Intel Core i5-3450 vs AMD Athlon Silver 7120U

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CPU comparison with benchmarks


Intel Core i5-3450 CPU1 vs CPU2 AMD Athlon Silver 7120U
Intel Core i5-3450 AMD Athlon Silver 7120U

CPU comparison

Intel Core i5-3450 or AMD Athlon Silver 7120U - 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 Athlon Silver 7120U has 2 cores with 2 threads and clocks with a maximum frequency of 3.50 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The AMD Athlon Silver 7120U was released in Q3/2022.
Intel Core i5 (331) Family AMD Athlon (29)
Intel Core i 3000 (31) CPU group AMD Athlon Silver 7000 (2)
3 Generation 5
Ivy Bridge S Architecture Mendocino (Zen2)
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

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 Athlon Silver 7120U has 2 CPU cores and 2 threads can calculate simultaneously. The clock frequency of the AMD Athlon Silver 7120U is at 2.40 GHz (3.50 GHz).

Intel Core i5-3450 Characteristic AMD Athlon Silver 7120U
4 Cores 2
4 Threads 2
normal Core architecture normal
No Hyperthreading No
No Overclocking ? No
3.10 GHz Frequency 2.40 GHz
3.50 GHz Turbo Frequency (1 Core) 3.50 GHz
-- Turbo Frequency (All Cores) --

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

Intel Core i5-3450 Characteristic AMD Athlon Silver 7120U
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The Intel Core i5-3450 or AMD Athlon Silver 7120U 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 AMD Radeon 610M
0.65 GHz GPU frequency 0.40 GHz
1.10 GHz GPU (Turbo) 1.90 GHz
7 GPU Generation 9
22 nm Technology 6 nm
3 Max. displays 3
6 Compute units 2
48 Shader 128
No Hardware Raytracing Yes
No Frame Generation No
2 GB Max. GPU Memory 8 GB
11.0 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 2500 GPU AMD Radeon 610M
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
No Codec VP8 Decode / Encode
No Codec AV1 Decode
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode Codec JPEG Decode / Encode

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 Athlon Silver 7120U supports up to 16 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 44.0 GB/s.

Intel Core i5-3450 Characteristic AMD Athlon Silver 7120U
DDR3-1600 Memory LPDDR5-5500
32 GB Max. Memory 16 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
25.6 GB/s Max. Bandwidth 44.0 GB/s
No ECC Yes
-- L2 Cache 1.00 MB
6.00 MB L3 Cache 2.00 MB
3.0 PCIe version 3.0
16 PCIe lanes 4
15.8 GB/s PCIe Bandwidth 3.9 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Core i5-3450 is 77 W, while the AMD Athlon Silver 7120U has a TDP of 15 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Core i5-3450 Characteristic AMD Athlon Silver 7120U
77 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 95 °C

Technical details

The Intel Core i5-3450 is manufactured in 22 nm and has 6.00 MB cache. The AMD Athlon Silver 7120U is manufactured in 6 nm and has a 3.00 MB cache.

Intel Core i5-3450 Characteristic AMD Athlon Silver 7120U
22 nm Technology 6 nm
Monolithic Chip design Unknown
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 FT6
VT-x, VT-x EPT Virtualization AMD-V, SVM
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 11, Linux
Q2/2012 Release date Q3/2022
195 $ Release price --
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 Athlon Silver 7120U to help other visitors make their purchasing decisions. The average rating is 3.4 stars (21 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Intel Core i5-3450 (82%)
AMD Athlon Silver 7120U (98%)
⌀ Multi core performance in 3 CPU benchmarks
Intel Core i5-3450 (97%)
AMD Athlon Silver 7120U (82%)

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 Athlon Silver 7120U AMD Athlon Silver 7120U
2C 2T @ 3.50 GHz
711 (95%)

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 Athlon Silver 7120U AMD Athlon Silver 7120U
2C 2T @ 2.40 GHz
1199 (48%)

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 (63%)
AMD Athlon Silver 7120U AMD Athlon Silver 7120U
2C 2T @ 3.50 GHz
1093 (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 i5-3450 Intel Core i5-3450
4C 4T @ 3.10 GHz
1966 (100%)
AMD Athlon Silver 7120U AMD Athlon Silver 7120U
2C 2T @ 2.40 GHz
1911 (97%)

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 (28%)
AMD Athlon Silver 7120U AMD Athlon Silver 7120U
AMD Radeon 610M @ 1.90 GHz
383 (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 (90%)
AMD Athlon Silver 7120U AMD Athlon Silver 7120U
2C 2T @ 2.40 GHz
4978 (100%)

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 Athlon Silver 7120U AMD Athlon Silver 7120U
2C 2T @ 2.40 GHz
0 (0%)

Devices using this processor

Intel Core i5-3450 AMD Athlon Silver 7120U
Unknown Unknown

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