Intel BX80677I77700K 7th Gen Pentium Desktop Processor vs Intel® Core™ Ultra 5 Desktop Processor 235 14
Updated August 2026 — Intel BX80677I77700K 7th Gen Pentium Desktop Processor wins on compatibility, Intel® Core™ Ultra 5 Desktop Processor 235 14 wins on cache and cores.
The Intel® Core™ Ultra 5 Desktop Processor 235 offers significantly better performance for demanding tasks compared to the Intel BX80677I77700K.
Why Intel BX80677I77700K 7th Gen Pentium Desktop Processor is better
Price
BX80677I77700K is cheaper at $186.69
Basic Tasks
BX80677I77700K is sufficient for basic computing
Compatibility
BX80677I77700K works with older chipsets
Why Intel® Core™ Ultra 5 Desktop Processor 235 14 is better
Performance
Ultra 5 has 14 cores for better multitasking
Clock Speed
Ultra 5 can reach up to 5.0 GHz
Cache Size
Ultra 5 has a larger 26 MB cache
Overall score
Specifications
| Spec | Intel BX80677I77700K 7th Gen Pentium Desktop Processor | Intel® Core™ Ultra 5 Desktop Processor 235 14 |
|---|---|---|
| Cores | 4 Cores / 8 Threads | 14 Cores (6 P-cores + 8 E-cores) |
| Max Clock | 4.50 GHz | 5.0 GHz |
| Cache Size | 8 MB | 26 MB |
| Integrated Graphics | Intel UHD Graphics 630 | Intel Graphics |
| Power Rating | N/A | 65W |
Dimension comparison
Overview of the Processors
The Intel BX80677I77700K 7th Gen Pentium Desktop Processor is priced at $186.69, while the Intel® Core™ Ultra 5 Desktop Processor 235 costs $266.21. The Ultra 5 is about 43% more expensive than the BX80677I77700K. Both processors are developed by Intel and target different segments of the computing market, with varying capabilities and intended uses.
Core Architecture
The BX80677I77700K features 4 cores and 8 threads, which is ideal for moderately demanding tasks. In contrast, the Ultra 5 boasts an impressive 14 cores (6 performance cores and 8 efficiency cores), providing a significant advantage for multi-threaded applications and heavy workloads. The architectural difference highlights that the Ultra 5 is designed for users who require higher performance and multitasking capabilities, making it more suitable for gaming and productivity tasks.
Clock Speed and Performance
The BX80677I77700K operates at a base frequency of 4.20 GHz, with a maximum turbo frequency reaching 4.50 GHz. On the other hand, the Ultra 5 can achieve speeds up to 5.0 GHz. This difference in clock speed indicates that the Ultra 5 may deliver superior performance, especially in tasks that require rapid processing. Users looking for maximum performance in their applications and gaming will likely favor the Ultra 5 for its higher clock speeds.
Cache Size
Cache size plays a crucial role in processor performance, and here the Ultra 5 again takes the lead with a 26 MB cache compared to the BX80677I77700K's 8 MB cache. A larger cache allows for quicker data retrieval, which is beneficial for applications that frequently access the same data. This means the Ultra 5 can potentially handle more complex tasks and larger applications more efficiently due to its enhanced cache memory.
Graphics Capability
Both processors come with integrated graphics; the BX80677I77700K includes Intel UHD Graphics 630, while the Ultra 5 has integrated Intel Graphics as well. However, the Ultra 5’s architecture is designed to better support modern gaming and high-performance applications. This can be particularly important for users who do not plan to use a dedicated graphics card but still want solid graphics performance for gaming or creative work.
Compatibility and System Requirements
The BX80677I77700K is compatible with Intel 100 or 200 Series Chipsets, while the Ultra 5 requires motherboards based on the Intel 800 Series Chipset. This distinction is important for potential buyers as it affects upgrade paths and motherboard choices. The Ultra 5's requirement for newer chipsets may suggest a more future-proof option, appealing to tech enthusiasts who want to stay up-to-date with the latest technology.
Power Consumption
In terms of power efficiency, the BX80677I77700K and the Ultra 5 have different base power ratings, with the Ultra 5 specified at 65W. While the BX80677I77700K does not have a stated power rating in the provided data, typically, older architectures can be less efficient than newer designs. The Ultra 5's hybrid architecture is designed for better power management, potentially offering better performance per watt, which is crucial for users concerned about energy consumption.
Which should you buy?
Choosing between the Intel BX80677I77700K and the Intel® Core™ Ultra 5 Desktop Processor 235 largely depends on your specific needs. If you’re looking for a cost-effective solution for basic computing tasks, the BX80677I77700K at $186.69 is a solid choice. However, if your focus is on high-performance tasks such as gaming, content creation, or heavy multitasking, the Ultra 5 at $266.21, with its superior core count, cache size, and clock speed, represents a worthwhile investment. Ultimately, weighing the price against performance capabilities is key to making the right decision for your computing needs.

