Intel Core i5-10400 vs AMD Phenom II X2 B55

Last updated: 2024-04-12

CPU comparison with benchmarks


Intel Core i5-10400		AMD Phenom II X2 B55
CPU comparison Intel Core i5-10400 or AMD Phenom II X2 B55 - 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 Intel Core i5-10400 has 6 cores with 12 threads and clocks with a maximum frequency of 4.30 GHz. Up to 128 GB of memory is supported in 2 memory channels. The Intel Core i5-10400 was released in Q2/2020. The AMD Phenom II X2 B55 has 2 cores with 2 threads and clocks with a maximum frequency of 3.00 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD Phenom II X2 B55 was released in Q4/2009.

Intel Core i5 (331)	Family	AMD Phenom II (52)
Intel Core i 10000 (43)	CPU group	AMD Phenom II - 545 (9)
10	Generation	2
Comet Lake S	Architecture	Callisto (K10)
Desktop / Server	Segment	Desktop / Server
Intel Core i5-9400	Predecessor	--
Intel Core i5-11400	Successor	--

CPU Cores and Base Frequency The Intel Core i5-10400 has 6 CPU cores and can calculate 12 threads in parallel. The clock frequency of the Intel Core i5-10400 is 2.90 GHz (4.30 GHz) while the AMD Phenom II X2 B55 has 2 CPU cores and 2 threads can calculate simultaneously. The clock frequency of the AMD Phenom II X2 B55 is at 3.00 GHz.
Intel Core i5-10400	Characteristic	AMD Phenom II X2 B55
6	Cores	2
12	Threads	2
normal	Core architecture	normal
Yes	Hyperthreading	No
No	Overclocking ?	Yes
2.90 GHz	Frequency	3.00 GHz
4.30 GHz	Turbo Frequency (1 Core)	--
4.00 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.
Intel Core i5-10400	Characteristic	AMD Phenom II X2 B55
--	AI hardware	--
--	AI specifications	--

Internal Graphics The Intel Core i5-10400 or AMD Phenom II X2 B55 has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
Intel UHD Graphics 630	GPU	no iGPU
0.35 GHz	GPU frequency	--
1.20 GHz	GPU (Turbo)	--
9.5	GPU Generation	--
14 nm	Technology
3	Max. displays
24	Compute units	--
192	Shader	--
No	Hardware Raytracing	No
No	Frame Generation	No
64 GB	Max. GPU Memory	--
12	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.
Intel UHD Graphics 630	GPU	no iGPU
Decode / Encode	Codec h265 / HEVC (8 bit)	No
Decode / Encode	Codec h265 / HEVC (10 bit)	No
Decode / Encode	Codec h264	No
Decode / Encode	Codec VP9	No
Decode / Encode	Codec VP8	No
No	Codec AV1	No
Decode / Encode	Codec AVC	No
Decode	Codec VC-1	No
Decode / Encode	Codec JPEG	No

Memory & PCIe The Intel Core i5-10400 can use up to 128 GB of memory in 2 memory channels. The maximum memory bandwidth is 42.7 GB/s. The AMD Phenom II X2 B55 supports up to GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s.
Intel Core i5-10400	Characteristic	AMD Phenom II X2 B55
DDR4-2666	Memory	DDR3-1333, DDR2-1066
128 GB	Max. Memory
2 (Dual Channel)	Memory channels	2 (Dual Channel)
42.7 GB/s	Max. Bandwidth	21.3 GB/s
No	ECC	No
--	L2 Cache	--
12.00 MB	L3 Cache	6.00 MB
3.0	PCIe version	--
16	PCIe lanes	--
15.8 GB/s	PCIe Bandwidth	--
Thermal Management The thermal design power (TDP for short) of the Intel Core i5-10400 is 65 W, while the AMD Phenom II X2 B55 has a TDP of 80 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
Intel Core i5-10400	Characteristic	AMD Phenom II X2 B55
65 W	TDP (PL1 / PBP)	80 W
--	TDP (PL2)	--
--	TDP up	--
--	TDP down	--
100 °C	Tjunction max.	--
Technical details The Intel Core i5-10400 is manufactured in 14 nm and has 12.00 MB cache. The AMD Phenom II X2 B55 is manufactured in 45 nm and has a 6.00 MB cache.
Intel Core i5-10400	Characteristic	AMD Phenom II X2 B55
14 nm	Technology	45 nm
Monolithic	Chip design	Unknown
x86-64 (64 bit)	Instruction set (ISA)	x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2	ISA extensions	SSE3, SSE4a
LGA 1200	Socket	AM3
VT-x, VT-x EPT, VT-d	Virtualization	AMD-V
Yes	AES-NI	No
Windows 10, Windows 11, Linux	Operating systems	Windows 10, Linux
Q2/2020	Release date	Q4/2009
182 $	Release price	--

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Intel Core i5-10400 6C 12T @ 2.90 GHz (4.30 GHz) buy now on Amazon and save! AMD Phenom II X2 B55 2C 2T @ 3.00 GHz buy now on Amazon and save!

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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks

Intel Core i5-10400 (100%)

AMD Phenom II X2 B55 (42%)

⌀ Multi core performance in 2 CPU benchmarks

Intel Core i5-10400 (100%)

AMD Phenom II X2 B55 (14%)

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.


	Intel Core i5-10400 6C 12T @ 4.00 GHz	12267 (100%)
	AMD Phenom II X2 B55 2C 2T @ 3.00 GHz	1931 (16%)

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.


	Intel Core i5-10400 6C 12T @ 4.30 GHz	190 (100%)
	AMD Phenom II X2 B55 2C 2T @ 3.00 GHz	79 (42%)

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.


	Intel Core i5-10400 6C 12T @ 4.00 GHz	1341 (100%)
	AMD Phenom II X2 B55 2C 2T @ 3.00 GHz	152 (11%)

Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.


	Intel Core i5-10400 6C 12T @ 4.30 GHz	68 (100%)
	AMD Phenom II X2 B55 2C 2T @ 3.00 GHz	0 (0%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.


	Intel Core i5-10400 6C 12T @ 4.30 GHz	443 (100%)
	AMD Phenom II X2 B55 2C 2T @ 3.00 GHz	0 (0%)

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.


	Intel Core i5-10400 6C 12T @ 4.30 GHz	1120 (100%)
	AMD Phenom II X2 B55 2C 2T @ 3.00 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.


	Intel Core i5-10400 6C 12T @ 4.00 GHz	8164 (100%)
	AMD Phenom II X2 B55 2C 2T @ 3.00 GHz	0 (0%)

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.


	Intel Core i5-10400 6C 12T @ 4.30 GHz	1120 (100%)
	AMD Phenom II X2 B55 2C 2T @ 3.00 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.


	Intel Core i5-10400 6C 12T @ 4.00 GHz	5870 (100%)
	AMD Phenom II X2 B55 2C 2T @ 3.00 GHz	0 (0%)

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.


	Intel Core i5-10400 6C 12T @ 4.30 GHz	1433 (100%)
	AMD Phenom II X2 B55 2C 2T @ 3.00 GHz	0 (0%)

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.


	Intel Core i5-10400 6C 12T @ 4.00 GHz	6261 (100%)
	AMD Phenom II X2 B55 2C 2T @ 3.00 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.


	Intel Core i5-10400 6C 12T @ 4.30 GHz	450 (100%)
	AMD Phenom II X2 B55 2C 2T @ 3.00 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.


	Intel Core i5-10400 6C 12T @ 4.00 GHz	3197 (100%)
	AMD Phenom II X2 B55 2C 2T @ 3.00 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.


	Intel Core i5-10400 Intel UHD Graphics 630 @ 1.20 GHz	461 (100%)
	AMD Phenom II X2 B55 @ 0.00 GHz	0 (0%)

Blender 3.1 Benchmark

In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.


	Intel Core i5-10400 6C 12T @ 4.00 GHz	110 (100%)
	AMD Phenom II X2 B55 2C 2T @ 3.00 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.


	Intel Core i5-10400 6C 12T @ 4.00 GHz	462 (100%)
	AMD Phenom II X2 B55 2C 2T @ 3.00 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.


	Intel Core i5-10400 6C 12T @ 2.90 GHz	3551 (100%)
	AMD Phenom II X2 B55 2C 2T @ 3.00 GHz	0 (0%)

Devices using this processor
Intel Core i5-10400	AMD Phenom II X2 B55
Unknown	Unknown

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