AMD Athlon II X4 651K vs AMD Ryzen 5 5560U

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CPU comparison with benchmarks


AMD Athlon II X4 651K CPU1 vs CPU2 AMD Ryzen 5 5560U
AMD Athlon II X4 651K AMD Ryzen 5 5560U

CPU comparison

In this CPU comparison, we compare the AMD Athlon II X4 651K and the AMD Ryzen 5 5560U and use benchmarks to check which processor is faster.

We compare the AMD Athlon II X4 651K 4 core processor released in Q4/2011 with the AMD Ryzen 5 5560U which has 6 CPU cores and was introduced in Q1/2021.
AMD Athlon II (52) Family AMD Ryzen 5 (85)
AMD Athlon II X4 (Llano) (5) CPU group AMD Ryzen 5000U (13)
2 Generation 4
Llano Architecture Cezanne (Zen 3)
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Athlon II X4 651K is a 4 core processor with a clock frequency of 3.00 GHz. The processor can compute 4 threads at the same time. The AMD Ryzen 5 5560U clocks with 2.30 GHz (4.00 GHz), has 6 CPU cores and can calculate 12 threads in parallel.

AMD Athlon II X4 651K Characteristic AMD Ryzen 5 5560U
4 Cores 6
4 Threads 12
normal Core architecture normal
No Hyperthreading Yes
Yes Overclocking ? No
3.00 GHz Frequency 2.30 GHz
-- Turbo Frequency (1 Core) 4.00 GHz
-- Turbo Frequency (All Cores) 3.50 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 Athlon II X4 651K Characteristic AMD Ryzen 5 5560U
-- 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 (Renoir)
GPU frequency 0.40 GHz
-- GPU (Turbo) 1.60 GHz
-- GPU Generation 9
Technology 7 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 (Renoir)
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 16 GB of memory in a maximum of 2 memory channels is supported by the AMD Athlon II X4 651K, while the AMD Ryzen 5 5560U supports a maximum of 64 GB of memory with a maximum memory bandwidth of 51.2 GB/s enabled.

AMD Athlon II X4 651K Characteristic AMD Ryzen 5 5560U
DDR3-1333 Memory LPDDR4-4266, DDR4-3200
16 GB Max. Memory 64 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
21.3 GB/s Max. Bandwidth 51.2 GB/s
No ECC Yes
4.00 MB L2 Cache 3.00 MB
-- L3 Cache 8.00 MB
2.0 PCIe version 3.0
-- PCIe lanes 16
-- PCIe Bandwidth 15.8 GB/s

Thermal Management

The AMD Athlon II X4 651K has a TDP of 100 W. The TDP of the AMD Ryzen 5 5560U is 15 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD Athlon II X4 651K Characteristic AMD Ryzen 5 5560U
100 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) --
-- TDP up 25 W
-- TDP down 10 W
-- Tjunction max. 105 °C

Technical details

The AMD Athlon II X4 651K has 4.00 MB cache and is manufactured in 32 nm. The cache of AMD Ryzen 5 5560U is at 11.00 MB. The processor is manufactured in 7 nm.

AMD Athlon II X4 651K Characteristic AMD Ryzen 5 5560U
32 nm Technology 7 nm
Unknown Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
MMX, 3DNow!, SSE3, SSE4a ISA extensions SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
FM1 Socket FP6
AMD-V Virtualization AMD-V, SVM
No AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Windows 11, Linux
Q4/2011 Release date Q1/2021
-- Release price --
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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
AMD Athlon II X4 651K (32%)
AMD Ryzen 5 5560U (100%)
⌀ Multi core performance in 2 CPU benchmarks
AMD Athlon II X4 651K (23%)
AMD Ryzen 5 5560U (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 Athlon II X4 651K AMD Athlon II X4 651K
4C 4T @ 3.00 GHz
411 (32%)
AMD Ryzen 5 5560U AMD Ryzen 5 5560U
6C 12T @ 4.00 GHz
1288 (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 Athlon II X4 651K AMD Athlon II X4 651K
4C 4T @ 3.00 GHz
1467 (30%)
AMD Ryzen 5 5560U AMD Ryzen 5 5560U
6C 12T @ 3.50 GHz
4820 (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 Athlon II X4 651K AMD Athlon II X4 651K
4C 4T @ 3.00 GHz
2349 (15%)
AMD Ryzen 5 5560U AMD Ryzen 5 5560U
6C 12T @ 3.50 GHz
15255 (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 Athlon II X4 651K AMD Athlon II X4 651K
4C 4T @ 3.00 GHz
0 (0%)
AMD Ryzen 5 5560U AMD Ryzen 5 5560U
6C 12T @ 4.00 GHz
1692 (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 Athlon II X4 651K AMD Athlon II X4 651K
4C 4T @ 3.00 GHz
0 (0%)
AMD Ryzen 5 5560U AMD Ryzen 5 5560U
6C 12T @ 3.50 GHz
5679 (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 Athlon II X4 651K AMD Athlon II X4 651K
@ 0.00 GHz
0 (0%)
AMD Ryzen 5 5560U AMD Ryzen 5 5560U
AMD Radeon RX Vega 6 (Renoir) @ 1.60 GHz
1229 (100%)

Devices using this processor

AMD Athlon II X4 651K AMD Ryzen 5 5560U
Unknown Unknown

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