i7-1355U vs i7-2700K

#ad 
Buy on Amazon
VS

Aggregate performance score

Core i7-2700K
2011
4 cores / 8 threads, 95 Watt
3.62
Core i7-1355U
2023
10 cores / 12 threads, 15 Watt
9.32
+157%

Core i7-1355U outperforms Core i7-2700K by a whopping 157% based on our aggregate benchmark results.

Primary details

Comparing Core i7-2700K and Core i7-1355U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1507825
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.32no data
Market segmentDesktop processorLaptop
SeriesCore i7 (Desktop)Intel Raptor Lake-U
Power efficiency3.6158.80
Architecture codenameSandy Bridge (2011−2013)Raptor Lake-U (2023)
Release date24 October 2011 (13 years ago)4 January 2023 (1 year ago)
Launch price (MSRP)$514$469

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-2700K and Core i7-1355U 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)10 (Deca-Core)
Threads812
Base clock speed3.5 GHz1.7 GHz
Boost clock speed3.9 GHz5 GHz
Bus rate5 GT/sno data
L1 cache64 KB (per core)80K (per core)
L2 cache256 KB (per core)1.25 MB (per core)
L3 cache8 MB (shared)12 MB (shared)
Chip lithography32 nmIntel 7 nm
Die size216 mm2no data
Maximum core temperature73 °C100 °C
Number of transistors1,160 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-

Compatibility

Information on Core i7-2700K and Core i7-1355U 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
SocketLGA1155FCBGA1744
Power consumption (TDP)95 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2700K and Core i7-1355U. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVXIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology2.0no data
Hyper-Threading Technology++
TSX-+
Idle States+no data
Thermal Monitoring++
Flex Memory Access++
FDI+no data
Fast Memory Access+no data
Deep Learning Boost-+

Security technologies

Core i7-2700K and Core i7-1355U technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Secure Keyno data+
Identity Protection+-
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-2700K and Core i7-1355U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-2700K and Core i7-1355U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5-5200, DDR4-3200, LPDDR4x-4267
Maximum memory size32 GB96 GB
Max memory channels22
Maximum memory bandwidth21 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 3000Intel® Iris® Xe Graphics eligible
Quick Sync Video++
Clear Video HD+no data
Graphics max frequency1.35 GHz1.3 GHz
Execution Unitsno data96
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-2700K and Core i7-1355U integrated GPUs.

Number of displays supported24

Graphics image quality

Maximum display resolutions supported by Core i7-2700K and Core i7-1355U integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4096 x 2304 @ 60Hz
Max resolution over eDPno data4096 x 2304 @ 120Hz
Max resolution over DisplayPortno data7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Core i7-2700K and Core i7-1355U integrated GPUs, sometimes API versions are included.

DirectXno data12.1
OpenGLno data4.6

Peripherals

Specifications and connection of peripherals supported by Core i7-2700K and Core i7-1355U.

PCIe version2.04.0
PCI Express lanes168

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
i7-1355U 9.32
+157%

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
i7-1355U 14799
+158%

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
i7-1355U 10028
+102%

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
i7-1355U 33627
+70.9%

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
i7-1355U 10128
+48.1%

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
+194%
i7-1355U 21

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
i7-1355U 16
+135%

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.

i7-2700K 3.5
i7-1355U 8.3
+137%

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.

i7-2700K 3537
i7-1355U 12688
+259%

Gaming performance

Pros & cons summary


Performance score 3.62 9.32
Recency 24 October 2011 4 January 2023
Physical cores 4 10
Threads 8 12
Power consumption (TDP) 95 Watt 15 Watt

i7-1355U has a 157.5% higher aggregate performance score, an age advantage of 11 years, 150% more physical cores and 50% more threads, and 533.3% lower power consumption.

The Core i7-1355U is our recommended choice as it beats the Core i7-2700K in performance tests.

Note that Core i7-2700K is a desktop processor while Core i7-1355U is a notebook one.


Should you still have questions on choice between Core i7-2700K and Core i7-1355U, 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 i7-2700K
Core i7-2700K
Intel Core i7-1355U
Core i7-1355U

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


3.7 738 votes

Rate Core i7-2700K on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.6 528 votes

Rate Core i7-1355U on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i7-2700K or Core i7-1355U, agree or disagree with our judgements, or report an error or mismatch.