AMD Phenom II X4 955 vs AMD FX-4320

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CPU comparison with benchmarks


AMD Phenom II X4 955 CPU1 vs CPU2 AMD FX-4320
AMD Phenom II X4 955 AMD FX-4320

CPU comparison

AMD Phenom II X4 955 or AMD FX-4320 - 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 Phenom II X4 955 has 4 cores with 4 threads and clocks with a maximum frequency of 3.20 GHz. Up to GB of memory is supported in 2 memory channels. The AMD Phenom II X4 955 was released in Q2/2009.

The AMD FX-4320 has 4 cores with 4 threads and clocks with a maximum frequency of 4.20 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD FX-4320 was released in Q4/2012.
AMD Phenom II (52) Family AMD FX (30)
AMD Phenom II - 800/900 (23) CPU group AMD FX-4300 (3)
4 Generation 2
Deneb (K10) Architecture Vishera (Bulldozer)
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Phenom II X4 955 is a 4 core processor with a clock frequency of 3.20 GHz. The AMD FX-4320 has 4 CPU cores with a clock frequency of 4.00 GHz (4.20 GHz).
AMD Phenom II X4 955 Characteristic AMD FX-4320
4 Cores 4
4 Threads 4
normal Core architecture normal
No Hyperthreading No
Yes Overclocking ? Yes
3.20 GHz Frequency 4.00 GHz
-- Turbo Frequency (1 Core) 4.20 GHz
-- Turbo Frequency (All Cores) 4.20 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.
AMD Phenom II X4 955 Characteristic AMD FX-4320
-- 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 no iGPU
GPU frequency --
-- GPU (Turbo) --
-- GPU Generation --
Technology
Max. displays
-- Compute units --
-- Shader --
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
-- 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.
no iGPU GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG No

Memory & PCIe

The AMD Phenom II X4 955 supports a maximum of GB of memory in 2 memory channels. The AMD FX-4320 can connect up to GB of memory in 2 memory channels.
AMD Phenom II X4 955 Characteristic AMD FX-4320
DDR3-1333, DDR2-1066 Memory DDR3-1866
Max. Memory
2 (Dual Channel) Memory channels 2 (Dual Channel)
21.3 GB/s Max. Bandwidth 29.9 GB/s
No ECC Yes
-- L2 Cache --
6.00 MB L3 Cache 4.00 MB
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Phenom II X4 955 has a TDP of 125 W, that of the AMD FX-4320 is 95 W.
AMD Phenom II X4 955 Characteristic AMD FX-4320
125 W TDP (PL1 / PBP) 95 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The AMD Phenom II X4 955 has a 6.00 MB cache, while the AMD FX-4320 cache has a total of 4.00 MB.
AMD Phenom II X4 955 Characteristic AMD FX-4320
45 nm Technology 32 nm
Unknown Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE3, SSE4a ISA extensions SSE4.1, SSE4.2, AVX, FMA3, FMA4
AM3 Socket AM3+
AMD-V Virtualization AMD-V
No AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q2/2009 Release date Q4/2012
-- Release price --
show more data show more data


Rate these processors

Here you can rate the AMD Phenom II X4 955 to help other visitors make their purchasing decisions. The average rating is 4.8 stars (4 ratings). Rate now:
Here you can rate the AMD FX-4320 to help other visitors make their purchasing decisions. The average rating is 4.0 stars (1 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
AMD Phenom II X4 955 (76%)
AMD FX-4320 (100%)
⌀ Multi core performance in 2 CPU benchmarks
AMD Phenom II X4 955 (88%)
AMD FX-4320 (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.
AMD Phenom II X4 955 AMD Phenom II X4 955
4C 4T @ 3.20 GHz
422 (76%)
AMD FX-4320 AMD FX-4320
4C 4T @ 4.20 GHz
553 (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 Phenom II X4 955 AMD Phenom II X4 955
4C 4T @ 3.20 GHz
1401 (95%)
AMD FX-4320 AMD FX-4320
4C 4T @ 4.20 GHz
1481 (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 Phenom II X4 955 AMD Phenom II X4 955
4C 4T @ 3.20 GHz
3987 (80%)
AMD FX-4320 AMD FX-4320
4C 4T @ 4.20 GHz
5011 (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.
AMD Phenom II X4 955 AMD Phenom II X4 955
4C 4T @ 3.20 GHz
488 (100%)
AMD FX-4320 AMD FX-4320
4C 4T @ 4.20 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.
AMD Phenom II X4 955 AMD Phenom II X4 955
4C 4T @ 3.20 GHz
1967 (100%)
AMD FX-4320 AMD FX-4320
4C 4T @ 4.20 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 Phenom II X4 955 AMD Phenom II X4 955
4C 4T @ 3.20 GHz
651 (100%)
AMD FX-4320 AMD FX-4320
4C 4T @ 4.20 GHz
0 (0%)

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 Phenom II X4 955 AMD Phenom II X4 955
4C 4T @ 3.20 GHz
156 (100%)
AMD FX-4320 AMD FX-4320
4C 4T @ 4.20 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 Phenom II X4 955 AMD Phenom II X4 955
4C 4T @ 3.20 GHz
598 (100%)
AMD FX-4320 AMD FX-4320
4C 4T @ 4.00 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.
AMD Phenom II X4 955 AMD Phenom II X4 955
4C 4T @ 3.20 GHz
84 (100%)
AMD FX-4320 AMD FX-4320
4C 4T @ 4.20 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 Phenom II X4 955 AMD Phenom II X4 955
4C 4T @ 3.20 GHz
324 (100%)
AMD FX-4320 AMD FX-4320
4C 4T @ 4.20 GHz
0 (0%)

Devices using this processor
AMD Phenom II X4 955 AMD FX-4320
Unknown Unknown

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