Core i7-720QM vs Core i7-875K

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Aggregate performance score

Core i7-875K
2010
4 cores / 8 threads, 95 Watt
2.00
+86.9%

Core i7-875K outperforms Core i7-720QM by an impressive 87% based on our aggregate benchmark results.

Primary details

Comparing Core i7-875K and Core i7-720QM processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking18432321
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.33no data
Market segmentDesktop processorLaptop
Seriesno dataIntel Core i7
Architecture codenameLynnfield (2009−2010)Clarksfield (2009−2010)
Release date30 May 2010 (14 years ago)23 September 2009 (14 years ago)
Launch price (MSRP)$486$546
Current price$131 (0.3x MSRP)$418 (0.8x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-875K and Core i7-720QM 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 speed2.93 GHz1.6 GHz
Boost clock speed3.6 GHz2.8 GHz
Bus supportno data2500 MHz
L1 cache64 KB (per core)64 KB (per core)
L2 cache256 KB (per core)256 KB (per core)
L3 cache8 MB (shared)6 MB (shared)
Chip lithography45 nm45 nm
Die size296 mm2296 mm2
Maximum core temperature73 °C100 °C
Number of transistors774 million774 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplierYesNo

Compatibility

Information on Core i7-875K and Core i7-720QM 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
SocketFCLGA1156,LGA1156FCPGA988,PGA988
Power consumption (TDP)95 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-875K and Core i7-720QM. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2Intel® SSE4.2
AES-NI--
vProno data+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology1.01.0
Hyper-Threading Technology++
Idle States++
Thermal Monitoring-+
Demand Based Switching-no data
PAE36 Bit36 Bit
StatusDiscontinuedDiscontinued

Security technologies

Core i7-875K and Core i7-720QM technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-875K and Core i7-720QM are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-875K and Core i7-720QM. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3-1066, DDR3-1333
Maximum memory size16 GB8 GB
Max memory channels22
Maximum memory bandwidth21 GB/s21 GB/s
ECC memory support--

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataNone

Peripherals

Specifications and connection of peripherals supported by Core i7-875K and Core i7-720QM.

PCIe version2.02
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.

i7-875K 2.00
+86.9%
i7-720QM 1.07

Core i7-875K outperforms Core i7-720QM by 87% based on our aggregate benchmark results.


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.

Benchmark coverage: 68%

i7-875K 3093
+86.7%
i7-720QM 1657

Core i7-875K outperforms Core i7-720QM by 87% in Passmark.

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.

Benchmark coverage: 42%

i7-875K 506
+54.7%
i7-720QM 327

Core i7-875K outperforms Core i7-720QM by 55% in GeekBench 5 Single-Core.

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.

Benchmark coverage: 42%

i7-875K 1753
+98.1%
i7-720QM 885

Core i7-875K outperforms Core i7-720QM by 98% in GeekBench 5 Multi-Core.

Gaming performance

Pros & cons summary


Performance score 2.00 1.07
Recency 30 May 2010 23 September 2009
Cost $486 $546
Power consumption (TDP) 95 Watt 45 Watt

The Core i7-875K is our recommended choice as it beats the Core i7-720QM in performance tests.

Note that Core i7-875K is a desktop processor while Core i7-720QM is a notebook one.


Should you still have questions on choice between Core i7-875K and Core i7-720QM, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Core i7-875K
Core i7-875K
Intel Core i7-720QM
Core i7-720QM

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Community ratings

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


3.9 61 vote

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Questions & comments

Here you can ask a question about Core i7-875K or Core i7-720QM, agree or disagree with our judgements, or report an error or mismatch.