Core i7-11700K vs Core 2 Duo E6600

VS

Aggregate performance score

Core 2 Duo E6600
2 cores / 2 threads, 65 Watt
0.59
Core i7-11700K
2021
8 cores / 16 threads, 125 Watt
15.76
+2571%

Core i7-11700K outperforms Core 2 Duo E6600 by a whopping 2571% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo (Desktop) E6600 and Core i7-11700K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2806445
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
SeriesCore 2 Duo (Desktop)Intel Core i7
Power efficiency0.8411.71
Architecture codenameConroe (2006−2007)Rocket Lake (2021)
Release dateno data (2024 years ago)16 March 2021 (3 years ago)

Detailed specifications

Core 2 Duo (Desktop) E6600 and Core i7-11700K 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)8 (Octa-Core)
Threads216
Base clock speedno data3.6 GHz
Boost clock speed2.4 GHz5 GHz
Bus rate1066 MHz8 GT/s
L1 cacheno data64K (per core)
L2 cacheno data512K (per core)
L3 cacheno data16 MB (shared)
Chip lithography65 nm14 nm
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on Core 2 Duo (Desktop) E6600 and Core i7-11700K 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 configurationno data1
Socketno dataFCLGA1200
Power consumption (TDP)65 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo (Desktop) E6600 and Core i7-11700K. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI-+
FMA-+
AVX-+
vProno data+
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX-+
Idle Statesno data+
Thermal Monitoring-+
SIPP-+
Turbo Boost Max 3.0no data+
Deep Learning Boost-+

Security technologies

Core 2 Duo (Desktop) E6600 and Core i7-11700K technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
Identity Protection-+
SGXno data-
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo (Desktop) E6600 and Core i7-11700K are enumerated here.

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 i7-11700K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR4
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data50 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel UHD Graphics 750
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data1.3 GHz
Execution Unitsno data32
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core 2 Duo (Desktop) E6600 and Core i7-11700K integrated GPUs.

Number of displays supportedno data3

Graphics image quality

Maximum display resolutions supported by Core 2 Duo (Desktop) E6600 and Core i7-11700K integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2160@60Hz
Max resolution over eDPno data5120 x 3200 @60Hz
Max resolution over DisplayPortno data5120 x 3200 @60Hz

Graphics API support

APIs supported by Core 2 Duo (Desktop) E6600 and Core i7-11700K integrated GPUs, sometimes API versions are included.

DirectXno data12.1
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo (Desktop) E6600 and Core i7-11700K.

PCIe versionno data4.0
PCI Express lanesno data20

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 0.59
i7-11700K 15.76
+2571%

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
i7-11700K 24573
+2574%

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 263
i7-11700K 2253
+757%

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 420
i7-11700K 9883
+2253%

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
i7-11700K 9621
+291%

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
i7-11700K 58342
+1142%

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
i7-11700K 16388
+699%

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
i7-11700K 4.8
+654%

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
i7-11700K 26
+1793%

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
i7-11700K 2299
+1865%

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
i7-11700K 240
+287%

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
i7-11700K 12.7
+7371%

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
i7-11700K 128
+1516%

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
i7-11700K 293
+583%

Gaming performance

Pros & cons summary


Performance score 0.59 15.76
Physical cores 2 8
Threads 2 16
Chip lithography 65 nm 14 nm
Power consumption (TDP) 65 Watt 125 Watt

Core 2 Duo E6600 has 92.3% lower power consumption.

i7-11700K, on the other hand, has a 2571.2% higher aggregate performance score, 300% more physical cores and 700% more threads, and a 364.3% more advanced lithography process.

The Core i7-11700K is our recommended choice as it beats the Core 2 Duo E6600 in performance tests.


Should you still have questions on choice between Core 2 Duo E6600 and Core i7-11700K, ask them in Comments section, and we shall answer.

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Intel Core 2 Duo E6600
Core 2 Duo E6600
Intel Core i7-11700K
Core i7-11700K

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