AMD A6-6400K vs AMD A6-3500

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CPU comparison with benchmarks


AMD A6-6400K CPU1 vs CPU2 AMD A6-3500
AMD A6-6400K AMD A6-3500

CPU comparison

AMD A6-6400K or AMD A6-3500 - 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 AMD A6-6400K has 2 cores with 2 threads and clocks with a maximum frequency of 4.10 GHz. Up to GB of memory is supported in 2 memory channels. The AMD A6-6400K was released in Q2/2013.

The AMD A6-3500 has 3 cores with 3 threads and clocks with a maximum frequency of 2.40 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD A6-3500 was released in Q3/2011.
AMD A (112) Family AMD A (112)
AMD A6-6000 (3) CPU group AMD A6-3000 (5)
3 Generation 1
Richland (Piledriver) Architecture Llano (K10)
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD A6-6400K has 2 CPU cores and can calculate 2 threads in parallel. The clock frequency of the AMD A6-6400K is 3.90 GHz (4.10 GHz) while the AMD A6-3500 has 3 CPU cores and 3 threads can calculate simultaneously. The clock frequency of the AMD A6-3500 is at 2.10 GHz (2.40 GHz).

AMD A6-6400K Characteristic AMD A6-3500
2 Cores 3
2 Threads 3
normal Core architecture normal
No Hyperthreading No
Yes Overclocking ? Yes
3.90 GHz Frequency 2.10 GHz
4.10 GHz Turbo Frequency (1 Core) 2.40 GHz
4.10 GHz Turbo Frequency (All Cores) 2.40 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.

AMD A6-6400K Characteristic AMD A6-3500
-- AI hardware --
-- AI specifications --

Internal Graphics

The AMD A6-6400K or AMD A6-3500 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.

AMD Radeon HD 8470D GPU AMD Radeon HD 6530D
0.80 GHz GPU frequency 0.44 GHz
-- GPU (Turbo) --
5 GPU Generation 3
32 nm Technology 32 nm
2 Max. displays 0
3 Compute units 5
192 Shader 320
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory 1 GB
11.2 DirectX Version 11

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.

AMD Radeon HD 8470D GPU AMD Radeon HD 6530D
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode Codec h264 Decode
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
Decode Codec AVC Decode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The AMD A6-6400K can use up to GB of memory in 2 memory channels. The maximum memory bandwidth is --. The AMD A6-3500 supports up to GB of memory in 2 memory channels and achieves a memory bandwidth of up to 25.6 GB/s.

AMD A6-6400K Characteristic AMD A6-3500
DDR3-1866 Memory DDR3-1600
Max. Memory
2 (Dual Channel) Memory channels 2 (Dual Channel)
-- Max. Bandwidth 25.6 GB/s
No ECC No
-- L2 Cache --
1.00 MB L3 Cache 3.00 MB
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the AMD A6-6400K is 65 W, while the AMD A6-3500 has a TDP of 65 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

AMD A6-6400K Characteristic AMD A6-3500
65 W TDP (PL1 / PBP) 65 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The AMD A6-6400K is manufactured in 32 nm and has 1.00 MB cache. The AMD A6-3500 is manufactured in 32 nm and has a 3.00 MB cache.

AMD A6-6400K Characteristic AMD A6-3500
32 nm Technology 32 nm
Unknown Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 ISA extensions SSE3, SSE4a
FM2 Socket FM1
AMD-V Virtualization AMD-V
Yes AES-NI No
Windows 10, Linux Operating systems Windows 10, Linux
Q2/2013 Release date Q3/2011
55 $ Release price 47 $
show more data show more data


Rate these processors

Here you can rate the AMD A6-6400K to help other visitors make their purchasing decisions. The average rating is 4.0 stars (1 ratings). Rate now:
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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 3 CPU benchmarks

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.
AMD A6-6400K AMD A6-6400K
2C 2T @ 4.10 GHz
471 (100%)
AMD A6-3500 AMD A6-3500
3C 3T @ 2.40 GHz
303 (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.
AMD A6-6400K AMD A6-6400K
2C 2T @ 4.10 GHz
723 (94%)
AMD A6-3500 AMD A6-3500
3C 3T @ 2.40 GHz
766 (100%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 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.
AMD A6-6400K AMD A6-6400K
2C 2T @ 4.10 GHz
252 (68%)
AMD A6-3500 AMD A6-3500
3C 3T @ 2.40 GHz
368 (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.
AMD A6-6400K AMD A6-6400K
AMD Radeon HD 8470D @ 0.80 GHz
307 (100%)
AMD A6-3500 AMD A6-3500
AMD Radeon HD 6530D @ 0.44 GHz
284 (93%)

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.
AMD A6-6400K AMD A6-6400K
2C 2T @ 4.10 GHz
2397 (100%)
AMD A6-3500 AMD A6-3500
3C 3T @ 2.40 GHz
1995 (83%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 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.
AMD A6-6400K AMD A6-6400K
2C 2T @ 4.10 GHz
0 (0%)
AMD A6-3500 AMD A6-3500
3C 3T @ 2.40 GHz
135 (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.
AMD A6-6400K AMD A6-6400K
2C 2T @ 3.90 GHz
370 (100%)
AMD A6-3500 AMD A6-3500
3C 3T @ 2.10 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.
AMD A6-6400K AMD A6-6400K
2C 2T @ 4.10 GHz
0 (0%)
AMD A6-3500 AMD A6-3500
3C 3T @ 2.40 GHz
166 (100%)

Devices using this processor

AMD A6-6400K AMD A6-3500
Unknown Unknown

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