Intel Pentium Gold 6405U vs AMD A8-6600K

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CPU comparison with benchmarks


Intel Pentium Gold 6405U CPU1 vs CPU2 AMD A8-6600K
Intel Pentium Gold 6405U AMD A8-6600K

CPU comparison

In this CPU comparison, we compare the Intel Pentium Gold 6405U and the AMD A8-6600K 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 AMD A8-6600K which has 4 CPU cores and was introduced in Q2/2013.
Intel Pentium (150) Family AMD A (112)
Intel Pentium 6000 (1) CPU group AMD A8-6000 (4)
10 Generation 3
Comet Lake U Architecture Richland (Piledriver)
Mobile Segment Desktop / Server
-- 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 AMD A8-6600K clocks with 3.90 GHz (4.20 GHz), has 4 CPU cores and can calculate 4 threads in parallel.

Intel Pentium Gold 6405U Characteristic AMD A8-6600K
2 Cores 4
4 Threads 4
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? Yes
2.40 GHz Frequency 3.90 GHz
-- Turbo Frequency (1 Core) 4.20 GHz
-- Turbo Frequency (All Cores) 4.20 GHz

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

Intel Pentium Gold 6405U Characteristic AMD A8-6600K
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

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 AMD Radeon HD 8570D
0.30 GHz GPU frequency 0.84 GHz
0.95 GHz GPU (Turbo) --
9.5 GPU Generation 5
14 nm Technology 32 nm
3 Max. displays 2
12 Compute units 4
96 Shader 256
No Hardware Raytracing No
No Frame Generation No
32 GB Max. GPU Memory 2 GB
12 DirectX Version 11.2

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 AMD Radeon HD 8570D
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 Decode
Decode / Encode Codec VP9 No
Decode / Encode Codec VP8 No
No Codec AV1 No
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 AMD A8-6600K supports a maximum of GB of memory with a maximum memory bandwidth of 29.9 GB/s enabled.

Intel Pentium Gold 6405U Characteristic AMD A8-6600K
LPDDR3-2133, DDR4-2400 Memory DDR3-1866
64 GB Max. Memory
2 (Dual Channel) Memory channels 2 (Dual Channel)
38.4 GB/s Max. Bandwidth 29.9 GB/s
No ECC No
-- L2 Cache --
2.00 MB L3 Cache 4.00 MB
2.0 PCIe version --
12 PCIe lanes --
6.0 GB/s PCIe Bandwidth --

Thermal Management

The Intel Pentium Gold 6405U has a TDP of 15 W. The TDP of the AMD A8-6600K is 100 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Pentium Gold 6405U Characteristic AMD A8-6600K
15 W TDP (PL1 / PBP) 100 W
-- TDP (PL2) --
-- TDP up --
12.5 W TDP down --
100 °C Tjunction max. --

Technical details

The Intel Pentium Gold 6405U has 2.00 MB cache and is manufactured in 14 nm. The cache of AMD A8-6600K is at 4.00 MB. The processor is manufactured in 32 nm.

Intel Pentium Gold 6405U Characteristic AMD A8-6600K
14 nm Technology 32 nm
Monolithic Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2 ISA extensions SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4
BGA 1528 Socket FM2
VT-x, VT-x EPT, VT-d Virtualization AMD-V
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Linux
Q4/2019 Release date Q2/2013
193 $ Release price 85 $
show more data show more data


Rate these processors

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:
Here you can rate the AMD A8-6600K to help other visitors make their purchasing decisions. The average rating is 3.0 stars (4 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Pentium Gold 6405U (100%)
AMD A8-6600K (91%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Pentium Gold 6405U (86%)
AMD A8-6600K (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%)
AMD A8-6600K AMD A8-6600K
4C 4T @ 4.20 GHz
537 (91%)

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 (92%)
AMD A8-6600K AMD A8-6600K
4C 4T @ 4.20 GHz
1461 (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 Pentium Gold 6405U Intel Pentium Gold 6405U
Intel UHD Graphics 610 @ 0.95 GHz
182 (42%)
AMD A8-6600K AMD A8-6600K
AMD Radeon HD 8570D @ 0.84 GHz
432 (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 Pentium Gold 6405U Intel Pentium Gold 6405U
2C 4T @ 2.40 GHz
2329 (79%)
AMD A8-6600K AMD A8-6600K
4C 4T @ 4.20 GHz
2959 (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 Pentium Gold 6405U Intel Pentium Gold 6405U
2C 4T @ 2.40 GHz
0 (0%)
AMD A8-6600K AMD A8-6600K
4C 4T @ 3.90 GHz
771 (100%)

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 Gold 6405U Intel Pentium Gold 6405U
2C 4T @ 2.40 GHz
0 (0%)
AMD A8-6600K AMD A8-6600K
4C 4T @ 4.20 GHz
94 (100%)

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 Gold 6405U Intel Pentium Gold 6405U
2C 4T @ 2.40 GHz
0 (0%)
AMD A8-6600K AMD A8-6600K
4C 4T @ 4.20 GHz
306 (100%)

Devices using this processor

Intel Pentium Gold 6405U AMD A8-6600K
Lenovo Ideapad 3 17IML05 Unknown

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