i3-7100 vs i9-7900X

VS

Aggregate performance score

Core i9-7900X
2017
10 cores / 20 threads, 140 Watt
13.25
+387%
Core i3-7100
2017
2 cores / 4 threads, 51 Watt
2.72

Core i9-7900X outperforms Core i3-7100 by a whopping 387% based on our aggregate benchmark results.

Primary details

Comparing Core i9-7900X and Core i3-7100 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking5681707
Place by popularitynot in top-10085
Cost-effectiveness evaluation2.960.86
Market segmentDesktop processorDesktop processor
SeriesCore i9 (Desktop)Intel Core i3
Power efficiency8.965.05
Architecture codenameSkylake (server) (2017−2018)Kaby Lake (2016−2019)
Release date26 June 2017 (7 years ago)3 January 2017 (7 years ago)
Launch price (MSRP)$999$117

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-7900X has 244% better value for money than i3-7100.

Detailed specifications

Core i9-7900X and Core i3-7100 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 cores10 (Deca-Core)2 (Dual-core)
Threads204
Base clock speed3.3 GHz3.9 GHz
Boost clock speed4.5 GHz3.9 GHz
Bus typeDMI 3.0DMI 3.0
Bus rate4 × 8 GT/s8 GT/s
Multiplier3339
L1 cache64 KB (per core)64K (per core)
L2 cache1 MB (per core)256K (per core)
L3 cache14 MB (shared)3 MB (shared)
Chip lithography14 nm14 nm
Maximum core temperature95 °C100 °C
Maximum case temperature (TCase)72 °C65 °C
64 bit support++
Windows 11 compatibility+-
Unlocked multiplier+-

Compatibility

Information on Core i9-7900X and Core i3-7100 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 (Uniprocessor)
SocketSocket R4FCLGA1151
Power consumption (TDP)140 Watt51 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-7900X and Core i3-7100. 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++
vPro+no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.0-
Hyper-Threading Technology++
TSX+-
Idle Statesno data+
Thermal Monitoring-+
Turbo Boost Max 3.0+no data

Security technologies

Core i9-7900X and Core i3-7100 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-7900X and Core i3-7100 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-7900X and Core i3-7100. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4
Maximum memory size128 GB64 GB
Max memory channels42
Maximum memory bandwidth85.33 GB/s38.397 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AIntel HD 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 i9-7900X and Core i3-7100 integrated GPUs.

Number of displays supportedno data3

Graphics image quality

Maximum display resolutions supported by Core i9-7900X and Core i3-7100 integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2304@24Hz
Max resolution over eDPno data4096x2304@60Hz
Max resolution over DisplayPortno data4096x2304@60Hz

Graphics API support

APIs supported by Core i9-7900X and Core i3-7100 integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Core i9-7900X and Core i3-7100.

PCIe version3.03.0
PCI Express lanes4416

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.

i9-7900X 13.25
+387%
i3-7100 2.72

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.

i9-7900X 21040
+387%
i3-7100 4319

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.

i9-7900X 1444
+13%
i3-7100 1278

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.

i9-7900X 8857
+254%
i3-7100 2500

Gaming performance

Pros & cons summary


Performance score 13.25 2.72
Recency 26 June 2017 3 January 2017
Physical cores 10 2
Threads 20 4
Power consumption (TDP) 140 Watt 51 Watt

i9-7900X has a 387.1% higher aggregate performance score, an age advantage of 5 months, and 400% more physical cores and 400% more threads.

i3-7100, on the other hand, has 174.5% lower power consumption.

The Core i9-7900X is our recommended choice as it beats the Core i3-7100 in performance tests.


Should you still have questions on choice between Core i9-7900X and Core i3-7100, ask them in Comments section, and we shall answer.

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Intel Core i9-7900X
Core i9-7900X
Intel Core i3-7100
Core i3-7100

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Community ratings

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Questions & comments

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