i7-2700K vs i7-7820HQ

Aggregate performance score

Core i7-7820HQ
2017
4 cores / 8 threads, 45 Watt
4.51
+24.6%
Core i7-2700K
2011
4 cores / 8 threads, 95 Watt
3.62

Core i7-7820HQ outperforms Core i7-2700K by a significant 25% based on our aggregate benchmark results.

Primary details

Comparing Core i7-7820HQ and Core i7-2700K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking13071495
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data0.32
Market segmentLaptopDesktop processor
SeriesIntel Core i7Core i7 (Desktop)
Power efficiency9.483.61
Architecture codenameKaby Lake-H (2017)Sandy Bridge (2011−2013)
Release date3 January 2017 (7 years ago)24 October 2011 (13 years ago)
Launch price (MSRP)$378$514

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-7820HQ and Core i7-2700K 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)4 (Quad-Core)
Threads88
Base clock speed2.9 GHz3.5 GHz
Boost clock speed3.9 GHz3.9 GHz
Bus typeDMI 3.0no data
Bus rate8 GT/s5 GT/s
Multiplier29no data
L1 cache64K (per core)64 KB (per core)
L2 cache256K (per core)256 KB (per core)
L3 cache8 MB (shared)8 MB (shared)
Chip lithography14 nm32 nm
Die size126 mm2216 mm2
Maximum core temperature100 °C73 °C
Number of transistorsno data1,160 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier-+

Compatibility

Information on Core i7-7820HQ and Core i7-2700K 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
SocketFCBGA1440LGA1155
Power consumption (TDP)45 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-7820HQ and Core i7-2700K. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX
AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)++
Speed Shift+no data
My WiFi+no data
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX+-
Idle States++
Thermal Monitoring++
Flex Memory Access++
SIPP+-
Smart Response+no data
FDIno data+
Fast Memory Accessno data+

Security technologies

Core i7-7820HQ and Core i7-2700K 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 i7-7820HQ and Core i7-2700K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-7820HQ and Core i7-2700K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR3
Maximum memory size64 GB32 GB
Max memory channels22
Maximum memory bandwidth38.397 GB/s21 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 630Intel HD Graphics 3000
Max video memory64 GBno data
Quick Sync Video++
Clear Video+no data
Clear Video HD++
Graphics max frequency1.1 GHz1.35 GHz
InTru 3D++

Graphics interfaces

Available interfaces and connections of Core i7-7820HQ and Core i7-2700K integrated GPUs.

Number of displays supported32
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data

Graphics image quality

Maximum display resolutions supported by Core i7-7820HQ and Core i7-2700K integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@30Hzno 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 i7-7820HQ and Core i7-2700K integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i7-7820HQ and Core i7-2700K.

PCIe version3.02.0
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.

i7-7820HQ 4.51
+24.6%
i7-2700K 3.62

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.

i7-7820HQ 7162
+24.6%
i7-2700K 5746

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.

i7-7820HQ 1171
+75%
i7-2700K 669

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.

i7-7820HQ 3513
+54%
i7-2700K 2281

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.

i7-7820HQ 6118
+23.2%
i7-2700K 4967

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.

i7-7820HQ 22369
+13.7%
i7-2700K 19675

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.

i7-7820HQ 7679
+12.3%
i7-2700K 6837

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.

i7-7820HQ 9.38
i7-2700K 7.15
+31.2%

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.

i7-7820HQ 8
+13.7%
i7-2700K 7

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.

i7-7820HQ 4.2
+20%
i7-2700K 3.5

Gaming performance

Pros & cons summary


Performance score 4.51 3.62
Integrated graphics card 3.10 0.66
Recency 3 January 2017 24 October 2011
Chip lithography 14 nm 32 nm
Power consumption (TDP) 45 Watt 95 Watt

i7-7820HQ has a 24.6% higher aggregate performance score, 369.7% faster integrated GPU, an age advantage of 5 years, a 128.6% more advanced lithography process, and 111.1% lower power consumption.

The Core i7-7820HQ is our recommended choice as it beats the Core i7-2700K in performance tests.

Be aware that Core i7-7820HQ is a notebook processor while Core i7-2700K is a desktop one.


Should you still have questions on choice between Core i7-7820HQ and Core i7-2700K, ask them in Comments section, and we shall answer.

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Intel Core i7-7820HQ
Core i7-7820HQ
Intel Core i7-2700K
Core i7-2700K

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Community ratings

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