Intel Pentium Gold 6405U vs Intel Core i3-1120G4

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CPU comparison with benchmarks


Intel Pentium Gold 6405U CPU1 vs CPU2 Intel Core i3-1120G4
Intel Pentium Gold 6405U Intel Core i3-1120G4

CPU comparison

In this CPU comparison, we compare the Intel Pentium Gold 6405U and the Intel Core i3-1120G4 and use benchmarks to check which processor is faster.

We compare the Intel Pentium Gold 6405U 2 core processor released in Q4/2019 with the Intel Core i3-1120G4 which has 2 CPU cores and was introduced in Q4/2020.
Intel Pentium (150) Family Intel Core i3 (202)
Intel Pentium 6000 (1) CPU group Intel Core i 1100G/11000U (19)
10 Generation 11
Comet Lake U Architecture Tiger Lake U
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Pentium Gold 6405U is a 2 core processor with a clock frequency of 2.40 GHz. The processor can compute 4 threads at the same time. The Intel Core i3-1120G4 clocks with 2.50 GHz (3.90 GHz), has 2 CPU cores and can calculate 4 threads in parallel.

Intel Pentium Gold 6405U Characteristic Intel Core i3-1120G4
2 Cores 2
4 Threads 4
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
2.40 GHz Frequency 2.50 GHz
-- Turbo Frequency (1 Core) 3.90 GHz
-- Turbo Frequency (All Cores) 3.90 GHz

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 Pentium Gold 6405U Characteristic Intel Core i3-1120G4
-- AI hardware --
-- AI specifications --

Internal Graphics

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

Intel UHD Graphics 610 GPU Intel UHD Graphics (Tiger Lake G4)
0.30 GHz GPU frequency 0.30 GHz
0.95 GHz GPU (Turbo) 1.10 GHz
9.5 GPU Generation 11
14 nm Technology 10 nm
3 Max. displays 4
12 Compute units 48
96 Shader 384
No Hardware Raytracing No
No Frame Generation No
32 GB Max. GPU Memory 32 GB
12 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 UHD Graphics 610 GPU Intel UHD Graphics (Tiger Lake G4)
Decode / Encode Codec h265 / HEVC (8 bit) Decode / Encode
Decode / Encode Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
Decode / Encode Codec VP9 Decode
Decode / Encode Codec VP8 Decode
No Codec AV1 Decode
Decode / Encode Codec AVC Decode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

Up to 64 GB of memory in a maximum of 2 memory channels is supported by the Intel Pentium Gold 6405U, while the Intel Core i3-1120G4 supports a maximum of 32 GB of memory with a maximum memory bandwidth of 68.2 GB/s enabled.

Intel Pentium Gold 6405U Characteristic Intel Core i3-1120G4
LPDDR3-2133, DDR4-2400 Memory LPDDR4X-4266
64 GB Max. Memory 32 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
38.4 GB/s Max. Bandwidth 68.2 GB/s
No ECC No
-- L2 Cache --
2.00 MB L3 Cache 6.00 MB
2.0 PCIe version 4.0
12 PCIe lanes 4
6.0 GB/s PCIe Bandwidth 7.9 GB/s

Thermal Management

The Intel Pentium Gold 6405U has a TDP of 15 W. The TDP of the Intel Core i3-1120G4 is 15 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Pentium Gold 6405U Characteristic Intel Core i3-1120G4
15 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) --
-- TDP up --
12.5 W TDP down 7 W
100 °C Tjunction max. 100 °C

Technical details

The Intel Pentium Gold 6405U has 2.00 MB cache and is manufactured in 14 nm. The cache of Intel Core i3-1120G4 is at 6.00 MB. The processor is manufactured in 10 nm.

Intel Pentium Gold 6405U Characteristic Intel Core i3-1120G4
14 nm Technology 10 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2 ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
BGA 1528 Socket BGA 1526
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Windows 11, Linux
Q4/2019 Release date Q4/2020
193 $ Release price 309 $
show more data show more data


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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 Pentium Gold 6405U Intel Pentium Gold 6405U
Intel UHD Graphics 610 @ 0.95 GHz
182 (22%)
Intel Core i3-1120G4 Intel Core i3-1120G4
Intel UHD Graphics (Tiger Lake G4) @ 1.10 GHz
845 (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 Pentium Gold 6405U Intel Pentium Gold 6405U
2C 4T @ 2.40 GHz
592 (100%)
Intel Core i3-1120G4 Intel Core i3-1120G4
2C 4T @ 3.90 GHz
0 (0%)

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 Pentium Gold 6405U Intel Pentium Gold 6405U
2C 4T @ 2.40 GHz
1340 (100%)
Intel Core i3-1120G4 Intel Core i3-1120G4
2C 4T @ 3.90 GHz
0 (0%)

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 Pentium Gold 6405U Intel Pentium Gold 6405U
2C 4T @ 2.40 GHz
2329 (100%)
Intel Core i3-1120G4 Intel Core i3-1120G4
2C 4T @ 3.90 GHz
0 (0%)

Devices using this processor

Intel Pentium Gold 6405U Intel Core i3-1120G4
Lenovo Ideapad 3 17IML05 Unknown

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