Xeon E5-4640 vs EPYC 7551

VS

Aggregate performance score

EPYC 7551
2017
32 cores / 64 threads, 180 Watt
16.34
+271%
Xeon E5-4640
2012
8 cores / 16 threads, 95 Watt
4.41

EPYC 7551 outperforms Xeon E5-4640 by a whopping 271% based on our aggregate benchmark results.

Primary details

Comparing EPYC 7551 and Xeon E5-4640 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking4091342
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.270.29
Market segmentServerServer
SeriesAMD EPYCno data
Power efficiency8.594.39
Architecture codenameNaples (2017−2018)Sandy Bridge-EP (2012)
Release date20 June 2017 (7 years ago)14 May 2012 (12 years ago)
Launch price (MSRP)$3,400$2,730

Cost-effectiveness evaluation

Performance per price, higher is better.

EPYC 7551 has 338% better value for money than Xeon E5-4640.

Detailed specifications

EPYC 7551 and Xeon E5-4640 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 cores32 (Dotriaconta-Core)8 (Octa-Core)
Threads6416
Base clock speed2 GHz2.4 GHz
Boost clock speed2 GHz2.8 GHz
Bus rateno data8 GT/s
Multiplier20no data
L1 cache3 MB64 KB (per core)
L2 cache16 MB256 KB (per core)
L3 cache64 MB (shared)20480 KB (shared)
Chip lithography14 nm32 nm
Die size213 mm2435 mm2
Number of transistors19200 Million2,270 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on EPYC 7551 and Xeon E5-4640 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 configuration2 (Multiprocessor)4
SocketTR4FCLGA2011
Power consumption (TDP)180 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7551 and Xeon E5-4640. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® AVX
AES-NI++
AVX++
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
Idle Statesno data+
Thermal Monitoring-+
Flex Memory Accessno data+
Demand Based Switchingno data+

Security technologies

EPYC 7551 and Xeon E5-4640 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7551 and Xeon E5-4640 are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7551 and Xeon E5-4640. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Eight-channelDDR3
Maximum memory size2 TiB384 GB
Max memory channels84
Maximum memory bandwidth170.671 GB/s51.2 GB/s
ECC memory support++

Peripherals

Specifications and connection of peripherals supported by EPYC 7551 and Xeon E5-4640.

PCIe version3.03.0
PCI Express lanes12840

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.

EPYC 7551 16.34
+271%
Xeon E5-4640 4.41

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.

EPYC 7551 25960
+270%
Xeon E5-4640 7012

Gaming performance

Pros & cons summary


Performance score 16.34 4.41
Recency 20 June 2017 14 May 2012
Physical cores 32 8
Threads 64 16
Chip lithography 14 nm 32 nm
Power consumption (TDP) 180 Watt 95 Watt

EPYC 7551 has a 270.5% higher aggregate performance score, an age advantage of 5 years, 300% more physical cores and 300% more threads, and a 128.6% more advanced lithography process.

Xeon E5-4640, on the other hand, has 89.5% lower power consumption.

The EPYC 7551 is our recommended choice as it beats the Xeon E5-4640 in performance tests.


Should you still have questions on choice between EPYC 7551 and Xeon E5-4640, ask them in Comments section, and we shall answer.

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AMD EPYC 7551
EPYC 7551
Intel Xeon E5-4640
Xeon E5-4640

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


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Questions & comments

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