Intel Core i5 1235U vs. AMD Ryzen 5 7520U: Which is better?

Two prominent contenders in the laptop CPU arena are the Intel Core i5 1235U and the AMD Ryzen 5 7520U. If you’re in the market for a new laptop, you’ve probably come across terms like “CPU” and “processor.” These components are often the heart and soul of your computer’s performance.

Intel Core i5 1235U is a 12th Generation processor manufactured by Intel Corporation while the AMD Ryzen 5 was made in April 2017 by AMD . In this detailed comparison, we’ll explore their specifications, performance, and key differences to help you make an informed decision.

General Overview and Comparison

Before diving into the nitty-gritty details, let’s get a general understanding of these processors.

PerformanceCore i5 1235URyzen 5 7520U
Power Efficiency7583
Integrated Graphics (iGPU)4526

Naijagadgets Final Score (Generic CPU rating):

  • Core i5 1235U: 54
  • Ryzen 5 7520U: 41

These scores provide a snapshot of each CPU’s overall performance, but there’s much more to explore.

Key Differences

What sets these processors apart? Let’s dissect the advantages of each:

Advantages of Intel Core i5 1235U:

  • Supports up to 64 GB DDR5-4800 RAM, offering ample memory for multitasking.
  • Features an 8192 KB larger L3 cache size, which can enhance data retrieval.
  • Boasts 6 more physical cores, making it a powerhouse for demanding tasks.
  • Shines in single-core performance with a Geekbench v5 score of 1578 points (a notable 48% faster than Ryzen 5 7520U).
  • Offers the newer PCI Express version 4.0, promising faster data transfer speeds.
  • Slightly higher Turbo Boost frequency at 4.4 GHz for responsive performance.

Advantages of AMD Ryzen 5 7520U:

  • Utilizes a more modern manufacturing process at 6 nanometers, potentially improving energy efficiency.
  • Released 7 months later, suggesting potential refinements and optimizations.

These advantages cater to different user needs, whether you prioritize raw power or energy efficiency.


To truly assess these CPUs, we turn to benchmarks, which provide real-world performance insights:

Cinebench R23 (Single-Core):

  • Core i5 1235U scores 1645, outperforming Ryzen 5 7520U at 1176.

Cinebench R23 (Multi-Core):

  • Core i5 1235U excels again with a score of 6640, surpassing Ryzen 5 7520U’s 5153.

Passmark CPU (Single-Core):

  • Core i5 1235U scores 3326, while Ryzen 5 7520U’s score is not available (n/a).

Passmark CPU (Multi-Core):

  • Core i5 1235U achieves a robust 13776 score, with Ryzen 5 7520U’s score also marked as n/a.

Geekbench 5 (Single-Core):

  • Core i5 1235U performs impressively, scoring 1583, compared to Ryzen 5 7520U’s 1069.

Geekbench 5 (Multi-Core):

  • Core i5 1235U shines again with a score of 6306, while Ryzen 5 7520U scores 3826.

These benchmark results provide valuable insights into how these CPUs handle various tasks, from single-threaded applications to multi-core processing.


Let’s delve into the technical specifications of these CPUs:

GeneralIntel Core i5 1235UAMD Ryzen 5 7520U
ReleasedFebruary 23, 2022September 22, 2022
Instruction Setx86-64x86-64
CodenameAlder LakeZen 2 (Mendocino)
Model numberi5-1235UNot specified
Integrated GPUIris Xe Graphics (80EU)Radeon 610M

These specifications detail the fundamental characteristics of these processors.


CPUIntel Core i5 1235UAMD Ryzen 5 7520U
Performance Cores (P-Cores)24
Performance Threads (P-Threads)48
Base Frequency (P)1.3 GHz2.8 GHz
Turbo Boost Frequency (P)4.4 GHz4.3 GHz
Intel Core i5 1235UAMD Ryzen 5 7520U
Total Cores104
Total Threads128
Bus Frequency100 MHz100 MHz
L1 Cache (per core)80K (Core i5 1235U)64K (Ryzen 5 7520U)
L2 Cache (per core)1280K (Core i5 1235U)512K (Ryzen 5 7520U)
L3 Cache (shared)12MB (Core i5 1235U)4MB (Ryzen 5 7520U)
Unlocked MultiplierNo (Both)No (Both)


PackageIntel Core i5 1235UAMD Ryzen 5 7520U
Fabrication Process10 nm6 nm
TDP (PL1)12-15 W (configurable)15 W
Max. Boost TDP (PL2)55 WNot specified


  • Core i5 1235U: 1.41 TFLOPS
  • Ryzen 5 7520U: 0.49 TFLOPS

Memory Support:

  • Core i5 1235U supports DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267.
  • Ryzen 5 7520U supports LPDDR5-5500.

These specifications provide a comprehensive overview of what each CPU brings to the table.

FAQs (Frequently Asked Questions)

1. Which CPU is better for gaming, the Intel Core i5 1235U or the AMD Ryzen 5 7520U?

Both CPUs offer decent integrated graphics, but the Intel Core i5 1235U has the upper hand with a higher iGPU capability (45 vs. 26). It may provide a better gaming experience.

2. Is the AMD Ryzen 5 7520U’s modern manufacturing process a significant advantage?

The 6nm process of the Ryzen 5 7520U could potentially lead to improved energy efficiency and thermal performance, which is beneficial for laptops.

3. Can I upgrade my laptop’s CPU from either of these options?

In most laptops, the CPU is soldered to the motherboard and cannot be upgraded. It’s crucial to choose the right CPU when purchasing a laptop.

In conclusion, the choice between the Intel Core i5 1235U and the AMD Ryzen 5 7520U largely depends on your specific needs. The Intel CPU excels in raw power and single-core performance, while the AMD CPU offers a modern manufacturing process and energy efficiency. Consider your priorities and the intended use of your laptop when making your decision.

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