Intel Core i7-3720QM vs Intel Core i3-8100B

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CPU comparison with benchmarks


Intel Core i7-3720QM CPU1 vs CPU2 Intel Core i3-8100B
Intel Core i7-3720QM Intel Core i3-8100B

CPU comparison

Intel Core i7-3720QM or Intel Core i3-8100B - 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 i7-3720QM has 4 cores with 8 threads and clocks with a maximum frequency of 3.60 GHz. Up to 32 GB of memory is supported in 2 memory channels. The Intel Core i7-3720QM was released in Q2/2012.

The Intel Core i3-8100B has 4 cores with 4 threads and clocks with a maximum frequency of 3.60 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The Intel Core i3-8100B was released in Q3/2018.
Intel Core i7 (298) Family Intel Core i3 (205)
Intel Core i 3000M (29) CPU group Intel Core i 8000 (20)
3 Generation 8
Ivy Bridge H Architecture Coffee Lake S
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i7-3720QM is a 4 core processor with a clock frequency of 2.60 GHz (3.60 GHz). The Intel Core i3-8100B has 4 CPU cores with a clock frequency of 3.60 GHz.
Intel Core i7-3720QM Characteristic Intel Core i3-8100B
4 Cores 4
8 Threads 4
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
2.60 GHz Frequency 3.60 GHz
3.60 GHz Turbo Frequency (1 Core) --
-- 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 i7-3720QM Characteristic Intel Core i3-8100B
-- AI hardware --
-- AI specifications --

Internal Graphics

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.
Intel HD Graphics 4000 GPU Intel UHD Graphics 630
0.65 GHz GPU frequency 0.35 GHz
1.25 GHz GPU (Turbo) 1.05 GHz
7 GPU Generation 9.5
22 nm Technology 14 nm
3 Max. displays 3
16 Compute units 24
128 Shader 192
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory 64 GB
11.0 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.
Intel HD Graphics 4000 GPU Intel UHD Graphics 630
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
No Codec VP8 Decode / Encode
No Codec AV1 No
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode Codec JPEG Decode / Encode

Memory & PCIe

The Intel Core i7-3720QM supports a maximum of 32 GB of memory in 2 memory channels. The Intel Core i3-8100B can connect up to 64 GB of memory in 2 memory channels.
Intel Core i7-3720QM Characteristic Intel Core i3-8100B
DDR3L-1333, DDR3L-1600, DDR3-1333, DDR3-1600 Memory DDR4-2666
32 GB Max. Memory 64 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
25.6 GB/s Max. Bandwidth 42.7 GB/s
No ECC No
-- L2 Cache --
6.00 MB L3 Cache 6.00 MB
3.0 PCIe version 3.0
16 PCIe lanes 16
15.8 GB/s PCIe Bandwidth 15.8 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i7-3720QM has a TDP of 45 W, that of the Intel Core i3-8100B is 65 W.
Intel Core i7-3720QM Characteristic Intel Core i3-8100B
45 W TDP (PL1 / PBP) 65 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
105 °C Tjunction max. 100 °C

Technical details

The Intel Core i7-3720QM has a 6.00 MB cache, while the Intel Core i3-8100B cache has a total of 6.00 MB.
Intel Core i7-3720QM Characteristic Intel Core i3-8100B
22 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX ISA extensions SSE4.1, SSE4.2, AVX2
BGA 1224 Socket BGA 1440
VT-x, VT-x EPT Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Windows 11, Linux
Q2/2012 Release date Q3/2018
363 $ Release price 133 $
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Intel Core i7-3720QM (67%)
Intel Core i3-8100B (100%)
⌀ Multi core performance in 3 CPU benchmarks
Intel Core i7-3720QM (84%)
Intel Core i3-8100B (100%)

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 i7-3720QM Intel Core i7-3720QM
4C 8T @ 3.60 GHz
758 (78%)
Intel Core i3-8100B Intel Core i3-8100B
4C 4T @ 3.60 GHz
971 (100%)

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 i7-3720QM Intel Core i7-3720QM
4C 8T @ 2.60 GHz
3044 (91%)
Intel Core i3-8100B Intel Core i3-8100B
4C 4T @ 3.60 GHz
3329 (100%)

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 i7-3720QM Intel Core i7-3720QM
4C 8T @ 3.60 GHz
702 (55%)
Intel Core i3-8100B Intel Core i3-8100B
4C 4T @ 3.60 GHz
1265 (100%)

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 i7-3720QM Intel Core i7-3720QM
4C 8T @ 2.60 GHz
2489 (66%)
Intel Core i3-8100B Intel Core i3-8100B
4C 4T @ 3.60 GHz
3784 (100%)

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 i7-3720QM Intel Core i7-3720QM
Intel HD Graphics 4000 @ 1.25 GHz
320 (79%)
Intel Core i3-8100B Intel Core i3-8100B
Intel UHD Graphics 630 @ 1.05 GHz
403 (100%)

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 i7-3720QM Intel Core i7-3720QM
4C 8T @ 2.60 GHz
5689 (94%)
Intel Core i3-8100B Intel Core i3-8100B
4C 4T @ 3.60 GHz
6076 (100%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 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 i7-3720QM Intel Core i7-3720QM
4C 8T @ 3.60 GHz
0 (0%)
Intel Core i3-8100B Intel Core i3-8100B
4C 4T @ 3.60 GHz
896 (100%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 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 i7-3720QM Intel Core i7-3720QM
4C 8T @ 2.60 GHz
0 (0%)
Intel Core i3-8100B Intel Core i3-8100B
4C 4T @ 3.60 GHz
3698 (100%)

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 i7-3720QM Intel Core i7-3720QM
4C 8T @ 2.60 GHz
1672 (100%)
Intel Core i3-8100B Intel Core i3-8100B
4C 4T @ 3.60 GHz
0 (0%)

Devices using this processor
Intel Core i7-3720QM Intel Core i3-8100B
Unknown Unknown

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