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: 30.77

Overall Rank:
1315th fastest in multithreading out of 5495 CPUs
641st fastest in single threading out of 5495 CPUs
302nd fastest in out of 1516 Laptop CPUs

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

Average CPU Mark rating

Multithread Rating

13107

Single Thread Rating

3182

Samples: 3192*
*Margin for error: Low

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

Integer Math	48,204 MOps/Sec
Floating Point Math	32,500 MOps/Sec
Find Prime Numbers	39 Million Primes/Sec
Random String Sorting	16,842 Thousand Strings/Sec
Data Encryption	9,194 MBytes/Sec
Data Compression	146,295 KBytes/Sec
Physics	771 Frames/Sec
Extended Instructions	8,172 Million Matrices/Sec
Single Thread	3,182 MOps/Sec

From submitted results to PerformanceTest V10 as of 16th of December 2025.

CPU Mark Distribution for Intel Core i7-1255U

Submitted Baseline Distribution Graph as of 15th of December 2025

From submitted results since PerformanceTest V10 as of 15th of December 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)

	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	$652.00 (www.amazon.com)
	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	$1029.00 (www.amazon.com)
	HP 15.6" FHD Touchscreen Business Laptop, Intel i7-1255U, 32GB RAM, 1TB PCIe SSD, Intel Iris Xe Graphics, Num Pad, Webcam, Windows 11 Pro, Natural Silver, 32GB Hotface USB Card	$714.99 (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	$599.99 (www.amazon.com)
	HP 17 Laptop, 17.3" HD+ Touchscreen, Intel Core i7-1255U Processor, 32GB RAM, 1TB SSD, Webcam, HDMI, Backlit Keyboard, Wi-Fi, Windows 11 Home, Silver	$799.00 (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 17th of December 2025 - Higher results represent better performance
Processor	Average CPU Mark
Intel Core i7-12700H		25,333
Apple M1 Max 10 Core 3200 MHz		22,148
AMD Ryzen 7 5800H		20,676
Intel Core i7-11800H @ 2.30GHz		19,825
AMD Ryzen 7 4800H		18,077
AMD Ryzen 5 5600H		16,512
Apple M2 8 Core 3500 MHz		15,653
Apple M1 8 Core 3200 MHz		14,142
Intel Core i7-1255U		13,107
Intel Core i7-9750H @ 2.60GHz		10,609
Intel Core i5-1135G7 @ 2.40GHz		9,406

CPU Value (CPU Mark / $Price )
As of 17th of December 2025 - Higher results represent better value
Processor	CPU Mark / $Price
Intel Core i7-12700H		55.43
Intel Core i7-11800H @ 2.30GHz		50.19
Intel Core i7-1255U		30.77
Intel Core i5-1135G7 @ 2.40GHz		30.44
Intel Core i7-9750H @ 2.60GHz		11.05
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 5 5600H		NA
AMD Ryzen 7 4800H		NA

Single Thread Rating
As of 17th of December 2025 - Higher results represent better performance
Processor	Average Thread Rating
Apple M2 8 Core 3500 MHz		3,889
Apple M1 Max 10 Core 3200 MHz		3,833
Apple M1 8 Core 3200 MHz		3,677
Intel Core i7-12700H		3,511
Intel Core i7-1255U		3,182
Intel Core i7-11800H @ 2.30GHz		3,029
AMD Ryzen 7 5800H		3,010
AMD Ryzen 5 5600H		2,891
Intel Core i5-1135G7 @ 2.40GHz		2,619
AMD Ryzen 7 4800H		2,590
Intel Core i7-9750H @ 2.60GHz		2,394

Last 5 Baselines for Intel Core i7-1255U
Most recent listed first
Baseline	CPU Mark
BL3137975 - Dec 16 2025		15322
BL3136554 - Dec 15 2025		14321
BL3135911 - Dec 15 2025		12750
BL3135613 - Dec 15 2025		17108
BL3134430 - Dec 14 2025		8186

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

Popular comparisons for Intel Core i7-1255U
As of 17th of December 2025 - Higher results represent better performance
Processor	Average CPU Mark
Intel Core i7-1255U		13,107
Intel Core i7-1265U vs Intel Core i7-1255U		13,238 (+1.0%)
Intel Core i7-1355U vs Intel Core i7-1255U		14,109 (+7.6%)
Intel Core i5-1335U vs Intel Core i7-1255U		14,059 (+7.3%)
Intel Core i7-1250U vs Intel Core i7-1255U		11,273 (-14.0%)
Intel Core i7-1250U vs Intel Core i7-1255U		11,273 (-14.0%)
Intel Core Ultra 7 155U vs Intel Core i7-1255U		16,211 (+23.7%)
Intel Core i7-1365U vs Intel Core i7-1255U		13,893 (+6.0%)
Intel Core i5-1235U vs Intel Core i7-1255U		12,721 (-2.9%)
Intel Core i5-1334U vs Intel Core i7-1255U		13,303 (+1.5%)
Apple M2 8 Core 3500 MHz vs Intel Core i7-1255U		15,653 (+19.4%)
Intel Core i3-1220P vs Intel Core i7-1255U		14,496 (+10.6%)
Intel Core i5-1345U vs Intel Core i7-1255U		14,230 (+8.6%)

Is the Intel Core i7-1255U Good for Gaming?
As of 17th of December 2025 - Higher results represent better performance
Processor	Relative Gaming Score
AMD Ryzen 9 9955HX3D		9,699
Intel Core Ultra 9 285HX		9,623
Intel Core Ultra 5 235HX		9,113
Intel Core Ultra 9 275HX		9,043
Intel Core Ultra 7 255HX		7,985
Intel Core Ultra 7 265HX		7,864
Intel Core Ultra 7 265H		7,784
AMD Ryzen 9 9850HX		7,301
Intel Core i9-14900HX		6,948
AMD Ryzen AI Max Pro 390		6,780
AMD Ryzen AI Max 390		6,719
Intel Core i9-13980HX		6,708
Intel Core i7-1255U		2,715

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)