AMD EPYC 7451 vs Intel Core i3-5015U

Last updated: 2023-04-27

CPU comparison with benchmarks


AMD EPYC 7451		Intel Core i3-5015U
CPU comparison AMD EPYC 7451 or Intel Core i3-5015U - 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 EPYC 7451 has 24 cores with 48 threads and clocks with a maximum frequency of 3.20 GHz. Up to GB of memory is supported in 8 memory channels. The AMD EPYC 7451 was released in Q3/2017. The Intel Core i3-5015U has 2 cores with 4 threads and clocks with a maximum frequency of 2.10 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Core i3-5015U was released in Q1/2015.

AMD EPYC (129)	Family	Intel Core i3 (205)
AMD EPYC 7001 (12)	CPU group	Intel Core i 5000U (16)
1	Generation	5
Naples (Zen)	Architecture	Broadwell U
Desktop / Server	Segment	Mobile
--	Predecessor	--
--	Successor	--

CPU Cores and Base Frequency The AMD EPYC 7451 has 24 CPU cores and can calculate 48 threads in parallel. The clock frequency of the AMD EPYC 7451 is 2.30 GHz (3.20 GHz) while the Intel Core i3-5015U has 2 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Core i3-5015U is at 2.10 GHz.
AMD EPYC 7451	Characteristic	Intel Core i3-5015U
24	Cores	2
48	Threads	4
normal	Core architecture	normal
Yes	Hyperthreading	Yes
No	Overclocking ?	No
2.30 GHz	Frequency	2.10 GHz
3.20 GHz	Turbo Frequency (1 Core)	--
2.90 GHz	Turbo Frequency (All Cores)	--

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 EPYC 7451	Characteristic	Intel Core i3-5015U
--	AI hardware	--
--	AI specifications	--

Internal Graphics The AMD EPYC 7451 or Intel Core i3-5015U 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 HD Graphics 5500
	GPU frequency	0.30 GHz
--	GPU (Turbo)	0.85 GHz
--	GPU Generation	8
	Technology	14 nm
	Max. displays	3
--	Compute units	24
--	Shader	192
No	Hardware Raytracing	No
No	Frame Generation	No
--	Max. GPU Memory	16 GB
--	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.
no iGPU	GPU	Intel HD Graphics 5500
No	Codec h265 / HEVC (8 bit)	No
No	Codec h265 / HEVC (10 bit)	No
No	Codec h264	Decode / Encode
No	Codec VP9	No
No	Codec VP8	Decode
No	Codec AV1	No
No	Codec AVC	Decode / Encode
No	Codec VC-1	Decode
No	Codec JPEG	Decode

Memory & PCIe The AMD EPYC 7451 can use up to GB of memory in 8 memory channels. The maximum memory bandwidth is 170.6 GB/s. The Intel Core i3-5015U supports up to 16 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 25.6 GB/s.
AMD EPYC 7451	Characteristic	Intel Core i3-5015U
DDR4-2666	Memory	DDR3-1600
	Max. Memory	16 GB
8 (Octa Channel)	Memory channels	2 (Dual Channel)
170.6 GB/s	Max. Bandwidth	25.6 GB/s
Yes	ECC	No
--	L2 Cache	--
64.00 MB	L3 Cache	3.00 MB
3.0	PCIe version	2.0
128	PCIe lanes	12
126.1 GB/s	PCIe Bandwidth	6.0 GB/s
Thermal Management The thermal design power (TDP for short) of the AMD EPYC 7451 is 180 W, while the Intel Core i3-5015U has a TDP of 15 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
AMD EPYC 7451	Characteristic	Intel Core i3-5015U
180 W	TDP (PL1 / PBP)	15 W
--	TDP (PL2)	--
--	TDP up	--
--	TDP down	10 W
--	Tjunction max.	105 °C
Technical details The AMD EPYC 7451 is manufactured in 14 nm and has 64.00 MB cache. The Intel Core i3-5015U is manufactured in 14 nm and has a 3.00 MB cache.
AMD EPYC 7451	Characteristic	Intel Core i3-5015U
14 nm	Technology	14 nm
Chiplet	Chip design	Monolithic
x86-64 (64 bit)	Instruction set (ISA)	x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3	ISA extensions	SSE4.1, SSE4.2, AVX2
SP3	Socket	BGA 1168
AMD-V, SVM	Virtualization	VT-x, VT-x EPT, VT-d
Yes	AES-NI	Yes
Windows 10, Linux	Operating systems	Windows 10, Linux
Q3/2017	Release date	Q1/2015
2400 $	Release price	--

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AMD EPYC 7451 24C 48T @ 2.30 GHz (3.20 GHz) buy now on Amazon and save! Intel Core i3-5015U 2C 4T @ 2.10 GHz buy now on Amazon and save!

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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks

AMD EPYC 7451 (100%)

Intel Core i3-5015U (61%)

⌀ Multi core performance in 3 CPU benchmarks

AMD EPYC 7451 (100%)

Intel Core i3-5015U (8%)

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 EPYC 7451 24C 48T @ 3.20 GHz	884 (100%)
	Intel Core i3-5015U 2C 4T @ 2.10 GHz	535 (61%)

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 EPYC 7451 24C 48T @ 2.90 GHz	14671 (100%)
	Intel Core i3-5015U 2C 4T @ 2.10 GHz	1125 (8%)

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 EPYC 7451 24C 48T @ 2.90 GHz	20479 (100%)
	Intel Core i3-5015U 2C 4T @ 2.10 GHz	1878 (9%)

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 EPYC 7451 24C 48T @ 3.20 GHz	141 (100%)
	Intel Core i3-5015U 2C 4T @ 2.10 GHz	85 (60%)

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 EPYC 7451 24C 48T @ 2.90 GHz	3277 (100%)
	Intel Core i3-5015U 2C 4T @ 2.10 GHz	214 (7%)

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.


	AMD EPYC 7451 24C 48T @ 3.20 GHz	0 (0%)
	Intel Core i3-5015U 2C 4T @ 2.10 GHz	665 (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.


	AMD EPYC 7451 24C 48T @ 2.90 GHz	0 (0%)
	Intel Core i3-5015U 2C 4T @ 2.10 GHz	1337 (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.


	AMD EPYC 7451 24C 48T @ 3.20 GHz	317 (100%)
	Intel Core i3-5015U 2C 4T @ 2.10 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.


	AMD EPYC 7451 24C 48T @ 2.90 GHz	6768 (100%)
	Intel Core i3-5015U 2C 4T @ 2.10 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 EPYC 7451 @ 0.00 GHz	0 (0%)
	Intel Core i3-5015U Intel HD Graphics 5500 @ 0.85 GHz	326 (100%)

Devices using this processor
AMD EPYC 7451	Intel Core i3-5015U
Unknown	Unknown

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