Xeon D-1813NT vs i7-6660U

Aggregate performance score

Core i7-6660U
2016
2 cores / 4 threads, 15 Watt
2.31
Xeon D-1813NT
2023
4 cores / 8 threads, 42 Watt
4.96
+115%

Xeon D-1813NT outperforms Core i7-6660U by a whopping 115% based on our aggregate benchmark results.

Primary details

Comparing Core i7-6660U and Xeon D-1813NT processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking18101235
Place by popularitynot in top-100not in top-100
Market segmentLaptopServer
SeriesIntel Core i7no data
Power efficiency14.3010.97
Architecture codenameSkylake (2015−2016)no data
Release date20 March 2016 (8 years ago)1 October 2023 (1 year ago)
Launch price (MSRP)$415no data

Detailed specifications

Core i7-6660U and Xeon D-1813NT 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 cores2 (Dual-core)4 (Quad-Core)
Threads48
Base clock speed2.4 GHz2.2 GHz
Boost clock speed3.4 GHz2.4 GHz
Bus typeOPIno data
Bus rate4 GT/sno data
Multiplier24no data
L1 cache128 KBno data
L2 cache512 KBno data
L3 cache4 MB10240 KB
Chip lithography14 nmno data
Maximum core temperature100 °Cno data
64 bit support++
Windows 11 compatibility-no data

Compatibility

Information on Core i7-6660U and Xeon D-1813NT 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 configuration1 (Uniprocessor)no data
SocketFCBGA1356FCBGA2227
Power consumption (TDP)15 Watt42 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6660U and Xeon D-1813NT. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® AVX-512
AES-NI++
AVX+-
vPro+no data
Enhanced SpeedStep (EIST)++
QuickAssistno data+
eDRAM64 MBno data
My WiFi+no data
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX+-
Idle States+no data
Thermal Monitoring++
Flex Memory Access+no data
SIPP+-
Smart Response+no data
Deep Learning Boost-+

Security technologies

Core i7-6660U and Xeon D-1813NT technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++
Secure Key+no data
MPX+-
Identity Protection+-
SGXYes with Intel® MEYes with Intel® SPS
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6660U and Xeon D-1813NT are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-6660U and Xeon D-1813NT. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2133, LPDDR3-1866, DDR3L-1600DDR4
Maximum memory size32 GB256 GB
Max memory channels22
Maximum memory bandwidth34.134 GB/sno data
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel Iris Graphics 540no data
Max video memory32 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.05 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-6660U and Xeon D-1813NT integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data

Graphics image quality

Maximum display resolutions supported by Core i7-6660U and Xeon D-1813NT integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@24Hzno data
Max resolution over eDP4096x2304@60Hzno data
Max resolution over DisplayPort4096x2304@60Hzno data

Graphics API support

APIs supported by Core i7-6660U and Xeon D-1813NT integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i7-6660U and Xeon D-1813NT.

PCIe version3.04.0
PCI Express lanes1216
USB revisionno data3.0
Max number of SATA 6 Gb/s Portsno data24
Number of USB portsno data4
Integrated LANno data+

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.

i7-6660U 2.31
Xeon D-1813NT 4.96
+115%

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.

i7-6660U 3606
Xeon D-1813NT 7732
+114%

Gaming performance

Pros & cons summary


Performance score 2.31 4.96
Recency 20 March 2016 1 October 2023
Physical cores 2 4
Threads 4 8
Power consumption (TDP) 15 Watt 42 Watt

i7-6660U has 180% lower power consumption.

Xeon D-1813NT, on the other hand, has a 114.7% higher aggregate performance score, an age advantage of 7 years, and 100% more physical cores and 100% more threads.

The Xeon D-1813NT is our recommended choice as it beats the Core i7-6660U in performance tests.

Be aware that Core i7-6660U is a notebook processor while Xeon D-1813NT is a server/workstation one.


Should you still have questions on choice between Core i7-6660U and Xeon D-1813NT, ask them in Comments section, and we shall answer.

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Intel Core i7-6660U
Core i7-6660U
Intel Xeon D-1813NT
Xeon D-1813NT

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