CPU Comparison

Intel Core i5-1240P vs Core i5-1335U

A side-by-side comparison of specs, performance and value. The Intel Core i5-1240P is a 12-core mobile processor from the 12th Generation Alder Lake-P lineup, launched in February 2022.

Top pick
Intel · Core i5
Intel Core i5-1240P
12C / 16T4.4 GHz28 W
8.7
Full review
Intel · Core i5
Core i5-1335U
10C / 12T4.6 GHz15 W
7.9
Full review

The Bottom Line

Overview & Launch

Brand
Intel
Intel
Market
Mobile
Mobile
Segment
Thin & Light Performance
Mobile
Generation
12th Gen
13th Gen
Launched
2022
2023
Status
Active
Active
Codename
Alder Lake-P
Raptor Lake-U
Series
Core i5
Core i5
Family
Alder Lake-P
Raptor Lake
Predecessor
Intel Core i5-1135G7
Intel Core i5-1235U
Successor
Intel Core i5-1340P
Intel Core Ultra 5 125U

Specifications Compared

Cores & Clocks
Cores
12
10
Threads
16
12
Base Clock
1.7 GHz
1.3 GHz
Boost Clock
4.4 GHz
4.6 GHz
Cache & Power
L3 Cache
12 MB
12 MB
TDP
28 W
15 W
Architecture
Architecture
Alder Lake-P
Raptor Lake-U
Process Node
10 nm
Intel 7 (10nm)
Memory
Memory Type
DDR4, DDR5, LPDDR4x, LPDDR5
DDR4, DDR5
Memory Speed
DDR4-3200, DDR5-4800, LPDDR4x-4267, LPDDR5-5200
DDR5-5200, DDR4-3200
Memory Channels
Dual (2)
Dual (2)
Max Memory
64 GB
96 GB
Platform & I/O
Socket
Intel BGA 1744
Intel BGA 1744
PCIe Version
PCIe 4.0
PCIe 4.0
PCIe Lanes
20
8
Integrated GPU
Yes
Yes
Unlocked
No
No

Performance Compared

Productivity

Intel Core i5-1240PBest89

12 cores ensure snappy performance in heavy multitasking and office applications.

Core i5-1335U78

Smooth performance for everyday office tasks and multitasking.

Gaming

Intel Core i5-1240PBest62

Iris Xe 80EU handles esports titles well but struggles with demanding AAA games.

Core i5-1335U60

Suitable only for e-sports and older games at reduced settings.

Virtualization

Intel Core i5-1240PBest75

Easily handles local development virtual machines.

Core i5-1335U55

Basic VM support, but constrained by core count and memory bandwidth.

Efficiency

Intel Core i5-1240P85

Excellent performance-per-watt, ensuring all-day battery life in ultrabooks.

Core i5-1335UBest94

Exceptional efficiency, ensuring long battery life for on-the-go use.

Specialized Performance

AI / ML

Intel Core i5-1240PModerate
  • Adequate for background blur and basic audio noise cancellation.
  • No dedicated AI silicon.
Core i5-1335ULimited
  • No dedicated AI hardware
  • Relies on CPU/GPU for AI tasks

Content Creation

Intel Core i5-1240PVery Good
Adobe PhotoshopLightroomPremiere Pro (1080p)Illustrator
Core i5-1335ULimited
PhotoshopLightroomVideo ConferencingCanva

Gaming

Intel Core i5-1240PModerate
  • Suitable for Minecraft, CS:GO, and League of Legends.
  • Not designed for high-end gaming without a discrete GPU.
  • Supports fast hardware video decoding.
Core i5-1335UFair
  • Integrated GPU limits gaming potential
  • Requires dual-channel RAM for best iGPU results
  • Not designed for AAA titles

Industry Impact

Gaming
Low
Low
Workstations
Low
Low
Content Creation
High
Moderate
Virtualization
Moderate
Moderate

Best CPU by Use Case

Office Productivity
Excellent
Software Development
Very Good
Photo Editing
Very Good
Good
Casual Gaming
Moderate
Fair
Office Applications
Excellent
Video Conferencing
Excellent
Light Coding
Good

Target Audience

Gamers
Content Creators
Targeted
Developers
Targeted
Targeted
Workstation Users
Streamers
Office / Productivity
Targeted
Targeted
Students
Targeted
Targeted

Strengths & Weaknesses

Intel Core i5-1240P

Pros

  • 12 cores and 16 threads in a 28W package
  • Excellent performance-per-watt
  • Supports DDR5 and LPDDR5 memory
  • Great for heavy multitasking
  • Good value compared to i7 variants

Cons

  • Not unlocked for overclocking
  • Soldered to the motherboard (BGA)
  • iGPU slightly slower than i5-1250P
  • Can run warm under sustained load
Core i5-1335U

Pros

  • Great power efficiency
  • Solid single-core performance
  • 10-core hybrid design
  • Iris Xe 80EU graphics
  • DDR5 support

Cons

  • Low base clock speed
  • Weak for heavy gaming
  • BGA soldered
  • Sustained performance limited by cooling
  • Not an enthusiast chip

Competitors & Alternatives

Intel Core i5-1240P

Core i5-1335U

  • AMD Ryzen 5 7530U

    Mobile

    Rival
  • AMD Ryzen 5 7640U

    Mobile

    Rival
  • Apple M2

    Mobile

    Rival
    Compare head-to-head
  • Intel Core i5-1345U

    Mobile

    Rival
  • Qualcomm Snapdragon 8cx Gen 3

    Mobile

    Rival
  • Intel Core i7-1355U
    Alt

    More EUs in the iGPU and higher clocks for better graphics.

  • AMD Ryzen 7 7735U
    Alt

    Stronger integrated Radeon graphics.

  • More P-cores for better sustained multi-threading at the cost of battery.

    Compare head-to-head
  • Incredible battery life and passively cooled designs.

    Compare head-to-head

Our Verdict on Each

A nearly identical alternative to the 1250P, offering exceptional 12-core performance in a 28W envelope with excellent value.

Best for: Purchasing a mid-range premium ultrabook for heavy productivity and light content creation.

Read the full review
Core i5-1335URecommended

A highly capable mobile chip for daily tasks and light workloads, offering great efficiency and adequate burst speed for typical user needs.

Best for: Purchasing a mainstream ultrabook for school or office use.

Read the full review

Frequently Asked Questions

Which is better, Intel Core i5-1240P or Core i5-1335U?

Based on our editorial ratings, the Intel Core i5-1240P comes out ahead with a score of 8.7/10. That said, the best choice depends on your workload — check the spec and performance breakdown above for gaming, productivity and efficiency differences.

Which is faster for gaming, Intel Core i5-1240P or Core i5-1335U?

For gaming, the Intel Core i5-1240P leads with a gaming performance score of 62/100 among Intel Core i5-1240P and Core i5-1335U.

Which uses less power?

The Core i5-1335U has the lowest rated TDP. Power draw across these chips: Intel Core i5-1240P (28 W), Core i5-1335U (15 W).

Do Intel Core i5-1240P and Core i5-1335U use the same socket?

Yes — all of these CPUs use the Intel BGA 1744 socket, so they share compatible motherboards.

Which has more cores?

The Intel Core i5-1240P has the most cores. Core counts: Intel Core i5-1240P (12 cores), Core i5-1335U (10 cores).

Which is faster in multi-core benchmarks?

The Core i5-1335U posts the highest multi-core benchmark score. Multi-core results: Core i5-1335U (9,300). Benchmark figures are approximate and workload-dependent.