i7-4850HQ vs Xeon E5-2666 V3

VS

Aggregate performance score

Xeon E5-2666 V3
2014
10 cores / 20 threads, 135 Watt
8.92
+131%
Core i7-4850HQ
2013
4 cores / 8 threads, 47 Watt
3.86

Xeon E5-2666 V3 outperforms Core i7-4850HQ by a whopping 131% based on our aggregate benchmark results.

Primary details

Comparing Xeon E5-2666 V3 and Core i7-4850HQ processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking8661460
Place by popularitynot in top-100not in top-100
Market segmentServerLaptop
Seriesno dataIntel Core i7
Power efficiency6.257.77
Architecture codenameHaswell-EP (2014−2015)Crystalwell (2013−2014)
Release date13 November 2014 (10 years ago)29 April 2013 (11 years ago)
Launch price (MSRP)no data$468

Detailed specifications

Xeon E5-2666 V3 and Core i7-4850HQ 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)4 (Quad-Core)
Threads208
Base clock speed2.9 GHz2.3 GHz
Boost clock speed3.5 GHz3.5 GHz
Bus typeno dataDMI 2.0
Bus rateno data5 GT/s
Multiplierno data23
L1 cache64K (per core)64K (per core)
L2 cache256K (per core)256K (per core)
L3 cache25 MB (shared)8 MB (shared)
Chip lithography22 nm22 nm
Die size356 mm2264 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)no data100 °C
Number of transistors2,600 million1,400 million
64 bit support++
Windows 11 compatibilityno data-

Compatibility

Information on Xeon E5-2666 V3 and Core i7-4850HQ 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
Socket2011-3FCBGA1364
Power consumption (TDP)135 Watt47 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2666 V3 and Core i7-4850HQ. 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++
Enhanced SpeedStep (EIST)++
My WiFino data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX++
Idle Statesno data+
Thermal Monitoring-+
FDIno data+

Security technologies

Xeon E5-2666 V3 and Core i7-4850HQ technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDBno data+
Secure Keyno data+
Identity Protection-+
Anti-Theftno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2666 V3 and Core i7-4850HQ are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2666 V3 and Core i7-4850HQ. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4 2133 MHz Quad-channelDDR3
Maximum memory sizeno data32 GB
Max memory channelsno data2
Maximum memory bandwidthno data25.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel Iris Pro Graphics 5200
Max video memoryno data2 GB
Quick Sync Video-+
Clear Video HDno data+
Graphics max frequencyno data1.2 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Xeon E5-2666 V3 and Core i7-4850HQ integrated GPUs.

Number of displays supportedno data3
eDPno data+
DisplayPort-+
HDMI-+
VGAno data+

Graphics image quality

Maximum display resolutions supported by Xeon E5-2666 V3 and Core i7-4850HQ integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data2560x1600@60Hz
Max resolution over DisplayPortno data3840x2160@60Hz
Max resolution over VGAno data1920x1200@60Hz

Graphics API support

APIs supported by Xeon E5-2666 V3 and Core i7-4850HQ integrated GPUs, sometimes API versions are included.

DirectXno data11.2/12
OpenGLno data4.3

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2666 V3 and Core i7-4850HQ.

PCIe version3.03
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 E5-2666 V3 8.92
+131%
i7-4850HQ 3.86

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 E5-2666 V3 14167
+131%
i7-4850HQ 6134

Gaming performance

Pros & cons summary


Performance score 8.92 3.86
Recency 13 November 2014 29 April 2013
Physical cores 10 4
Threads 20 8
Power consumption (TDP) 135 Watt 47 Watt

Xeon E5-2666 V3 has a 131.1% higher aggregate performance score, an age advantage of 1 year, and 150% more physical cores and 150% more threads.

i7-4850HQ, on the other hand, has 187.2% lower power consumption.

The Xeon E5-2666 V3 is our recommended choice as it beats the Core i7-4850HQ in performance tests.

Be aware that Xeon E5-2666 V3 is a server/workstation processor while Core i7-4850HQ is a notebook one.


Should you still have questions on choice between Xeon E5-2666 V3 and Core i7-4850HQ, ask them in Comments section, and we shall answer.

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Intel Xeon E5-2666 V3
Xeon E5-2666 V3
Intel Core i7-4850HQ
Core i7-4850HQ

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Community ratings

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