AMD Athlon II X4 615e vs Intel Core i5-8400B

Last updated: 2023-04-06

CPU comparison with benchmarks


AMD Athlon II X4 615e		Intel Core i5-8400B
CPU comparison AMD Athlon II X4 615e or Intel Core i5-8400B - 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 Athlon II X4 615e has 4 cores with 4 threads and clocks with a maximum frequency of 2.50 GHz. Up to 16 GB of memory is supported in 2 memory channels. The AMD Athlon II X4 615e was released in Q3/2010. The Intel Core i5-8400B has 6 cores with 6 threads and clocks with a maximum frequency of 3.80 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The Intel Core i5-8400B was released in Q2/2018.

AMD Athlon II (52)	Family	Intel Core i5 (331)
AMD Athlon II X4 (Propus) (10)	CPU group	Intel Core i 8000 (20)
1	Generation	8
Propus	Architecture	Coffee Lake S
Desktop / Server	Segment	Desktop / Server
--	Predecessor	--
--	Successor	--

CPU Cores and Base Frequency The AMD Athlon II X4 615e has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the AMD Athlon II X4 615e is 2.50 GHz while the Intel Core i5-8400B has 6 CPU cores and 6 threads can calculate simultaneously. The clock frequency of the Intel Core i5-8400B is at 2.80 GHz (3.80 GHz).
AMD Athlon II X4 615e	Characteristic	Intel Core i5-8400B
4	Cores	6
4	Threads	6
normal	Core architecture	normal
No	Hyperthreading	No
No	Overclocking ?	No
2.50 GHz	Frequency	2.80 GHz
--	Turbo Frequency (1 Core)	3.80 GHz
--	Turbo Frequency (All Cores)	4.00 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 Athlon II X4 615e	Characteristic	Intel Core i5-8400B
--	AI hardware	--
--	AI specifications	--

Internal Graphics The AMD Athlon II X4 615e or Intel Core i5-8400B 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.
no iGPU	GPU	Intel UHD Graphics 630
	GPU frequency	0.35 GHz
--	GPU (Turbo)	1.15 GHz
--	GPU Generation	9.5
	Technology	14 nm
	Max. displays	3
--	Compute units	24
--	Shader	192
No	Hardware Raytracing	No
No	Frame Generation	No
--	Max. GPU Memory	64 GB
--	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.
no iGPU	GPU	Intel UHD Graphics 630
No	Codec h265 / HEVC (8 bit)	Decode / Encode
No	Codec h265 / HEVC (10 bit)	Decode / Encode
No	Codec h264	Decode / Encode
No	Codec VP9	Decode / Encode
No	Codec VP8	Decode / Encode
No	Codec AV1	No
No	Codec AVC	Decode / Encode
No	Codec VC-1	Decode
No	Codec JPEG	Decode / Encode

Memory & PCIe The AMD Athlon II X4 615e can use up to 16 GB of memory in 2 memory channels. The maximum memory bandwidth is 21.3 GB/s. The Intel Core i5-8400B supports up to 64 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 42.7 GB/s.
AMD Athlon II X4 615e	Characteristic	Intel Core i5-8400B
DDR3-1333	Memory	DDR4-2666
16 GB	Max. Memory	64 GB
2 (Dual Channel)	Memory channels	2 (Dual Channel)
21.3 GB/s	Max. Bandwidth	42.7 GB/s
No	ECC	No
2.00 MB	L2 Cache	--
--	L3 Cache	9.00 MB
2.0	PCIe version	3.0
--	PCIe lanes	16
--	PCIe Bandwidth	15.8 GB/s
Thermal Management The thermal design power (TDP for short) of the AMD Athlon II X4 615e is 45 W, while the Intel Core i5-8400B has a TDP of 65 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
AMD Athlon II X4 615e	Characteristic	Intel Core i5-8400B
45 W	TDP (PL1 / PBP)	65 W
--	TDP (PL2)	--
--	TDP up	--
--	TDP down	--
--	Tjunction max.	100 °C
Technical details The AMD Athlon II X4 615e is manufactured in 45 nm and has 2.00 MB cache. The Intel Core i5-8400B is manufactured in 14 nm and has a 9.00 MB cache.
AMD Athlon II X4 615e	Characteristic	Intel Core i5-8400B
45 nm	Technology	14 nm
Unknown	Chip design	Monolithic
x86-64 (64 bit)	Instruction set (ISA)	x86-64 (64 bit)
MMX, 3DNow!, SSE3, SSE4a	ISA extensions	SSE4.1, SSE4.2, AVX2
AM3	Socket	BGA 1440
AMD-V	Virtualization	VT-x, VT-x EPT, VT-d
No	AES-NI	Yes
Windows 10, Linux	Operating systems	Windows 10, Windows 11, Linux
Q3/2010	Release date	Q2/2018
--	Release price	260 $

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AMD Athlon II X4 615e 4C 4T @ 2.50 GHz buy now on Amazon and save! Intel Core i5-8400B 6C 6T @ 2.80 GHz (3.80 GHz) buy now on Amazon and save!

Rate these processors

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 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 Athlon II X4 615e 4C 4T @ 2.50 GHz	327 (100%)
	Intel Core i5-8400B 6C 6T @ 3.80 GHz	0 (0%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 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 Athlon II X4 615e 4C 4T @ 2.50 GHz	1239 (100%)
	Intel Core i5-8400B 6C 6T @ 4.00 GHz	0 (0%)

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 Athlon II X4 615e 4C 4T @ 2.50 GHz	331 (100%)
	Intel Core i5-8400B 6C 6T @ 3.80 GHz	0 (0%)

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 Athlon II X4 615e 4C 4T @ 2.50 GHz	1161 (100%)
	Intel Core i5-8400B 6C 6T @ 4.00 GHz	0 (0%)

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 Athlon II X4 615e 4C 4T @ 2.50 GHz	130 (100%)
	Intel Core i5-8400B 6C 6T @ 3.80 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.


	AMD Athlon II X4 615e 4C 4T @ 2.50 GHz	457 (100%)
	Intel Core i5-8400B 6C 6T @ 4.00 GHz	0 (0%)

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 Athlon II X4 615e @ 0.00 GHz	0 (0%)
	Intel Core i5-8400B Intel UHD Graphics 630 @ 1.15 GHz	442 (100%)

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.


	AMD Athlon II X4 615e 4C 4T @ 2.50 GHz	0 (0%)
	Intel Core i5-8400B 6C 6T @ 4.00 GHz	76 (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.


	AMD Athlon II X4 615e 4C 4T @ 2.50 GHz	1966 (100%)
	Intel Core i5-8400B 6C 6T @ 4.00 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.


	AMD Athlon II X4 615e 4C 4T @ 2.50 GHz	60 (100%)
	Intel Core i5-8400B 6C 6T @ 3.80 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 Athlon II X4 615e 4C 4T @ 2.50 GHz	240 (100%)
	Intel Core i5-8400B 6C 6T @ 4.00 GHz	0 (0%)

Devices using this processor
AMD Athlon II X4 615e	Intel Core i5-8400B
Unknown	Unknown

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