Athlon II X4 640 vs Xeon E5450

VS

Aggregate performance score

Xeon E5450
2007
80 Watt
1.63
+15.6%
Athlon II X4 640
2010
4 cores / 4 threads, 95 Watt
1.41

Xeon E5450 outperforms Athlon II X4 640 by a moderate 16% based on our aggregate benchmark results.

Primary details

Comparing Xeon E5450 and Athlon II X4 640 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking20952214
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data2.92
Market segmentServerDesktop processor
Power efficiency1.931.40
Architecture codenameno dataPropus (2009−2011)
Release date1 October 2007 (17 years ago)11 May 2010 (14 years ago)
Launch price (MSRP)no data$80

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon E5450 and Athlon II X4 640 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 coresno data4 (Quad-Core)
Threadsno data4
Base clock speed3 GHz3 GHz
Boost clock speedno data3 GHz
L1 cacheno data128 KB (per core)
L2 cacheno data512 KB (per core)
L3 cache12 MB L2 Cache0 KB
Chip lithography45 nm45 nm
Die sizeno data169 mm2
Maximum core temperature67 °Cno data
Number of transistorsno data300 million
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.35Vno data

Compatibility

Information on Xeon E5450 and Athlon II X4 640 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 configurationno data1
SocketLGA771AM3
Power consumption (TDP)80 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5450 and Athlon II X4 640. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+-
Demand Based Switching+no data
FSB parity+no data

Security technologies

Xeon E5450 and Athlon II X4 640 technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5450 and Athlon II X4 640 are enumerated here.

VT-x+no data
EPT-no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5450 and Athlon II X4 640. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR3

Peripherals

Specifications and connection of peripherals supported by Xeon E5450 and Athlon II X4 640.

PCIe versionno data2.0

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.

Xeon E5450 1.63
+15.6%
Athlon II X4 640 1.41

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.

Xeon E5450 2582
+15%
Athlon II X4 640 2245

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Xeon E5450 389
+24.3%
Athlon II X4 640 313

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Xeon E5450 1100
+15.9%
Athlon II X4 640 949

Gaming performance

Pros & cons summary


Performance score 1.63 1.41
Recency 1 October 2007 11 May 2010
Power consumption (TDP) 80 Watt 95 Watt

Xeon E5450 has a 15.6% higher aggregate performance score, and 18.8% lower power consumption.

Athlon II X4 640, on the other hand, has an age advantage of 2 years.

The Xeon E5450 is our recommended choice as it beats the Athlon II X4 640 in performance tests.

Be aware that Xeon E5450 is a server/workstation processor while Athlon II X4 640 is a desktop one.


Should you still have questions on choice between Xeon E5450 and Athlon II X4 640, ask them in Comments section, and we shall answer.

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Intel Xeon E5450
Xeon E5450
AMD Athlon II X4 640
Athlon II X4 640

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Community ratings

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Questions & comments

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