i7-14700K vs i7-2657M

VS

Aggregate performance score

Core i7-2657M
2011
2 cores / 4 threads, 17 Watt
0.99
Core i7-14700K
2023
20 cores / 28 threads, 125 Watt
33.48
+3282%

Core i7-14700K outperforms Core i7-2657M by a whopping 3282% based on our aggregate benchmark results.

Primary details

Comparing Core i7-2657M and Core i7-14700K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2481116
Place by popularitynot in top-10088
Cost-effectiveness evaluationno data100.00
Market segmentLaptopDesktop processor
SeriesIntel Core i7no data
Power efficiency5.5125.35
Architecture codenameSandy Bridge (2011−2013)Raptor Lake-R (2023−2024)
Release date3 January 2011 (13 years ago)17 October 2023 (1 year ago)
Launch price (MSRP)$317$319

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-2657M and Core i7-14700K 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)20 (Icosa-Core)
Performance-coresno data8
Efficient-coresno data12
Threads428
Base clock speed1.6 GHz3.4 GHz
Boost clock speed2.7 GHz5.6 GHz
Bus typeDMI 2.0no data
Bus rate4 × 5 GT/sno data
Multiplier16no data
L1 cache128 KB80 KB (per core)
L2 cache512 KB2 MB (per core)
L3 cache4 MB33 MB (shared)
Chip lithography32 nmIntel 7 nm
Die size149 mm2257 mm2
Maximum core temperature100 °C100 °C
Number of transistors624 Millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on Core i7-2657M and Core i7-14700K 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)1
SocketFCBGA1023FCLGA1700
Power consumption (TDP)17 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2657M and Core i7-14700K. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVXIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
FMA+-
AVX++
vPro+no data
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
My WiFi+no data
Turbo Boost Technology+2.0
Hyper-Threading Technology++
TSX-+
Idle States++
Thermal Monitoring++
Flex Memory Access+no data
SIPP-+
Demand Based Switching-no data
Turbo Boost Max 3.0no data+
FDI+no data
Fast Memory Access+no data
Deep Learning Boost-+

Security technologies

Core i7-2657M and Core i7-14700K technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Keyno data+
Identity Protection+-
OS Guardno data+
Anti-Theft+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-2657M and Core i7-14700K are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-2657M and Core i7-14700K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-1066, DDR3-1333DDR4, DDR5
Maximum memory size8.01 GB192 GB
Max memory channels22
Maximum memory bandwidth21.335 GB/s89.6 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 3000Intel UHD Graphics 770
Quick Sync Video++
Clear Video HD++
Graphics max frequency1 GHz1.6 GHz
Execution Unitsno data32
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-2657M and Core i7-14700K integrated GPUs.

Number of displays supported24
eDP+no data
DisplayPort+-
HDMI+-
SDVO+no data
CRT+no data

Graphics image quality

Maximum display resolutions supported by Core i7-2657M and Core i7-14700K integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4096 x 2160 @ 60Hz
Max resolution over eDPno data5120 x 3200 @ 120Hz
Max resolution over DisplayPortno data7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Core i7-2657M and Core i7-14700K integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Core i7-2657M and Core i7-14700K.

PCIe version2.05.0 and 4.0
PCI Express lanes1616

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.

i7-2657M 0.99
i7-14700K 33.48
+3282%

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.

i7-2657M 3491
i7-14700K 11886
+240%

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.

i7-2657M 6229
i7-14700K 91124
+1363%

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.

i7-2657M 2546
i7-14700K 16203
+536%

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.

i7-2657M 2
i7-14700K 58
+2928%

Gaming performance

Pros & cons summary


Performance score 0.99 33.48
Integrated graphics card 0.66 6.16
Recency 3 January 2011 17 October 2023
Physical cores 2 20
Threads 4 28
Power consumption (TDP) 17 Watt 125 Watt

i7-2657M has 635.3% lower power consumption.

i7-14700K, on the other hand, has a 3281.8% higher aggregate performance score, 833.3% faster integrated GPU, an age advantage of 12 years, and 900% more physical cores and 600% more threads.

The Core i7-14700K is our recommended choice as it beats the Core i7-2657M in performance tests.

Be aware that Core i7-2657M is a notebook processor while Core i7-14700K is a desktop one.


Should you still have questions on choice between Core i7-2657M and Core i7-14700K, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i7-2657M
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Intel Core i7-14700K
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Community ratings

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Questions & comments

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