Core 2 Duo SL9400 vs Core i7-2700K

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Aggregate performance score

Core i7-2700K
2011
4 cores / 8 threads, 95 Watt
3.62
+654%
Core 2 Duo SL9400
2008
2 cores / 2 threads, 17 Watt
0.48

Core i7-2700K outperforms Core 2 Duo SL9400 by a whopping 654% based on our aggregate benchmark results.

Primary details

Comparing Core i7-2700K and Core 2 Duo SL9400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking15072917
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.32no data
Market segmentDesktop processorLaptop
SeriesCore i7 (Desktop)Intel Core 2 Duo
Power efficiency3.602.67
Architecture codenameSandy Bridge (2011−2013)Penryn (2008−2011)
Release date24 October 2011 (13 years ago)20 August 2008 (16 years ago)
Launch price (MSRP)$514$284

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-2700K and Core 2 Duo SL9400 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 speed3.5 GHz1.86 GHz
Boost clock speed3.9 GHz1.86 GHz
Bus rate5 GT/s1066 MHz
L1 cache64 KB (per core)no data
L2 cache256 KB (per core)6 MB
L3 cache8 MB (shared)6 MB L2 Cache
Chip lithography32 nm45 nm
Die size216 mm2107 mm2
Maximum core temperature73 °C105 °C
Number of transistors1,160 million410 Million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-
VID voltage rangeno data1.05V - 1.15V

Compatibility

Information on Core i7-2700K and Core 2 Duo SL9400 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 configuration1no data
SocketLGA1155BGA956
Power consumption (TDP)95 Watt17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2700K and Core 2 Duo SL9400. You'll probably need this information if you require some particular technology.

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

Security technologies

Core i7-2700K and Core 2 Duo SL9400 technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Identity Protection+-

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-2700K and Core 2 Duo SL9400 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-2700K and Core 2 Duo SL9400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3no data
Maximum memory size32 GBno data
Max memory channels2no data
Maximum memory bandwidth21 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 3000no data
Quick Sync Video+-
Clear Video HD+no data
Graphics max frequency1.35 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-2700K and Core 2 Duo SL9400 integrated GPUs.

Number of displays supported2no data

Peripherals

Specifications and connection of peripherals supported by Core i7-2700K and Core 2 Duo SL9400.

PCIe version2.0no 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.

i7-2700K 3.62
+654%
Core 2 Duo SL9400 0.48

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.

i7-2700K 5744
+657%
Core 2 Duo SL9400 759

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.

i7-2700K 4967
+132%
Core 2 Duo SL9400 2144

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.

i7-2700K 19675
+411%
Core 2 Duo SL9400 3850

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.

i7-2700K 6837
+426%
Core 2 Duo SL9400 1300

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.

i7-2700K 7.15
+503%
Core 2 Duo SL9400 43.12

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.

i7-2700K 7
+531%
Core 2 Duo SL9400 1

Gaming performance

Pros & cons summary


Performance score 3.62 0.48
Recency 24 October 2011 20 August 2008
Physical cores 4 2
Threads 8 2
Chip lithography 32 nm 45 nm
Power consumption (TDP) 95 Watt 17 Watt

i7-2700K has a 654.2% higher aggregate performance score, an age advantage of 3 years, 100% more physical cores and 300% more threads, and a 40.6% more advanced lithography process.

Core 2 Duo SL9400, on the other hand, has 458.8% lower power consumption.

The Core i7-2700K is our recommended choice as it beats the Core 2 Duo SL9400 in performance tests.

Note that Core i7-2700K is a desktop processor while Core 2 Duo SL9400 is a notebook one.


Should you still have questions on choice between Core i7-2700K and Core 2 Duo SL9400, ask them in Comments section, and we shall answer.

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Intel Core i7-2700K
Core i7-2700K
Intel Core 2 Duo SL9400
Core 2 Duo SL9400

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Community ratings

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Questions & comments

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