i3-10100 vs i7-7820X

VS

Aggregate performance score

Core i7-7820X
2017
8 cores / 16 threads, 140 Watt
10.81
+98.7%
Core i3-10100
2020
4 cores / 8 threads, 65 Watt
5.44

Core i7-7820X outperforms Core i3-10100 by an impressive 99% based on our aggregate benchmark results.

Primary details

Comparing Core i7-7820X and Core i3-10100 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking7241164
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.4517.43
Market segmentDesktop processorDesktop processor
SeriesIntel Core i7no data
Power efficiency7.317.92
Architecture codenameSkylake (server) (2017−2018)Comet Lake-S (2020)
Release date30 May 2017 (7 years ago)30 April 2020 (4 years ago)
Launch price (MSRP)$599$130

Cost-effectiveness evaluation

Performance per price, higher is better.

i3-10100 has 405% better value for money than i7-7820X.

Detailed specifications

Core i7-7820X and Core i3-10100 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 cores8 (Octa-Core)4 (Quad-Core)
Threads168
Base clock speed3.6 GHz3.6 GHz
Boost clock speed4.5 GHz4.3 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s8 GT/s
Multiplier36no data
L1 cache512 KB64K (per core)
L2 cache8 MB256K (per core)
L3 cache11 MB (shared)6 MB (shared)
Chip lithography14 nm14 nm
Die sizeno data126 mm2
Maximum core temperature99 °C100 °C
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on Core i7-7820X and Core i3-10100 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
SocketFCLGA2066FCLGA1200
Power consumption (TDP)140 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-7820X and Core i3-10100. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX+-
Idle Statesno data+
Thermal Monitoring-+
Turbo Boost Max 3.0+-

Security technologies

Core i7-7820X and Core i3-10100 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDB++
Secure Keyno data+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-7820X and Core i3-10100 are enumerated here.

AMD-V-+
VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-7820X and Core i3-10100. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR4
Maximum memory size128 GB128 GB
Max memory channels42
Maximum memory bandwidth85.33 GB/s41.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AIntel UHD Graphics 630
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data1.1 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core i7-7820X and Core i3-10100 integrated GPUs.

Number of displays supportedno data3

Graphics image quality

Maximum display resolutions supported by Core i7-7820X and Core i3-10100 integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096 x 2160@30Hz
Max resolution over eDPno data4096 x 2304@60Hz
Max resolution over DisplayPortno data4096 x 2304@60Hz

Graphics API support

APIs supported by Core i7-7820X and Core i3-10100 integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Core i7-7820X and Core i3-10100.

PCIe version3.03.0
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.

i7-7820X 10.81
+98.7%
i3-10100 5.44

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.

i7-7820X 17166
+98.5%
i3-10100 8649

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.

i7-7820X 1426
i3-10100 1436
+0.7%

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.

i7-7820X 7862
+85.7%
i3-10100 4234

Gaming performance

Pros & cons summary


Performance score 10.81 5.44
Recency 30 May 2017 30 April 2020
Physical cores 8 4
Threads 16 8
Power consumption (TDP) 140 Watt 65 Watt

i7-7820X has a 98.7% higher aggregate performance score, and 100% more physical cores and 100% more threads.

i3-10100, on the other hand, has an age advantage of 2 years, and 115.4% lower power consumption.

The Core i7-7820X is our recommended choice as it beats the Core i3-10100 in performance tests.


Should you still have questions on choice between Core i7-7820X and Core i3-10100, 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 i7-7820X
Core i7-7820X
Intel Core i3-10100
Core i3-10100

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Community ratings

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Questions & comments

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