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CPU Comparison

Core i5-1340P vs Core i7-1355U

A side-by-side comparison of specs, performance and value. The Intel Core i5-1340P is a 28W mobile processor designed for mainstream thin-and-light laptops. Part of the Raptor Lake-P family, it features a 12-core, 16-thread hybrid architecture with 4 Performance cores and 8 Efficient cores. With a max turbo of 4.6 GHz and 12MB of L3 cache, it delivers solid performance for everyday productivity, coding, and light content creation. The integrated Iris Xe Graphics with 80 Execution Units handles display outputs and casual gaming efficiently. Released in early 2023, the 1340P serves as a value-oriented option in the P-series lineup, offering a good balance of multi-threaded performance and battery life for students and professionals who need more power than a U-series but at a lower price point than the 1350P.

Intel · Core i5
Core i5-1340P
12C / 16T4.6 GHz28 W
8
Full review
Top pick
Intel · Core i7
Core i7-1355U
10C / 12T5 GHz15 W
8.6
Full review

The Bottom Line

Overview & Launch

Brand
Intel
Intel
Market
Mobile
Mobile
Segment
Mobile
Mobile
Generation
13th Gen
13th Gen
Launched
2023
2023
Status
Active
Active
Codename
Raptor Lake-P
Raptor Lake-U
Series
Core i5
Core i7
Family
Raptor Lake
13th Generation Raptor Lake
Predecessor
Intel Core i5-1240P
Intel Core i7-1255U
Successor
Intel Core Ultra 5 125U
Intel Core Ultra 7 155U

Specifications Compared

Cores & Clocks
Cores
12
10
Threads
16
12
Base Clock
1.9 GHz
1.7 GHz
Boost Clock
4.6 GHz
5 GHz
Cache & Power
L3 Cache
12 MB
12 MB
TDP
28 W
15 W
Architecture
Architecture
Raptor Lake-P
Raptor Lake-U
Process Node
10nm
10nm
Memory
Memory Type
DDR4, DDR5
DDR4, DDR5, LPDDR4x, LPDDR5
Memory Speed
DDR5-5200
DDR5-5200
Memory Channels
Dual (2)
Dual (2)
Max Memory
96 GB
0 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

Core i5-1340P82

Great for heavy Excel, large databases, and corporate software.

Core i7-1355UBest87

Flawless performance for office suites, heavy browsing, and video calls.

Gaming

Core i5-1340P58

Iris Xe can handle older or e-sports titles at low settings.

Core i7-1355UBest65

Handles esports titles and older games at 1080p medium settings reasonably well.

Virtualization

Core i5-1340PBest72

12 threads provide enough overhead for local Docker containers.

Core i7-1355U70

Can run lightweight VMs, but limited by 15W thermal envelope.

Efficiency

Core i5-1340P85

28W TDP offers a great balance of performance and battery life.

Core i7-1355UBest94

Excellent idle power consumption and efficient multi-core scaling.

Specialized Performance

AI / ML

Core i5-1340PLimited
  • No NPU; relies on CPU/GPU for AI tasks.
Core i7-1355ULimited
  • Uses CPU and integrated GPU for AI tasks
  • Supports OpenVINO for optimized inference
  • Suitable for background blur and noise cancellation

Content Creation

Core i5-1340PGood
PhotoshopLightroomLight Video Editing
Core i7-1355UGood
PhotoshopLightroomIllustrator1080p Video Editing

Gaming

Core i5-1340PFair
  • Not intended for AAA gaming without a discrete GPU.
  • Iris Xe 80EU is suitable for Minecraft or CS:GO at 1080p Low.
Core i7-1355UFair
  • Capable of 60fps in games like CS:GO and League of Legends
  • Struggles with modern AAA titles
  • Shares system memory, so DDR5 improves frame rates

Industry Impact

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

Best CPU by Use Case

Heavy Office Work
Very Good
Web Development
Very Good
Photo Editing
Good
Good
Business Productivity
Excellent
Web Browsing
Excellent
4K Video Streaming
Excellent
Code Compilation
Good

Target Audience

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

Strengths & Weaknesses

Core i5-1340P

Pros

  • Good balance of performance and battery life
  • 12 cores handle multitasking well
  • Iris Xe 80EU graphics are capable for an iGPU
  • Supports fast DDR5 and LPDDR5 memory

Cons

  • Only 12MB L3 cache
  • Lacks PCIe 5.0 support
  • Locked multiplier
  • Lower boost clock than 1350P
Core i7-1355U

Pros

  • Strong 5.0 GHz single-core burst
  • Excellent power efficiency
  • Iris Xe 96EU graphics
  • Modern DDR5 and PCIe 4.0 support
  • Great value for ultrabook performance

Cons

  • Not unlocked
  • Limited to 8 PCIe lanes from CPU
  • Soldered to motherboard
  • Throttles under sustained multi-core loads
  • Only 2 P-cores limits heavy multitasking

Competitors & Alternatives

Core i5-1340P

Core i7-1355U

  • AMD Ryzen 7 7730U

    Mobile

    Rival
  • AMD Ryzen 5 7530U

    Mobile

    Rival
  • Intel Core i7-1365U

    Mobile

    Rival
  • Apple M2

    Mobile

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

    Mobile

    Rival
  • Intel Core i5-1335U
    Alt

    A more affordable option with slightly lower clocks but similar architecture.

  • AMD Ryzen 7 7735U
    Alt

    Better raw multi-core performance and efficiency in the same TDP class.

  • Apple M1 Air
    Alt

    Offers unmatched fanless efficiency and battery life for basic productivity.

  • Newer Meteor Lake chip with better idle battery life and integrated AI.

    Compare head-to-head

Our Verdict on Each

Core i5-1340PRecommended

A solid 28W CPU that balances 12-core multitasking with portability, offering good value for mainstream thin-and-light laptops.

Best for: Mainstream ultrabooks for students and office workers.

Read the full review
Core i7-1355URecommended

An excellent mobile CPU that hits the sweet spot between price and performance for everyday ultrabook users.

Best for: Buying a mid-range premium ultrabook for school or office work

Read the full review

Frequently Asked Questions

Which is better, Core i5-1340P or Core i7-1355U?

Based on our editorial ratings, the Core i7-1355U comes out ahead with a score of 8.6/10. 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, Core i5-1340P or Core i7-1355U?

For gaming, the Core i7-1355U leads with a gaming performance score of 65/100 among Core i5-1340P and Core i7-1355U.

Which uses less power?

The Core i7-1355U has the lowest rated TDP. Power draw across these chips: Core i5-1340P (28 W), Core i7-1355U (15 W).

Do Core i5-1340P and Core i7-1355U 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 Core i5-1340P has the most cores. Core counts: Core i5-1340P (12 cores), Core i7-1355U (10 cores).

Which is faster in multi-core benchmarks?

The Core i5-1340P posts the highest multi-core benchmark score. Multi-core results: Core i5-1340P (13,000), Core i7-1355U (0). Benchmark figures are approximate and workload-dependent.