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Gaming Performance Comparison

Recommended System Requirements
Game Xeon Processor L5420 Core i5-4690 3.5GHz
Red Dead Redemption 2 168% 14%
Doom Eternal 120% 6%
Cyberpunk 2077 127% 3%
Call of Duty: Modern Warfare 98% 15%
Dragon Ball Z Kakarot 102% 14%
Microsoft Flight Simulator 191% 24%
Star Wars: Jedi - Fallen Order 195% 26%
Grand Theft Auto VI 264% 55%
Need For Speed Heat 126% 3%
Warcraft 3: Reforged 43% 76%

In terms of overall gaming performance, the Intel Core i5-4690 3.5GHz is massively better than the Intel Xeon Processor L5420 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.

The Core i5-4690 3.5GHz was released less than a year after the Xeon Processor L5420, and so they are likely to have similar levels of support, and similarly optimized performance when running the latest games.

The Xeon Processor L5420 and the Core i5-4690 3.5GHz both have 4 cores, which is not likely to be a limiting factor for gaming.

Both the Intel Xeon Processor L5420 and the Intel Core i5-4690 3.5GHz have the same number of threads. Both CPUs have one thread per physical core.

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 Xeon Processor L5420 and Core i5-4690 3.5GHz 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 i5-4690 3.5GHz has a 1 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 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 Xeon Processor L5420 has a 11264 KB bigger L2 cache than the Core i5-4690 3.5GHz, and although the Xeon Processor L5420 does not appear to have an L3 cache, its larger L2 cache means that it wins out 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.

The Xeon Processor L5420 has a 34 Watt lower Maximum TDP than the Core i5-4690 3.5GHz. However, the Core i5-4690 3.5GHz was created with a 23 nm smaller manufacturing technology. Overall, by taking both into account, the Core i5-4690 3.5GHz is likely the CPU with the lower heat production and power requirements, by a small amount.

The Core i5-4690 3.5GHz has an on-board GPU, which means that it will be capable of running basic graphics applications (i.e., games) without the need for a dedicated graphics card. The Xeon Processor L5420, however, does not, and you will probably have to look for a dedicated card if you wish to use it at all.

For in-depth GPU comparisons with the Intel HD Graphics 4600 Desktop, click on the following GPU overview comparison icon (visible throughout Game-Debate), and choose a GPU from the list to compare against:

On-board GPUs tend to be fairly awful in comparison to dedicated cards from the likes of AMD or Nvidia, but as they are built into the CPU, they also tend to be cheaper and require far less power to run (this makes them a good choice for laptops). We would recommend a dedicated card for running the latest games, but integrated GPUs are improving all the time and casual gamers may find less recent games perform perfectly acceptably.

CPU Core Details

CPU CodenameHarpertownHaswell
MoBo SocketLGA 771/Socket JLGA 1150
Notebook CPUnono
Release Date25 Mar 200814 May 2014
CPU LinkGD LinkGD Link
Approved

CPU Technical Specifications

CPU Cores4vs4
CPU Threads4vs4
Clock Speed2.5 GHzvs3.5 GHz
Turbo Frequency-vs3.9 GHz
Max TDP50 Wvs84 W
Lithography45 nmvs22 nm
Bit Width64 Bitvs64 Bit
Max Temperature57°Cvs100°C
Virtualization Technologynovsno
Comparison

CPU Cache and Memory

L1 Cache Size256 KBvs256 KB
L2 Cache Size12288 KBvs1024 KB
L3 Cache Size-vs6 MB
Max Memory Size-vs32 GB
Memory Channels-vs2
ECC Memory Supportnovsno
Comparison

CPU Graphics

GraphicsIntel HD Graphics 4600 Desktop
Base GPU Frequency-vs400 MHz
Max GPU Frequency-vs1250 MHz
DirectX-vs11.1
Displays Supported-vs-
Comparison

CPU Package and Version Specifications

Package Size-vs-
Revision-vs-
PCIe Revision-vs-
PCIe Configurations-vs-

Gaming Performance Value

Performance Value

CPU Mini Review

Mini ReviewXeon Processor L5420 is a Low Voltage Server Processor based on the 45nm, Core Architecture.

It offers 4 Physical Cores (4 Logical), Clocked at 2.5GHz and 12MB of L2 Cache.
Among its many features, Virtualization is activated.

The processor DOES NOT Integrate any Graphics and has a rated board TDP of 50W.

It offers average performance. It will therefore become a bottleneck in today's demanding games.
Core i5-4690 3.5GHz is a high-end CPU based on the 22nm, Haswell architecture.

It offers 4 Physical Cores (4 Logical), initially clocked at 3.5GHz, which may go up to 3.9GHz and 6MB of L3 Cache.
Among its many features, Turbo Boost and Virtualization are activated.

The processor integrates powerful Graphics called Intel HD Graphics 4600, with 20 Execution Units, initially clocked at 350MHz and that go up to 1200MHz, in Turbo Mode which share the L2 Cache and system RAM with the processor.
Both the processor and integrated graphics have a rated board TDP of 84W.

Compared to Core i5-4670K there's an overall 3% performance boost. Its performance is exceptionally good and enough for even the most demanding applications.

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