Athlon II X4 640 vs Xeon E5-2640

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Aggregate performance score

Xeon E5-2640
2012
6 cores / 12 threads, 95 Watt
3.96
+181%
Athlon II X4 640
2010
4 cores / 4 threads, 95 Watt
1.41

Xeon E5-2640 outperforms Athlon II X4 640 by a whopping 181% based on our aggregate benchmark results.

Primary details

Comparing Xeon E5-2640 and Athlon II X4 640 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking14382214
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.942.92
Market segmentServerDesktop processor
Power efficiency3.941.40
Architecture codenameSandy Bridge-EP (2012)Propus (2009−2011)
Release date6 March 2012 (12 years ago)11 May 2010 (14 years ago)
Launch price (MSRP)$162$80

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E5-2640 has 35% better value for money than Athlon II X4 640.

Detailed specifications

Xeon E5-2640 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 cores6 (Hexa-Core)4 (Quad-Core)
Threads124
Base clock speed2.5 GHz3 GHz
Boost clock speed3 GHz3 GHz
Bus rate7.2 GT/sno data
L1 cache64 KB (per core)128 KB (per core)
L2 cache256 KB (per core)512 KB (per core)
L3 cache15360 KB (shared)0 KB
Chip lithography32 nm45 nm
Die size435 mm2169 mm2
Maximum core temperature73 °Cno data
Number of transistors2,270 million300 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Xeon E5-2640 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 configuration21
SocketFCLGA2011AM3
Power consumption (TDP)95 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2640 and Athlon II X4 640. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVXno data
AES-NI+-
AVX+-
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology1.0no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
Flex Memory Access-no data
Demand Based Switching+no data

Security technologies

Xeon E5-2640 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 E5-2640 and Athlon II X4 640 are enumerated here.

VT-d+no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2640 and Athlon II X4 640. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size384 GBno data
Max memory channels4no data
Maximum memory bandwidth42.6 GB/sno data
ECC memory support+-

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2640 and Athlon II X4 640.

PCIe version3.02.0
PCI Express lanes40no 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.

Xeon E5-2640 3.96
+181%
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 E5-2640 6294
+180%
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 E5-2640 454
+45%
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 E5-2640 2308
+143%
Athlon II X4 640 949

Gaming performance

Pros & cons summary


Performance score 3.96 1.41
Recency 6 March 2012 11 May 2010
Physical cores 6 4
Threads 12 4
Chip lithography 32 nm 45 nm

Xeon E5-2640 has a 180.9% higher aggregate performance score, an age advantage of 1 year, 50% more physical cores and 200% more threads, and a 40.6% more advanced lithography process.

The Xeon E5-2640 is our recommended choice as it beats the Athlon II X4 640 in performance tests.

Be aware that Xeon E5-2640 is a server/workstation processor while Athlon II X4 640 is a desktop one.


Should you still have questions on choice between Xeon E5-2640 and Athlon II X4 640, ask them in Comments section, and we shall answer.

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Intel Xeon E5-2640
Xeon E5-2640
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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