AMD FX-8320 vs Intel Core i5-3450S

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CPU comparison with benchmarks


AMD FX-8320 CPU1 vs CPU2 Intel Core i5-3450S
AMD FX-8320 Intel Core i5-3450S

CPU comparison

AMD FX-8320 or Intel Core i5-3450S - 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 FX-8320 has 8 cores with 8 threads and clocks with a maximum frequency of 4.00 GHz. Up to GB of memory is supported in 2 memory channels. The AMD FX-8320 was released in Q4/2012.

The Intel Core i5-3450S has 4 cores with 4 threads and clocks with a maximum frequency of 3.50 GHz. The CPU supports up to 32 GB of memory in 2 memory channels. The Intel Core i5-3450S was released in Q2/2012.
AMD FX (30) Family Intel Core i5 (328)
AMD FX-8000 (11) CPU group Intel Core i 3000 (31)
2 Generation 3
Vishera (Bulldozer) Architecture Ivy Bridge S
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD FX-8320 is a 8 core processor with a clock frequency of 3.50 GHz (4.00 GHz). The Intel Core i5-3450S has 4 CPU cores with a clock frequency of 2.80 GHz (3.50 GHz).

AMD FX-8320 Characteristic Intel Core i5-3450S
8 Cores 4
8 Threads 4
normal Core architecture normal
No Hyperthreading No
Yes Overclocking ? No
3.50 GHz Frequency 2.80 GHz
4.00 GHz Turbo Frequency (1 Core) 3.50 GHz
3.75 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 FX-8320 Characteristic Intel Core i5-3450S
-- 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.

no iGPU GPU Intel HD Graphics 2500
GPU frequency 0.65 GHz
-- GPU (Turbo) 1.10 GHz
-- GPU Generation 7
Technology 22 nm
Max. displays 3
-- Compute units 6
-- Shader 48
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 2 GB
-- DirectX Version 11.0

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 2500
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 No
No Codec AV1 No
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode

Memory & PCIe

The AMD FX-8320 supports a maximum of GB of memory in 2 memory channels. The Intel Core i5-3450S can connect up to 32 GB of memory in 2 memory channels.

AMD FX-8320 Characteristic Intel Core i5-3450S
DDR3-1866 Memory DDR3-1600
Max. Memory 32 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
-- Max. Bandwidth 25.6 GB/s
Yes ECC No
-- L2 Cache --
8.00 MB L3 Cache 6.00 MB
-- PCIe version 3.0
-- PCIe lanes 16
-- PCIe Bandwidth 15.8 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD FX-8320 has a TDP of 125 W, that of the Intel Core i5-3450S is 65 W.

AMD FX-8320 Characteristic Intel Core i5-3450S
125 W TDP (PL1 / PBP) 65 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The AMD FX-8320 has a 8.00 MB cache, while the Intel Core i5-3450S cache has a total of 6.00 MB.

AMD FX-8320 Characteristic Intel Core i5-3450S
32 nm Technology 22 nm
Unknown Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX, FMA3, FMA4 ISA extensions SSE4.1, SSE4.2, AVX
AM3+ Socket LGA 1155
AMD-V Virtualization VT-x, VT-x EPT
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q4/2012 Release date Q2/2012
125 $ Release price 195 $
show more data show more data


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-8320 AMD FX-8320
8C 8T @ 4.00 GHz
522 (70%)
Intel Core i5-3450S Intel Core i5-3450S
4C 4T @ 3.50 GHz
745 (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.
AMD FX-8320 AMD FX-8320
8C 8T @ 3.75 GHz
2489 (100%)
Intel Core i5-3450S Intel Core i5-3450S
4C 4T @ 2.80 GHz
2410 (97%)

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-8320 AMD FX-8320
8C 8T @ 3.75 GHz
8291 (100%)
Intel Core i5-3450S Intel Core i5-3450S
4C 4T @ 2.80 GHz
4350 (52%)

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 FX-8320 AMD FX-8320
8C 8T @ 4.00 GHz
0 (0%)
Intel Core i5-3450S Intel Core i5-3450S
4C 4T @ 3.50 GHz
691 (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 FX-8320 AMD FX-8320
8C 8T @ 3.75 GHz
0 (0%)
Intel Core i5-3450S Intel Core i5-3450S
4C 4T @ 2.80 GHz
1902 (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 FX-8320 AMD FX-8320
8C 8T @ 4.00 GHz
188 (100%)
Intel Core i5-3450S Intel Core i5-3450S
4C 4T @ 3.50 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 FX-8320 AMD FX-8320
8C 8T @ 3.75 GHz
1082 (100%)
Intel Core i5-3450S Intel Core i5-3450S
4C 4T @ 2.80 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-8320 AMD FX-8320
@ 0.00 GHz
0 (0%)
Intel Core i5-3450S Intel Core i5-3450S
Intel HD Graphics 2500 @ 1.10 GHz
106 (100%)

CPU-Z Benchmark 17 (Single-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.
AMD FX-8320 AMD FX-8320
8C 8T @ 3.75 GHz
223 (100%)
Intel Core i5-3450S Intel Core i5-3450S
4C 4T @ 2.80 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.
AMD FX-8320 AMD FX-8320
8C 8T @ 3.50 GHz
1350 (100%)
Intel Core i5-3450S Intel Core i5-3450S
4C 4T @ 2.80 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-8320 AMD FX-8320
8C 8T @ 4.00 GHz
91 (100%)
Intel Core i5-3450S Intel Core i5-3450S
4C 4T @ 3.50 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-8320 AMD FX-8320
8C 8T @ 3.75 GHz
608 (100%)
Intel Core i5-3450S Intel Core i5-3450S
4C 4T @ 2.80 GHz
0 (0%)

Devices using this processor

AMD FX-8320 Intel Core i5-3450S
Unknown Unknown

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