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With the new Ryzen 5000 series CPU, AMD challenges Intel to win the coveted title of best gaming CPU. Its main heavyweight product in this battle is 5900X. However, for most gamers, they are more interested in lower-priced CPUs, such as the next most powerful product in the 5800X series. 3800X is the pre-gen CPU version at the price of Ryzen 7, but it failed to beat Intel's i710700K in terms of single-threaded instructions per clock (IPC), resulting in lower FPS performance for gaming. . Let's take a closer look at whether the new 5800X lives up to AMD's ambitious ambitions and is worth spending a bit more than the cheaper older 3800X.

speed 3.8GHz / 4.7GHz

core (thread)

8/16

socket

AM4 TDP

105W

speed 3.9GHz / 4.5GHz

core (thread)

8/16

socket

AM4 TDP

105W

As shown in the figure below, the basic specifications of the 5800X and 3800X are almost the same. The only difference (which may be surprising at first glance) is that the Zen 3 CPU actually has a SingleCore Boost Clock 0.2Ghz lower than Zen 2 and a base clock 0.1Ghz lower, even though All Core Boost is 0.2Ghz higher. More on this below.

"Zen" is the term AMD has used for its different generations of CPU architectures since 2017. The older 3800X is based on the Zen 2 architecture, and the 5800X uses the new Zen 3. Although both the current and previous generations are based on the 7nm process, AMD has greatly improved the technology for Zen 3, increased energy efficiency, and more importantly, the CPI has increased under the same process size. We can expect next year's Zen 4 to make the same improvements in a smaller 5nm process. Generally speaking, the smaller the process, the more transistors can be installed and the more powerful the chip.

Most of the claimed performance improvement of the new Zen 3 is due to AMD's changes to cache design from the previous generation. Instead of two batches of 16MB L3 memory with four CPU cores in the middle of the Zen 3 processor, it allows all eight CPU cores to access a large 32MB L3 memory cache. These changes mean that any kernel can now directly access information stored in a single large pool of memory (for example, this may be related to the physics of persistent objects in the game world), rather than the data having to be transferred through "infinity" if it is cached. In the other half, it can be transmitted through the kernel. 3900X still divides L3 cache into 2x16MB parts, each part is allocated with four cores (8 threads), while 5800X has 1x32MB cache part, with 8 cores (16 threads) allocated-the total number of cores and memory is the same, Just use it more effectively. Generally speaking, this means that Zen 3 has higher processing speed and lower game latency.

is different from the more expensive $350 5950X. The 5950X is aimed at creatives and professionals who need a desktop PC that can handle workstation tasks and play games, while the 5800X and its predecessor, the 3800X, are specifically aimed at gamers. However, on these tasks, you can still get some multi-core productivity from two CPUs. For gamers who don't want to buy dedicated workstation CPUs but are involved in some video and audio editing, Zen 2 and Zen 3 processors outperform the rival Intel CPU i910700K, partly due to their high L3 memory cache.

As shown in the figure below, the Cinebench score of the new 5800X's multi-core performance is 19% higher than that of the 3800X, and the Corona benchmark rendering time of the new CPU is 20 mm. When comparing the 5800X with the 3800X for workstations, the 5800X definitely stands out.

If you are looking for a suitable workstation machine, we certainly recommend that you look for a 16-core 5950X, or if your budget is limited, please consider using a second-hand 3950X.

Although newer games have begun to use multi-processing capabilities, the main indicator for games is still single-core performance. As we can see, the new 5800X actually has a lower SingleCore speed than the previous 3800X, but in terms of performance, the clock speed is only part of the story. The architecture upgrade from Zen 2 to Zen 3 means that the 5800X's number of instructions per clock (IPC) is even higher, so the total number of instructions that the CPU can process at any given time is higher, or claims AMD. .

In its initial demonstration, AMD stated that the overall performance of the new generation has increased by approximately 19%. Let's look at the following benchmarks to see if these claims are confirmed. The

is different from the $ 350 5950X. The 5950X's target customers are creatives and professionals who need desktop computers that can handle gaming and workstation tasks. The 5800X and its predecessor, the 3800X, are completely geared towards gamers. However, in these tasks, you can still get some productivity from multi-core two CPUs. For gamers who don't want to buy a dedicated workstation CPU but are involved in some video and audio editing, Zen 2 and Zen 3 processors outperform the rival Intel CPU i910700K, thanks in part to their high L3 memory cache.

As shown in the figure below, the multi-core performance of the new 5800X Cinebench score is 19% higher than that of the 3800X, and the Corona benchmark rendering time of the new CPU is 20 mm. When comparing the 5800X with the 3800X for workstations, the 5800X will definitely stand out

Professionals who need a desktop PC that can handle workstation tasks and games, the 5800X and its predecessor, the 3800X, are specifically aimed at gamers. However, on these tasks, you can still get some multi-core productivity from two CPUs. For gamers who don't want to spend money on dedicated workstation CPUs but dabble in some video and audio editing, Zen 2 and Zen 3 processors outperform the rival Intel CPU i910700K, thanks in part to its upper L3 memory cache.

As shown in the figure below, the multi-core performance of the new 5800X Cinebench score is 19% higher than that of the 3800X, and the Corona benchmark rendering time of the new CPU is 20 mm. When comparing the 5800X with the 3800X for workstations, the 5800X definitely stands out.

Of course, if you want to build a proper workstation machine, we recommend looking at the 16-core 5950X or, if your budget is limited, consider using a second-hand 3950X.

Although newer games are starting to take advantage of multi-processing capabilities, the main indicator in games is still single-core performance. As we've seen, the new 5800X actually has a lower single-core speed than the old 3800X, but in terms of performance, clock speed is only part of the story. The architecture upgrade from Zen 2 to Zen 3 means that the 5800X's number of instructions per clock (IPC) is even higher, so the total number of instructions the CPU can execute at any given time is higher, or claims AMD. .

In the initial demonstration, AMD stated that the overall performance of the new generation has increased by approximately 19%. Let's look at the following benchmarks to see if these claims are confirmed.

From the FPS results above, it appears that the AMD statement is excellent value for money. In fact, between 3900XT and 5900XT, at least in currently tested games, if there is any underestimation of the performance improvement. Shadow Of The Tomb Raider average FPS has increased by 27%, Microsoft Flight Simulator (a well-known CPU heavy game) has increased by 25%, and CS: GO has been a staggering 42%. Given that the price difference between the two processors (assuming the 3900X is still $ 399) is 12.5%, the 5800X represents a very high value compared to the previous processor in our opinion.

Remember, if you plan to pair your new processor with AMD 6000 series GPUs, the above content doesn't even consider the added benefits of intelligent memory access. More on this below.

The last thing to consider when comparing the Zen 2 and Zen 3 CPUs is if you are still planning to buy a new Radeon 6000 series graphics card from AMD. As we explain in more depth here, the Smart Memory Access feature enables Ryzen 5000 series CPUs to get extra performance by using Radeon 6000 series GPU memory more efficiently. In the games that AMD showed us, their performance range between 2% and 13 times the FPS After the launch of the new AMD graphics card, we will better understand the accuracy of these claims, although so far, other performance data of the red team still they exist in independent tests.

Smart Access Memory essentially means that 5800X has additional free performance than 3800X, so if you want to buy a new AMD graphics card anyway, it would be silly not to choose 5800X in this case.

In all aspects of proven performance, 5800X is better than 3800X CPU. For an extra $50, at least based on the current price, your game performance will increase by approximately 25% to 30%, sometimes more depending on the game (CS:GO is a featured example, an increase of 42%), and as a major workstation improvement. use.

Interestingly, in these tests, the improvement between these two CPUs is even more obvious than the improvement between Ryzen 9 5900X and its Zen 2 predecessor, Ryzen 9 3900X, which means that compared with more CPUs, the improvement is several Improvements between generations provide you with additional powerful chips. If you are buying a new graphics card, then 5800X is obviously a better choice than 3800X. If you also bought a Radeon 6000 series graphics card, then this decision is even more obvious. In this particular case, we really don’t see the second-hand price drop to the point where the 3800X is worth saving, especially when you consider that the 5000 series enhances the future-oriented capabilities of the upcoming controller.

If you already own a 3800X, does the problem turn into an FPS performance increase of about 25% 30% worth $ 449? Selling your current processor on the second-hand market can certainly take the pressure off your wallet. If you buy a new Radeon 6000 series GPU, the promised smart memory performance provided by the new card should increase the number of frames per dollar. All in all, the 5800X CPU is far better than its predecessor, and this is one of the times when you buy a new generation with absolute value for money.

In all aspects of benchmarks, 5800X is better than 3800X CPU. For an additional $ 50, at least based on current price, you can get a 25% to 30% increase in game performance, sometimes more depending on the game (CS: GO is an outstanding example with a 42% improvement). %), and greatly improved use of the workstation.

Interestingly, in these tests, the improvement between these two CPUs is even more obvious than the improvement between Ryzen 9 5900X and its Zen 2 predecessor, Ryzen 9 3900X, which means that compared with more CPUs, the improvement is several Improvements between generations provide you with additional powerful chips. If you bought a new one, the 5800X is

It becomes simpler. In this particular case, we really don’t see the second-hand price drop to the point where the 3800X is worth saving, especially when you consider that the 5000 series enhances the future-oriented capabilities of the upcoming controller.

If you already own a 3800X, the question is: Is $449 worth the roughly 25% to 30% increase in FPS performance? Selling your current processor on the second-hand market can certainly reduce the pressure on your wallet. If you are buying a new Radeon 6000 series GPU, the promised performance of the smart memory access provided by the new card should be. Every dollar adds more frames. All in all, the 5800X's CPU is much better than its predecessor, and this is one of the periods when it is definitely worth buying a new generation.

Speed

3.8 GHz / 4.7 GHz

Core (cable)

8/16

Plug

AM4

TDP

105 W

Speed

3.9 4 4 GHz 4 4 GHz 4 4 GHz 4 4 GHz 4 4 GHz 4 4 GHz 4 GHz plug 4 GHz plug AM4

TDP

105 Watt

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