Core i5-1145G7 vs Core i7-5820K

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Aggregate performance score

Core i7-5820K
2014
6 cores / 12 threads, 140 Watt
6.36
+0.5%

Primary details

Comparing Core i7-5820K and Core i5-1145G7 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking10271028
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.05no data
Market segmentDesktop processorLaptop
Seriesno dataIntel Tiger Lake
Architecture codenameHaswell-E (2014)Tiger Lake-UP3
Release date1 September 2014 (9 years ago)1 September 2020 (3 years ago)
Launch price (MSRP)$410no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-5820K and Core i5-1145G7 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 cores6 (Hexa-Core)4 (Quad-Core)
Threads128
Base clock speed3.3 GHz2.6 GHz
Boost clock speed3.6 GHz4.4 GHz
L1 cache64 KB (per core)320 KB
L2 cache256 KB (per core)5 MB
L3 cache15 MB (shared)8 MB
Chip lithography22 nm10 nm
Die size356 mm2no data
Maximum core temperature67 °C100 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors2,600 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplierYesNo

Compatibility

Information on Core i7-5820K and Core i5-1145G7 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
Socket2011-3BGA1449
Power consumption (TDP)140 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-5820K and Core i5-1145G7. You'll probably need this information if you require some particular technology.

AES-NI++
FMAno data+
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
TSX++

Security technologies

Core i7-5820K and Core i5-1145G7 technologies aimed at improving security, for example, by protecting against hacks.

TXT++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-5820K and Core i5-1145G7 are enumerated here.

VT-d++
VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-5820K and Core i5-1145G7. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4
Maximum memory bandwidth68 GB/sno data
ECC memory support--

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel Iris Xe Graphics G7 80EUs

Peripherals

Specifications and connection of peripherals supported by Core i7-5820K and Core i5-1145G7.

PCIe version2.04.0
PCI Express lanes2816

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.

i7-5820K 6.36
+0.5%
i5-1145G7 6.33

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.

i7-5820K 9836
+0.4%
i5-1145G7 9798

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.

i7-5820K 1165
i5-1145G7 1675
+43.8%

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.

i7-5820K 5450
+11.7%
i5-1145G7 4879

Gaming performance

Pros & cons summary


Performance score 6.36 6.33
Recency 1 September 2014 1 September 2020
Physical cores 6 4
Threads 12 8
Chip lithography 22 nm 10 nm
Power consumption (TDP) 140 Watt 28 Watt

i7-5820K has a 0.5% higher aggregate performance score, and 50% more physical cores and 50% more threads.

i5-1145G7, on the other hand, has an age advantage of 6 years, a 120% more advanced lithography process, and 400% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Core i7-5820K and Core i5-1145G7.

Note that Core i7-5820K is a desktop processor while Core i5-1145G7 is a notebook one.


Should you still have questions on choice between Core i7-5820K and Core i5-1145G7, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Core i7-5820K
Core i7-5820K
Intel Core i5-1145G7
Core i5-1145G7

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.


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Questions & comments

Here you can ask a question about Core i7-5820K or Core i5-1145G7, agree or disagree with our judgements, or report an error or mismatch.