Intel Core i9-7920X vs Intel Core i3-7100

Last updated:

CPU comparison with benchmarks


Intel Core i9-7920X CPU1 vs CPU2 Intel Core i3-7100
Intel Core i9-7920X Intel Core i3-7100

CPU comparison

Intel Core i9-7920X or Intel Core i3-7100 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Core i9-7920X has 12 cores with 24 threads and clocks with a maximum frequency of 4.30 GHz. Up to 128 GB of memory is supported in 4 memory channels. The Intel Core i9-7920X was released in Q3/2017.

The Intel Core i3-7100 has 2 cores with 4 threads and clocks with a maximum frequency of 3.90 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The Intel Core i3-7100 was released in Q1/2017.
Intel Core i9 (78) Family Intel Core i3 (205)
Intel Core i 7000X (9) CPU group Intel Core i 7000 (17)
7 Generation 7
Skylake X Architecture Kaby Lake S
Desktop / Server Segment Desktop / Server
-- Predecessor Intel Core i3-6100
Intel Core i9-9920X Successor Intel Core i3-8100

CPU Cores and Base Frequency

The Intel Core i9-7920X has 12 CPU cores and can calculate 24 threads in parallel. The clock frequency of the Intel Core i9-7920X is 2.90 GHz (4.30 GHz) while the Intel Core i3-7100 has 2 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Core i3-7100 is at 3.90 GHz.

Intel Core i9-7920X Characteristic Intel Core i3-7100
12 Cores 2
24 Threads 4
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking ? No
2.90 GHz Frequency 3.90 GHz
4.30 GHz Turbo Frequency (1 Core) --
3.70 GHz Turbo Frequency (All Cores) --

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Core i9-7920X Characteristic Intel Core i3-7100
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Core i9-7920X or Intel Core i3-7100 has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

no iGPU GPU Intel HD Graphics 630
GPU frequency 0.35 GHz
-- GPU (Turbo) 1.10 GHz
-- GPU Generation 9.5
Technology 14 nm
Max. displays 3
-- Compute units 24
-- Shader 192
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 64 GB
-- DirectX Version 12

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

no iGPU GPU Intel HD Graphics 630
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
No Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
No Codec VP8 Decode / Encode
No Codec AV1 No
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

The Intel Core i9-7920X can use up to 128 GB of memory in 4 memory channels. The maximum memory bandwidth is 85.4 GB/s. The Intel Core i3-7100 supports up to 64 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 38.4 GB/s.

Intel Core i9-7920X Characteristic Intel Core i3-7100
DDR4-2666 Memory DDR4-2400, DDR3-1600
128 GB Max. Memory 64 GB
4 (Quad Channel) Memory channels 2 (Dual Channel)
85.4 GB/s Max. Bandwidth 38.4 GB/s
No ECC No
-- L2 Cache --
16.00 MB L3 Cache 3.00 MB
3.0 PCIe version 3.0
44 PCIe lanes 16
43.3 GB/s PCIe Bandwidth 15.8 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Core i9-7920X is 165 W, while the Intel Core i3-7100 has a TDP of 51 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Core i9-7920X Characteristic Intel Core i3-7100
165 W TDP (PL1 / PBP) 51 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 100 °C

Technical details

The Intel Core i9-7920X is manufactured in 14 nm and has 16.00 MB cache. The Intel Core i3-7100 is manufactured in 14 nm and has a 3.00 MB cache.

Intel Core i9-7920X Characteristic Intel Core i3-7100
14 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX-512 ISA extensions SSE4.1, SSE4.2, AVX2
LGA 2066 Socket LGA 1151
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q3/2017 Release date Q1/2017
1189 $ Release price --
show more data show more data


Rate these processors

Here you can rate the Intel Core i9-7920X to help other visitors make their purchasing decisions. The average rating is 4.0 stars (1 ratings). Rate now:
Here you can rate the Intel Core i3-7100 to help other visitors make their purchasing decisions. The average rating is 4.6 stars (5 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks
Intel Core i9-7920X (100%)
Intel Core i3-7100 (87%)
⌀ Multi core performance in 5 CPU benchmarks
Intel Core i9-7920X (100%)
Intel Core i3-7100 (19%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i9-7920X Intel Core i9-7920X
12C 24T @ 4.30 GHz
1133 (100%)
Intel Core i3-7100 Intel Core i3-7100
2C 4T @ 3.90 GHz
973 (86%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i9-7920X Intel Core i9-7920X
12C 24T @ 3.70 GHz
11498 (100%)
Intel Core i3-7100 Intel Core i3-7100
2C 4T @ 3.90 GHz
2076 (18%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Core i9-7920X Intel Core i9-7920X
12C 24T @ 4.30 GHz
1410 (100%)
Intel Core i3-7100 Intel Core i3-7100
2C 4T @ 3.90 GHz
1225 (87%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Core i9-7920X Intel Core i9-7920X
12C 24T @ 3.70 GHz
9881 (100%)
Intel Core i3-7100 Intel Core i3-7100
2C 4T @ 3.90 GHz
2436 (25%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Core i9-7920X Intel Core i9-7920X
12C 24T @ 3.70 GHz
23625 (100%)
Intel Core i3-7100 Intel Core i3-7100
2C 4T @ 3.90 GHz
4360 (18%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core i9-7920X Intel Core i9-7920X
12C 24T @ 2.90 GHz
6200 (100%)
Intel Core i3-7100 Intel Core i3-7100
2C 4T @ 3.90 GHz
1104 (18%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i9-7920X Intel Core i9-7920X
12C 24T @ 4.30 GHz
188 (100%)
Intel Core i3-7100 Intel Core i3-7100
2C 4T @ 3.90 GHz
168 (89%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i9-7920X Intel Core i9-7920X
12C 24T @ 3.70 GHz
2438 (100%)
Intel Core i3-7100 Intel Core i3-7100
2C 4T @ 3.90 GHz
425 (17%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Core i9-7920X Intel Core i9-7920X
@ 0.00 GHz
0 (0%)
Intel Core i3-7100 Intel Core i3-7100
Intel HD Graphics 630 @ 1.10 GHz
422 (100%)

Blender 2.81 (bmw27)

Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.
Intel Core i9-7920X Intel Core i9-7920X
12C 24T @ 3.70 GHz
120.9 (100%)
Intel Core i3-7100 Intel Core i3-7100
2C 4T @ 3.90 GHz
0 (0%)

CPU-Z Benchmark 17 (Single-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core i9-7920X Intel Core i9-7920X
12C 24T @ 3.70 GHz
0 (0%)
Intel Core i3-7100 Intel Core i3-7100
2C 4T @ 3.90 GHz
375 (100%)

Devices using this processor

Intel Core i9-7920X Intel Core i3-7100
Unknown Unknown

Popular comparisons containing this CPUs

1. Intel Core i3-7100Intel Core i5-7400 Intel Core i3-7100 vs Intel Core i5-7400
2. Intel Pentium G4560Intel Core i3-7100 Intel Pentium G4560 vs Intel Core i3-7100
3. Intel Core i3-7100Intel Core i3-6100 Intel Core i3-7100 vs Intel Core i3-6100
4. Intel Core i5-6500Intel Core i3-7100 Intel Core i5-6500 vs Intel Core i3-7100
5. Intel Core i3-8100Intel Core i3-7100 Intel Core i3-8100 vs Intel Core i3-7100
6. AMD Ryzen 3 1200Intel Core i3-7100 AMD Ryzen 3 1200 vs Intel Core i3-7100
7. Intel Pentium G4600Intel Core i3-7100 Intel Pentium G4600 vs Intel Core i3-7100
8. Intel Core i3-7100Intel Core i5-7500 Intel Core i3-7100 vs Intel Core i5-7500
9. Intel Core i5-6400Intel Core i3-7100 Intel Core i5-6400 vs Intel Core i3-7100
10. Intel Pentium Gold G5400Intel Core i3-7100 Intel Pentium Gold G5400 vs Intel Core i3-7100


back to index