i7-2640M vs i7-6950X

Aggregate performance score

Core i7-6950X
2016
10 cores / 20 threads, 140 Watt
11.15
+606%
Core i7-2640M
2011
2 cores / 4 threads, 35 Watt
1.58

Core i7-6950X outperforms Core i7-2640M by a whopping 606% based on our aggregate benchmark results.

Primary details

Comparing Core i7-6950X and Core i7-2640M processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking7082111
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.84no data
Market segmentDesktop processorLaptop
SeriesIntel Core i7 (Desktop)Intel Core i7
Power efficiency7.404.19
Architecture codenameBroadwell-E (2016)Sandy Bridge (2011−2013)
Release date31 May 2016 (8 years ago)4 September 2011 (13 years ago)
Launch price (MSRP)$1,723$346

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-6950X and Core i7-2640M 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 cores10 (Deca-Core)2 (Dual-core)
Threads204
Base clock speed3 GHz2.8 GHz
Boost clock speed4 GHz3.5 GHz
Bus typeno dataDMI 2.0
Bus rate9.6 GT/s / QPI4 × 5 GT/s
Multiplierno data28
L1 cache32K (per core)128 KB
L2 cache256K (per core)512 KB
L3 cache25 MB (shared)4 MB
Chip lithography14 nm32 nm
Die size246 mm2149 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)72 °Cno data
Number of transistors3,800 million624 Million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on Core i7-6950X and Core i7-2640M 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)
SocketFCLGA2011FCBGA1023,PPGA988
Power consumption (TDP)140 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6950X and Core i7-2640M. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® AVX
AES-NI++
FMA-+
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
My WiFino data+
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
Idle States++
Thermal Monitoring-+
Flex Memory Accessno data+
Smart Response+no data
Demand Based Switchingno data-
Turbo Boost Max 3.0+no data
FDIno data+
Fast Memory Accessno data+

Security technologies

Core i7-6950X and Core i7-2640M technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Identity Protection-+
Anti-Theftno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6950X and Core i7-2640M are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-6950X and Core i7-2640M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR3
Maximum memory size128 GB16 GB
Max memory channels42
Maximum memory bandwidthno data228.707 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel HD Graphics 3000
Quick Sync Video-+
Clear Video HDno data+
Graphics max frequencyno data1.3 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core i7-6950X and Core i7-2640M integrated GPUs.

Number of displays supportedno data2
eDPno data+
DisplayPort-+
HDMI-+
SDVOno data+
CRTno data+

Peripherals

Specifications and connection of peripherals supported by Core i7-6950X and Core i7-2640M.

PCIe version3.02.0
PCI Express lanes4016

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.

i7-6950X 11.15
+606%
i7-2640M 1.58

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.

i7-6950X 17374
+604%
i7-2640M 2467

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.

i7-6950X 1316
+156%
i7-2640M 515

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.

i7-6950X 8589
+743%
i7-2640M 1019

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.

i7-6950X 6231
+40.2%
i7-2640M 4443

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.

i7-6950X 40378
+313%
i7-2640M 9778

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.

i7-6950X 10658
+171%
i7-2640M 3927

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.

i7-6950X 3.5
+333%
i7-2640M 15.14

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.

i7-6950X 20
+535%
i7-2640M 3

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark 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 loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

i7-6950X 1.9
+39.7%
i7-2640M 1.36

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.

i7-6950X 10.5
+556%
i7-2640M 1.6

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.  

i7-6950X 101
+494%
i7-2640M 17

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.  

i7-6950X 196
+119%
i7-2640M 89

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.

i7-6950X 8450
+223%
i7-2640M 2620

Geekbench 2

i7-6950X 22114
+220%
i7-2640M 6913

Gaming performance

Pros & cons summary


Performance score 11.15 1.58
Recency 31 May 2016 4 September 2011
Physical cores 10 2
Threads 20 4
Chip lithography 14 nm 32 nm
Power consumption (TDP) 140 Watt 35 Watt

i7-6950X has a 605.7% higher aggregate performance score, an age advantage of 4 years, 400% more physical cores and 400% more threads, and a 128.6% more advanced lithography process.

i7-2640M, on the other hand, has 300% lower power consumption.

The Core i7-6950X is our recommended choice as it beats the Core i7-2640M in performance tests.

Note that Core i7-6950X is a desktop processor while Core i7-2640M is a notebook one.


Should you still have questions on choice between Core i7-6950X and Core i7-2640M, ask them in Comments section, and we shall answer.

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Intel Core i7-6950X
Core i7-6950X
Intel Core i7-2640M
Core i7-2640M

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