A10-5800B vs Xeon E5-2666 V3

VS

Aggregate performance score

Xeon E5-2666 V3
2014
10 cores / 20 threads, 135 Watt
8.93
+368%
A10-5800B
2012
4 cores / 4 threads, 100 Watt
1.91

Xeon E5-2666 V3 outperforms A10-5800B by a whopping 368% based on our aggregate benchmark results.

Primary details

Comparing Xeon E5-2666 V3 and A10-5800B processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking8561957
Place by popularitynot in top-100not in top-100
Market segmentServerDesktop processor
Power efficiency6.261.81
Architecture codenameHaswell-EP (2014−2015)Trinity (2012−2013)
Release date13 November 2014 (10 years ago)2 October 2012 (12 years ago)

Detailed specifications

Xeon E5-2666 V3 and A10-5800B 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 cores10 (Deca-Core)4 (Quad-Core)
Threads204
Base clock speed2.9 GHz3.8 GHz
Boost clock speed3.5 GHz4.2 GHz
L1 cache64K (per core)128 KB (per core)
L2 cache256K (per core)1 MB (per core)
L3 cache25 MB (shared)0 KB
Chip lithography22 nm32 nm
Die size356 mm2246 mm2
Maximum case temperature (TCase)no data74 °C
Number of transistors2,600 million1,178 million
64 bit support++
Windows 11 compatibilityno data-

Compatibility

Information on Xeon E5-2666 V3 and A10-5800B 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
Socket2011-3FM2
Power consumption (TDP)135 Watt100 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2666 V3 and A10-5800B. You'll probably need this information if you require some particular technology.

AES-NI+-
AVX+-
vPro+no data
Enhanced SpeedStep (EIST)+no data
TSX+-

Security technologies

Xeon E5-2666 V3 and A10-5800B technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2666 V3 and A10-5800B are enumerated here.

AMD-V-+
VT-d+no data
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2666 V3 and A10-5800B. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4 2133 MHz Quad-channelDDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon HD 7660D

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2666 V3 and A10-5800B.

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 E5-2666 V3 8.93
+368%
A10-5800B 1.91

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 E5-2666 V3 14191
+368%
A10-5800B 3034

Gaming performance

Pros & cons summary


Performance score 8.93 1.91
Recency 13 November 2014 2 October 2012
Physical cores 10 4
Threads 20 4
Chip lithography 22 nm 32 nm
Power consumption (TDP) 135 Watt 100 Watt

Xeon E5-2666 V3 has a 367.5% higher aggregate performance score, an age advantage of 2 years, 150% more physical cores and 400% more threads, and a 45.5% more advanced lithography process.

A10-5800B, on the other hand, has 35% lower power consumption.

The Xeon E5-2666 V3 is our recommended choice as it beats the A10-5800B in performance tests.

Be aware that Xeon E5-2666 V3 is a server/workstation processor while A10-5800B is a desktop one.


Should you still have questions on choice between Xeon E5-2666 V3 and A10-5800B, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Xeon E5-2666 V3
Xeon E5-2666 V3
AMD A10-5800B
A10-5800B

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Community ratings

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4.4 3122 votes

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Questions & comments

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