6.5
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8.3
Check Prices $192
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Gaming Performance Comparison

Recommended System Requirements
Game Core i5-9400T 6-Core 1.8GHz Core i5-9500 6-Core 3.0GHz
Red Dead Redemption 2 7% 4%
Call of Duty: Modern Warfare 21% 29%
Halo: Reach 56% 60%
Star Wars: Jedi - Fallen Order 18% 6%
Borderlands 3 7% 4%
Cyberpunk 2077 9% 19%
FIFA 20 23% 31%
Fortnite: Chapter 2 41% 47%
eFootball PES 2020 12% 21%
Halo: The Master Chief Collection 7% 4%

In terms of overall gaming performance, the Intel Core i5-9500 6-Core 3.0GHz is massively better than the Intel Core i5-9400T 6-Core 1.8GHz 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.

Both the Core i5-9400T 6-Core 1.8GHz and the Core i5-9500 6-Core 3.0GHz 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 Core i5-9400T 6-Core and the Core i5-9500 6-Core both have 6 cores, which is not likely to be a limiting factor for gaming.

Both the Intel Core i5-9400T 6-Core 1.8GHz and the Intel Core i5-9500 6-Core 3.0GHz 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 Core i5-9400T 6-Core and the Core i5-9500 6-Core 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 1.2 GHz faster base clock rate, the Core i5-9500 6-Core manages to provide massively better performance than the Core i5-9400T 6-Core. What is more, the Core i5-9500 6-Core also manages to eke 1 GHz higher frequency when being stressed by CPU-intensive applications.

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 i5-9400T 6-Core and the Core i5-9500 6-Core have the same L2 cache size, and the same L3 cache size, so in terms of cache-related gaming performance, we have to look back to the clock rate, where the Core i5-9500 6-Core wins out.

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 i5-9400T 6-Core has a 30 Watt lower Maximum TDP than the Core i5-9500 6-Core (though they were created with the same size 14 nm manufacturing technology). What this means is the Core i5-9400T 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 i5-9400T 6-Core and the Core i5-9500 6-Core 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 RCoffee Lake R
MoBo SocketLGA 1151LGA 1151
Notebook CPUnono
Release Date23 Apr 201923 Apr 2019
CPU LinkGD LinkGD Link
Approved

CPU Technical Specifications

CPU Cores6vs6
CPU Threads6vs6
Clock Speed1.8 GHzvs3 GHz
Turbo Frequency3.4 GHzvs4.4 GHz
Max TDP35 Wvs65 W
Lithography14 nmvs14 nm
Bit Width64 Bitvs64 Bit
Virtualization Technologynovsno
Comparison

CPU Cache and Memory

L1 Cache Size384 KBvs384 KB
L2 Cache Size1536 KBvs1536 KB
L3 Cache Size9 MBvs9 MB
Max Memory Size-vs128 GB
Memory Channels-vs2
ECC Memory Supportnovsno
Comparison

CPU Graphics

GraphicsIntel UHD Graphics 630Intel UHD Graphics 630
Base GPU Frequency350 MHzvs350 MHz
Max GPU Frequency1150 MHzvs1150 MHz
DirectX12vs12
Displays Supported-vs-
Comparison

CPU Package and Version Specifications

Package Size37.5mm x 37.5mmvs37.5mm x 37.5mm
Revision-vs-
PCIe Revision-vs-
PCIe Configurations-vs-

Gaming Performance Value

Performance Value

CPU Mini Review

Mini ReviewThe Core i5-9400T 6-Core 1.8GHz is a mid-range CPU based on a refinement of the 14nm++ Coffee Lake microarchitecture. The 'T' suffix indicates this a low-power draw variant. It offers 6 physical cores (6 logical), initially clocked at 1.8GHz, which may go up to 3.4GHz using 6 cores with Turbo Boost. The i5-9500F has 9MB of L3 Cache. This chip supports up to 128GB DDR-2666 MHz memory and features Intel UHD 630 integrated graphics. Among its many features, Turbo Boost 2.0, Optane Memory Support, and Virtualization are activated, and its multiplier is not unlocked. This Core i5-9500T CPU offers average gaming performance and should not be a major bottleneck in any modern gaming PC in 2019. It will be able to play all modern games at 60fps comfortably on ultra graphics performance at any supported resolution without being a hindrance to the accompanying GPU. However, performance may become bottlenecked if playing at 144Hz and 1080p or lower screen resolution.The Core i5-9500 6-Core 3.0GHz is a mid-range CPU based on a refinement of the 14nm++ Coffee Lake microarchitecture. It is identical to the Core i5-9500F except it features integrated graphics. It offers 6 physical cores (6 logical), initially clocked at 3.0GHz, which may go up to 4.4GHz using 6 cores with Turbo Boost. The i5-9500 has 9MB of L3 Cache. This chip supports up to 128GB DDR-2666 MHz memory and features Intel UHD 630 integrated graphics. Among its many features, Turbo Boost 2.0, Optane Memory Support, and Virtualization are activated, and its multiplier is not unlocked. This Core i5-9500 CPU offers above average gaming performance and should not be the bottleneck in any modern gaming PC in 2019. It will be able to play all modern games at 60fps comfortably on ultra graphics performance at any supported resolution without being a hindrance to the accompanying GPU. However, performance may become bottlenecked if playing at 144Hz.

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