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Gaming Performance Comparison

Recommended System Requirements
Game Core i5-7600K 3.8GHz Core i7-4771 4-Core 3.5GHz
Red Dead Redemption 2 9% 0%
Call of Duty: Modern Warfare 19% 26%
Cyberpunk 2077 7% 15%
Zombieland: Double Tap - Road Trip 9% 0%
Microsoft Flight Simulator 18% 9%
Fortnite: Chapter 2 40% 45%
The Outer Worlds 18% 9%
Borderlands 3 9% 0%
FIFA 20 22% 28%
Need For Speed Heat 8% 15%

In terms of overall gaming performance, the Intel Core i7-4771 4-Core 3.5GHz is significantly better than the Intel Core i5-7600K 3.8GHz 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 i5-7600K 3.8GHz was released over three years more recently than the Core i7-4771 4-Core, and so the Core i5-7600K 3.8GHz is likely to have far better levels of support, and will be much more optimized and ultimately superior to the Core i7-4771 4-Core when running the latest games.

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 Core i5-7600K 3.8GHz and the Core i7-4771 4-Core both have 4 cores, which is not likely to be a limiting factor for gaming.

The Core i7-4771 4-Core has 4 more threads than the Core i5-7600K 3.8GHz. The Core i5-7600K 3.8GHz has one thread per physical core, whereas the Core i7-4771 4-Core uses hyperthreading and has 2 logical threads 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 Core i5-7600K 3.8GHz and Core i7-4771 4-Core 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 i5-7600K 3.8GHz has a 0.3 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. As such, we need to look elsewhere for more reliable comparisons.

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 Core i5-7600K 3.8GHz and the Core i7-4771 4-Core have the same L2 cache size, but the Core i7-4771 4-Core has a 2 MB bigger L3 cache, so in this area, it wins out over the Core i5-7600K 3.8GHz.

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 Core i7-4771 4-Core has a 13 Watt lower Maximum TDP than the Core i5-7600K 3.8GHz. However, the Core i5-7600K 3.8GHz was created with a 8 nm smaller manufacturing technology. Overall, by taking both into account, the Core i5-7600K 3.8GHz is likely the CPU with the lower heat production and power requirements, but there really isn't much in it.

The Core i7-4771 4-Core 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 Core i5-7600K 3.8GHz, 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 CodenameKaby LakeHaswell
MoBo SocketLGA 1151LGA 1150
Notebook CPUnono
Release Date05 Jan 201701 Sep 2013
CPU LinkGD LinkGD Link
Approved

CPU Technical Specifications

CPU Cores4vs4
CPU Threads4vs8
Clock Speed3.8 GHzvs3.5 GHz
Turbo Frequency4.2 GHzvs3.9 GHz
Max TDP95 Wvs82 W
Lithography14 nmvs22 nm
Bit Width64 Bitvs64 Bit
Max Temperature-vs72°C
Virtualization Technologynovsno
Comparison

CPU Cache and Memory

L1 Cache Size256 KBvs256 KB
L2 Cache Size1024 KBvs1024 KB
L2 Cache Speed-vs-
L3 Cache Size6 MBvs8 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 ReviewThe specific performance specs for this high end Intel CPU are still unconfirmed, but some benchmarks are starting to appear.
The Core i5-7600K 4-Core 3.8GHz is a high-end CPU based on the 14nm, Kaby Lake micro architecture. It offers 4 physical cores (8 logical), initially clocked at 3.8GHz, which may go up and 8MB of L3 Cache. Among its many features, HyperThreading, Turbo Boost 2.0 and Virtualization are activated and the processor has its multiplier unlocked. This CPU is likely to offer exceptional computational performance and will not be the bottleneck in any modern gaming PC. It will be able to play all modern games comfortably on high/ultra graphics performance without being a hindrance to the accompanying GPU.
Core i7-4771 4-Core 3.5GHz is a high-end CPU based on the 22nm, Haswell architecture.

It offers 4 Physical Cores (8 Logical), initially clocked at 3.5GHz, which may go up to 3.9GHz and 8MB of L3 Cache.
Among its many features, HyperThreading, 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 i7-4770 it performs very similar. Its performance is very good and sufficient for extreme gaming.

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