Intel Core i7-3520M vs AMD EPYC 7662

Last updated: 2023-04-27

CPU comparison with benchmarks


Intel Core i7-3520M		AMD EPYC 7662
CPU comparison Intel Core i7-3520M or AMD EPYC 7662 - 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 Intel Core i7-3520M has 2 cores with 4 threads and clocks with a maximum frequency of 3.60 GHz. Up to 32 GB of memory is supported in 2 memory channels. The Intel Core i7-3520M was released in Q2/2012. The AMD EPYC 7662 has 64 cores with 128 threads and clocks with a maximum frequency of 3.30 GHz. The CPU supports up to GB of memory in 8 memory channels. The AMD EPYC 7662 was released in Q1/2020.

Intel Core i7 (298)	Family	AMD EPYC (129)
Intel Core i 3000M (29)	CPU group	AMD EPYC 7002 (24)
3	Generation	2
Ivy Bridge H	Architecture	Rome (Zen 2)
Mobile	Segment	Desktop / Server
--	Predecessor	--
--	Successor	AMD EPYC 7763

CPU Cores and Base Frequency The Intel Core i7-3520M is a 2 core processor with a clock frequency of 2.90 GHz (3.60 GHz). The AMD EPYC 7662 has 64 CPU cores with a clock frequency of 2.00 GHz (3.30 GHz).
Intel Core i7-3520M	Characteristic	AMD EPYC 7662
2	Cores	64
4	Threads	128
normal	Core architecture	normal
Yes	Hyperthreading	Yes
No	Overclocking ?	No
2.90 GHz	Frequency	2.00 GHz
3.60 GHz	Turbo Frequency (1 Core)	3.30 GHz
3.40 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.
Intel Core i7-3520M	Characteristic	AMD EPYC 7662
--	AI hardware	--
--	AI specifications	--

Internal Graphics The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.
Intel HD Graphics 4000	GPU	no iGPU
0.65 GHz	GPU frequency	--
1.25 GHz	GPU (Turbo)	--
7	GPU Generation	--
22 nm	Technology
3	Max. displays
16	Compute units	--
128	Shader	--
No	Hardware Raytracing	No
No	Frame Generation	No
2 GB	Max. GPU Memory	--
11.0	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 4000	GPU	no iGPU
No	Codec h265 / HEVC (8 bit)	No
No	Codec h265 / HEVC (10 bit)	No
Decode / Encode	Codec h264	No
No	Codec VP9	No
No	Codec VP8	No
No	Codec AV1	No
Decode / Encode	Codec AVC	No
Decode	Codec VC-1	No
Decode	Codec JPEG	No

Memory & PCIe The Intel Core i7-3520M supports a maximum of 32 GB of memory in 2 memory channels. The AMD EPYC 7662 can connect up to GB of memory in 8 memory channels.
Intel Core i7-3520M	Characteristic	AMD EPYC 7662
DDR3L-1333, DDR3L-1600, DDR3-1333, DDR3-1600	Memory	DDR4-3200
32 GB	Max. Memory
2 (Dual Channel)	Memory channels	8 (Octa Channel)
25.6 GB/s	Max. Bandwidth	51.2 GB/s
No	ECC	Yes
--	L2 Cache	--
4.00 MB	L3 Cache	256.00 MB
3.0	PCIe version	4.0
16	PCIe lanes	128
15.8 GB/s	PCIe Bandwidth	252.0 GB/s
Thermal Management The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i7-3520M has a TDP of 35 W, that of the AMD EPYC 7662 is 225 W.
Intel Core i7-3520M	Characteristic	AMD EPYC 7662
35 W	TDP (PL1 / PBP)	225 W
--	TDP (PL2)	--
--	TDP up	--
--	TDP down	--
--	Tjunction max.	--
Technical details The Intel Core i7-3520M has a 4.00 MB cache, while the AMD EPYC 7662 cache has a total of 256.00 MB.
Intel Core i7-3520M	Characteristic	AMD EPYC 7662
22 nm	Technology	7 nm
Monolithic	Chip design	Chiplet
x86-64 (64 bit)	Instruction set (ISA)	x86-64 (64 bit)
SSE4.1, SSE4.2, AVX	ISA extensions	SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
BGA 1023	Socket	SP3
VT-x, VT-x EPT	Virtualization	AMD-V, SVM
Yes	AES-NI	Yes
Windows 10, Linux	Operating systems	Windows 10, Linux
Q2/2012	Release date	Q1/2020
346 $	Release price	--

show more data		show more data

Intel Core i7-3520M 2C 4T @ 2.90 GHz (3.60 GHz) buy now on Amazon and save! AMD EPYC 7662 64C 128T @ 2.00 GHz (3.30 GHz) buy now on Amazon and save!

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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks

Intel Core i7-3520M (71%)

AMD EPYC 7662 (100%)

⌀ Multi core performance in 3 CPU benchmarks

Intel Core i7-3520M (4%)

AMD EPYC 7662 (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 i7-3520M 2C 4T @ 3.60 GHz	740 (71%)
	AMD EPYC 7662 64C 128T @ 3.30 GHz	1046 (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 i7-3520M 2C 4T @ 3.40 GHz	1613 (5%)
	AMD EPYC 7662 64C 128T @ 2.40 GHz	33944 (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.


	Intel Core i7-3520M 2C 4T @ 3.40 GHz	663 (4%)
	AMD EPYC 7662 64C 128T @ 2.40 GHz	18203 (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.


	Intel Core i7-3520M 2C 4T @ 3.40 GHz	2862 (4%)
	AMD EPYC 7662 64C 128T @ 2.40 GHz	73144 (100%)

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.


	Intel Core i7-3520M 2C 4T @ 3.60 GHz	621 (100%)
	AMD EPYC 7662 64C 128T @ 3.30 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.


	Intel Core i7-3520M 2C 4T @ 3.40 GHz	1273 (100%)
	AMD EPYC 7662 64C 128T @ 2.40 GHz	0 (0%)

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 i7-3520M 2C 4T @ 3.60 GHz	685 (100%)
	AMD EPYC 7662 64C 128T @ 3.30 GHz	0 (0%)

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 i7-3520M 2C 4T @ 3.40 GHz	1446 (100%)
	AMD EPYC 7662 64C 128T @ 2.40 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.


	Intel Core i7-3520M 2C 4T @ 3.60 GHz	0 (0%)
	AMD EPYC 7662 64C 128T @ 3.30 GHz	386 (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 i7-3520M Intel HD Graphics 4000 @ 1.25 GHz	320 (100%)
	AMD EPYC 7662 @ 0.00 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 i7-3520M 2C 4T @ 2.90 GHz	835 (100%)
	AMD EPYC 7662 64C 128T @ 2.00 GHz	0 (0%)

Devices using this processor
Intel Core i7-3520M	AMD EPYC 7662
Unknown	Unknown

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