Pentium 4 HT 521 vs Phenom II X4 945 (95W)

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Primary details

Comparing Phenom II X4 945 (95W) and Pentium 4 HT 521 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Architecture codenameDeneb (2009−2011)Prescott (2001−2005)
Release date22 July 2009 (15 years ago)June 2005 (19 years ago)

Detailed specifications

Phenom II X4 945 (95W) and Pentium 4 HT 521 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores4 (Quad-Core)1 (Single-Core)
Threads42
Base clock speed3 GHzno data
Boost clock speed3 GHz2.8 GHz
L1 cache128 KB (per core)16 KB
L2 cache512 KB (per core)1 MB
L3 cache6 MB (shared)0 KB
Chip lithography45 nm90 nm
Die size258 mm2109 mm2
Number of transistors758 million125 million
64 bit support+-
Windows 11 compatibility--

Compatibility

Information on Phenom II X4 945 (95W) and Pentium 4 HT 521 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketAM3775
Power consumption (TDP)95 Watt84 Watt

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom II X4 945 (95W) and Pentium 4 HT 521 are enumerated here.

AMD-V+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X4 945 (95W) and Pentium 4 HT 521. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR1, DDR2, DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)no data

Peripherals

Specifications and connection of peripherals supported by Phenom II X4 945 (95W) and Pentium 4 HT 521.

PCIe version2.0no data

Pros & cons summary


Physical cores 4 1
Threads 4 2
Chip lithography 45 nm 90 nm
Power consumption (TDP) 95 Watt 84 Watt

Phenom II X4 945 (95W) has 300% more physical cores and 100% more threads, and a 100% more advanced lithography process.

Pentium 4 HT 521, on the other hand, has 13.1% lower power consumption.

We couldn't decide between Phenom II X4 945 (95W) and Pentium 4 HT 521. We've got no test results to judge.


Should you still have questions on choice between Phenom II X4 945 (95W) and Pentium 4 HT 521, ask them in Comments section, and we shall answer.

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AMD Phenom II X4 945 (95W)
Phenom II X4 945 (95W)
Intel Pentium 4 HT 521
Pentium 4 HT 521

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Community ratings

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