AMD Athlon II X4 620 vs AMD Ryzen 7 PRO 4750U

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CPU comparison with benchmarks


AMD Athlon II X4 620 CPU1 vs CPU2 AMD Ryzen 7 PRO 4750U
AMD Athlon II X4 620 AMD Ryzen 7 PRO 4750U

CPU comparison

In this CPU comparison, we compare the AMD Athlon II X4 620 and the AMD Ryzen 7 PRO 4750U and use benchmarks to check which processor is faster.

We compare the AMD Athlon II X4 620 4 core processor released in Q3/2009 with the AMD Ryzen 7 PRO 4750U which has 8 CPU cores and was introduced in Q2/2020.
AMD Athlon II (52) Family AMD Ryzen 7 PRO (21)
AMD Athlon II X4 (Propus) (10) CPU group AMD Ryzen 4000U (11)
1 Generation 3
Propus Architecture Renoir (Zen 2)
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Athlon II X4 620 is a 4 core processor with a clock frequency of 2.60 GHz. The processor can compute 4 threads at the same time. The AMD Ryzen 7 PRO 4750U clocks with 1.70 GHz (4.10 GHz), has 8 CPU cores and can calculate 16 threads in parallel.

AMD Athlon II X4 620 Characteristic AMD Ryzen 7 PRO 4750U
4 Cores 8
4 Threads 16
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
2.60 GHz Frequency 1.70 GHz
-- Turbo Frequency (1 Core) 4.10 GHz
-- Turbo Frequency (All Cores) 3.10 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 Athlon II X4 620 Characteristic AMD Ryzen 7 PRO 4750U
-- 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 7 (Renoir)
GPU frequency 0.40 GHz
-- GPU (Turbo) 1.60 GHz
-- GPU Generation 9
Technology 7 nm
Max. displays 3
-- Compute units 7
-- Shader 448
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 7 (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 620, while the AMD Ryzen 7 PRO 4750U supports a maximum of 64 GB of memory with a maximum memory bandwidth of 51.2 GB/s enabled.

AMD Athlon II X4 620 Characteristic AMD Ryzen 7 PRO 4750U
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
2.00 MB L2 Cache --
-- L3 Cache 8.00 MB
2.0 PCIe version 3.0
-- PCIe lanes 12
-- PCIe Bandwidth 11.8 GB/s

Thermal Management

The AMD Athlon II X4 620 has a TDP of 95 W. The TDP of the AMD Ryzen 7 PRO 4750U is 15 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD Athlon II X4 620 Characteristic AMD Ryzen 7 PRO 4750U
95 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 620 has 2.00 MB cache and is manufactured in 45 nm. The cache of AMD Ryzen 7 PRO 4750U is at 8.00 MB. The processor is manufactured in 7 nm.

AMD Athlon II X4 620 Characteristic AMD Ryzen 7 PRO 4750U
45 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
AM3 Socket FP6
AMD-V Virtualization AMD-V, SVM
No AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Windows 11, Linux
Q3/2009 Release date Q2/2020
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 4 CPU benchmarks
AMD Athlon II X4 620 (30%)
AMD Ryzen 7 PRO 4750U (100%)
⌀ Multi core performance in 5 CPU benchmarks
AMD Athlon II X4 620 (17%)
AMD Ryzen 7 PRO 4750U (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 Athlon II X4 620 AMD Athlon II X4 620
4C 4T @ 2.60 GHz
337 (28%)
AMD Ryzen 7 PRO 4750U AMD Ryzen 7 PRO 4750U
8C 16T @ 4.10 GHz
1184 (100%)

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 Athlon II X4 620 AMD Athlon II X4 620
4C 4T @ 2.60 GHz
1275 (16%)
AMD Ryzen 7 PRO 4750U AMD Ryzen 7 PRO 4750U
8C 16T @ 3.10 GHz
8088 (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 620 AMD Athlon II X4 620
4C 4T @ 2.60 GHz
334 (29%)
AMD Ryzen 7 PRO 4750U AMD Ryzen 7 PRO 4750U
8C 16T @ 4.10 GHz
1148 (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 620 AMD Athlon II X4 620
4C 4T @ 2.60 GHz
1155 (18%)
AMD Ryzen 7 PRO 4750U AMD Ryzen 7 PRO 4750U
8C 16T @ 3.10 GHz
6314 (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 Athlon II X4 620 AMD Athlon II X4 620
4C 4T @ 2.60 GHz
132 (28%)
AMD Ryzen 7 PRO 4750U AMD Ryzen 7 PRO 4750U
8C 16T @ 4.10 GHz
464 (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 Athlon II X4 620 AMD Athlon II X4 620
4C 4T @ 2.60 GHz
505 (17%)
AMD Ryzen 7 PRO 4750U AMD Ryzen 7 PRO 4750U
8C 16T @ 3.10 GHz
3007 (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 620 AMD Athlon II X4 620
4C 4T @ 2.60 GHz
1916 (13%)
AMD Ryzen 7 PRO 4750U AMD Ryzen 7 PRO 4750U
8C 16T @ 3.10 GHz
15260 (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 Athlon II X4 620 AMD Athlon II X4 620
4C 4T @ 2.60 GHz
62 (33%)
AMD Ryzen 7 PRO 4750U AMD Ryzen 7 PRO 4750U
8C 16T @ 4.10 GHz
188 (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 Athlon II X4 620 AMD Athlon II X4 620
4C 4T @ 2.60 GHz
238 (19%)
AMD Ryzen 7 PRO 4750U AMD Ryzen 7 PRO 4750U
8C 16T @ 3.10 GHz
1264 (100%)

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.
AMD Athlon II X4 620 AMD Athlon II X4 620
4C 4T @ 2.60 GHz
0 (0%)
AMD Ryzen 7 PRO 4750U AMD Ryzen 7 PRO 4750U
8C 16T @ 4.10 GHz
65 (100%)

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.
AMD Athlon II X4 620 AMD Athlon II X4 620
4C 4T @ 2.60 GHz
0 (0%)
AMD Ryzen 7 PRO 4750U AMD Ryzen 7 PRO 4750U
8C 16T @ 4.10 GHz
441 (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 620 AMD Athlon II X4 620
4C 4T @ 2.60 GHz
0 (0%)
AMD Ryzen 7 PRO 4750U AMD Ryzen 7 PRO 4750U
8C 16T @ 4.10 GHz
1470 (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 620 AMD Athlon II X4 620
4C 4T @ 2.60 GHz
0 (0%)
AMD Ryzen 7 PRO 4750U AMD Ryzen 7 PRO 4750U
8C 16T @ 3.10 GHz
6278 (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 620 AMD Athlon II X4 620
@ 0.00 GHz
0 (0%)
AMD Ryzen 7 PRO 4750U AMD Ryzen 7 PRO 4750U
AMD Radeon RX Vega 7 (Renoir) @ 1.60 GHz
1433 (100%)

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.
AMD Athlon II X4 620 AMD Athlon II X4 620
4C 4T @ 2.60 GHz
0 (0%)
AMD Ryzen 7 PRO 4750U AMD Ryzen 7 PRO 4750U
8C 16T @ 3.10 GHz
129 (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 Athlon II X4 620 AMD Athlon II X4 620
4C 4T @ 2.60 GHz
0 (0%)
AMD Ryzen 7 PRO 4750U AMD Ryzen 7 PRO 4750U
8C 16T @ 1.70 GHz
3446 (100%)

Devices using this processor

AMD Athlon II X4 620 AMD Ryzen 7 PRO 4750U
Unknown Lenovo ThinkPad L14
Lenovo ThinkPad T14
Lenovo ThinkPad L15

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