Core i3-4005U vs Core 2 Duo E6600

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Aggregate performance score

Core 2 Duo E6600
2006
2 cores / 2 threads, 65 Watt
0.58
Core i3-4005U
2013
2 cores / 4 threads, 15 Watt
1.05
+81%

Core i3-4005U outperforms Core 2 Duo E6600 by an impressive 81% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo (Desktop) E6600 and Core i3-4005U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking28232439
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
SeriesCore 2 Duo (Desktop)Intel Core i3
Power efficiency0.846.62
Architecture codenameConroe (2006−2007)Haswell (2013−2015)
Release dateno data4 September 2013 (11 years ago)

Detailed specifications

Core 2 Duo (Desktop) E6600 and Core i3-4005U 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)2 (Dual-core)
Threads24
Base clock speedno data1.7 GHz
Boost clock speed2.4 GHz1.7 GHz
Bus rate1066 MHz5 GT/s
L1 cache64 KB64K (per core)
L2 cache4 MB256K (per core)
L3 cache0 KB3 MB (shared)
Chip lithography65 nm22 nm
Die size143 mm2118 mm2
Maximum core temperatureno data100 °C
Number of transistors291 million1,400 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core 2 Duo (Desktop) E6600 and Core i3-4005U 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
Socket775FCBGA1168
Power consumption (TDP)65 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo (Desktop) E6600 and Core i3-4005U. 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-+
vProno data-
Enhanced SpeedStep (EIST)++
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data+
Idle Statesno data+
Thermal Monitoring-+
Smart Responseno data-
GPIOno data+
Smart Connectno data+
FDIno data-
AMTno data9.5
Matrix Storageno data-
HD Audiono data+
RSTno data+

Security technologies

Core 2 Duo (Desktop) E6600 and Core i3-4005U technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo (Desktop) E6600 and Core i3-4005U are enumerated here.

AMD-V-+
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo (Desktop) E6600 and Core i3-4005U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR3
Maximum memory sizeno data16 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 HD Graphics 4400
Max video memoryno data2 GB
Quick Sync Video-+
Clear Video HDno data+
Graphics max frequencyno data950 MHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core 2 Duo (Desktop) E6600 and Core i3-4005U integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core 2 Duo (Desktop) E6600 and Core i3-4005U integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data3200x2000@60Hz
Max resolution over DisplayPortno data3200x2000@60Hz
Max resolution over VGAno dataN/A

Graphics API support

APIs supported by Core 2 Duo (Desktop) E6600 and Core i3-4005U integrated GPUs, sometimes API versions are included.

DirectXno data11.2/12
OpenGLno data4.3

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo (Desktop) E6600 and Core i3-4005U.

PCIe versionno data2.0
PCI Express lanesno data10
PCI supportno data-
USB revisionno data3.0
Total number of SATA portsno data2
Max number of SATA 6 Gb/s Portsno data2
Integrated IDEno data-
Number of USB portsno data4
Integrated LANno data-
UARTno 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.

Core 2 Duo E6600 0.58
i3-4005U 1.05
+81%

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.

Core 2 Duo E6600 919
i3-4005U 1662
+80.8%

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.

Core 2 Duo E6600 261
i3-4005U 515
+97.3%

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.

Core 2 Duo E6600 421
i3-4005U 1037
+146%

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Core 2 Duo E6600 2462
i3-4005U 2514
+2.1%

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Core 2 Duo E6600 4698
i3-4005U 5706
+21.5%

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

Core 2 Duo E6600 2052
i3-4005U 2211
+7.7%

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Core 2 Duo E6600 36.2
i3-4005U 29.2
+24%

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

Core 2 Duo E6600 1
i3-4005U 2
+37%

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

Core 2 Duo E6600 117
i3-4005U 172
+47%

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

Core 2 Duo E6600 62
i3-4005U 68
+9.7%

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

Core 2 Duo E6600 0.2
i3-4005U 1
+488%

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

Core 2 Duo E6600 1173
i3-4005U 1853
+58%

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

Core 2 Duo E6600 8
i3-4005U 11
+38.1%

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

Core 2 Duo E6600 43
i3-4005U 58
+34.7%

Gaming performance

Pros & cons summary


Performance score 0.58 1.05
Threads 2 4
Chip lithography 65 nm 22 nm
Power consumption (TDP) 65 Watt 15 Watt

i3-4005U has a 81% higher aggregate performance score, 100% more threads, a 195.5% more advanced lithography process, and 333.3% lower power consumption.

The Core i3-4005U is our recommended choice as it beats the Core 2 Duo E6600 in performance tests.

Note that Core 2 Duo E6600 is a desktop processor while Core i3-4005U is a notebook one.


Should you still have questions on choice between Core 2 Duo E6600 and Core i3-4005U, ask them in Comments section, and we shall answer.

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Intel Core 2 Duo E6600
Core 2 Duo E6600
Intel Core i3-4005U
Core i3-4005U

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Community ratings

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