Opteron 6378 vs Xeon L5640

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Aggregate performance score

Xeon L5640
2010
6 cores / 12 threads, 60 Watt
3.04
Opteron 6378
2012
16 cores / 16 threads, 115 Watt
3.85
+26.6%

Opteron 6378 outperforms Xeon L5640 by a significant 27% based on our aggregate benchmark results.

Primary details

Comparing Xeon L5640 and Opteron 6378 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking16461476
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.581.33
Market segmentServerServer
Power efficiency4.623.05
Architecture codenameWestmere-EP (2010−2011)Abu Dhabi (2012)
Release date16 March 2010 (14 years ago)5 November 2012 (12 years ago)
Launch price (MSRP)$200$396

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon L5640 has 19% better value for money than Opteron 6378.

Detailed specifications

Xeon L5640 and Opteron 6378 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)16 (Hexadeca-Core)
Threads1216
Base clock speed2.26 GHz2.4 GHz
Boost clock speed2.8 GHz3.3 GHz
L1 cache64 KB (per core)768 KB
L2 cache256 KB (per core)16 MB
L3 cache12 MB (shared)8 MB (per die)
Chip lithography32 nm32 nm
Die size239 mm2315 mm2
Maximum core temperature69 °Cno data
Number of transistors1,170 million2,400 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Xeon L5640 and Opteron 6378 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 configuration24
SocketFCLGA1366,LGA1366G34
Power consumption (TDP)60 Watt115 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon L5640 and Opteron 6378. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2no data
AES-NI++
FMA-+
AVX-+
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology1.0no data
Hyper-Threading Technology+no data
Idle States+no data
Demand Based Switching+no data
PAE40 Bitno data

Security technologies

Xeon L5640 and Opteron 6378 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 L5640 and Opteron 6378 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 L5640 and Opteron 6378. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size288 GBno data
Max memory channels3no data
Maximum memory bandwidth32 GB/sno data
ECC memory support+-

Peripherals

Specifications and connection of peripherals supported by Xeon L5640 and Opteron 6378.

PCIe version2.02.0

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 L5640 3.04
Opteron 6378 3.85
+26.6%

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 L5640 4645
Opteron 6378 5889
+26.8%

Gaming performance

Pros & cons summary


Performance score 3.04 3.85
Recency 16 March 2010 5 November 2012
Physical cores 6 16
Threads 12 16
Power consumption (TDP) 60 Watt 115 Watt

Xeon L5640 has 91.7% lower power consumption.

Opteron 6378, on the other hand, has a 26.6% higher aggregate performance score, an age advantage of 2 years, and 166.7% more physical cores and 33.3% more threads.

The Opteron 6378 is our recommended choice as it beats the Xeon L5640 in performance tests.


Should you still have questions on choice between Xeon L5640 and Opteron 6378, ask them in Comments section, and we shall answer.

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Intel Xeon L5640
Xeon L5640
AMD Opteron 6378
Opteron 6378

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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

Here you can ask a question about Xeon L5640 or Opteron 6378, agree or disagree with our judgements, or report an error or mismatch.