เทียบชัด ๆ Intel Core i9-14900K VS Core i7-14700K เจนเดียวกัน แต่ความแรงต่างกันขนาดไหน ?| iHAVECPU

iHAVECPU

17 Feb 202408:38

Summary

TLDRIn this tech review, the video compares the Intel i9-14900K and i7-14700K CPUs from the Gen 14 Raptor Lake Refresh series. It highlights the differences in core counts, with the i9 maintaining 24C/32T and the i7 upgrading to 20C/28T, including an increase in E-Cores. The i9 boasts a higher max clock speed of 6.0 GHz compared to the i7's 5.6 GHz. Performance tests in various benchmarks show the i9 outperforming the i7 by about 10% in multi-core tasks and rendering, while gaming performance differences are minor, with the i9 leading by 10-15 FPS on average. The video concludes by advising viewers to consider their specific needs and budget when choosing between the two processors.

Takeaways

😀 The video compares the i9-14900K and i7-14700K processors from Intel's Gen 14 or Raptor Lake Refresh series.
🔍 Both CPUs use the same LGA 1700 socket, allowing for compatibility with existing motherboards.
💡 The i7-14700K is the only model to receive an increase in E-cores, going from 8C/8T to 12C/12T, while the i9-14900K maintains 16C/16T.
📈 The i9-14900K has a higher L2 Cache (32MB) compared to the i7-14700K (28MB), reflecting the difference in E-cores.
⏱️ The i7-14700K has a higher base clock speed (3.4 GHz) than the i9-14900K (3.2 GHz), but the i9 reaches a higher max clock speed (6.0 GHz vs 5.6 GHz).
🏆 In CPU-Z benchmark, the i9-14900K outperforms the i7-14700K in both single-core (930 vs 883) and multi-core (16,984 vs 14,809) scores.
📊 Cinebench R23 and Geekbench 6 show similar performance gaps, with the i9-14900K scoring higher in both single-core and multi-core tests.
🎮 In gaming performance, the difference in FPS between the two CPUs is not significant, with the i9-14900K averaging slightly higher frames.
🛠 Both CPUs support the same number of PCIe lanes (20), DDR4/DDR5 memory, and have similar TDP ranges (125-253W).
💰 The decision between i7 and i9 may come down to whether the user values the higher clock speed and additional E-cores of the i9 for a potential performance boost.
🔧 Both CPUs are capable of overclocking, which can further enhance performance, especially for the i9-14900K with its higher max clock speed.

Q & A

What is the main topic discussed in the video script?
-The main topic discussed in the video script is a comparison between the i9-14900K and i7-14700K CPUs, focusing on their performance differences and which one to choose.
What is the difference in the number of E-cores between the i9-14900K and i7-14700K CPUs?
-The i9-14900K has 16 E-cores, while the i7-14700K has 12 E-cores, which is an increase from 8 E-cores in the previous generation.
How much does the L2 Cache differ between the i9-14900K and i7-14700K?
-The i9-14900K has 32MB of L2 Cache, whereas the i7-14700K has 28MB.
What is the difference in the base clock speed between the i7-14700K and i9-14900K?
-The i7-14700K has a base clock speed of 3.4 GHz, which is higher than the i9-14900K's base clock speed of 3.2 GHz.
What is the maximum clock speed of the i9-14900K and how does it compare to the i7-14700K?
-The i9-14900K has a maximum clock speed of 6.0 GHz, which is 400 MHz higher than the i7-14700K's maximum clock speed of 5.6 GHz.
How do the i9-14900K and i7-14700K CPUs compare in terms of multi-core performance according to the script?
-The i9-14900K scored higher in multi-core benchmarks, with a difference of approximately 2,000 points in CPU-Z and around 5,000 points in Cinebench R23.
What is the TDP range for both the i9-14900K and i7-14700K CPUs?
-The TDP range for both the i9-14900K and i7-14700K CPUs is 125-253W.
How much of a performance difference is there between the i9-14900K and i7-14700K in single-core tasks according to the script?
-The performance difference in single-core tasks is around 2-5%, with the i9-14900K scoring slightly higher in benchmarks.
What is the maximum memory capacity supported by the i9-14900K and i7-14700K CPUs?
-Both the i9-14900K and i7-14700K CPUs support a maximum memory capacity of 192GB.
How do the i9-14900K and i7-14700K CPUs perform in gaming according to the script?
-In gaming, the performance difference between the i9-14900K and i7-14700K is not significant, with differences in FPS ranging from 8 to 15 frames depending on the game.
What advice does the script give regarding the choice between the i9-14900K and i7-14700K CPUs?
-The script suggests that the choice between the i9-14900K and i7-14700K depends on whether the user values the slight performance increase in the i9 for multi-core tasks and higher clock speeds, and whether this justifies the additional cost.

Outlines

00:00

🔍 CPU Comparison: i9-14900K vs i7-14700K

This paragraph introduces a comparative discussion between the i9-14900K and i7-14700K processors, part of Intel's Gen 14 or Raptor Lake Refresh series. The script details the technical specifications and differences, including core and thread counts, cache sizes, base and max clock speeds, and TDP. It highlights the i7's increased E-Core count from 8C/8T to 12C/12T in Gen 14, bringing it closer to the i9's 16C/16T, and the i9's higher max clock speed of 6.0 GHz compared to the i7's 5.6 GHz. The paragraph also mentions performance metrics from CPU-Z and Cinebench R23, showing the i9 outperforming the i7 in both single-core and multi-core tests.

05:01

🎮 Gaming and Rendering Performance: i9-14900K vs i7-14700K

The second paragraph delves into the gaming and rendering performance of the i9-14900K and i7-14700K, using an RTX 4090 and 32 GB of RAM with a 6000 MHz bus speed. The script compares average FPS in various games like Counter Strike 2, Cyberpunk 2077, Hogwart Legacy, and Red Dead Redemption 2, noting the performance difference, which ranges from 8 to 15 FPS in favor of the i9. It discusses the impact of the 400 MHz clock speed difference and the additional 4C/4T E-Cores of the i9 on performance. The paragraph concludes by emphasizing that the choice between i7 and i9 should be based on whether the user values the slight performance gain and if it's worth the investment, considering that both CPUs are powerful and can handle gaming and multitasking efficiently.

Mindmap

Keywords

💡i9-14900K

The i9-14900K refers to a high-end CPU model from Intel's 14th generation, specifically the 'K' series which indicates it is unlocked for overclocking. In the video, it is compared with the i7-14700K to evaluate performance differences. The i9-14900K is noted for having 24C/32T (24 cores and 32 threads), 36MB L2 Cache, and a max boost clock of 6.0 GHz, making it a powerful option for intensive tasks and gaming.

💡i7-14700K

The i7-14700K is another CPU model from Intel's 14th generation, also part of the 'K' series for overclocking capabilities. It is compared against the i9-14900K in the script to determine its performance relative to the higher-tier model. With 20C/28T (20 cores and 28 threads) and 28MB L2 Cache, it has fewer cores and threads but a slightly higher base clock speed, which is a key point of comparison in the video.

💡E-Core

E-Cores, or efficiency cores, are a part of Intel's hybrid architecture, designed to handle less demanding tasks more efficiently. The script mentions that the i7-14700K has an increased number of E-Cores from 8C/8T to 12C/12T in the 14th generation, bringing it closer in performance to the i9-14900K, which maintains 16C/16T of E-Cores.

💡L2 Cache

L2 Cache is a smaller but faster memory that sits between the CPU and main system memory, used for temporarily storing data the processor uses frequently. The script points out that the i9-14900K has 32MB of L2 Cache, whereas the i7-14700K has 28MB, indicating a difference in potential performance for handling data-intensive tasks.

💡L3 Cache

L3 Cache, also known as Intel Smart Cache, is another level of cache memory that is larger and slower than L2 Cache but faster than the system memory. The video script indicates that the i9-14900K has 36MB of L3 Cache, while the i7 has 33MB, which can affect performance in multi-threaded applications.

💡Base Clock

Base Clock refers to the starting speed of the CPU's cores. The script notes that the i7-14700K has a slightly higher base clock speed of 3.4 GHz compared to the i9-14900K's 3.2 GHz, suggesting that the i7 might have a performance edge at the very start of tasks.

💡Max Clock

Max Clock, or maximum clock speed, is the highest frequency at which a CPU can operate. The i9-14900K has a max clock of 6.0 GHz, while the i7-14700K has a max clock of 5.6 GHz, as mentioned in the script. This difference of 400 MHz is significant for tasks that can utilize the full capabilities of the CPU.

💡CPU-Z

CPU-Z is a software utility that provides information on CPU usage and performance. In the video, CPU-Z is used to benchmark the single-core and multi-core performance of the i9-14900K and i7-14700K, with the i9 scoring higher in both categories.

💡Cinebench R23

Cinebench R23 is a benchmarking tool that tests the CPU's rendering capabilities. The script uses Cinebench R23 to compare the single-core and multi-core performance of the two CPUs, where the i9-14900K outperforms the i7-14700K by a noticeable margin.

💡Geekbench 6

Geekbench 6 is another benchmarking tool that assesses the overall performance of a CPU. The video script highlights the difference in scores between the i9-14900K and i7-14700K in Geekbench 6, with the i9 showing a nearly 10% advantage in multi-core performance.

💡FPS

FPS stands for frames per second and is a measure of how many images can be displayed in a second, crucial for gaming performance. The script discusses FPS differences in various games when using the i9-14900K versus the i7-14700K, noting that while there is a difference, it may not always be perceptible to the user.

Highlights

Comparison between the i9-14900K and i7-14700K CPUs, discussing which one to choose.

Introduction of the new Gen 14 CPUs, also known as Raptor Lake Refresh, which still use the LGA 1700 socket.

The i7-14700K is the only model in Gen 14 that has an increase in E-Cores, from 8C/8T to 12C/12T.

The i9-14900K maintains the same E-Core count as previous generations, at 16C/16T.

Differences in L2 and L3 cache sizes between the i9 and i7 models.

The i7-14700K has a higher base clock speed than the i9-14900K.

The i9-14900K has a higher maximum clock speed than the i7-14700K by 400 MHz.

Both CPUs have the same number of PCIe lanes, supporting DDR4 and DDR5 memory with the same bus speeds.

The maximum memory support for both CPUs is 192GB.

Both CPUs have the same TDP range of 125-253W.

CPU-Z benchmark scores show a significant difference in Multi-Core performance between the i9 and i7.

Cinebench R23 and Geekbench 6 benchmark results highlight the performance gap between the two CPUs.

The i9-14900K shows a higher performance in single-core tasks compared to the i7-14700K.

In multi-core tasks, the i9 outperforms the i7 by approximately 10%.

Gaming performance comparison shows a difference of up to 15 FPS in certain titles between the two CPUs.

The importance of GPU choice in gaming performance when paired with either CPU.

The impact of the 400 MHz clock speed difference on gaming and rendering performance.

The potential for both CPUs to be overclocked, providing additional performance.

A final recommendation on choosing between the i9-14900K and i7-14700K based on performance and value.