GuidesComparisonsCore i5-1335U Vs Core i5-1235U - We Have A Winner

Core i5-1335U Vs Core i5-1235U – We Have A Winner

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.

Expert Verified By

Intel Core i5-1335U

Rated: 7/10

Intel Core i5-1235U

Rated: 8/10


Pros And Cons

CPUProsCons
Intel Core i5-1335Uโœ… Better Overall Performance
โœ… Better Memory Support
โŒ Unimpressive Value
โŒ Core i5-1235U Refresh
Intel Core i5-1235Uโœ… Better Value
โœ… Similar Single-core Performance
โŒ Slower Multicore Performance
โŒ Worse Memory Support

Key Takeaways
  • Both CPUs use the same Intel’s 7nm processing nodes, although the Core i5-1335U uses a more efficient version of the node.
  • On average, we witnessed that 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 according to our experience since the performance gap isn’t as significant as the price gap.

Core i5-1335U Vs Core i5-1235U – Comparison Table

Mobile CPUCore i5-1335UCore i5-1235U
ArchitectureHybrid CoreHybrid Core
Instruction Setx86-64x86-64
SocketBGA-1744BGA-1744
No. of Cores10 (2P + 8E)10 (2P + 8E)
No. of Threads12 (4 + 8)12 (4 + 8)
L1 Cache80KB per core80KB per core
L2 Cache1280KB per core1280KB per core
L3 Cache12MB (shared)12MB (shared)
GPU Base Clock300MHz300MHz
GPU Boost Clock1250MHz1200MHz
CPU Base Power12-15W (configurable)12-15W (configurable)
CPU Boost Power55W55W
Price Range$699-$2028$289-$1199
Launch DateJanuary 3, 2023February 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. 

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.


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, we analyze that 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. 

Passmark

Passmark multi-core and single-core
Passmark (Image by Tech4Gamers)
  • Finally, in our Passmark test, 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.

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.

Core i5-1335U Vs Core i5-1235U – Which One We Recommend? 

Intel Core i5 1235U: In our search, we found a Core i5-1235U laptop available for as low as $289, marking a notable 124% reduction compared to the least expensive Core i5-1335U laptop. Despite the Core i5-1335U’s superior multi-core and single-core performance scores, the significant price difference outweighs this performance disparity.

Intel Core i5 1335U: In our assessment, we found that the Core i5-1335U is essentially a refresh of the Core i5-1235U with only minor differences. It achieved a notable improvement in multi-core performance. Overall, it represents a decent improvement for one generation; however, given the price difference, it’s simply not worth it.

We recommend the Intel Core i5 1235U as the Core i5-1235U offers a much better value than the Core i5-1335U. 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.


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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More From Core i5-1235U:

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