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AMD Phenom II X4 955 vs AMD FX-8320

Last updated: 2024-04-12

CPU comparison with benchmarks


AMD Phenom II X4 955		AMD FX-8320
CPU comparison AMD Phenom II X4 955 or AMD FX-8320 - 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-8320 has 8 cores with 8 threads and clocks with a maximum frequency of 4.00 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD FX-8320 was released in Q4/2012.

AMD Phenom II (52)	Family	AMD FX (30)
AMD Phenom II - 800/900 (23)	CPU group	AMD FX-8000 (11)
4	Generation	2
Deneb (K10)	Architecture	Vishera (Bulldozer)
Desktop	Segment	Desktop
--	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-8320 has 8 CPU cores with a clock frequency of 3.50 GHz (4.00 GHz).
AMD Phenom II X4 955	Characteristic	AMD FX-8320
4	Cores	8
4	Threads	8
normal	Core architecture	normal
No	Hyperthreading	No
Yes	Overclocking ?	Yes
3.20 GHz	Frequency	3.50 GHz
--	Turbo Frequency (1 Core)	4.00 GHz
--	Turbo Frequency (All Cores)	3.75 GHz


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.
AMD Phenom II X4 955	Characteristic	AMD FX-8320
--	AI hardware	--
--	AI specifications	--
--	NPU + CPU + iGPU	--

Integrated graphics (iGPU) 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-8320 can connect up to GB of memory in 2 memory channels.
AMD Phenom II X4 955	Characteristic	AMD FX-8320
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	8.00 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-8320 is 125 W.
AMD Phenom II X4 955	Characteristic	AMD FX-8320
125 W	TDP (PL1 / PBP)	125 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-8320 cache has a total of 8.00 MB.

AMD Phenom II X4 955	Characteristic	AMD FX-8320
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	125 $

show more data		show more data

AMD Phenom II X4 955 4C 4T @ 3.20 GHz buy now on Amazon and save! AMD FX-8320 8C 8T @ 3.50 GHz (4.00 GHz) buy now on Amazon and save!

Rate these processors

Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks

AMD Phenom II X4 955 (81%)

AMD FX-8320 (100%)

⌀ Multi core performance in 5 CPU benchmarks

AMD Phenom II X4 955 (52%)

AMD FX-8320 (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 4C 4T @ 3.20 GHz	422 (81%)
	AMD FX-8320 8C 8T @ 4.00 GHz	522 (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 4C 4T @ 3.20 GHz	1401 (56%)
	AMD FX-8320 8C 8T @ 3.75 GHz	2489 (100%)

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 4C 4T @ 3.20 GHz	651 (60%)
	AMD FX-8320 8C 8T @ 3.75 GHz	1082 (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 4C 4T @ 3.20 GHz	3987 (48%)
	AMD FX-8320 8C 8T @ 3.75 GHz	8291 (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 Phenom II X4 955 4C 4T @ 3.20 GHz	156 (70%)
	AMD FX-8320 8C 8T @ 4.00 GHz	223 (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.


	AMD Phenom II X4 955 4C 4T @ 3.20 GHz	598 (44%)
	AMD FX-8320 8C 8T @ 3.50 GHz	1350 (100%)

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 4C 4T @ 3.20 GHz	84 (92%)
	AMD FX-8320 8C 8T @ 4.00 GHz	91 (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.


	AMD Phenom II X4 955 4C 4T @ 3.20 GHz	324 (53%)
	AMD FX-8320 8C 8T @ 3.75 GHz	608 (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 4C 4T @ 3.20 GHz	488 (100%)
	AMD FX-8320 8C 8T @ 4.00 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 4C 4T @ 3.20 GHz	1967 (100%)
	AMD FX-8320 8C 8T @ 3.75 GHz	0 (0%)

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 Phenom II X4 955 4C 4T @ 3.20 GHz	0 (0%)
	AMD FX-8320 8C 8T @ 4.00 GHz	188 (100%)

Devices using this processor
AMD Phenom II X4 955	AMD FX-8320
Unknown	Unknown

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AMD Phenom II X4 955 vs AMD FX-8320

CPU comparison with benchmarks

CPU comparison

CPU Cores and Base Frequency

NPU AI performance

Integrated graphics (iGPU)

Hardware codec support

Memory & PCIe

Thermal Management

Technical details

Rate these processors

Average performance in benchmarks

Devices using this processor

Popular comparisons containing this CPUs