Intel Core i7-1255U

Benchmarks for the Intel Core i7-1255U 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 i7-1255U Good for Gaming?

This is an old CPU that contains 10 Cores and 12 Threads. The Intel Core i7-1255U also has reasonable threaded performance that will serve well in games. Paired with a good videocard, is this CPU Good for Gaming? Yes, this would be a suitable CPU for gaming. [More ...]

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Intel Core i7-1255U

Description: Intel Iris Xe Graphics

Class: Laptop

Socket: FCBGA1744

Total Cores: 10 Cores, 12 Threads

Performance Cores: 2 Cores, 4 Threads, 1.7 GHz Base, 4.7 GHz Turbo

Efficient Cores: 8 Cores, 8 Threads, 1.2 GHz Base, 3.5 GHz Turbo

Typical TDP: 15 W

TDP Down: 12 W

TDP Up: 55 W

Cache per CPU Package:
L1 Instruction Cache: 2 x 32 KB
L1 Data Cache: 2 x 48 KB
L2 Cache: 2 x 1280 KB
L3 Cache: 12 MB

Cache per Eff. CPU Package:
Eff. L1 Instruction Cache: 8 x 64 KB
Eff. L1 Data Cache: 8 x 32 KB
Eff. L2 Cache: 2 x 2048 KB

Memory Support: Max. Memory Size: 64 GB (Up to DDR5 4800 MT/s, Up to DDR4 3200 MT/s, Up to )

Other names: 12th Gen Intel(R) Core(TM) i7-1255U, 12th Gen Intel Core i7-1255U

CPU First Seen on Charts: Q1 2022

CPUmark/$Price: 31.13

Overall Rank:
1155th fastest in multithreading out of 5157 CPUs
535th fastest in single threading out of 5157 CPUs
280th fastest in out of 1491 Laptop CPUs

Last Price Change: $426.00 USD (2022-01-01)

Average CPU Mark rating

Multithread Rating

13260

Single Thread Rating

3202

Samples: 2295*
*Margin for error: Low

CPU Test Suite Average Results for Intel Core i7-1255U

Integer Math	48,653 MOps/Sec
Floating Point Math	32,691 MOps/Sec
Find Prime Numbers	40 Million Primes/Sec
Random String Sorting	16,966 Thousand Strings/Sec
Data Encryption	9,277 MBytes/Sec
Data Compression	147,480 KBytes/Sec
Physics	791 Frames/Sec
Extended Instructions	8,237 Million Matrices/Sec
Single Thread	3,202 MOps/Sec

From submitted results to PerformanceTest V10 as of 22nd of June 2025.

CPU Mark Distribution for Intel Core i7-1255U

Submitted Baseline Distribution Graph as of 16th of June 2025

From submitted results since PerformanceTest V10 as of 16th 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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Pricing History

Machines with this CPU (or similar)

	HP 17 Laptop, 17.3" HD+ Touchscreen Display, 12th Gen Intel Core i7-1255U, 64GB RAM, 2TB SSD, Webcam, HDMI, SuperSpeed USB Ports, Wi-Fi 6, Windows 11 Home, Silver	$840.00 (www.amazon.com)
	Dell Inspiron 3520 15.6" Touchscreen i7 Laptop, 15.6" FHD Touchscreen, Intel Core i7-1255U, 32GB RAM, 1TB SSD, Numeric Keypad, Webcam, SD Card Reader, HDMI, Wi-Fi, Windows 11 Home, Black	$684.99 (www.amazon.com)
	Dell Inspiron 3520 15.6" FHD Laptop, Intel Core i7-1255U Processor, 32GB RAM, 1TB SSD, Webcam, HDMI, SD-Card Slot, Wi-Fi 6, Windows 11 Home, Black	$615.00 (www.amazon.com)
	HP 15.6" Full HD Touchscreen Laptop, 16GB RAM, 1TB SSD Storage, Intel Core i7-1255U Processor up to 4.7GHz, Long Battery Life, HD Camera, HDMI, Windows 11, Natural Silver, W/GaLiMu	$642.00 (www.amazon.com)
	Lenovo V15 Laptop for Business, Home, Student \| 15.6" FHD Anti-Glare Display \| Intel Core i7-1255U \| 16GB RAM \| 512GB SSD \| HDMI \| Type-C \| RJ-45 \| Numeric Keypad \| Webcam \| Wi-Fi 6 \| Windows 11 Pro	$599.00 (www.amazon.com)

Note: PassMark Software may earn compensation for sales from links on this site through affiliate programs.

CPU Mark Relative to Top 10 Common Laptop CPUs
As of 22nd of June 2025 - Higher results represent better performance
Processor	Average CPU Mark
Apple M1 Max 10 Core 3200 MHz		22,143
AMD Ryzen 7 5800H		20,826
Intel Core i7-11800H @ 2.30GHz		20,059
AMD Ryzen 7 4800H		18,246
AMD Ryzen 5 5600H		16,726
Apple M2 8 Core 3500 MHz		15,654
Apple M1 8 Core 3200 MHz		14,147
Intel Core i7-1255U		13,260
Intel Core i7-10750H @ 2.60GHz		11,648
Intel Core i7-9750H @ 2.60GHz		10,692
Intel Core i5-1135G7 @ 2.40GHz		9,537

CPU Value (CPU Mark / $Price )
As of 22nd of June 2025 - Higher results represent better value
Processor	CPU Mark / $Price
Intel Core i7-11800H @ 2.30GHz		50.78
Intel Core i7-1255U		31.13
Intel Core i5-1135G7 @ 2.40GHz		30.86
Intel Core i7-9750H @ 2.60GHz		11.14
Apple M1 8 Core 3200 MHz		NA
Apple M2 8 Core 3500 MHz		NA
Apple M1 Max 10 Core 3200 MHz		NA
AMD Ryzen 7 5800H		NA
AMD Ryzen 7 4800H		NA
AMD Ryzen 5 5600H		NA
Intel Core i7-10750H @ 2.60GHz		NA

Single Thread Rating
As of 22nd of June 2025 - Higher results represent better performance
Processor	Average Thread Rating
Apple M2 8 Core 3500 MHz		3,900
Apple M1 Max 10 Core 3200 MHz		3,836
Apple M1 8 Core 3200 MHz		3,680
Intel Core i7-1255U		3,202
Intel Core i7-11800H @ 2.30GHz		3,047
AMD Ryzen 7 5800H		3,025
AMD Ryzen 5 5600H		2,914
Intel Core i5-1135G7 @ 2.40GHz		2,645
Intel Core i7-10750H @ 2.60GHz		2,631
AMD Ryzen 7 4800H		2,599
Intel Core i7-9750H @ 2.60GHz		2,406

Last 5 Baselines for Intel Core i7-1255U
Most recent listed first
Baseline	CPU Mark
BL2711141 - Jun 21 2025		13895
BL2710666 - Jun 21 2025		14032
BL2710432 - Jun 20 2025		10673
BL2710404 - Jun 20 2025		10289
BL2710249 - Jun 20 2025		10969

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

Popular comparisons for Intel Core i7-1255U
As of 22nd of June 2025 - Higher results represent better performance
Processor	Average CPU Mark
Intel Core i7-1255U		13,260
Intel Core i5-1335U vs Intel Core i7-1255U		14,331 (+8.1%)
Intel Core i7-1355U vs Intel Core i7-1255U		14,317 (+8.0%)
Intel Core i7-1265U vs Intel Core i7-1255U		13,417 (+1.2%)
Intel Core i7-1250U vs Intel Core i7-1255U		11,382 (-14.2%)
Intel Core i7-1250U vs Intel Core i7-1255U		11,382 (-14.2%)
Intel Core i7-1365U vs Intel Core i7-1255U		14,174 (+6.9%)
Intel Core i5-1235U vs Intel Core i7-1255U		12,963 (-2.2%)
Intel Core i5-1334U vs Intel Core i7-1255U		13,466 (+1.6%)
Intel Core Ultra 7 155U vs Intel Core i7-1255U		16,448 (+24.0%)
Apple M2 8 Core 3500 MHz vs Intel Core i7-1255U		15,654 (+18.0%)
Intel Core i3-1220P vs Intel Core i7-1255U		14,582 (+10.0%)
Intel Core i5-1245U vs Intel Core i7-1255U		13,205 (-0.4%)

Is the Intel Core i7-1255U Good for Gaming?
As of 22nd of June 2025 - Higher results represent better performance
Processor	Relative Gaming Score
AMD Ryzen 9 9955HX3D		9,809
Intel Core Ultra 9 275HX		8,913
Intel Core Ultra 7 265		8,093
Intel Core Ultra 7 255HX		7,976
Intel Core Ultra 7 265H		7,780
Intel Core i9-14900HX		7,054
AMD Ryzen AI Max 390		7,027
Intel Core 7 250H		6,905
AMD Ryzen AI Max Pro 390		6,850
Intel Core i9-13900HX		6,782
Intel Core i9-13980HX		6,766
Intel Core i9-13950HX		6,763
Intel Core i7-1255U		2,771

CPU Benchmarks

CPU Benchmarks

Intel Core i7-1255U

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CPU Test Suite Average Results for Intel Core i7-1255U

CPU Mark Distribution for Intel Core i7-1255U

Pricing History

Machines with this CPU (or similar)