Athlon II X4 651 vs Xeon E5-2640 v3

VS

Aggregate performance score

Xeon E5-2640 v3
2014
8 cores / 16 threads, 90 Watt
7.00
+210%
Athlon II X4 651
2011
4 cores / 4 threads, 100 Watt
2.26

Xeon E5-2640 v3 outperforms Athlon II X4 651 by a whopping 210% based on our aggregate benchmark results.

Primary details

Comparing Xeon E5-2640 v3 and Athlon II X4 651 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking10091830
Place by popularitynot in top-100not in top-100
Market segmentServerDesktop processor
Power efficiency7.362.14
Architecture codenameHaswell-EP (2014−2015)Llano (2011−2012)
Release date8 September 2014 (10 years ago)14 November 2011 (13 years ago)

Detailed specifications

Xeon E5-2640 v3 and Athlon II X4 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 cores8 (Octa-Core)4 (Quad-Core)
Threads164
Base clock speed2.6 GHz3 GHz
Boost clock speed3.4 GHz3 GHz
Bus rate8 GT/sno data
L1 cache64K (per core)128 KB (per core)
L2 cache256K (per core)1 MB (per core)
L3 cache20 MB (shared)0 KB
Chip lithography22 nm32 nm
Die size356 mm2228 mm2
Maximum core temperature74 °Cno data
Number of transistors2,600 million1,178 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Xeon E5-2640 v3 and Athlon II X4 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 configuration21
SocketFCLGA2011FM1
Power consumption (TDP)90 Watt100 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2640 v3 and Athlon II X4 651. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVX2no data
AES-NI+-
AVX+-
vPro+no data
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
Flex Memory Access-no data
Demand Based Switching+no data
PAE46 Bitno data

Security technologies

Xeon E5-2640 v3 and Athlon II X4 651 technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data
Secure Key+no data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2640 v3 and Athlon II X4 651 are enumerated here.

AMD-V-+
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 v3 and Athlon II X4 651. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-1600, DDR4-1866DDR3
Maximum memory size768 GBno data
Max memory channels4no data
Maximum memory bandwidth59 GB/sno data
ECC memory support+-

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2640 v3 and Athlon II X4 651.

PCIe version3.0no data
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 v3 7.00
+210%
Athlon II X4 651 2.26

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 v3 11121
+210%
Athlon II X4 651 3584

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 v3 1054
+217%
Athlon II X4 651 333

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 v3 5473
+394%
Athlon II X4 651 1108

Gaming performance

Pros & cons summary


Performance score 7.00 2.26
Recency 8 September 2014 14 November 2011
Physical cores 8 4
Threads 16 4
Chip lithography 22 nm 32 nm
Power consumption (TDP) 90 Watt 100 Watt

Xeon E5-2640 v3 has a 209.7% higher aggregate performance score, an age advantage of 2 years, 100% more physical cores and 300% more threads, a 45.5% more advanced lithography process, and 11.1% lower power consumption.

The Xeon E5-2640 v3 is our recommended choice as it beats the Athlon II X4 651 in performance tests.

Be aware that Xeon E5-2640 v3 is a server/workstation processor while Athlon II X4 651 is a desktop one.


Should you still have questions on choice between Xeon E5-2640 v3 and Athlon II X4 651, ask them in Comments section, and we shall answer.

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Intel Xeon E5-2640 v3
Xeon E5-2640 v3
AMD Athlon II X4 651
Athlon II X4 651

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Community ratings

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