i3-7100U vs i9-7900X

Aggregate performance score

Core i9-7900X
2017
10 cores / 20 threads, 140 Watt
13.25
+675%
Core i3-7100U
2016
2 cores / 4 threads, 15 Watt
1.71

Core i9-7900X outperforms Core i3-7100U by a whopping 675% based on our aggregate benchmark results.

Primary details

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

Place in the ranking5602037
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.87no data
Market segmentDesktop processorLaptop
SeriesCore i9 (Desktop)Intel Core i3
Power efficiency8.9610.79
Architecture codenameSkylake (server) (2017−2018)Kaby Lake (2016−2019)
Release date26 June 2017 (7 years ago)30 August 2016 (8 years ago)
Launch price (MSRP)$999$281

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-7900X and Core i3-7100U 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 GHz2.4 GHz
Boost clock speed4.5 GHz2.4 GHz
Bus typeDMI 3.0OPI
Bus rate4 × 8 GT/s4 GT/s
Multiplier3324
L1 cache64 KB (per core)128 KB
L2 cache1 MB (per core)512 KB
L3 cache14 MB (shared)3 MB
Chip lithography14 nm14 nm
Maximum core temperature95 °C100 °C
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibility+-
Unlocked multiplier+-

Compatibility

Information on Core i9-7900X and Core i3-7100U 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 R4FCBGA1356,FPBGA1356
Power consumption (TDP)140 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-7900X and Core i3-7100U. 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)++
Speed Shiftno data+
My WiFino data+
Turbo Boost Technology2.0-
Hyper-Threading Technology++
TSX+-
Idle Statesno data+
Thermal Monitoring-+
Flex Memory Accessno data+
Smart Responseno data+
Turbo Boost Max 3.0+no data

Security technologies

Core i9-7900X and Core i3-7100U 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 i3-7100U 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 i3-7100U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4
Maximum memory size128 GB32 GB
Max memory channels42
Maximum memory bandwidth85.33 GB/s34.134 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AIntel HD Graphics 620
Max video memoryno data32 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data1 GHz

Graphics interfaces

Available interfaces and connections of Core i9-7900X and Core i3-7100U integrated GPUs.

Number of displays supportedno data3
eDPno data+
DisplayPort-+
HDMI-+
DVIno data+

Graphics image quality

Maximum display resolutions supported by Core i9-7900X and Core i3-7100U 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
Max resolution over VGAno dataN/A

Graphics API support

APIs supported by Core i9-7900X and Core i3-7100U 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 i3-7100U.

PCIe version3.03.0
PCI Express lanes4412

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
+675%
i3-7100U 1.71

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 21049
+673%
i3-7100U 2724

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 1443
+84.5%
i3-7100U 782

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 8862
+454%
i3-7100U 1599

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.

i9-7900X 7287
+88.1%
i3-7100U 3874

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.

i9-7900X 49738
+468%
i3-7100U 8758

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.

i9-7900X 2.91
+596%
i3-7100U 20.25

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.

i9-7900X 24
+738%
i3-7100U 3

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

i9-7900X 2148
+737%
i3-7100U 257

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

i9-7900X 193
+103%
i3-7100U 95

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

i9-7900X 2.2
+114%
i3-7100U 1.03

Geekbench 4.0 64-bit multi-core

i9-7900X 27533
+389%
i3-7100U 5636

Geekbench 4.0 64-bit single-core

i9-7900X 4987
+69.2%
i3-7100U 2947

Gaming performance

Pros & cons summary


Performance score 13.25 1.71
Recency 26 June 2017 30 August 2016
Physical cores 10 2
Threads 20 4
Power consumption (TDP) 140 Watt 15 Watt

i9-7900X has a 674.9% higher aggregate performance score, an age advantage of 9 months, and 400% more physical cores and 400% more threads.

i3-7100U, on the other hand, has 833.3% lower power consumption.

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

Note that Core i9-7900X is a desktop processor while Core i3-7100U is a notebook one.


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

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

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Community ratings

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