Select any two CPUs for comparison
VS

Gaming Performance Comparison

Recommended System Requirements
Game Core i5-8400T 6-Core 1.7GHz Pentium Gold G5600 2-Core 3.9GHz
Cyberpunk 2077 89% 70%
Call of Duty Warzone 31% 18%
Horizon: Zero Dawn 53% 38%
Assassins Creed: Valhalla 89% 70%
Valorant 9% 19%
Hyper Scape 53% 38%
Grand Theft Auto VI 157% 131%
Doom Eternal 111% 89%
Death Stranding 65% 49%
F1 2020 138% 114%

In terms of overall gaming performance, the Intel Pentium Gold G5600 2-Core 3.9GHz is noticeably better than the Intel Core i5-8400T 6-Core 1.7GHz 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 i5-8400T 6-Core was released less than a year after the Pentium Gold G5600, and so they are likely to have similar levels of support, and similarly optimized performance 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 i5-8400T 6-Core has 4 more cores than the Pentium Gold G5600. With 6 cores, the Core i5-8400T 6-Core is much less likely to struggle with the latest games, or bottleneck high-end graphics cards when running them.

The Core i5-8400T 6-Core has 2 more threads than the Pentium Gold G5600. The Core i5-8400T 6-Core has one thread per physical core, whereas the Pentium Gold G5600 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 i5-8400T 6-Core and the Pentium Gold G5600 are from the same family of CPUs, and thus their clock speeds are directly comparable. With this in mind, it is safe to say that with a 2.2 GHz faster base clock rate, the Pentium Gold G5600 manages to provide massively better performance than the Core i5-8400T 6-Core.

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 i5-8400T 6-Core has a 1024 KB bigger L2 cache than the Pentium Gold G5600, which means that it, at worst, wins out in this area, and at best, will provide superior gaming performance and will work much better with high-end graphics cards.

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 i5-8400T 6-Core has a 30 Watt lower Maximum TDP than the Pentium Gold G5600 (though they were created with the same size 14 nm manufacturing technology). What this means is the Core i5-8400T 6-Core will consume significantly less power and consequently produce less heat, enabling more prolonged computational tasks with fewer adverse effects. This will lower your yearly electricity bill significantly, as well as prevent you from having to invest in extra cooling mechanisms (unless you overclock).

The Core i5-8400T 6-Core and the Pentium Gold G5600 both have an on-board GPU, which means that they will be capable of running basic graphics applications (i.e., games) without the need for a dedicated graphics card.

For an in-depth GPU comparison, click on the GPU comparison icon that you can find throughout Game-Debate:

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 CodenameCoffee Lake SCoffee Lake S
MoBo SocketLGA 1151LGA 1151
Notebook CPUnono
Release Date02 Apr 201826 Feb 2018
CPU LinkGD LinkGD Link
Approved

CPU Technical Specifications

CPU Cores6vs2
CPU Threads6vs4
Clock Speed1.7 GHzvs3.9 GHz
Turbo Frequency3.3 GHzvs-
Max TDP35 Wvs65 W
Lithography14 nmvs14 nm
Bit Width64 Bitvs64 Bit
Max Temperature100°Cvs-
Virtualization Technologynovsno
Comparison

CPU Cache and Memory

L1 Cache Size384 KBvs128 KB
L2 Cache Size1536 KBvs512 KB
L3 Cache Size9 MBvs4 MB
Max Memory Size-vs64 GB
Memory Channels-vs2
ECC Memory Supportnovsno
Comparison

CPU Graphics

GraphicsIntel UHD Graphics 630Intel HD Graphics 615 Mobile
Base GPU Frequency350 MHzvs-
Max GPU Frequency1150 MHzvs-
DirectX12vs-
Displays Supported-vs-
Comparison

CPU Package and Version Specifications

Package Size149 mm˛vs-
Revision-vs-
PCIe Revision-vs-
PCIe Configurations-vs-

Gaming Performance Value

Performance Value

CPU Mini Review

Mini ReviewThe Intel Core i5-8400T 6-Core 1.7GHz is a low to mid-range power-efficient CPU based on Intel's 8th Gen 14nm Coffee Lake S microarchitecture. It offers 6 physical cores (6 logical), initially clocked at 1.7GHz across all six cores, rising to a maximum of 3.3GHz with Turbo Boost 2.0 enabled. The i5-8400T does not have an unlocked multiplier and therefore cannot be overclocked using traditional methods. It has 9MB of L3 Cache. Level 3 cache is a static memory bank of a processor and it is used to feed it instructions. The Core i3-8300T has support for up to 64GB of dual-channel DDR4-2400 memory. It has a maximum Thermal Power Design of 35W, making it a very power efficient processor. Among its many features are Intel Enhanced Speedstep, Turbo Boost 2.0, Virtualization, SSE3, AVX2 and SSE 4.2. This CPU is likely to offer average computational performance and could become a bottleneck in some of the most CPU-intensive AAA games from 2020 onward.The Pentium Gold G5600 2-Core 3.9GHz is a budget processor based on the 14nm Cofee Lake architecture. It offers 2 Physical Cores (4 Logical), clocked at 3.9GHz and 4MB of L3 Cache. Among its many features, Hyperthreading, Virtualization, and Enhanced SpeedStep are activated. The processor integrates Graphics called Intel UHD Graphics 610 (Kaby Lake), with 24 Execution Units, initially clocked at 350MHz and that go up to 1050MHz, in Turbo Mode which shares the L2 Cache and system RAM with the processor. It will struggle to run the latest AAA games at playable frame rates. Both the processor and integrated graphics have a rated board TDP of 51W. Intel's Pentium Gold G5600 3.9GHz offers average to good performance and is classified in the low to middle-class range of processors. This means it will become a bottleneck in some demanding applications, although gaming performance will be largely fine.