9.9
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9.6
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CPU Core Details

CPU Codename Skylake X Ivy Bridge
MoBo Socket Socket 2066 LGA 2011/Socket R
Notebook CPU no no
Release Date 30 Nov 2018 10 Sep 2013
CPU Link GD Link GD Link
Approved

CPU Technical Specifications

{
CPU Cores 10 12
CPU Threads 20 24
Clock Speed 3.3 GHz 2.4 GHz
Turbo Frequency 4.1GHz -
Max TDP 165 W 115 W
Lithography 14 nm 22 nm
Bit Width 64 Bit 64 Bit
Max Temperature 92°C 81°C
Virtualization Technology no no

CPU Cache and Memory

L1 Cache Size 640 KB -
L2 Cache Size 10240 KB 256 KB
L3 Cache Size 16.5 MB 30 MB
Memory Types
Max Memory Size 128 GB -
Memory Channels 4 -
ECC Memory Support no no

CPU Graphics

Integrated Graphics no no

CPU Mini Review

Mini Review The Intel Core i7-9820X 10-Core 3.3GHz is a high-end CPU based on the 14nm Skylake-X micro architecture. It is competing against AMD's 2nd Gen Ryzen Threadripper processors. It offers 10 physical cores (20 logical), initially clocked at 3.3GHz which may go up to 4.1GHz with Turbo Boost enabled, and 16.5MB of L3 Cache. Among its many features are Turbo Boost Max 3.0 technology, Hyper-Threading, Virtualization is activated. As an 'Extreme' variant, this processor has its multiplier unlocked and overclocking is possible. With a 165W TDP, the Core i9-9820X 10-Core is very power hungry and will require a high-end PSU. This CPU is likely to offer exceptional computational performance and will not be the bottlenecked in any modern gaming PC. It will be able to play all AAA titles. The Xeon E5-2695 v2 is a high performance server CPU in the Xeon E5 v2 processor family. It has a clock speed of 2.4GHz. <br/> With 12 cores and 24 threads, both the performance and the price of the E5-2695 v2 are extremely high.<br/> It's based on the Ivy Bridge architecture and the memory controller supports DDR3-800, DDR3-1066, DDR3-1333, DDR3-1600 and DDR3-1866. It released in September 2013.

Gaming Performance Comparison

In terms of overall gaming performance, the Intel Core i9-9820X 10-Core 3.3GHz is massively better than the Intel Xeon E5-2695 v2 when it comes to running the latest games. This also means it will be less likely to bottleneck more powerful GPUs, allowing them to achieve more of their gaming performance potential.

Both the Core i9-9820X 10-Core 3.3GHz and the Xeon E5-2695 v2 were released at the same time, so are likely to be quite similar.

Both CPUs exhibit very powerful performance, so it probably isn't worth upgrading from one to the other, as both are capable of running even the most demanding games at the highest settings (assuming they are accompanied by equivalently powerful GPUs).

The 12 has 2 more cores than the Core i9-9820X 10-Core. 12 cores is probably excessive if you mean to just run the latest games, as games are not yet able to harness this many cores. The 10 cores in the Core i9-9820X 10-Core is more than enough for gaming purposes. However, if you intend on running a server with the 12, it would seem to be a decent choice.

The Xeon E5-2695 v2 has 4 more threads than the Core i9-9820X 10-Core. Both the Core i9-9820X 10-Core and the Xeon E5-2695 v2 use hyperthreading. The Core i9-9820X 10-Core has 2 logical threads per physical core and the Xeon E5-2695 v2 has 2.

Multiple threads are useful for improving the performance of multi-threaded applications. Additional cores and their accompanying thread will always be beneficial for multi-threaded applications. Hyperthreading will be beneficial for applications optimized for it, but it may slow others down. For games, the number of threads is largely irrelevant, as long as you have at least 2 cores (preferably 4), and hyperthreading can sometimes even hit performance.

More important for gaming than the number of cores and threads is the clock rate. Problematically, unless the two CPUs are from the same family, this can only serve as a general guide and nothing like an exact comparison, because the clock cycles per instruction (CPI) will vary so much.

The Core i9-9820X 10-Core and Xeon E5-2695 v2 are not from the same family of CPUs, so their clock speeds are by no means directly comparable. Bear in mind, then, that while the Core i9-9820X 10-Core has a 0.9 GHz faster frequency, this is not always an indicator that it will be superior in performance, despite frequency being crucial when trying to avoid GPU bottlenecking. In this case, however, the difference is probably a good indicator that the 12 is superior.

Aside from the clock rate, the next-most important CPU features for PC game performance are L2 and L3 cache size. Faster than RAM, the more cache available, the more data that can be stored for lightning-fast retrieval. L1 Cache is not usually an issue anymore for gaming, with most high-end CPUs eking out about the same L1 performance, and L2 is more important than L3 - but L3 is still important if you want to reach the highest levels of performance. Bear in mind that although it is better to have a larger cache, the larger it is, the higher the latency, so a balance has to be struck.

The <span class='gpu1Mention'>Core i9-9820X 10-Core</span> has a 9984 KB bigger L2 cache than the <span class='gpu2Mention'>Xeon E5-2695 v2</span>, but on the other hand, it is the <span class='gpu2Mention'>Xeon E5-2695 v2</span> that has a 13.5 MB bigger L3 cache than the <span class='gpu1Mention'>Core i9-9820X 10-Core</span>. In this case, the L2 size is probably what counts, so the <span class='gpu1Mention'>Core i9-9820X 10-Core</span> is likely superior in this area.

The maximum Thermal Design Power is the power in Watts that the CPU will consume in the worst case scenario. The lithography is the semiconductor manufacturing technology being used to create the CPU - the smaller this is, the more transistors that can be fit into the CPU, and the closer the connections. For both the lithography and the TDP, it is the lower the better, because a lower number means a lower amount of power is necessary to run the CPU, and consequently a lower amount of heat is produced.