Intel Pentium G4520 vs Intel Pentium Gold 6405U

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CPU comparison with benchmarks


Intel Pentium G4520 CPU1 vs CPU2 Intel Pentium Gold 6405U
Intel Pentium G4520 Intel Pentium Gold 6405U

CPU comparison

In this CPU comparison, we compare the Intel Pentium G4520 and the Intel Pentium Gold 6405U and use benchmarks to check which processor is faster.

We compare the Intel Pentium G4520 2 core processor released in Q3/2015 with the Intel Pentium Gold 6405U which has 2 CPU cores and was introduced in Q4/2019.
Intel Pentium (150) Family Intel Pentium (150)
Intel Pentium G4000 (5) CPU group Intel Pentium 6000 (1)
6 Generation 10
Skylake S Architecture Comet Lake U
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Pentium G4520 is a 2 core processor with a clock frequency of 3.60 GHz. The processor can compute 2 threads at the same time. The Intel Pentium Gold 6405U clocks with 2.40 GHz, has 2 CPU cores and can calculate 4 threads in parallel.

Intel Pentium G4520 Characteristic Intel Pentium Gold 6405U
2 Cores 2
2 Threads 4
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
3.60 GHz Frequency 2.40 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 Pentium G4520 Characteristic Intel Pentium Gold 6405U
-- 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 HD Graphics 530 GPU Intel UHD Graphics 610
0.35 GHz GPU frequency 0.30 GHz
1.05 GHz GPU (Turbo) 0.95 GHz
9 GPU Generation 9.5
14 nm Technology 14 nm
3 Max. displays 3
24 Compute units 12
192 Shader 96
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 HD Graphics 530 GPU Intel UHD Graphics 610
Decode / Encode Codec h265 / HEVC (8 bit) Decode / Encode
Decode Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
Decode Codec VP9 Decode / Encode
Decode / Encode Codec VP8 Decode / Encode
No Codec AV1 No
Decode / Encode Codec AVC Decode / Encode
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 G4520, while the Intel Pentium Gold 6405U supports a maximum of 64 GB of memory with a maximum memory bandwidth of 38.4 GB/s enabled.

Intel Pentium G4520 Characteristic Intel Pentium Gold 6405U
DDR4-2133 Memory LPDDR3-2133, DDR4-2400
64 GB Max. Memory 64 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
34.1 GB/s Max. Bandwidth 38.4 GB/s
Yes ECC No
-- L2 Cache --
3.00 MB L3 Cache 2.00 MB
3.0 PCIe version 2.0
16 PCIe lanes 12
15.8 GB/s PCIe Bandwidth 6.0 GB/s

Thermal Management

The Intel Pentium G4520 has a TDP of 51 W. The TDP of the Intel Pentium Gold 6405U is 15 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Pentium G4520 Characteristic Intel Pentium Gold 6405U
51 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) --
-- TDP up --
-- TDP down 12.5 W
-- Tjunction max. 100 °C

Technical details

The Intel Pentium G4520 has 3.00 MB cache and is manufactured in 14 nm. The cache of Intel Pentium Gold 6405U is at 2.00 MB. The processor is manufactured in 14 nm.

Intel Pentium G4520 Characteristic Intel Pentium Gold 6405U
14 nm Technology 14 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
LGA 1151 Socket BGA 1528
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, Windows 11, Linux
Q3/2015 Release date Q4/2019
-- Release price 193 $
show more data show more data


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Here you can rate the Intel Pentium Gold 6405U to help other visitors make their purchasing decisions. The average rating is 5.0 stars (1 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Pentium G4520 (100%)
Intel Pentium Gold 6405U (64%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Pentium G4520 (100%)
Intel Pentium Gold 6405U (78%)

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 G4520 Intel Pentium G4520
2C 2T @ 3.60 GHz
921 (100%)
Intel Pentium Gold 6405U Intel Pentium Gold 6405U
2C 4T @ 2.40 GHz
592 (64%)

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 G4520 Intel Pentium G4520
2C 2T @ 3.60 GHz
1757 (100%)
Intel Pentium Gold 6405U Intel Pentium Gold 6405U
2C 4T @ 2.40 GHz
1340 (76%)

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 G4520 Intel Pentium G4520
Intel HD Graphics 530 @ 1.05 GHz
403 (100%)
Intel Pentium Gold 6405U Intel Pentium Gold 6405U
Intel UHD Graphics 610 @ 0.95 GHz
182 (45%)

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 G4520 Intel Pentium G4520
2C 2T @ 3.60 GHz
2952 (100%)
Intel Pentium Gold 6405U Intel Pentium Gold 6405U
2C 4T @ 2.40 GHz
2329 (79%)

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 Pentium G4520 Intel Pentium G4520
2C 2T @ 3.60 GHz
795 (100%)
Intel Pentium Gold 6405U Intel Pentium Gold 6405U
2C 4T @ 2.40 GHz
0 (0%)

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 Pentium G4520 Intel Pentium G4520
2C 2T @ 3.60 GHz
1360 (100%)
Intel Pentium Gold 6405U Intel Pentium Gold 6405U
2C 4T @ 2.40 GHz
0 (0%)

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 Pentium G4520 Intel Pentium G4520
2C 2T @ 3.60 GHz
153 (100%)
Intel Pentium Gold 6405U Intel Pentium Gold 6405U
2C 4T @ 2.40 GHz
0 (0%)

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 Pentium G4520 Intel Pentium G4520
2C 2T @ 3.60 GHz
274 (100%)
Intel Pentium Gold 6405U Intel Pentium Gold 6405U
2C 4T @ 2.40 GHz
0 (0%)

Devices using this processor

Intel Pentium G4520 Intel Pentium Gold 6405U
Unknown Lenovo Ideapad 3 17IML05

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