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.
- 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
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|
|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)|
|L1 Cache||80KB per core||80KB per core|
|L2 Cache||1280KB per core||1280KB per core|
|L3 Cache||18MB (shared)||12MB (shared)|
|Memory Size||Up to 64GB||Up to 64GB|
|No. of PCIe Lanes||20||20|
|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|
|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
- 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.
- Clock Speeds: The 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.
- 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.
- TDP: The 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.
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Performance: Core i7-1260P Vs Core i7-1255U
Next, here are the performance benchmarks for the two CPUs.
- 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.
- 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.
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- 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.
- 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.
- 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.
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.
- 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.
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?
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
Pros And Cons: Core i7-1260P vs Core i7-1255U
Frequently Asked Questions
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.
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.
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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Shehryar Khan, a seasoned PC hardware expert, brings over three years of extensive experience and a deep passion for the world of technology. With a love for building PCs and a genuine enthusiasm for exploring the latest advancements in components, his expertise shines through his work and dedication towards this field. Currently, Shehryar is rocking a custom loop setup for his built.
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