen AI Max+ Pro 395 vs Intel Core Ultra 7 255HX		51,552 (+4.6%)
AMD Ryzen 9 8940HX vs Intel Core Ultra 7 255HX		50,717 (+2.9%)
Apple M4 Max 16 Core vs Intel Core Ultra 7 255HX		44,039 (-10.6%)

Is the Intel Core Ultra 7 255HX Good for Gaming?
As of 8th of February 2026 - Higher results represent better performance
Processor	Relative Gaming Score
AMD Ryzen 9 9955HX3D		9,769
Intel Core Ultra 9 285HX		9,431
Intel Core Ultra 9 275HX		8,999
Intel Core Ultra 5 235HX		8,984
Intel Core Ultra 7 255HX		7,919
Intel Core Ultra 7 265HX		7,865
Intel Core Ultra 7 265H		7,772
Intel Core Ultra X9 388H		7,303
AMD Ryzen 9 9850HX		7,301
AMD RYZEN AI MAX+ 392		7,148
Intel Core i9-14900HX		6,905
AMD Ryzen AI Max Pro 390		6,751
AMD Ryzen AI Max 390		6,683

CPU Benchmarks

CPU Benchmarks

Intel Core Ultra 7 255HX

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

CPU Mark Distribution for Intel Core Ultra 7 255HX