AMD Phenom II X2 B55 vs AMD Ryzen 3 PRO 3300U

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CPU comparison with benchmarks


AMD Phenom II X2 B55 CPU1 vs CPU2 AMD Ryzen 3 PRO 3300U
AMD Phenom II X2 B55 AMD Ryzen 3 PRO 3300U

CPU comparison

In this CPU comparison, we compare the AMD Phenom II X2 B55 and the AMD Ryzen 3 PRO 3300U and use benchmarks to check which processor is faster.

We compare the AMD Phenom II X2 B55 2 core processor released in Q4/2009 with the AMD Ryzen 3 PRO 3300U which has 4 CPU cores and was introduced in Q1/2019.
AMD Phenom II (52) Family AMD Ryzen 3 PRO (16)
AMD Phenom II - 545 (9) CPU group AMD Ryzen 3000U (10)
2 Generation 2
Callisto (K10) Architecture Picasso (Zen+)
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Phenom II X2 B55 is a 2 core processor with a clock frequency of 3.00 GHz. The processor can compute 2 threads at the same time. The AMD Ryzen 3 PRO 3300U clocks with 2.10 GHz (3.50 GHz), has 4 CPU cores and can calculate 4 threads in parallel.

AMD Phenom II X2 B55 Characteristic AMD Ryzen 3 PRO 3300U
2 Cores 4
2 Threads 4
normal Core architecture normal
No Hyperthreading No
Yes Overclocking ? No
3.00 GHz Frequency 2.10 GHz
-- Turbo Frequency (1 Core) 3.50 GHz
-- Turbo Frequency (All Cores) 2.10 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 X2 B55 Characteristic AMD Ryzen 3 PRO 3300U
-- 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 AMD Radeon RX Vega 6 (Raven Ridge)
GPU frequency 1.10 GHz
-- GPU (Turbo) --
-- GPU Generation 8
Technology 14 nm
Max. displays 3
-- Compute units 6
-- Shader 384
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 2 GB
-- DirectX Version 12

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 AMD Radeon RX Vega 6 (Raven Ridge)
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
No Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
No Codec VP8 Decode / Encode
No Codec AV1 No
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

Up to GB of memory in a maximum of 2 memory channels is supported by the AMD Phenom II X2 B55, while the AMD Ryzen 3 PRO 3300U supports a maximum of 32 GB of memory with a maximum memory bandwidth of 38.4 GB/s enabled.

AMD Phenom II X2 B55 Characteristic AMD Ryzen 3 PRO 3300U
DDR3-1333, DDR2-1066 Memory DDR4-2400
Max. Memory 32 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
21.3 GB/s Max. Bandwidth 38.4 GB/s
No ECC Yes
-- L2 Cache --
6.00 MB L3 Cache 4.00 MB
-- PCIe version 3.0
-- PCIe lanes 12
-- PCIe Bandwidth 11.8 GB/s

Thermal Management

The AMD Phenom II X2 B55 has a TDP of 80 W. The TDP of the AMD Ryzen 3 PRO 3300U is 15 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD Phenom II X2 B55 Characteristic AMD Ryzen 3 PRO 3300U
80 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) --
-- TDP up 35 W
-- TDP down 12 W
-- Tjunction max. 105 °C

Technical details

The AMD Phenom II X2 B55 has 6.00 MB cache and is manufactured in 45 nm. The cache of AMD Ryzen 3 PRO 3300U is at 4.00 MB. The processor is manufactured in 12 nm.

AMD Phenom II X2 B55 Characteristic AMD Ryzen 3 PRO 3300U
45 nm Technology 12 nm
Unknown Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE3, SSE4a ISA extensions SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
AM3 Socket FP5
AMD-V Virtualization AMD-V, SVM
No AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Windows 11, Linux
Q4/2009 Release date Q1/2019
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
AMD Phenom II X2 B55 (57%)
AMD Ryzen 3 PRO 3300U (100%)
⌀ Multi core performance in 2 CPU benchmarks
AMD Phenom II X2 B55 (32%)
AMD Ryzen 3 PRO 3300U (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 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 GHz
1931 (33%)
AMD Ryzen 3 PRO 3300U AMD Ryzen 3 PRO 3300U
4C 4T @ 2.10 GHz
5812 (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 X2 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 GHz
79 (57%)
AMD Ryzen 3 PRO 3300U AMD Ryzen 3 PRO 3300U
4C 4T @ 3.50 GHz
138 (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 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 GHz
152 (30%)
AMD Ryzen 3 PRO 3300U AMD Ryzen 3 PRO 3300U
4C 4T @ 2.10 GHz
510 (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 X2 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 GHz
0 (0%)
AMD Ryzen 3 PRO 3300U AMD Ryzen 3 PRO 3300U
4C 4T @ 3.50 GHz
764 (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 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 GHz
0 (0%)
AMD Ryzen 3 PRO 3300U AMD Ryzen 3 PRO 3300U
4C 4T @ 2.10 GHz
2544 (100%)

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 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 GHz
0 (0%)
AMD Ryzen 3 PRO 3300U AMD Ryzen 3 PRO 3300U
4C 4T @ 3.50 GHz
971 (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 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 GHz
0 (0%)
AMD Ryzen 3 PRO 3300U AMD Ryzen 3 PRO 3300U
4C 4T @ 2.10 GHz
2577 (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 Phenom II X2 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 GHz
0 (0%)
AMD Ryzen 3 PRO 3300U AMD Ryzen 3 PRO 3300U
4C 4T @ 3.50 GHz
309 (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 B55 AMD Phenom II X2 B55
@ 0.00 GHz
0 (0%)
AMD Ryzen 3 PRO 3300U AMD Ryzen 3 PRO 3300U
AMD Radeon RX Vega 6 (Raven Ridge) @ 1.10 GHz
845 (100%)

Devices using this processor

AMD Phenom II X2 B55 AMD Ryzen 3 PRO 3300U
Unknown Unknown

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