Select any two CPUs for comparison
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Gaming Performance Comparison

Recommended System Requirements
Game Pentium 4 Mobile M1.9GHz Athlon XP Mobile 1800+
Cyberpunk 2077 3285% 2833%
Assassins Creed: Valhalla 4458% 3849%
Call of Duty: Black Ops Cold War 3180% 2742%
FIFA 21 3066% 2643%
Microsoft Flight Simulator 3735% 3222%
World of Warcraft: Shadowlands 5163% 4460%
Watch Dogs Legion 4458% 3849%
Horizon: Zero Dawn 3735% 3222%
Grand Theft Auto VI 5464% 4721%
Genshin Impact 2463% 2121%

In terms of overall gaming performance, the AMD Athlon XP Mobile 1800+ is marginally better than the Intel Pentium 4 Mobile M1.9GHz 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 4 Mobile was released less than a year after the Athlon XP 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 Athlon XP Mobile 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 Athlon XP Mobile 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 Athlon XP Mobile 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 0.367 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 enough that it possibly indicates the superiority of the .

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 4 Mobile has a 256 KB bigger L2 cache than the Athlon XP Mobile, but neither of the CPUs have L3 caches, so the Pentium 4 Mobile 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 4 Mobile has a 34 Watt lower Maximum TDP than the Athlon XP Mobile, and was created with a 50 nm smaller manufacturing technology. What this means is the Pentium 4 Mobile 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 CodenameNorthwoodThoroughbred (Model 8)
MoBo SocketSocket 478/Socket NSocket 462/Socket A
Notebook CPUyesyes
Release Date24 Jun 200209 Oct 2001
CPU LinkGD LinkGD Link
Approved

CPU Technical Specifications

CPU Cores1vs1
Clock Speed1.9 GHzvs1.533 GHz
Turbo Frequency-vs-
Max TDP32 Wvs66 W
Lithography130 nmvs180 nm
Bit Width-vs-
Virtualization Technologynovsno
Comparison

CPU Cache and Memory

L1 Cache Size16 KBvs128 KB
L2 Cache Size512 KBvs256 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 Athlon made its debut on June 23, 1999. Athlon is the ancient Greek word for Champion/trophy of the games.
Athlon is the brand name applied to a series of x86-compatible microprocessors designed and manufactured by Advanced Micro Devices (AMD). The original Athlon (now called Athlon Classic) was the first seventh-generation x86 processor and retained the initial performance lead it had over Intel's competing processors for a significant period of time. The original Athlon also had the distinction of being the first desktop processor to reach speeds of one gigahertz (GHz). AMD has continued using the Athlon name with the Athlon 64, an eighth-generation processor featuring x86-64 (later renamed AMD64) architecture, and the Athlon II.