Athlon 64 4000+ vs Athlon II X4 645

Aggregate performance score

Athlon II X4 645
2010
4 cores / 4 threads, 95 Watt
1.48
+605%
Athlon 64 4000+
2001
1 core / 1 thread, 89 Watt
0.21

Athlon II X4 645 outperforms Athlon 64 4000+ by a whopping 605% based on our aggregate benchmark results.

Primary details

Comparing Athlon II X4 645 and Athlon 64 4000+ processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking21553197
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.30no data
Market segmentDesktop processorDesktop processor
Power efficiency1.470.22
Architecture codenamePropus (2009−2011)San Diego (2001−2005)
Release date21 September 2010 (14 years ago)January 2001 (23 years ago)
Launch price (MSRP)$80$160

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Athlon II X4 645 and Athlon 64 4000+ 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)
Threads41
Base clock speed3.1 GHzno data
Boost clock speed3.1 GHz2.6 GHz
L1 cache128 KB (per core)128 KB
L2 cache512 KB (per core)512K
L3 cache0 KB0 KB
Chip lithography45 nm130 nm
Die size169 mm2230 mm2
Number of transistors300 million233 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Athlon II X4 645 and Athlon 64 4000+ 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
SocketAM3939
Power consumption (TDP)95 Watt89 Watt

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II X4 645 and Athlon 64 4000+. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3no data

Peripherals

Specifications and connection of peripherals supported by Athlon II X4 645 and Athlon 64 4000+.

PCIe version2.0no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Athlon II X4 645 1.48
+605%
Athlon 64 4000+ 0.21

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Athlon II X4 645 2348
+591%
Athlon 64 4000+ 340

Gaming performance

Pros & cons summary


Performance score 1.48 0.21
Physical cores 4 1
Threads 4 1
Chip lithography 45 nm 130 nm
Power consumption (TDP) 95 Watt 89 Watt

Athlon II X4 645 has a 604.8% higher aggregate performance score, 300% more physical cores and 300% more threads, and a 188.9% more advanced lithography process.

Athlon 64 4000+, on the other hand, has 6.7% lower power consumption.

The Athlon II X4 645 is our recommended choice as it beats the Athlon 64 4000+ in performance tests.


Should you still have questions on choice between Athlon II X4 645 and Athlon 64 4000+, ask them in Comments section, and we shall answer.

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AMD Athlon II X4 645
Athlon II X4 645
AMD Athlon 64 4000+
Athlon 64 4000+

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


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Questions & comments

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