Athlon X4 840 vs Xeon E5-2620

VS

Aggregate performance score

Xeon E5-2620
2012
6 cores / 12 threads, 95 Watt
3.33
+59.3%
Athlon X4 840
2014
4 cores / 4 threads, 65 Watt
2.09

Xeon E5-2620 outperforms Athlon X4 840 by an impressive 59% based on our aggregate benchmark results.

Primary details

Comparing Xeon E5-2620 and Athlon X4 840 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking15861890
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.73no data
Market segmentServerDesktop processor
Seriesno data4x Athlon
Power efficiency3.323.04
Architecture codenameSandy Bridge-EP (2012)Kaveri (2014−2015)
Release date6 March 2012 (12 years ago)August 2014 (10 years ago)
Launch price (MSRP)$36no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon E5-2620 and Athlon X4 840 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 GHz3.1 GHz
Boost clock speed2.5 GHz3.8 GHz
Bus rate7.2 GT/sno data
L1 cache64 KB (per core)256K
L2 cache256 KB (per core)4 MB
L3 cache15360 KB (shared)no data
Chip lithography32 nm28 nm
Die size435 mm2245 mm2
Maximum core temperature77 °Cno data
Maximum case temperature (TCase)no data72 °C
Number of transistors2,270 million2,411 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier-+

Compatibility

Information on Xeon E5-2620 and Athlon X4 840 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
SocketFCLGA2011Socket FM2+
Power consumption (TDP)95 Watt65 watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2620 and Athlon X4 840. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVXno data
AES-NI++
FMA-+
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 E5-2620 and Athlon X4 840 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 E5-2620 and Athlon X4 840 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 E5-2620 and Athlon X4 840. 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 E5-2620 and Athlon X4 840.

PCIe version3.03.0
PCI Express lanes4016

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 E5-2620 3.33
+59.3%
Athlon X4 840 2.09

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 E5-2620 5293
+59.5%
Athlon X4 840 3318

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 E5-2620 405
Athlon X4 840 448
+10.6%

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 E5-2620 1963
+75.3%
Athlon X4 840 1120

Gaming performance

Pros & cons summary


Performance score 3.33 2.09
Recency 6 March 2012 on August 2014
Physical cores 6 4
Threads 12 4
Chip lithography 32 nm 28 nm
Power consumption (TDP) 95 Watt 65 Watt

Xeon E5-2620 has a 59.3% higher aggregate performance score, and 50% more physical cores and 200% more threads.

Athlon X4 840, on the other hand, has an age advantage of 2 years, a 14.3% more advanced lithography process, and 46.2% lower power consumption.

The Xeon E5-2620 is our recommended choice as it beats the Athlon X4 840 in performance tests.

Be aware that Xeon E5-2620 is a server/workstation processor while Athlon X4 840 is a desktop one.


Should you still have questions on choice between Xeon E5-2620 and Athlon X4 840, ask them in Comments section, and we shall answer.

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Intel Xeon E5-2620
Xeon E5-2620
AMD Athlon X4 840
Athlon X4 840

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Community ratings

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Questions & comments

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