AMD FX-8120 vs Samsung Exynos 5420

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CPU comparison with benchmarks


AMD FX-8120 CPU1 vs CPU2 Samsung Exynos 5420
AMD FX-8120 Samsung Exynos 5420

CPU comparison

In this CPU comparison, we compare the AMD FX-8120 and the Samsung Exynos 5420 and use benchmarks to check which processor is faster.

We compare the AMD FX-8120 8 core processor released in Q2/2012 with the Samsung Exynos 5420 which has 8 CPU cores and was introduced in Q3/2013.
AMD FX (30) Family Samsung Exynos (46)
AMD FX-8000 (11) CPU group Samsung Exynos 5260/5410/5420/5422/5800 (5)
2 Generation 3
Vishera (Bulldozer) Architecture Cortex-A15 / Cortex-A7
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD FX-8120 is a 8 core processor with a clock frequency of 3.10 GHz (4.00 GHz). The processor can compute 8 threads at the same time. The Samsung Exynos 5420 clocks with 1.90 GHz, has 8 CPU cores and can calculate 8 threads in parallel.

AMD FX-8120 Characteristic Samsung Exynos 5420
8 Cores 8
8 Threads 8
normal Core architecture hybrid (big.LITTLE)
No Hyperthreading No
Yes Overclocking ? No
3.10 GHz (4.00 GHz) A-Core 1.90 GHz
4x Cortex-A15
-- B-Core 1.30 GHz
4x Cortex-A7

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 FX-8120 Characteristic Samsung Exynos 5420
-- AI hardware --
-- AI specifications --

Internal Graphics

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

no iGPU GPU ARM Mali-T628 MP6
GPU frequency 0.53 GHz
-- GPU (Turbo) --
-- GPU Generation Midgard 2
Technology 32nm
Max. displays 1
-- Compute units 6
-- Shader 96
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
-- DirectX Version 11

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 ARM Mali-T628 MP6
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 / Encode
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG No

Memory & PCIe

Up to GB of memory in a maximum of 2 memory channels is supported by the AMD FX-8120, while the Samsung Exynos 5420 supports a maximum of GB of memory with a maximum memory bandwidth of -- enabled.

AMD FX-8120 Characteristic Samsung Exynos 5420
DDR3-1866 Memory LPDDR3e-933
Max. Memory
2 (Dual Channel) Memory channels 0
29.9 GB/s Max. Bandwidth --
Yes ECC No
-- L2 Cache 2.50 MB
8.00 MB L3 Cache --
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The AMD FX-8120 has a TDP of 95 W. The TDP of the Samsung Exynos 5420 is --. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD FX-8120 Characteristic Samsung Exynos 5420
95 W TDP (PL1 / PBP) --
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The AMD FX-8120 has 8.00 MB cache and is manufactured in 32 nm. The cache of Samsung Exynos 5420 is at 2.50 MB. The processor is manufactured in 28 nm.

AMD FX-8120 Characteristic Samsung Exynos 5420
32 nm Technology 28 nm
Unknown Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) Armv7-A (32 bit)
SSE4.1, SSE4.2, AVX, FMA3, FMA4 ISA extensions --
AM3+ Socket --
AMD-V Virtualization None
Yes AES-NI No
Windows 10, Linux Operating systems Android
Q2/2012 Release date Q3/2013
115 $ Release price --
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Rate these processors

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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 FX-8120 AMD FX-8120
8C 8T @ 4.00 GHz
479 (100%)
Samsung Exynos 5420 Samsung Exynos 5420
8C 8T @ 1.90 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 FX-8120 AMD FX-8120
8C 8T @ 4.00 GHz
2085 (100%)
Samsung Exynos 5420 Samsung Exynos 5420
8C 8T @ 1.90 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 FX-8120 AMD FX-8120
@ 0.00 GHz
0 (0%)
Samsung Exynos 5420 Samsung Exynos 5420
ARM Mali-T628 MP6 @ 0.53 GHz
102 (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 FX-8120 AMD FX-8120
8C 8T @ 4.00 GHz
6596 (100%)
Samsung Exynos 5420 Samsung Exynos 5420
8C 8T @ 1.90 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 FX-8120 AMD FX-8120
8C 8T @ 4.00 GHz
89 (100%)
Samsung Exynos 5420 Samsung Exynos 5420
8C 8T @ 1.90 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 FX-8120 AMD FX-8120
8C 8T @ 4.00 GHz
587 (100%)
Samsung Exynos 5420 Samsung Exynos 5420
8C 8T @ 1.90 GHz
0 (0%)

Devices using this processor

AMD FX-8120 Samsung Exynos 5420
Unknown Unknown

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