Intel Xeon E5-4640 vs E3-1280 v5

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Combined performance score

Xeon E3-1280 v5
5.48
+19.9%

E3-1280 v5 outperforms E5-4640 by 20% in our combined benchmark results.

General info

Comparing Xeon E3-1280 v5 and Xeon E5-4640 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking10511201
Place by popularitynot in top-100not in top-100
Value for money4.580.20
Market segmentServerServer
SeriesIntel Xeon E3no data
Architecture codenameSkylake-S (2015)Sandy Bridge-EP (2012)
Release date19 October 2015 (8 years old)14 May 2012 (11 years old)
Launch price (MSRP)$612$2,730
Current price$160 (0.3x MSRP)$2470 (0.9x MSRP)
Value for money

Performance per price, higher is better.

Xeon E3-1280 v5 has 2190% better value for money than Xeon E5-4640.

Technical specs

Xeon E3-1280 v5 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 cores4 (Quad-Core)8 (Octa-Core)
Threads816
Base clock speed3.7 GHz2.4 GHz
Boost clock speed4 GHz2.8 GHz
L1 cache64K (per core)64 KB (per core)
L2 cache256K (per core)256 KB (per core)
L3 cache8 MB (shared)20480 KB (shared)
Chip lithography14 nm32 nm
Die size160 mm2435 mm2
Number of transistors1,400 million2,270 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplierNoNo

Compatibility

Information on Xeon E3-1280 v5 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 configuration14
SocketFCLGA1151FCLGA2011
Power consumption (TDP)80 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1280 v5 and Xeon E5-4640. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® AVX
AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX+no data
Idle States++
Thermal Monitoring++
Flex Memory Accessno data+
Demand Based Switchingno data+
StatusDiscontinuedDiscontinued

Security technologies

Xeon E3-1280 v5 and Xeon E5-4640 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key+no data
MPX+no data
SGXYes with both Intel® SPS and Intel® MEno data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1280 v5 and Xeon E5-4640 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1280 v5 and Xeon E5-4640. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4DDR3
Maximum memory size64 GB384 GB
Max memory channels24
Maximum memory bandwidth34.1 GB/s51.2 GB/s
ECC memory support++

Graphics image quality

Maximum display resolutions supported by Xeon E3-1280 v5 and Xeon E5-4640 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4N/Ano data
Max resolution over eDPN/Ano data
Max resolution over DisplayPortN/Ano data
Max resolution over VGAN/Ano data

Graphics API support

APIs supported by Xeon E3-1280 v5 and Xeon E5-4640 integrated GPUs, sometimes API versions are included.

DirectXN/Ano data
OpenGLN/Ano data

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1280 v5 and Xeon E5-4640.

PCIe version3.03.0
PCI Express lanes1640

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 E3-1280 v5 5.48
+19.9%
Xeon E5-4640 4.57

E3-1280 v5 outperforms E5-4640 by 20% in our combined benchmark results.


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.

Benchmark coverage: 68%

Xeon E3-1280 v5 8410
+19.9%
Xeon E5-4640 7012

E3-1280 v5 outperforms E5-4640 by 20% in Passmark.

Gaming performance

Advantages and disadvantages


Performance score 5.48 4.57
Recency 19 October 2015 14 May 2012
Physical cores 4 8
Threads 8 16
Cost $612 $2730
Chip lithography 14 nm 32 nm
Power consumption (TDP) 80 Watt 95 Watt

The Xeon E3-1280 v5 is our recommended choice as it beats the Xeon E5-4640 in performance tests.


Should you still have questions on choice between Xeon E3-1280 v5 and Xeon E5-4640, ask them in Comments section, and we shall answer.

User ratings

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Xeon E3-1280 v5
Xeon E3-1280 v5
Intel Xeon E5-4640
Xeon E5-4640

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Questions and comments

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