AMD A4-5145M vs AMD Epyc 7643

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AMD A4-5145M

The AMD A4-5145M operates with 2 cores and 2 CPU threads. It run at 2.60 GHz base 2.60 GHz all cores while the TDP is set at 17 W.The processor is attached to the FP2 CPU socket. This version includes 1.00 MB of L3 cache on one chip, supports 2 memory channels to support DDR3-1333 RAM and features PCIe Gen lanes. Tjunction keeps below -- degrees C. In particular, Richland (Piledriver) Architecture is enhanced with 32 nm technology and supports AMD-V. The product was launched on Q2/2013

AMD Epyc 7643

The AMD Epyc 7643 operates with 483 cores and 2 CPU threads. It run at 3.60 GHz base all cores while the TDP is set at 240 W.The processor is attached to the SP3 CPU socket. This version includes 256.00 MB of L3 cache on one chip, supports 8 memory channels to support DDR4-3200 RAM and features 4.0 PCIe Gen 128 lanes. Tjunction keeps below -- degrees C. In particular, Milan (Zen 3) Architecture is enhanced with 7 nm technology and supports AMD-V, SVM. The product was launched on Q1/2021

AMD A4-5145M

AMD Epyc 7643

AMD A4-5145M

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AMD Epyc 7643

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Compare Detail

2.00 GHz	Frequency	2.30 GHz
2	Cores	483
2.60 GHz	Turbo (1 Core)	3.60 GHz
2.60 GHz	Turbo (All Cores)
No	Hyperthreading	Yes
No	Overclocking	No
normal	Core Architecture	normal
AMD Radeon HD 8310G	GPU	no iGPU
0.55 GHz	GPU (Turbo)	No turbo
32 nm	Technology	7 nm
0.55 GHz	GPU (Turbo)	No turbo
11	DirectX Version
2	Max. displays
DDR3-1333	Memory	DDR4-3200
2	Memory channels	8
	Max memory
No	ECC	Yes
--	L2 Cache	--
1.00 MB	L3 Cache	256.00 MB
	PCIe version	4.0
	PCIe lanes	128
32 nm	Technology	7 nm
FP2	Socket	SP3
17 W	TDP	240 W
AMD-V	Virtualization	AMD-V, SVM
Q2/2013	Release date	Q1/2021
Show more data		Show more data

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 A4-5145M (0%)

AMD Epyc 7643 1,326 (59%)

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 A4-5145M (0%)

AMD Epyc 7643 36,859 (74%)

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 A4-5145M 142 (1%)

AMD Epyc 7643 (0%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-Comparison. However the majority of CPUs have not been tested and the results have been estimated by a CPU-Comparison’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 A4-5145M (0%)

AMD Epyc 7643 76,449 (71%)

Electric Usage Estimate

Average hours of use per day

Average CPU Utilization (0-100%)

Power cost, dollar per kWh

Electric Usage Estimate

Average hours of use per day

Average CPU Utilization (0-100%)

Power cost, dollar per kWh

AMD A4-5145M		AMD Epyc 7643
17 W	Max TDP	240 W
NA	Power consumption per day (kWh)	NA
NA	Running cost per day	NA
NA	Power consumption per year (kWh)	NA
NA	Running cost per year	NA