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Gaming Performance Comparison

Recommended System Requirements
Game Pentium Extreme Edition 955 Core i5-4590T 2.0GHz
Cyberpunk 2077 360% 18%
Assassins Creed: Valhalla 519% 58%
Call of Duty: Black Ops Cold War 346% 14%
FIFA 21 330% 10%
Microsoft Flight Simulator 421% 33%
Watch Dogs Legion 519% 58%
World of Warcraft: Shadowlands 615% 83%
Horizon: Zero Dawn 421% 33%
Grand Theft Auto VI 656% 93%
Genshin Impact 248% 11%

In terms of overall gaming performance, the Intel Core i5-4590T 2.0GHz is massively better than the Intel Pentium Extreme Edition 955 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 i5-4590T 2.0GHz was released less than a year after the Pentium Extreme Edition, and so they are likely to have similar levels of support, and similarly optimized performance when running the latest games.

The Core i5-4590T 2.0GHz has 2 more cores than the Pentium Extreme Edition. With 4 cores, the Core i5-4590T 2.0GHz is much less likely to struggle with the latest games, or bottleneck high-end graphics cards when running them.

Both the Intel Pentium Extreme Edition 955 and the Intel Core i5-4590T 2.0GHz have the same number of threads. The Core i5-4590T 2.0GHz has one thread per physical core, whereas the Pentium Extreme Edition 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 Pentium Extreme Edition and Core i5-4590T 2.0GHz 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 Pentium Extreme Edition has a 1.467 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 Core i5-4590T 2.0GHz 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 Pentium Extreme Edition has a 3072 KB bigger L2 cache than the Core i5-4590T 2.0GHz, and although the Pentium Extreme Edition 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 Core i5-4590T 2.0GHz has a 95 Watt lower Maximum TDP than the Pentium Extreme Edition, and was created with a 43 nm smaller manufacturing technology. What this means is the Core i5-4590T 2.0GHz 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 i5-4590T 2.0GHz 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 Pentium Extreme Edition, 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 CodenameNetburstHaswell
MoBo SocketLGA 775/ Socket TLGA 1150
Notebook CPUnono
Release Date27 Dec 200514 May 2014
CPU LinkGD LinkGD Link
Approved

CPU Technical Specifications

CPU Cores2vs4
CPU Threads4vs4
Clock Speed3.467 GHzvs2 GHz
Turbo Frequency-vs3 GHz
Max TDP130 Wvs35 W
Lithography65 nmvs22 nm
Bit Width64 Bitvs64 Bit
Max Temperature69°Cvs100°C
Virtualization Technologynovsno
Comparison

CPU Cache and Memory

L1 Cache Size32 KBvs256 KB
L2 Cache Size4096 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 ReviewPentium Extreme Edition 955 is a performance Processor based on the 65nm, Netburst architecture.
It offers 2 Physical Cores (4 Logical), clocked at 3.467GHz and 4MB of L2 Cache.
Among its many features, HyperThreading and Virtualization are activated.

The processor DOES NOT integrate any graphics. and has a rated board TDP of 130W.

Its performance lies close to AMD's 64 X2 Processors.
Core i5-4590T 2.0GHz is a super energy efficient CPU based on the 22nm, Haswell architecture.

It offers 4 Physical Cores (4 Logical), initially clocked at 2.0GHz, which may go up to 3.0GHz 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 1150MHz, 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 65W.

Its performance is very good and sufficient for extreme gaming.