Pentium 4 HT 651 vs Athlon 64 X2 4000+

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Primary details

Comparing Athlon 64 X2 4000+ and Pentium 4 HT 651 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2962not rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiency0.47no data
Architecture codenameWindsor (2006−2007)Cedar Mill (2006)
Release dateMay 2006 (18 years ago)January 2006 (18 years ago)

Detailed specifications

Athlon 64 X2 4000+ and Pentium 4 HT 651 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 cores2 (Dual-core)1 (Single-Core)
Threads22
Boost clock speed2 GHz3.4 GHz
L1 cache256 KB28 KB
L2 cache512K2 MB
L3 cache0 KB0 KB
Chip lithography90 nm65 nm
Die size220 mm281 mm2
Number of transistors154 million188 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Athlon 64 X2 4000+ and Pentium 4 HT 651 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
SocketAM2775
Power consumption (TDP)89 Watt86 Watt

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon 64 X2 4000+ and Pentium 4 HT 651. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR1, DDR2, DDR3

Pros & cons summary


Physical cores 2 1
Chip lithography 90 nm 65 nm
Power consumption (TDP) 89 Watt 86 Watt

Athlon 64 X2 4000+ has 100% more physical cores.

Pentium 4 HT 651, on the other hand, has a 38.5% more advanced lithography process, and 3.5% lower power consumption.

We couldn't decide between Athlon 64 X2 4000+ and Pentium 4 HT 651. We've got no test results to judge.


Should you still have questions on choice between Athlon 64 X2 4000+ and Pentium 4 HT 651, ask them in Comments section, and we shall answer.

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AMD Athlon 64 X2 4000+
Athlon 64 X2 4000+
Intel Pentium 4 HT 651
Pentium 4 HT 651

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Community ratings

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3.1 191 vote

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2.3 15 votes

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Questions & comments

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