Select any two CPUs for comparison
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Gaming Performance Comparison

Recommended System Requirements
Game Celeron M 575 2.0GHz Sempron Mobile 4000+
Cyberpunk 2077 1732% 1718%
Red Dead Redemption 2 1768% 1755%
Call of Duty: Modern Warfare 1498% 1487%
Doom Eternal 1673% 1660%
Microsoft Flight Simulator 2208% 2191%
Planet Zoo 2056% 2040%
Grand Theft Auto VI 3030% 3007%
Need For Speed Heat 1722% 1709%
Warcraft 3: Reforged 357% 354%
Wolcen: Lords of Mayhem 1531% 1519%

In terms of overall gaming performance, the AMD Sempron Mobile 4000+ is marginally better than the Intel Celeron M 575 2.0GHz 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 Celeron M 575 was released over three years more recently than the Sempron Mobile 4000+, and so the Celeron M 575 is likely to have far better levels of support, and will be much more optimized and ultimately superior to the Sempron Mobile 4000+ 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 Celeron M 575 and the Sempron Mobile 4000+ 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 Celeron M 575 and the Sempron Mobile 4000+ 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 Celeron M 575 and Sempron Mobile 4000+ 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 Sempron Mobile 4000+ has a 0.2 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. As such, we need to look elsewhere for more reliable comparisons.

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 Celeron M 575 has a 512 KB bigger L2 cache than the Sempron Mobile 4000+, but neither of the CPUs have L3 caches, so the Celeron M 575 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.

Both the Celeron M 575 and the Sempron Mobile 4000+ have the same TDP of 31 Watts, and were created with the same manufacturing size of 65 nm, which means they will affect your yearly electricity bill about equally.

CPU Core Details

CPU CodenameMeromSherman
MoBo SocketSocket PSocket S1
Notebook CPUyesyes
Release Date19 Aug 200830 Nov -0001
CPU LinkGD LinkGD Link
Approved

CPU Technical Specifications

CPU Cores1vs1
Clock Speed2 GHzvs2.2 GHz
Turbo Frequency-vs-
Max TDP31 Wvs31 W
Lithography65 nmvs65 nm
Bit Width-vs-
Virtualization Technologynovsno
Comparison

CPU Cache and Memory

L1 Cache Size64 KBvs128 KB
L2 Cache Size1024 KBvs512 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 ReviewMerom is the code name for various Intel processors that are sold as Core 2 Duo, Core 2 Solo, Pentium Dual-Core and Celeron. It was the first mobile processor to be based on the Core microarchitecture, replacing the Enhanced Pentium M based Yonah processor. Merom has product code 80537, which is shared with Merom-2M and Merom-L that are very similar but have a smaller L2 cache. Merom-L has only one processor core and a different CPUID model. The desktop version of Merom is Conroe and the dual-socket server version is Woodcrest. Merom has subsequently been replaced by Penryn.Sempron has been the marketing name used by AMD for several different budget desktop CPUs, using several different technologies and CPU socket formats. The Sempron replaced the AMD Duron processor and competes against Intel's Celeron series of processors. AMD coined the name from the Latin semper, which means always, to suggest the Sempron is suitable for daily use, practical, and part of everyday life.

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