GuidesComparisonsCore i5-1335U Vs Core i5-1235U: Ultimate Comparison

Core i5-1335U Vs Core i5-1235U: Ultimate Comparison

In this article we will be taking a closer look at the performance, specs and architecture of the Core i5-1335U and Core i5-1235U to find out which one is better.

Intel’s 13th Gen Raptor Lake CPUs promised 41% better multi-threaded performance and a 15% improvement in single-threaded performance. Today, we will see if these figures hold any weight as we compare two Core i5 CPUs one generation apart, in Core i5-1335U vs Core i5-1235U.

Key Takeaways

  • Both CPUs use the same Intel 7 processing nodes, although the Core i5-1335U uses a more efficient version of the node.
  • On average, the Core i5-1335U is 20.3% faster in multi-core applications and 5.3% faster in single-core applications.
  • Cost-wise, Core i5-1335U laptops are in the $699-$2028 range while Core i5-1235U lie in the $289-$1189 range. 
  • The Core i5-1235U provides better value since the performance gap isn’t as significant as the price gap.

Also Read: Core i5 1235U Vs Ryzen 5 7530U

Comparison Table 

Let’s see how the two mobile CPUs line up.

Mobile CPU Core i5-1335U Core i5-1235U
Architecture Hybrid Core Hybrid Core
Codename Alder Lake Alder Lake
Instruction Set x86-64 x86-64
Processing Node Intel 7 (10nm) Intel 7 (10nm)
Socket BGA-1744 BGA-1744
No. of Cores 10 (2P + 8E) 10 (2P + 8E)
No. of Threads 12 (4 + 8) 12 (4 + 8)
Base Clock
  • 1.3GHz (P-cores)
  • 0.9GHz (E-cores)
  • 3.5GHz (P-cores)
  • 2.4GHz (E-cores)
Boost Clock
  • 4.6GHz (P-cores)
  • 3.4GHz (E-cores)
  • 4.4GHz (P-cores)
  • 3.3GHz (E-cores)
L1 Cache 80KB per core 80KB per core
L2 Cache 1280KB per core 1280KB per core
L3 Cache 12MB (shared) 12MB (shared)
Memory Support
  • DDR5 up to 5200 MT/s
  • LPDDR5 up to 6400 MT/s
  • LPDDR5x up to 6400 MT/s
  • DDR4 up to 3200 MT/s
  • LPDDR4x up to 4267 MT/s
  • LPDDR5 up to 6400 MT/s
  • DDR5 up to 4800 MT/s
  • DDR4 up to 3200 MT/s
  • LPDDR4x up to 4267 MT/s
Memory Size Up to 64GB Up to 64GB
PCIe Revision 4.0 4.0 
Overclocking Support No No
Integrated Graphics Intel Iris Xe Graphics  Intel Iris Xe Graphics
GPU Base Clock 300MHz 300MHz
GPU Boost Clock 1250MHz 1200MHz
No. of Shaders 640 640
No. of TMUs 40 40
No. of ROPs 20 20
No. of Execution Units  80 80
iGPU Theoretical 
1.41 TFLOPs 1.41 TFLOPs
Total Graphics Power 15W 15W
CPU Max Operating Temperature  100°C  100°C
CPU Base Power 12-15W (configurable) 12-15W (configurable)
CPU Boost Power 55W 55W
Price Range (July 2023) $699-$2028 $289-$1199
Launch Date January 3, 2023 February 23, 2022

Architectural Differences

Here’s a look at the few minor differences between the two chips.

  1. Processing Nodes: Although both CPUs use the same nodes, Intel has emphasized improved efficiency in Raptor Lake.
  2. Clock SpeedsThe Core i5-1335U boasts slightly higher boost clock speeds at 4.6GHz for the P-cores and 3.4GHz for the E-cores. In comparison, the Core i5-1235U clocks 4.4GHz for the E-cores and 3.3GHz for the E-cores on boost mode.
  3. Memory Support: The Core i5-1335U, with its Raptor Lake platform, supports an improved DDR5 transfer speed of up to 6400 MT/s. LPDDR5x support is also added, which the Alder Lake Core i5-1235U does not support.
  4. iGPU: Another insignificant difference, but the Core i5-1335U adds 50MHz to the GPU boost clock frequency at 1250MHz. 

Related: Core i5-1335U Vs Core i5-1135G7

Core i5-1335U Vs Core i5-1235U: Benchmarks

Here’s how the two CPUs compare in multi-core and single-core performance.

Cinebench R23

Cinebench R23 multi-core and single-core
Cinebench R23 (Image by Tech4Gamers)
  • Starting with the Cinebench R23 multi-core test, the Core i5-1335U scores 7348 points compared to 6547 of the Core i5-1235U. Thus, it’s 12.2% ahead.
  • In the single-core test, the Core i5-1335U leads narrowly with 1712 points, over 1630 of the Core i5-1235U. 

Geekbench 5

Geekbench 5 multi-core and single-core
Geekbench 5 (Image by Tech4Gamers)
  • Moving on to Geekbench 5, the Core i5-1335U has a 19.8% lead here with 7484 points. The Core i5-1235U scored 6343 points.
  • As for the single-core test, the Core i5-1335U continues its lead with 1693 points, just ahead of the Core i5-1235U. 

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


Passmark multi-core and single-core
Passmark (Image by Tech4Gamers)
  • Finally, in Passmark, the Core i5-1335U maintained impressive multi-core performance with 16895 points. The Core i5-1235U fell short with 13567 points.
  • The single-core test saw the Core i5-1335U scoring 3451 points compared to 3299 of the Core i5-1235U. Here, the Core i5-1335U has a 4.6% lead.

More Comparisons: Core i7-1255U Vs Core i5-1335U

Overall Performance

I’ve averaged the multi-core and single-core scores across the three games for a more definitive result. Let’s take a look. 

Average multi-core and single-core scores
Overall performance (Image by Tech4Gamers)
  • Multi-core Performance: The Core i5-1335U averaged 10575 points, while the Core i5-1235U recorded 8785 points on average. This means the Core i5-1335U is, on average, 20.3% faster than the Core i5-1235U in multi-core applications.
  • Single-core Performance: Across the single-core tests, the Core i5-1335U averaged 2285 points over 2168 points of the Core i5-1235U. Thus, on average, the Core i5-1335U shows 5.3% better single-core performance than the Core i5-1235U.

Also Check: Core i5 1335U Vs Ryzen 5 7640U

Laptop Prices

Let’s take a look at the laptop prices for both CPUs. 

Note: The prices have been taken from Amazon US and are valid as of September 2023. 

  • Core i5-1335U: Laptops using this mobile CPU start at $649, with the best-selling laptops lying in the $699-$1099 range. The most expensive laptops can cost you up to $2028
  • Core i5-1235U: Laptops using this Alder Lake chip start at just $289. The most popular laptops range from $479 to $799. Lastly, the most expensive laptop costs $1199

Core i5-1235U Vs Core i5-1335U: Which One Offers Better Value? 

How do the two CPUs compare in performance per dollar?

  • You can get a Core i5-1235U laptop for as cheap as $289, which is about 124% cheaper than what the cheapest Core i5-1335U laptop will cost you.
  • Granted, the Core i5-1335U showed better multi-core and single-core scores, but this massive price gap negates that performance gap.

As I mentioned, the Core i5-1335U is just a refresh of the Core i5-1235U with very minor differences. It still managed a significant improvement in multi-core performance, albeit the single-core performance difference is much smaller. All-in-all, it’s a decent improvement for one generation, but again, it’s just not worth it at that price difference.

Thus, the Core i5-1235U offers a much better value than the Core i5-1335U

Similar Comparison: Intel Core i5-1235U Vs AMD Ryzen 5 7520U


I found that the Core i5-1335U is essentially a refresh of the Core-i5-1235U with minor differences and perhaps an improved Intel 7 node.

As such, there isn’t a very big performance gap, especially in single-core performance. On top of that, Core i5-1235U laptops have been much cheaper since Raptor Lake’s launch. Thus, the Core i5-1235U generally provides much better value. 

The only noticeable advantage of the Core i5-1335U is improved DDR5 speeds and added LPDDR5x support. In any case, I hope this guide has helped you choose your next mobile CPU.

Related: Intel Core i5-1235U Vs AMD Ryzen 5 7520U

Pros And Cons

CPU Pros Cons
Core i5-1335U
  • Better multi-core and 
    single-core performance
  • Better memory support 
  • Unimpressive value
  • Essentially just a refresh
    of Core i5-1235U
Core i5-1235U
  • Better value
  • Single-core performance
    not far behind the i5-1335U
  • About 20% slower multi-core 

Frequently Asked Questions

Is the Core i5-1335U worth it over Core i5-1235U?

The Core i5-1335U has mostly the same specifications over the Core i5-1235U other than an improved processing node. It’s also much more expensive, making it a relatively poor choice.

What are the key specification differences between Core i5-1335U and Core i5-1235U?

The Core i5-1335U provides a 200MHz improvement in P-core boost frequency and a 100MHz improvement in E-core boost frequency. On top of that, DDR5 support is extended to 6400 MT/s, and additional LPDDR5x support has also been added.

Is the Core i5-1335U more power efficient than the Core i5-1235U?

Both CPUs have the same 12-15 watts base TDP rating and 55-watt boost TDP rating. So, the two mobile CPUs have no difference in power efficiency.

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Abde Manaf
Abde Manaf
Abdemanaf has been a creative writer since 2011. He first dwelled in the tech world in early 2015 and has since compared many product offerings by different companies. Abdemanaf started working for Tech4Gamers in February 2022 as a blog and comparison writer.


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