Core 2 Duo T6600 vs Core i7-6700K

VS

Aggregate performance score

Core i7-6700K
2015
4 cores / 8 threads, 91 Watt
5.63
+1026%
Core 2 Duo T6600
2009
2 cores / 2 threads, 35 Watt
0.50

Core i7-6700K outperforms Core 2 Duo T6600 by a whopping 1026% based on our aggregate benchmark results.

Primary details

Comparing Core i7-6700K and Core 2 Duo T6600 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking11492894
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.19no data
Market segmentDesktop processorLaptop
SeriesIntel Core i7 (Desktop)Intel Core 2 Duo
Power efficiency5.861.35
Architecture codenameSkylake (2015−2016)Penryn (2008−2011)
Release date1 September 2015 (9 years ago)6 January 2009 (15 years ago)
Launch price (MSRP)$339no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-6700K and Core 2 Duo T6600 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)
Threads82
Base clock speed4 GHz2.2 GHz
Boost clock speed4.2 GHz2.2 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s800 MHz
Multiplier40no data
L1 cache256 KB128 KB
L2 cache1 MB2 MB
L3 cache8 MB (shared)2 MB L2 Cache
Chip lithography14 nm45 nm
Die size122 mm2107 mm2
Maximum core temperatureno data90 °C
Maximum case temperature (TCase)64 °Cno data
Number of transistors1750 Million410 Million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-
VID voltage rangeno data1V-1.25V

Compatibility

Information on Core i7-6700K and Core 2 Duo T6600 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
SocketFCLGA1151PGA478
Power consumption (TDP)91 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6700K and Core 2 Duo T6600. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2no data
AES-NI+-
AVX+-
vPro+no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.0-
Hyper-Threading Technology+-
TSX+-
Idle States+no data
Thermal Monitoring+-
Demand Based Switchingno data-
FSB parityno data-

Security technologies

Core i7-6700K and Core 2 Duo T6600 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6700K and Core 2 Duo T6600 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-6700K and Core 2 Duo T6600. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4no data
Maximum memory size64 GBno data
Max memory channels2no data
Maximum memory bandwidth34.134 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 530no data
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.15 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-6700K and Core 2 Duo T6600 integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i7-6700K and Core 2 Duo T6600 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
Max resolution over VGAN/Ano data

Graphics API support

APIs supported by Core i7-6700K and Core 2 Duo T6600 integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i7-6700K and Core 2 Duo T6600.

PCIe version3.0no data
PCI Express lanes16no 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.

i7-6700K 5.63
+1026%
Core 2 Duo T6600 0.50

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.

i7-6700K 8936
+1027%
Core 2 Duo T6600 793

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.

i7-6700K 1506
+486%
Core 2 Duo T6600 257

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.

i7-6700K 4941
+1120%
Core 2 Duo T6600 405

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.

i7-6700K 6531
+177%
Core 2 Duo T6600 2355

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.

i7-6700K 25817
+477%
Core 2 Duo T6600 4472

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.

i7-6700K 9037
+364%
Core 2 Duo T6600 1947

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.

i7-6700K 6.66
+968%
Core 2 Duo T6600 71.1

Gaming performance

Pros & cons summary


Performance score 5.63 0.50
Recency 1 September 2015 6 January 2009
Physical cores 4 2
Threads 8 2
Chip lithography 14 nm 45 nm
Power consumption (TDP) 91 Watt 35 Watt

i7-6700K has a 1026% higher aggregate performance score, an age advantage of 6 years, 100% more physical cores and 300% more threads, and a 221.4% more advanced lithography process.

Core 2 Duo T6600, on the other hand, has 160% lower power consumption.

The Core i7-6700K is our recommended choice as it beats the Core 2 Duo T6600 in performance tests.

Note that Core i7-6700K is a desktop processor while Core 2 Duo T6600 is a notebook one.


Should you still have questions on choice between Core i7-6700K and Core 2 Duo T6600, ask them in Comments section, and we shall answer.

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Intel Core i7-6700K
Core i7-6700K
Intel Core 2 Duo T6600
Core 2 Duo T6600

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