Select any two CPUs for comparison
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Gaming Performance Comparison

Recommended System Requirements
Game Pentium 4 HT 745 Xeon Processor 3.0GHz
Red Dead Redemption 2 1862% 1591%
Call of Duty: Modern Warfare 1354% 1154%
Zombieland: Double Tap - Road Trip 1862% 1591%
Cyberpunk 2077 1567% 1337%
Microsoft Flight Simulator 2033% 1739%
Borderlands 3 1862% 1591%
FIFA 20 1304% 1110%
The Outer Worlds 1617% 1380%
eFootball PES 2020 1513% 1291%
Ghost Recon Breakpoint 2067% 1768%

In terms of overall gaming performance, the Intel Xeon Processor 3.0GHz is marginally better than the Intel Pentium 4 HT 745 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 Xeon Processor 3.0GHz was released less than a year after the Pentium 4 HT, and so they are likely to have similar levels of support, and similarly optimized performance when running the latest games.

The Pentium 4 HT and the Xeon Processor 3.0GHz 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 HT and the Xeon Processor 3.0GHz 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 HT and Xeon Processor 3.0GHz 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 4 HT and the Xeon Processor 3.0GHz both have the same clock frequency, this is by no means an indicator that the two CPUs will provide the same level of performance. 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 Xeon Processor 3.0GHz has a 1536 KB bigger L2 cache than the Pentium 4 HT, but neither of the CPUs have L3 caches, so the Xeon Processor 3.0GHz 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 HT has a 28 Watt lower Maximum TDP than the Xeon Processor 3.0GHz. However, the Xeon Processor 3.0GHz was created with a 40 nm smaller manufacturing technology. Overall, by taking both into account, the Xeon Processor 3.0GHz is likely the CPU with the lower heat production and power requirements, by quite a wide margin.

CPU Core Details

CPU CodenameNorthwoodIrwindale
MoBo SocketSocket 478/Socket NSocket 604
Notebook CPUnono
Release Date14 Apr 200314 Feb 2005
CPU LinkGD LinkGD Link
Approved

CPU Technical Specifications

CPU Cores1vs1
Clock Speed3 GHzvs3 GHz
Turbo Frequency-vs-
System Bus 800 MHzvs-
Max TDP82 Wvs110 W
Lithography130 nmvs90 nm
Bit Width32 Bitvs-
Voltage Range1.25V-1.4V KBvs-
Max Temperature70°Cvs-
Virtualization Technologynovsno
Comparison

CPU Cache and Memory

L1 Cache Size-vs16 KB
L2 Cache Size512 KBvs2048 KB
L2 Cache Speed-vs-
L3 Cache Size-vs-
ECC Memory Supportnovsno
Comparison

CPU Graphics

Graphics
Base GPU Frequency-vs-
Max GPU Frequency-vs-
DirectX-vs-
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 4 CPUs introduced the SSE2 and, in the Prescott-based Pentium 4s, SSE3 instruction sets to accelerate calculations, transactions, media processing, 3D graphics, and games. Later versions featured Hyper-Threading Technology (HTT), a feature to make one physical CPU work as two logical CPUs. Intel also marketed a version of their low-end Celeron processors based on the NetBurst microarchitecture (often referred to as Celeron 4), and a high-end derivative, Xeon, intended for multiprocessor servers and workstations. In 2005, the Pentium 4 was complemented by the Pentium D and Pentium Extreme Edition dual-core CPUsThe Xeon is a brand of multiprocessing- or multi-socket-capable x86 microprocessors from Intel Corporation targeted at the non-consumer workstation, server, and embedded system markets.

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