AMD Ryzen 5 PRO 7645 vs AMD A4-5145M

Last updated: 2023-12-08

CPU comparison with benchmarks


AMD Ryzen 5 PRO 7645		AMD A4-5145M
CPU comparison AMD Ryzen 5 PRO 7645 or AMD A4-5145M - 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 AMD Ryzen 5 PRO 7645 has 6 cores with 12 threads and clocks with a maximum frequency of 5.10 GHz. Up to 128 GB of memory is supported in 2 memory channels. The AMD Ryzen 5 PRO 7645 was released in Q2/2023. The AMD A4-5145M has 2 cores with 2 threads and clocks with a maximum frequency of 2.60 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD A4-5145M was released in Q2/2013.

AMD Ryzen 5 PRO (28)	Family	AMD A (112)
AMD Ryzen 7000 (14)	CPU group	AMD A4-5000M (2)
6	Generation	3
Raphael (Zen 4)	Architecture	Richland (Piledriver)
Desktop / Server	Segment	Mobile
--	Predecessor	--
--	Successor	--

CPU Cores and Base Frequency The AMD Ryzen 5 PRO 7645 has 6 CPU cores and can calculate 12 threads in parallel. The clock frequency of the AMD Ryzen 5 PRO 7645 is 3.80 GHz (5.10 GHz) while the AMD A4-5145M has 2 CPU cores and 2 threads can calculate simultaneously. The clock frequency of the AMD A4-5145M is at 2.00 GHz (2.60 GHz).
AMD Ryzen 5 PRO 7645	Characteristic	AMD A4-5145M
6	Cores	2
12	Threads	2
normal	Core architecture	normal
Yes	Hyperthreading	No
Yes	Overclocking ?	No
3.80 GHz	Frequency	2.00 GHz
5.10 GHz	Turbo Frequency (1 Core)	2.60 GHz
4.50 GHz	Turbo Frequency (All Cores)	2.60 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 Ryzen 5 PRO 7645	Characteristic	AMD A4-5145M
--	AI hardware	--
--	AI specifications	--

Internal Graphics The AMD Ryzen 5 PRO 7645 or AMD A4-5145M 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.
AMD Radeon Graphics (Raphael)	GPU	AMD Radeon HD 8310G
0.40 GHz	GPU frequency	0.42 GHz
2.20 GHz	GPU (Turbo)	0.55 GHz
9	GPU Generation	5
5 nm	Technology	32 nm
3	Max. displays	2
2	Compute units	2
128	Shader	128
No	Hardware Raytracing	No
No	Frame Generation	No
8 GB	Max. GPU Memory	2 GB
12	DirectX Version	11

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.
AMD Radeon Graphics (Raphael)	GPU	AMD Radeon HD 8310G
Decode / Encode	Codec h265 / HEVC (8 bit)	No
Decode / Encode	Codec h265 / HEVC (10 bit)	No
Decode / Encode	Codec h264	Decode
Decode / Encode	Codec VP9	No
Decode / Encode	Codec VP8	No
Decode	Codec AV1	No
Decode / Encode	Codec AVC	Decode
Decode	Codec VC-1	Decode
Decode / Encode	Codec JPEG	Decode / Encode

Memory & PCIe The AMD Ryzen 5 PRO 7645 can use up to 128 GB of memory in 2 memory channels. The maximum memory bandwidth is 83.2 GB/s. The AMD A4-5145M supports up to GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s.
AMD Ryzen 5 PRO 7645	Characteristic	AMD A4-5145M
DDR5-5200	Memory	DDR3-1333
128 GB	Max. Memory
2 (Dual Channel)	Memory channels	2 (Dual Channel)
83.2 GB/s	Max. Bandwidth	21.3 GB/s
Yes	ECC	No
6.00 MB	L2 Cache	--
32.00 MB	L3 Cache	1.00 MB
5.0	PCIe version	--
24	PCIe lanes	--
94.5 GB/s	PCIe Bandwidth	--
Thermal Management The thermal design power (TDP for short) of the AMD Ryzen 5 PRO 7645 is 65 W, while the AMD A4-5145M has a TDP of 17 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
AMD Ryzen 5 PRO 7645	Characteristic	AMD A4-5145M
65 W	TDP (PL1 / PBP)	17 W
88 W	TDP (PL2)	--
142 W	TDP up	--
--	TDP down	--
95 °C	Tjunction max.	--
Technical details The AMD Ryzen 5 PRO 7645 is manufactured in 5 nm and has 38.00 MB cache. The AMD A4-5145M is manufactured in 32 nm and has a 1.00 MB cache.
AMD Ryzen 5 PRO 7645	Characteristic	AMD A4-5145M
5 nm	Technology	32 nm
Chiplet	Chip design	Unknown
x86-64 (64 bit)	Instruction set (ISA)	x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512	ISA extensions	SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4
AM5 (LGA 1718)	Socket	FP2
AMD-V, SVM	Virtualization	AMD-V
Yes	AES-NI	Yes
Windows 10, Windows 11, Linux	Operating systems
Q2/2023	Release date	Q2/2013
--	Release price	--

show more data		show more data

AMD Ryzen 5 PRO 7645 6C 12T @ 3.80 GHz (5.10 GHz) buy now on Amazon and save! AMD A4-5145M 2C 2T @ 2.00 GHz (2.60 GHz) buy now on Amazon and save!

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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 Ryzen 5 PRO 7645 AMD Radeon Graphics (Raphael) @ 2.20 GHz	563 (100%)
	AMD A4-5145M AMD Radeon HD 8310G @ 0.55 GHz	141 (25%)

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 Ryzen 5 PRO 7645 6C 12T @ 5.10 GHz	95 (100%)
	AMD A4-5145M 2C 2T @ 2.60 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.


	AMD Ryzen 5 PRO 7645 6C 12T @ 5.10 GHz	840 (100%)
	AMD A4-5145M 2C 2T @ 2.60 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.


	AMD Ryzen 5 PRO 7645 6C 12T @ 5.10 GHz	1868 (100%)
	AMD A4-5145M 2C 2T @ 2.60 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.


	AMD Ryzen 5 PRO 7645 6C 12T @ 4.50 GHz	14540 (100%)
	AMD A4-5145M 2C 2T @ 2.60 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.


	AMD Ryzen 5 PRO 7645 6C 12T @ 5.10 GHz	2049 (100%)
	AMD A4-5145M 2C 2T @ 2.60 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.


	AMD Ryzen 5 PRO 7645 6C 12T @ 4.50 GHz	11147 (100%)
	AMD A4-5145M 2C 2T @ 2.60 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.


	AMD Ryzen 5 PRO 7645 6C 12T @ 5.10 GHz	2682 (100%)
	AMD A4-5145M 2C 2T @ 2.60 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.


	AMD Ryzen 5 PRO 7645 6C 12T @ 4.50 GHz	11967 (100%)
	AMD A4-5145M 2C 2T @ 2.60 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.


	AMD Ryzen 5 PRO 7645 6C 12T @ 5.10 GHz	722 (100%)
	AMD A4-5145M 2C 2T @ 2.60 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.


	AMD Ryzen 5 PRO 7645 6C 12T @ 4.50 GHz	5850 (100%)
	AMD A4-5145M 2C 2T @ 2.60 GHz	0 (0%)

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 Ryzen 5 PRO 7645 6C 12T @ 4.50 GHz	27996 (100%)
	AMD A4-5145M 2C 2T @ 2.60 GHz	0 (0%)

Devices using this processor
AMD Ryzen 5 PRO 7645	AMD A4-5145M
Unknown	Unknown

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