Intel Core i5-6400 vs AMD Ryzen 3 7320U

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CPU comparison with benchmarks


Intel Core i5-6400 CPU1 vs CPU2 AMD Ryzen 3 7320U
Intel Core i5-6400 AMD Ryzen 3 7320U

CPU comparison

In this CPU comparison, we compare the Intel Core i5-6400 and the AMD Ryzen 3 7320U 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 Ryzen 3 7320U which has 4 CPU cores and was introduced in Q3/2022.
Intel Core i5 (331) Family AMD Ryzen 3 (33)
Intel Core i 6000 (24) CPU group AMD Ryzen 7020U (4)
6 Generation 6
Skylake S Architecture Mendocino (Zen 2)
Desktop / Server Segment Mobile
-- 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 Ryzen 3 7320U clocks with 2.40 GHz (4.10 GHz), has 4 CPU cores and can calculate 8 threads in parallel.

Intel Core i5-6400 Characteristic AMD Ryzen 3 7320U
4 Cores 4
4 Threads 8
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
2.70 GHz Frequency 2.40 GHz
3.30 GHz Turbo Frequency (1 Core) 4.10 GHz
3.00 GHz Turbo Frequency (All Cores) 3.20 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 Ryzen 3 7320U
-- 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 AMD Radeon 610M
0.35 GHz GPU frequency 0.40 GHz
1.15 GHz GPU (Turbo) 1.90 GHz
9 GPU Generation 9
14 nm Technology 6 nm
3 Max. displays 3
24 Compute units 2
192 Shader 128
No Hardware Raytracing Yes
No Frame Generation No
32 GB Max. GPU Memory 8 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 AMD Radeon 610M
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 Decode
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 Core i5-6400, while the AMD Ryzen 3 7320U supports a maximum of 16 GB of memory with a maximum memory bandwidth of 44.0 GB/s enabled.

Intel Core i5-6400 Characteristic AMD Ryzen 3 7320U
DDR4-2133, DDR3-1600 Memory LPDDR5-5500
64 GB Max. Memory 16 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
34.1 GB/s Max. Bandwidth 44.0 GB/s
No ECC No
-- L2 Cache 2.00 MB
6.00 MB L3 Cache 4.00 MB
3.0 PCIe version 3.0
16 PCIe lanes 4
15.8 GB/s PCIe Bandwidth 3.9 GB/s

Thermal Management

The Intel Core i5-6400 has a TDP of 65 W. The TDP of the AMD Ryzen 3 7320U is 15 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Core i5-6400 Characteristic AMD Ryzen 3 7320U
65 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) --
-- TDP up --
-- TDP down 8 W
-- Tjunction max. 100 °C

Technical details

The Intel Core i5-6400 has 6.00 MB cache and is manufactured in 14 nm. The cache of AMD Ryzen 3 7320U is at 6.00 MB. The processor is manufactured in 6 nm.

Intel Core i5-6400 Characteristic AMD Ryzen 3 7320U
14 nm Technology 6 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
LGA 1151 Socket FT6
VT-x, VT-x EPT, VT-d Virtualization AMD-V, SVM
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Windows 11, Linux
Q3/2015 Release date Q3/2022
-- Release price --
show more data show more data


Rate these processors

Here you can rate the Intel Core i5-6400 to help other visitors make their purchasing decisions. The average rating is 3.0 stars (4 ratings). Rate now:
Here you can rate the AMD Ryzen 3 7320U to help other visitors make their purchasing decisions. The average rating is 4.2 stars (13 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Intel Core i5-6400 (84%)
AMD Ryzen 3 7320U (100%)
⌀ Multi core performance in 3 CPU benchmarks
Intel Core i5-6400 (67%)
AMD Ryzen 3 7320U (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 Core i5-6400 Intel Core i5-6400
4C 4T @ 3.30 GHz
841 (81%)
AMD Ryzen 3 7320U AMD Ryzen 3 7320U
4C 8T @ 4.10 GHz
1043 (100%)

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 (69%)
AMD Ryzen 3 7320U AMD Ryzen 3 7320U
4C 8T @ 3.20 GHz
3909 (100%)

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 (86%)
AMD Ryzen 3 7320U AMD Ryzen 3 7320U
4C 8T @ 4.10 GHz
1324 (100%)

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 (76%)
AMD Ryzen 3 7320U AMD Ryzen 3 7320U
4C 8T @ 3.20 GHz
4079 (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 Core i5-6400 Intel Core i5-6400
Intel HD Graphics 530 @ 1.15 GHz
442 (100%)
AMD Ryzen 3 7320U AMD Ryzen 3 7320U
AMD Radeon 610M @ 1.90 GHz
383 (87%)

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 (56%)
AMD Ryzen 3 7320U AMD Ryzen 3 7320U
4C 8T @ 3.20 GHz
9288 (100%)

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 Ryzen 3 7320U AMD Ryzen 3 7320U
4C 8T @ 4.10 GHz
0 (0%)

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 Ryzen 3 7320U AMD Ryzen 3 7320U
4C 8T @ 3.20 GHz
0 (0%)

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 (100%)
AMD Ryzen 3 7320U AMD Ryzen 3 7320U
4C 8T @ 3.20 GHz
0 (0%)

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 Ryzen 3 7320U AMD Ryzen 3 7320U
4C 8T @ 3.20 GHz
0 (0%)

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 Ryzen 3 7320U AMD Ryzen 3 7320U
4C 8T @ 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 Core i5-6400 Intel Core i5-6400
4C 4T @ 3.30 GHz
140 (100%)
AMD Ryzen 3 7320U AMD Ryzen 3 7320U
4C 8T @ 4.10 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.
Intel Core i5-6400 Intel Core i5-6400
4C 4T @ 3.00 GHz
497 (100%)
AMD Ryzen 3 7320U AMD Ryzen 3 7320U
4C 8T @ 3.20 GHz
0 (0%)

Devices using this processor

Intel Core i5-6400 AMD Ryzen 3 7320U
Unknown Unknown

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