i7-14700K vs i7-820QM

VS

Aggregate performance score

Core i7-820QM
2009
4 cores / 8 threads, 45 Watt
1.12
Core i7-14700K
2023
20 cores / 28 threads, 125 Watt
33.51
+2892%

Core i7-14700K outperforms Core i7-820QM by a whopping 2892% based on our aggregate benchmark results.

Primary details

Comparing Core i7-820QM and Core i7-14700K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2402115
Place by popularitynot in top-10088
Cost-effectiveness evaluationno data100.00
Market segmentLaptopDesktop processor
SeriesIntel Core i7no data
Power efficiency2.3625.37
Architecture codenameClarksfield (2009−2010)Raptor Lake-R (2023−2024)
Release date23 September 2009 (15 years ago)17 October 2023 (1 year ago)
Launch price (MSRP)$546$319

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-820QM 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 cores4 (Quad-Core)20 (Icosa-Core)
Threads828
Base clock speed1.73 GHz3.4 GHz
Boost clock speed3.06 GHz5.6 GHz
Bus typeDMI 1.0no data
Bus rate2.5 GT/sno data
Multiplier13no data
L1 cache64 KB (per core)80 KB (per core)
L2 cache256 KB (per core)2 MB (per core)
L3 cache8 MB (shared)33 MB (shared)
Chip lithography45 nmIntel 7 nm
Die size296 mm2257 mm2
Maximum core temperature100 °C100 °C
Number of transistors774 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on Core i7-820QM 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
SocketFCPGA988,PGA988FCLGA1700
Power consumption (TDP)45 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-820QM and Core i7-14700K. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI-+
AVX-+
vPro+no data
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology1.02.0
Hyper-Threading Technology++
TSX-+
Idle States++
Thermal Monitoring++
SIPP-+
PAE36 Bitno data
Turbo Boost Max 3.0no data+
Deep Learning Boost-+

Security technologies

Core i7-820QM and Core i7-14700K technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-820QM 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 i7-820QM and Core i7-14700K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-1066, DDR3-1333DDR4, DDR5
Maximum memory size8 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 cardNoneIntel UHD Graphics 770
Quick Sync Video-+
Clear Video HDno data+
Graphics max frequencyno data1.6 GHz
Execution Unitsno data32

Graphics interfaces

Available interfaces and connections of Core i7-820QM and Core i7-14700K integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by Core i7-820QM 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 i7-820QM 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 i7-820QM and Core i7-14700K.

PCIe version25.0 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.

i7-820QM 1.12
i7-14700K 33.51
+2892%

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.

i7-820QM 1775
i7-14700K 53234
+2899%

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.

i7-820QM 382
i7-14700K 2941
+670%

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.

i7-820QM 978
i7-14700K 19082
+1851%

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.

i7-820QM 3272
i7-14700K 11886
+263%

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.

i7-820QM 8559
i7-14700K 91124
+965%

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.

i7-820QM 3149
i7-14700K 16203
+415%

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.

i7-820QM 42.04
i7-14700K 2.2
+1811%

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.

i7-820QM 3
i7-14700K 58
+1854%

Gaming performance

Pros & cons summary


Performance score 1.12 33.51
Recency 23 September 2009 17 October 2023
Physical cores 4 20
Threads 8 28
Power consumption (TDP) 45 Watt 125 Watt

i7-820QM has 177.8% lower power consumption.

i7-14700K, on the other hand, has a 2892% higher aggregate performance score, an age advantage of 14 years, and 400% more physical cores and 250% more threads.

The Core i7-14700K is our recommended choice as it beats the Core i7-820QM in performance tests.

Be aware that Core i7-820QM is a notebook processor while Core i7-14700K is a desktop one.


Should you still have questions on choice between Core i7-820QM and Core i7-14700K, ask them in Comments section, and we shall answer.

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


Intel Core i7-820QM
Core i7-820QM
Intel Core i7-14700K
Core i7-14700K

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