Core i3-7020U vs Xeon E5-2666 V3

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Aggregate performance score

Xeon E5-2666 V3
2014
10 cores / 20 threads, 135 Watt
9.26
+458%

Xeon E5-2666 V3 outperforms Core i3-7020U by a whopping 458% based on our aggregate benchmark results.

Primary details

Comparing Xeon E5-2666 V3 and Core i3-7020U processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking7751978
Place by popularitynot in top-10095
Market segmentServerLaptop
Seriesno dataIntel Core i3
Architecture codenameHaswell-EP (2014)Kaby Lake (2016−2019)
Release date13 November 2014 (9 years ago)30 August 2016 (7 years ago)
Launch price (MSRP)no data$281
Current price$59 $553 (2x MSRP)

Detailed specifications

Xeon E5-2666 V3 and Core i3-7020U 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)2 (Dual-core)
Threads204
Base clock speed2.9 GHz2.3 GHz
Boost clock speed3.5 GHz2.3 GHz
L1 cache64K (per core)128 KB
L2 cache256K (per core)512 KB
L3 cache25 MB (shared)3 MB
Chip lithography22 nm14 nm
Die size356 mm2no data
Maximum core temperatureno data100 °C
Number of transistors2,600 millionno data
64 bit support++
Windows 11 compatibilityno data-
Unlocked multiplierNoNo

Compatibility

Information on Xeon E5-2666 V3 and Core i3-7020U 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
Socket2011-3FCBGA1356,FC-BGA1356,FPBGA1356
Power consumption (TDP)135 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2666 V3 and Core i3-7020U. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
My WiFino data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data+
TSX+-
Idle Statesno data+
Thermal Monitoringno data+
Flex Memory Accessno data+
SIPPno data-
Smart Responseno data+
Statusno dataDiscontinued

Security technologies

Xeon E5-2666 V3 and Core i3-7020U technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDBno data+
Secure Keyno data+
MPXno data+
Identity Protectionno data+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2666 V3 and Core i3-7020U are enumerated here.

AMD-Vno data+
VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2666 V3 and Core i3-7020U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR42133 MHz Quad-channelDDR4
Maximum memory sizeno data32 GB
Max memory channelsno data2
Maximum memory bandwidthno data34.1 GB/s
ECC memory supportno data-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel HD Graphics 620
Max video memoryno data32 GB
Quick Sync Videono data+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data1 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Xeon E5-2666 V3 and Core i3-7020U integrated GPUs.

Number of displays supportedno data3
eDPno data+
DisplayPortno data+
HDMIno data+
DVIno data+

Graphics image quality

Maximum display resolutions supported by Xeon E5-2666 V3 and Core i3-7020U integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2304@24Hz
Max resolution over eDPno data4096x2304@60Hz
Max resolution over DisplayPortno data4096x2304@60Hz

Graphics API support

APIs supported by Xeon E5-2666 V3 and Core i3-7020U integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2666 V3 and Core i3-7020U.

PCIe version3.03.0
PCI Express lanes4012

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 9.26
+458%
i3-7020U 1.66

Xeon E5-2666 V3 outperforms Core i3-7020U by 458% based on our aggregate 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 E5-2666 V3 14316
+456%
i3-7020U 2575

Xeon E5-2666 V3 outperforms Core i3-7020U by 456% in Passmark.

Gaming performance

Pros & cons summary


Performance score 9.26 1.66
Recency 13 November 2014 30 August 2016
Physical cores 10 2
Threads 20 4
Chip lithography 22 nm 14 nm
Power consumption (TDP) 135 Watt 15 Watt

The Xeon E5-2666 V3 is our recommended choice as it beats the Core i3-7020U in performance tests.

Be aware that Xeon E5-2666 V3 is a server/workstation processor while Core i3-7020U is a notebook one.


Should you still have questions on choice between Xeon E5-2666 V3 and Core i3-7020U, ask them in Comments section, and we shall answer.

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Intel Xeon E5-2666 V3
Xeon E5-2666 V3
Intel Core i3-7020U
Core i3-7020U

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Community ratings

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