Intel Core i5-3450 vs AMD EPYC 7551

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CPU comparison with benchmarks


Intel Core i5-3450 CPU1 vs CPU2 AMD EPYC 7551
Intel Core i5-3450 AMD EPYC 7551

CPU comparison

Intel Core i5-3450 or AMD EPYC 7551 - 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 i5-3450 has 4 cores with 4 threads and clocks with a maximum frequency of 3.50 GHz. Up to 32 GB of memory is supported in 2 memory channels. The Intel Core i5-3450 was released in Q2/2012.

The AMD EPYC 7551 has 32 cores with 64 threads and clocks with a maximum frequency of 3.00 GHz. The CPU supports up to GB of memory in 8 memory channels. The AMD EPYC 7551 was released in Q3/2017.
Intel Core i5 (331) Family AMD EPYC (129)
Intel Core i 3000 (31) CPU group AMD EPYC 7001 (12)
3 Generation 1
Ivy Bridge S Architecture Naples (Zen)
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor AMD EPYC 7552

CPU Cores and Base Frequency

The Intel Core i5-3450 has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Core i5-3450 is 3.10 GHz (3.50 GHz) while the AMD EPYC 7551 has 32 CPU cores and 64 threads can calculate simultaneously. The clock frequency of the AMD EPYC 7551 is at 2.00 GHz (3.00 GHz).

Intel Core i5-3450 Characteristic AMD EPYC 7551
4 Cores 32
4 Threads 64
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
3.10 GHz Frequency 2.00 GHz
3.50 GHz Turbo Frequency (1 Core) 3.00 GHz
-- Turbo Frequency (All Cores) 2.55 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 i5-3450 Characteristic AMD EPYC 7551
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Core i5-3450 or AMD EPYC 7551 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.

Intel HD Graphics 2500 GPU no iGPU
0.65 GHz GPU frequency --
1.10 GHz GPU (Turbo) --
7 GPU Generation --
22 nm Technology
3 Max. displays
6 Compute units --
48 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 2500 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 i5-3450 can use up to 32 GB of memory in 2 memory channels. The maximum memory bandwidth is 25.6 GB/s. The AMD EPYC 7551 supports up to GB of memory in 8 memory channels and achieves a memory bandwidth of up to 170.6 GB/s.

Intel Core i5-3450 Characteristic AMD EPYC 7551
DDR3-1600 Memory DDR4-2666
32 GB Max. Memory
2 (Dual Channel) Memory channels 8 (Octa Channel)
25.6 GB/s Max. Bandwidth 170.6 GB/s
No ECC Yes
-- L2 Cache --
6.00 MB L3 Cache 64.00 MB
3.0 PCIe version 3.0
16 PCIe lanes 128
15.8 GB/s PCIe Bandwidth 126.1 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Core i5-3450 is 77 W, while the AMD EPYC 7551 has a TDP of 180 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Core i5-3450 Characteristic AMD EPYC 7551
77 W TDP (PL1 / PBP) 180 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Core i5-3450 is manufactured in 22 nm and has 6.00 MB cache. The AMD EPYC 7551 is manufactured in 14 nm and has a 64.00 MB cache.

Intel Core i5-3450 Characteristic AMD EPYC 7551
22 nm Technology 14 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
LGA 1155 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 Q3/2017
195 $ Release price 3200 $
show more data show more data


Rate these processors

Here you can rate the Intel Core i5-3450 to help other visitors make their purchasing decisions. The average rating is 4.0 stars (2 ratings). Rate now:
Here you can rate the AMD EPYC 7551 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 0 CPU benchmarks
Intel Core i5-3450 (0%)
AMD EPYC 7551 (0%)
⌀ Multi core performance in 1 CPU benchmarks
Intel Core i5-3450 (21%)
AMD EPYC 7551 (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 i5-3450 Intel Core i5-3450
4C 4T @ 3.10 GHz
4480 (21%)
AMD EPYC 7551 AMD EPYC 7551
32C 64T @ 2.55 GHz
21604 (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 i5-3450 Intel Core i5-3450
4C 4T @ 3.50 GHz
749 (100%)
AMD EPYC 7551 AMD EPYC 7551
32C 64T @ 3.00 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.
Intel Core i5-3450 Intel Core i5-3450
4C 4T @ 3.10 GHz
2483 (100%)
AMD EPYC 7551 AMD EPYC 7551
32C 64T @ 2.55 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 i5-3450 Intel Core i5-3450
4C 4T @ 3.50 GHz
694 (100%)
AMD EPYC 7551 AMD EPYC 7551
32C 64T @ 3.00 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 i5-3450 Intel Core i5-3450
4C 4T @ 3.10 GHz
1966 (100%)
AMD EPYC 7551 AMD EPYC 7551
32C 64T @ 2.55 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.
Intel Core i5-3450 Intel Core i5-3450
Intel HD Graphics 2500 @ 1.10 GHz
106 (100%)
AMD EPYC 7551 AMD EPYC 7551
@ 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 i5-3450 Intel Core i5-3450
4C 4T @ 3.10 GHz
1303 (100%)
AMD EPYC 7551 AMD EPYC 7551
32C 64T @ 2.00 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.
Intel Core i5-3450 Intel Core i5-3450
4C 4T @ 3.50 GHz
0 (0%)
AMD EPYC 7551 AMD EPYC 7551
32C 64T @ 3.00 GHz
132 (100%)

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 i5-3450 Intel Core i5-3450
4C 4T @ 3.10 GHz
0 (0%)
AMD EPYC 7551 AMD EPYC 7551
32C 64T @ 2.55 GHz
3838 (100%)

Devices using this processor

Intel Core i5-3450 AMD EPYC 7551
Unknown Unknown

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