AMD Phenom II X2 555 vs Intel Celeron 3955U Benchmark, comparison and differences


AMD Phenom II X2 555		Intel Celeron 3955U
CPU comparison In this CPU comparison, we compare the AMD Phenom II X2 555 and the Intel Celeron 3955U and use benchmarks to check which processor is faster. We compare the AMD Phenom II X2 555 2 core processor released in Q2/2010 with the Intel Celeron 3955U which has 2 CPU cores and was introduced in Q4/2015.

AMD Phenom II (52)	Family	Intel Celeron (165)
AMD Phenom II - 545 (9)	CPU group	Intel Celeron 3000 (10)
2	Generation	7
Callisto (K10)	Architecture	Kaby Lake U
Desktop / Server	Segment	Mobile
--	Predecessor	--
--	Successor	--

CPU Cores and Base Frequency The AMD Phenom II X2 555 is a 2 core processor with a clock frequency of 3.20 GHz. The processor can compute 2 threads at the same time. The Intel Celeron 3955U clocks with 2.00 GHz, has 2 CPU cores and can calculate 2 threads in parallel.
AMD Phenom II X2 555	Characteristic	Intel Celeron 3955U
2	Cores	2
2	Threads	2
normal	Core architecture	normal
No	Hyperthreading	No
Yes	Overclocking ?	No
3.20 GHz	Frequency	2.00 GHz
--	Turbo Frequency (1 Core)	--
--	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 Phenom II X2 555	Characteristic	Intel Celeron 3955U
--	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	Intel HD Graphics 510
	GPU frequency	0.30 GHz
--	GPU (Turbo)	0.90 GHz
--	GPU Generation	9
	Technology	14 nm
	Max. displays	3
--	Compute units	12
--	Shader	96
No	Hardware Raytracing	No
No	Frame Generation	No
--	Max. GPU Memory	32 GB
--	DirectX Version	12.0

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 510
No	Codec h265 / HEVC (8 bit)	Decode / Encode
No	Codec h265 / HEVC (10 bit)	Decode
No	Codec h264	Decode / Encode
No	Codec VP9	Decode
No	Codec VP8	Decode / Encode
No	Codec AV1	No
No	Codec AVC	Decode / Encode
No	Codec VC-1	Decode
No	Codec JPEG	Decode

Memory & PCIe Up to GB of memory in a maximum of 2 memory channels is supported by the AMD Phenom II X2 555, while the Intel Celeron 3955U supports a maximum of 32 GB of memory with a maximum memory bandwidth of 34.1 GB/s enabled.
AMD Phenom II X2 555	Characteristic	Intel Celeron 3955U
DDR3-1333, DDR2-1066	Memory	LPDDR3-1866, DDR4-2133, DDR3L-1600
	Max. Memory	32 GB
2 (Dual Channel)	Memory channels	2 (Dual Channel)
21.3 GB/s	Max. Bandwidth	34.1 GB/s
No	ECC	No
--	L2 Cache	--
6.00 MB	L3 Cache	2.00 MB
--	PCIe version	3.0
--	PCIe lanes	12
--	PCIe Bandwidth	11.8 GB/s
Thermal Management The AMD Phenom II X2 555 has a TDP of 80 W. The TDP of the Intel Celeron 3955U is 15 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.
AMD Phenom II X2 555	Characteristic	Intel Celeron 3955U
80 W	TDP (PL1 / PBP)	15 W
--	TDP (PL2)	--
--	TDP up	--
--	TDP down	10 W
--	Tjunction max.	100 °C
Technical details The AMD Phenom II X2 555 has 6.00 MB cache and is manufactured in 45 nm. The cache of Intel Celeron 3955U is at 2.00 MB. The processor is manufactured in 14 nm.
AMD Phenom II X2 555	Characteristic	Intel Celeron 3955U
45 nm	Technology	14 nm
Unknown	Chip design	Monolithic
x86-64 (64 bit)	Instruction set (ISA)	x86-64 (64 bit)
SSE3, SSE4a	ISA extensions	SSE4.1, SSE4.2
AM3	Socket	--
AMD-V	Virtualization	VT-x, VT-x EPT, VT-d
No	AES-NI	Yes
Windows 10, Linux	Operating systems	Windows 10, Linux
Q2/2010	Release date	Q4/2015
--	Release price	--

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AMD Phenom II X2 555 2C 2T @ 3.20 GHz buy now on Amazon and save! Intel Celeron 3955U 2C 2T @ 2.00 GHz buy now on Amazon and save!

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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks

AMD Phenom II X2 555 (90%)

Intel Celeron 3955U (100%)

⌀ Multi core performance in 3 CPU benchmarks

AMD Phenom II X2 555 (92%)

Intel Celeron 3955U (90%)

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 X2 555 2C 2T @ 3.20 GHz	409 (80%)
	Intel Celeron 3955U 2C 2T @ 2.00 GHz	514 (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 X2 555 2C 2T @ 3.20 GHz	767 (75%)
	Intel Celeron 3955U 2C 2T @ 2.00 GHz	1018 (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 X2 555 2C 2T @ 3.20 GHz	2060 (100%)
	Intel Celeron 3955U 2C 2T @ 2.00 GHz	1488 (72%)

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 X2 555 2C 2T @ 3.20 GHz	84 (99%)
	Intel Celeron 3955U 2C 2T @ 2.00 GHz	85 (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 X2 555 2C 2T @ 3.20 GHz	162 (100%)
	Intel Celeron 3955U 2C 2T @ 2.00 GHz	159 (98%)

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 Phenom II X2 555 2C 2T @ 3.20 GHz	0 (0%)
	Intel Celeron 3955U 2C 2T @ 2.00 GHz	445 (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 Phenom II X2 555 2C 2T @ 3.20 GHz	0 (0%)
	Intel Celeron 3955U 2C 2T @ 2.00 GHz	780 (100%)

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 Phenom II X2 555 @ 0.00 GHz	0 (0%)
	Intel Celeron 3955U Intel HD Graphics 510 @ 0.90 GHz	173 (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 X2 555 2C 2T @ 3.20 GHz	290 (100%)
	Intel Celeron 3955U 2C 2T @ 2.00 GHz	0 (0%)


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AMD Phenom II X2 555 vs Intel Celeron 3955U

CPU comparison with benchmarks

CPU comparison

CPU Cores and Base Frequency

Artificial Intelligence and Machine Learning

Internal Graphics

Hardware codec support

Memory & PCIe

Thermal Management

Technical details