Select any two CPUs for comparison
VS

Gaming Performance Comparison

Recommended System Requirements
Game Pentium 4 Mobile 3.2GHz Pentium M 1.5GHz
Cyberpunk 2077 2220% 2432%
Call of Duty Warzone 1925% 2109%
Grand Theft Auto VI 3865% 4227%
Assassins Creed: Valhalla 2823% 3090%
Minecraft: Dungeons 2220% 2432%
Maneater 2220% 2432%
Valorant 1298% 1426%
Saints Row 3 Remastered 2812% 3077%
Doom Eternal 3148% 3444%
Mount and Blade 2: Bannerlord 3577% 3913%

In terms of overall gaming performance, the Intel Pentium 4 Mobile 3.2GHz is marginally better than the Intel Pentium M 1.5GHz 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 Pentium M 1.5GHz was released less than a year after the Pentium 4 Mobile, and so they are likely to have similar levels of support, and similarly optimized performance when running the latest games.

Both CPUs exhibit very poor performance, so rather than upgrading from one to the other you should consider looking at more powerful CPUs. Neither of these will be able to run the latest games in any playable way.

The Pentium 4 Mobile and the Pentium M 1.5GHz both have 1 cores, and so are quite likely to struggle with the latest games, or at least bottleneck high-end graphics cards when running them. With a decent accompanying GPU, the Pentium 4 Mobile and the Pentium M 1.5GHz may still be able to run slightly older games fairly effectively.

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 4 Mobile and Pentium M 1.5GHz 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 Pentium 4 Mobile has a 1.7 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 Pentium M 1.5GHz has a 1024 KB bigger L2 cache than the Pentium 4 Mobile, but neither of the CPUs have L3 caches, so the Pentium M 1.5GHz wins out in this area with its larger L2 cache.

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 Pentium M 1.5GHz has a 67 Watt lower Maximum TDP than the Pentium 4 Mobile (though they were created with the same size 90 nm manufacturing technology). What this means is the Pentium M 1.5GHz 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).

CPU Core Details

CPU CodenamePrescottDothan
MoBo SocketSocket 478/Socket NSocket 479
Notebook CPUyesyes
Release Date01 Jun 200423 Jun 2004
CPU LinkGD LinkGD Link
Approved

CPU Technical Specifications

CPU Cores1vs1
Clock Speed3.2 GHzvs1.5 GHz
Turbo Frequency-vs-
System Bus -vs400 MHz
Max TDP88 Wvs21 W
Lithography90 nmvs90 nm
Bit Width-vs-
Virtualization Technologynovsno
Comparison

CPU Cache and Memory

L1 Cache Size16 KBvs64 KB
L2 Cache Size1024 KBvs2048 KB
L3 Cache Size-vs-
ECC Memory Supportnovsno
Comparison

CPU Graphics

Graphicsnono

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 Mobile Intel Pentium 4 Processor was released to address the problem of putting a full desktop Pentium 4 processor into a laptop, which some manufacturers were doing. The Mobile Pentium 4 used a 533 MHz FSB, following the desktop Pentium 4's evolution. Oddly, increasing the bus speed by 133 MHz (33 MHz core) caused a massive increase in TDPs, as mobile Pentium 4 processors gave off 59.8 W - 70 W of heat, with the Hyper-Threading variants giving off 66.1 W - 88 W. This allowed the mobile Pentium 4 to bridge the gap between the desktop Pentium 4 (giving off 115 W maximum), and the Pentium 4-M (giving off 35 W maximum).The Pentium M brand refers to a family of mobile single-core x86 microprocessors (with the modified Intel P6 microarchitecture) introduced in March 2003 (during the heyday of the Pentium 4 desktop CPUs), and forming a part of the Intel Carmel notebook platform under the then new Centrino brand. The Pentium M processors had a maximum thermal design power (TDP) of 5?27 W depending on the model, and were intended for use in laptops (thus the 'M' suffix standing for mobile). They evolved from the core of the last Pentium III?branded CPU by adding the front-side bus (FSB) interface of Pentium 4, an improved instruction decoding and issuing front end, improved branch prediction, SSE2 support, and a much larger cache. The first Pentium M?branded CPU, code-named Banias, was followed by Dothan. The Pentium M-branded processors were succeeded by the Core-branded dual-core mobile Yonah CPU with a modified microarchitecture.