i3-6006U vs i7-3820

VS

Aggregate performance score

Core i7-3820
2012
4 cores / 8 threads, 130 Watt
3.63
+154%
Core i3-6006U
2016
2 cores / 4 threads, 15 Watt
1.43

Core i7-3820 outperforms Core i3-6006U by a whopping 154% based on our aggregate benchmark results.

Primary details

Comparing Core i7-3820 and Core i3-6006U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking14882181
Place by popularitynot in top-10088
Cost-effectiveness evaluation2.32no data
Market segmentDesktop processorLaptop
Seriesno dataIntel Core i3
Power efficiency2.649.02
Architecture codenameSandy Bridge-E (2011−2013)Skylake (2015−2016)
Release dateFebruary 2012 (12 years ago)10 November 2016 (8 years ago)
Launch price (MSRP)$400$281

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-3820 and Core i3-6006U 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)2 (Dual-core)
Threads84
Base clock speed3.6 GHz2 GHz
Boost clock speed3.8 GHz2 GHz
Bus typeno dataOPI
Bus rate5 GT/s4 GT/s
Multiplierno data20
L1 cache64 KB (per core)128 KB
L2 cache256 KB (per core)512 KB
L3 cache10240 KB (shared)3 MB
Chip lithography32 nm14 nm
Die size294 mm298.57 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)67 °Cno data
Number of transistors1270 million1750 Million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i7-3820 and Core i3-6006U 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 configuration11 (Uniprocessor)
SocketFCLGA2011FCBGA1356
Power consumption (TDP)130 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-3820 and Core i3-6006U. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2, Intel® AVXIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
My WiFino data+
Turbo Boost Technology2.0-
Hyper-Threading Technology++
Idle States++
Thermal Monitoring++
Flex Memory Accessno data+
Smart Response++
Demand Based Switching-no data

Security technologies

Core i7-3820 and Core i3-6006U technologies aimed at improving security, for example, by protecting against hacks.

TXT--
EDB++
Secure Keyno data+
MPX-+
Identity Protection++
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-3820 and Core i3-6006U are enumerated here.

AMD-V-+
VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-3820 and Core i3-6006U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3, DDR4
Maximum memory size64.23 GB32 GB
Max memory channels42
Maximum memory bandwidth51.2 GB/s34.134 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel HD Graphics 520
Max video memoryno data32 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data900 MHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core i7-3820 and Core i3-6006U integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i7-3820 and Core i3-6006U 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 Core i7-3820 and Core i3-6006U integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Core i7-3820 and Core i3-6006U.

PCIe version2.03.0
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.

i7-3820 3.63
+154%
i3-6006U 1.43

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.

i7-3820 5769
+153%
i3-6006U 2278

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i7-3820 623
i3-6006U 652
+4.7%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i7-3820 2296
+71.2%
i3-6006U 1341

Gaming performance

Pros & cons summary


Performance score 3.63 1.43
Physical cores 4 2
Threads 8 4
Chip lithography 32 nm 14 nm
Power consumption (TDP) 130 Watt 15 Watt

i7-3820 has a 153.8% higher aggregate performance score, and 100% more physical cores and 100% more threads.

i3-6006U, on the other hand, has a 128.6% more advanced lithography process, and 766.7% lower power consumption.

The Core i7-3820 is our recommended choice as it beats the Core i3-6006U in performance tests.

Note that Core i7-3820 is a desktop processor while Core i3-6006U is a notebook one.


Should you still have questions on choice between Core i7-3820 and Core i3-6006U, ask them in Comments section, and we shall answer.

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Intel Core i7-3820
Core i7-3820
Intel Core i3-6006U
Core i3-6006U

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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

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