Intel Core i5-6400 vs AMD FX-6300

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CPU comparison with benchmarks


Intel Core i5-6400 CPU1 vs CPU2 AMD FX-6300
Intel Core i5-6400 AMD FX-6300

CPU comparison

In this CPU comparison, we compare the Intel Core i5-6400 and the AMD FX-6300 and use benchmarks to check which processor is faster.

We compare the Intel Core i5-6400 4 core processor released in Q3/2015 with the AMD FX-6300 which has 6 CPU cores and was introduced in Q4/2012.
Intel Core i5 (328) Family AMD FX (30)
Intel Core i 6000 (24) CPU group AMD FX-6300 (2)
6 Generation 2
Skylake S Architecture Vishera (Bulldozer)
Desktop / Server Segment Desktop / Server
-- Predecessor --
Intel Core i5-7400 Successor --

CPU Cores and Base Frequency

The Intel Core i5-6400 is a 4 core processor with a clock frequency of 2.70 GHz (3.30 GHz). The processor can compute 4 threads at the same time. The AMD FX-6300 clocks with 3.50 GHz (4.10 GHz), has 6 CPU cores and can calculate 6 threads in parallel.

Intel Core i5-6400 Characteristic AMD FX-6300
4 Cores 6
4 Threads 6
normal Core architecture normal
No Hyperthreading No
No Overclocking ? Yes
2.70 GHz Frequency 3.50 GHz
3.30 GHz Turbo Frequency (1 Core) 4.10 GHz
3.00 GHz Turbo Frequency (All Cores) 4.10 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 Core i5-6400 Characteristic AMD FX-6300
-- 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 no iGPU
0.35 GHz GPU frequency --
1.15 GHz GPU (Turbo) --
9 GPU Generation --
14 nm Technology
3 Max. displays
24 Compute units --
192 Shader --
No Hardware Raytracing No
No Frame Generation No
32 GB Max. GPU Memory --
12 DirectX Version --

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 no iGPU
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
Decode Codec VP9 No
Decode / Encode Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

Up to 64 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i5-6400, while the AMD FX-6300 supports a maximum of 32 GB of memory with a maximum memory bandwidth of -- enabled.

Intel Core i5-6400 Characteristic AMD FX-6300
DDR4-2133, DDR3-1600 Memory
64 GB Max. Memory 32 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
34.1 GB/s Max. Bandwidth --
No ECC No
-- L2 Cache --
6.00 MB L3 Cache 8.00 MB
3.0 PCIe version 3.0
16 PCIe lanes --
15.8 GB/s PCIe Bandwidth --

Thermal Management

The Intel Core i5-6400 has a TDP of 65 W. The TDP of the AMD FX-6300 is 95 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Core i5-6400 Characteristic AMD FX-6300
65 W TDP (PL1 / PBP) 95 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 71 °C

Technical details

The Intel Core i5-6400 has 6.00 MB cache and is manufactured in 14 nm. The cache of AMD FX-6300 is at 8.00 MB. The processor is manufactured in 32 nm.

Intel Core i5-6400 Characteristic AMD FX-6300
14 nm Technology 32 nm
Monolithic Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX, FMA3, FMA4
LGA 1151 Socket AM3+
VT-x, VT-x EPT, VT-d Virtualization AMD-V
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q3/2015 Release date Q4/2012
-- Release price 95 $
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 5 CPU benchmarks
⌀ Multi core performance in 7 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.
Intel Core i5-6400 Intel Core i5-6400
4C 4T @ 3.30 GHz
841 (100%)
AMD FX-6300 AMD FX-6300
6C 6T @ 4.10 GHz
529 (63%)

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 i5-6400 Intel Core i5-6400
4C 4T @ 3.00 GHz
2706 (100%)
AMD FX-6300 AMD FX-6300
6C 6T @ 4.10 GHz
1916 (71%)

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 i5-6400 Intel Core i5-6400
4C 4T @ 3.30 GHz
1134 (100%)
AMD FX-6300 AMD FX-6300
6C 6T @ 4.10 GHz
534 (47%)

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 i5-6400 Intel Core i5-6400
4C 4T @ 3.00 GHz
3086 (100%)
AMD FX-6300 AMD FX-6300
6C 6T @ 4.10 GHz
1586 (51%)

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.
Intel Core i5-6400 Intel Core i5-6400
4C 4T @ 3.30 GHz
275 (100%)
AMD FX-6300 AMD FX-6300
6C 6T @ 4.10 GHz
195 (71%)

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.
Intel Core i5-6400 Intel Core i5-6400
4C 4T @ 3.00 GHz
1061 (100%)
AMD FX-6300 AMD FX-6300
6C 6T @ 4.10 GHz
854 (80%)

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 i5-6400 Intel Core i5-6400
4C 4T @ 3.00 GHz
5177 (100%)
AMD FX-6300 AMD FX-6300
6C 6T @ 4.10 GHz
4182 (81%)

Blender 2.81 (bmw27)

Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.
Intel Core i5-6400 Intel Core i5-6400
4C 4T @ 3.00 GHz
730 (52%)
AMD FX-6300 AMD FX-6300
6C 6T @ 4.10 GHz
1407.7 (100%)

CPU-Z Benchmark 17 (Single-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 i5-6400 Intel Core i5-6400
4C 4T @ 3.00 GHz
359 (100%)
AMD FX-6300 AMD FX-6300
6C 6T @ 4.10 GHz
221 (62%)

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 i5-6400 Intel Core i5-6400
4C 4T @ 2.70 GHz
1360 (100%)
AMD FX-6300 AMD FX-6300
6C 6T @ 3.50 GHz
1003 (74%)

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 Core i5-6400 Intel Core i5-6400
4C 4T @ 3.30 GHz
140 (100%)
AMD FX-6300 AMD FX-6300
6C 6T @ 4.10 GHz
94 (67%)

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 Core i5-6400 Intel Core i5-6400
4C 4T @ 3.00 GHz
497 (100%)
AMD FX-6300 AMD FX-6300
6C 6T @ 4.10 GHz
456 (92%)

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 i5-6400 Intel Core i5-6400
Intel HD Graphics 530 @ 1.15 GHz
442 (100%)
AMD FX-6300 AMD FX-6300
@ 0.00 GHz
0 (0%)

Blender 3.1 Benchmark

In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
Intel Core i5-6400 Intel Core i5-6400
4C 4T @ 3.00 GHz
0 (0%)
AMD FX-6300 AMD FX-6300
6C 6T @ 4.10 GHz
29 (100%)

Devices using this processor

Intel Core i5-6400 AMD FX-6300
Unknown Unknown

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