GuidesComparisonsCore i7-1260P Vs Intel Core i7-1255U: Performance Difference

Core i7-1260P Vs Intel Core i7-1255U: Performance Difference

In this article we will be comparing the Core i7-1260P and Core i7-1255U, on the basis of their performance, architecture, specifications, and pricing.

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Intel’s Hybrid Core architecture did wonders for them as their 12th Gen lineup provided comprehensive performance improvements over the 11th Gen CPUs. In this article, I’ll compare the Core i7-1260P vs Core i7-1255U. The former is rated “P” for power efficiency, while the latter is rated “U” for ultra-power efficiency, and I’ll focus on finding the better one for you.

Key Takeaways

  • To start, the Core i7-1260P performed 26.3% better in multi-core applications and was 5.2% faster in single-core applications.
  • The Core i7-1260P proved 8.8% more power-consuming under load than the Core i7-1255U.
  • Price-wise, the Core i7-1260P laptops range from $681-$4909, while the Core i7-1255U laptops cost between $489 and $4629. Overall, the Core i7-1255U has more value than the Core i7-1260P.

Also Read: Core i7-1255U Vs Core i5-1335U

Comparison Table

Let’s compare the specifications of the two CPUs to trace the similarities and differences.

Mobile CPU Core i7-1260P Core i7-1255U
Architecture Hybrid Core Hybrid Core
Codename Alder Lake-P Alder Lake-U
Instruction Set x86-64 x86-64
Processing Node Intel 7 (10nm ESF) Intel 7 (10nm ESF)
No. of Cores 12 (4P + 8E) 10 (2P + 8E)
No. of Threads 16 (8 + 8) 12 (4 + 8)
Base Clock
  • 2.1GHz (P-cores)
  • 1.5GHz (E-cores)
  • 1.7GHz (P-cores)
  • 1.2GHz (E-cores)
Boost Clock
  • 4.7GHz (P-cores)
  • 3.4GHz (E-cores)
  •  4.7GHz (P-cores)
  • 3.5GHz (E-cores)
L1 Cache 80KB per core 80KB per core
L2 Cache 1280KB per core 1280KB per core
L3 Cache 18MB (shared) 12MB (shared)
Memory Support
  •  DDR5 up to 4800 MT/s
  • DDR4 up to 3200 MT/s
  •   LPDDR5 up to 5200 MT/s
  •    LPDDR4x up to 4267 MT/s
  •  DDR5 up to 4800 MT/s
  • DDR4 up to 3200 MT/s
  •   LPDDR5 up to 5200 MT/s
  •    LPDDR4x up to 4267 MT/s
Memory Size Up to 64GB Up to 64GB
PCIe Revision 4.0 4.0 
No. of PCIe Lanes 20 20
Overclocking Support No No
Integrated Graphics Intel Iris Xe G7 Graphics  Intel Iris Xe G7 Graphics
GPU Base Clock 300MHz 300MHz
GPU Boost Clock 1400MHz 1250MHz
No. of Shaders 768 768
No. of TMUs 48 48
No. of ROPs 24 24
No. of Execution Units  96 96
iGPU Theoretical 
1.69 TFLOPs 1.69 TFLOPs
Total Graphics Power 15W 15W
CPU Max Operating Temperature  100°C  100°C
CPU Base Power 20-28W (configurable) 12-15W (configurable)
CPU Boost Power 64W 55W
Price Range (July 2023) $681-$4909 $489 to $4629
Launch Date February 23, 2022 February 23, 2022

Also Learn: PC Chipsets Explained

Architectural Differences

  1. Core/Thread Counts: Starting off, the Core i7-1260P has 12 cores with 4 P-cores and 8 E-cores. The Core i7-1255U halves the number of P-cores, totaling 10 cores. As for the thread counts, the Core i7-1260P has 16 while the Core i7-1255U has 12.
  2. Clock SpeedsThe Core i7-1260P boasts higher base frequencies, with 2.1GHz for the P-cores and 1.5GHz for the E-cores. In contrast, the Core i7-1255U clocks 1.7GHz on the P-cores and 1.2GHz on the E-cores. As for boost frequencies, the Core i7-1255U adds an extra 100MHz to the E-core frequency, equaling 3.5GHz.
  3. Cache: Although both CPUs have the same L1 and L2 cache per core capacities, the Core i7-1260P has more overall cache (1.1MB L1, 10MB L2). This is because it has two extra cores. As for the L3 cache, the Core i7-1260P has an 18MB pool compared to the 12MB of the Core i7-1255U.
  4. TDPThe Core i7-1255U is more power-efficient, as evident by the U suffix. It has a configurable base TDP of 12-15 watts compared to 20-28 watts of the Core i7-1260P. Additionally, it can draw up to 55 watts on boost frequencies, while the Core i7-1260P can draw as much as 64 watts.

Similar Article: Core i7-12700H Vs Core i7-1255U

Performance: Core i7-1260P Vs Core i7-1255U

Next, here are the performance benchmarks for the two CPUs.

Cinebench R23

Cinebench R23 multi-core and single-core
Cinebench R23 (Image by Tech4Gamers)
  • The Core i7-1260P started proceedings with a win in the Cinebench R23 test. It scored 9746 points compared to 8342 scored by the Core i7-1255U.
  • In the single-core test, the Core i7-1260P scored 1745 points, 4.8% ahead of the Intel Core i7-1255U.

Geekbench 5

Geekbench 5 multi-core and single-core 
Geekbench 5 (Image by Tech4Gamers)
  • The next test is Geekbench 5, in which the Core i7-1260P accumulated 9214 multi-core points. In response, the Core i7-1255U scored 7402 points.
  • Moving on to the single-core scores, the Core i7-1255U has another narrow win with 1779 points over 1655 points of its rival.

Also Read: HP Envy vs Pavilion

Geekbench 6

Geekbench 6 multi-core and single-core 
Geekbench 6 (Image by Tech4Gamers)
  • In Geekbench 6, the Core i7-1260P continues its dominance with 9648 points in the multi-core test. The Intel Core i7-1255U only managed 6662 points, trailing by 44.8%.
  • As for the single-core benchmark, the Core i7-1260P recorded 2271 points compared to 1993 of the Core i5-1255U. 


Passmark multi-core and single-core 
Passmark (Image by Tech4Gamers)
  • The next test is Passmark, in which the Core i7-1260P notched up 17282 multi-core points. In comparison, the Core i7-1255U scored 13905 points, 24.2% behind.
  • Here, the Core i7-1255U took the lead with 3382 single-core points, leading by nearly 1%.

Another Comparison: Core i7-1255U Vs Core i7-1165G7

Summing Up The Multi-Core And Single-Core Performance

Let’s look at the average multi-core and single-core scores across the four tests.

Average multi-core and single-core scores
Overall multi-core and single-core performance (Image by Tech4Gamers) 
  • Multi-core Performance: The Intel Core i7-1260P averaged 11472 points compared to 9077 points across the four tests. Thus, on average, the Core i7-1260P is 26.3% faster in multi-core applications. 
  • Single-core Performance: In the single-core tests, the Core i7-1260P averaged 2286 points whereas the Core i7-1255U averaged 2173 points. This makes the Core i7-1260P roughly 5.2% faster than the Core i7-1255U in single-core applications.

Learn: How To Benchmark Your Gaming PC/Laptop

Average Power Consumption

Here’s a look at the average power consumption figures at idle and under load. 

Reminder: Regarding base TDP, the Core i7-1260P is rated at 20-28 watts, while the Core i7-1255U is rated at 12-15W. As for boost power draw, the Core i7-1260P is rated 64 watts over 55 watts of the Core i7-1255U.

Power consumption, stress and idle 
Average power consumption (Image by Tech4Gamers) 
  • Idle power consumption: On average, the Core i7-1260P consumed 7 watts while the Intel Core i5-1255U used 6.2 watts.
  • Load power consumption: During the Cinebench R15 multi-core stress test, the Core i7-1260P averaged 60.5 watts while the averaged 55.6 watts. So, the Core i7-1255U is approximately 8.8% more power-efficient under loads.
  • The Intel Core i7-1255U used 0.6 watts more than it was rated for, while the Core i7-1260P remained under its boost TDP rating.

Read: How To Lower CPU Temperature

Laptop Prices 

Next, we’ll go over the laptop prices for the two CPUs.

  • Core i7-1260P: Firstly, you can land a Core i7-1260P laptop for as little as $681. If you’re looking for top-selling laptops, your range should be between $824 and $1899. Lastly, if you’re looking for the most premium options, expect to pay up to $4909.
  • Core i7-1255U: As for the Core i7-1255U, entry-level laptops start at $489, while the best-sellers are in the $619-$1100 bracket. The most expensive Intel Core i7-1255U laptops can cost a maximum of $4909.

Better Value: Core i7-1255U Vs Core i7-1260P

We can now determine the better value CPU. The Core i7-1260P performed 26.3% faster in multi-core tests and 5.2% in single-core tests. Regarding the price difference, entry-level Core i7-1260P laptops cost 39.2% more than Core i7-1255U laptops. On top of this price difference, the Intel Core i7-1260P consumed 8.8% more power under stress. 

As the price difference is bigger than the performance difference, and the Core i7-1260P also consumes more power, we conclude that the Core i7-1255U is the better CPU regarding value.

Also Check: How Much Is My PC Worth?

Final Thoughts 

You have reached the end of this Core i7-1260P vs Core i7-1255U comparison. After thoroughly comparing the two CPUs, I’ve found that the Core i7-1260P is better performance-wise. However, the Core i7-1255U unarguably provides better value than the Core i7-1255U. 

The Core i7-1260P has two extra P-cores and better clock speeds, giving it better multi-core performance. However, there is little difference between the two CPUs in terms of single-core performance. In the end, the Intel Core i7-1260P costs too much in comparison, making it the unideal choice in this comparison.

I hope this guide has been helpful. Similarly, if you’re looking to build a PC, check out this guide.

Pros And Cons 

CPU Pros Cons
Core i7-1260P 
  • Better overall performance
  • More P-cores
  • More L3 cache
  • Mediocre value
  • More power-consuming
Core i7-1255U
  • Better value
  • Relatively
    impressive power efficiency
  • Lags behind in performance

Pros And Cons: Core i7-1260P vs Core i7-1255U

Frequently Asked Questions

What is the difference in core counts between the Core i7-1260P and Core i7-1255U?

The Core i7-1260P has 12 cores in total, with 4 P-cores and 8 E-cores. On the other hand, the Core i7-1255U has half the number of P-cores, totaling 10 cores overall.

Does the Core i7-1260P have a faster iGPU than the Core i7-1255U?

Both CPUs have the same Intel Iris Xe G7 integrated graphics, but the Core i7-1260P has a faster boost clock frequency at 1400MHz — 150MHz more than the Core i7-1255U.

Is the Core i7-1255U more power-efficient than the Core i7-1260P?

The Core i7-1260P has a higher base and boost TDP rating than the Core i7-1255U. This TDP difference was on show during the Cinebench R15 stress test, where the Core i7-1260P consumed 8.8% more power.

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