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AMD Ryzen 9 3950X vs AMD Epyc 7742

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AMD Ryzen 9 3950X

The AMD Ryzen 9 3950X operates with 16 cores and 32 CPU threads. It run at 4.70 GHz base 4.00 GHz all cores while the TDP is set at 105 W.The processor is attached to the AM4 (LGA 1331) CPU socket. This version includes 64.00 MB of L3 cache on one chip, supports 2 memory channels to support DDR4-3200 RAM and features 4.0 PCIe Gen 20 lanes. Tjunction keeps below 95 °C degrees C. In particular, Matisse (Zen 2) Architecture is enhanced with 7 nm technology and supports AMD-V, SVM. The product was launched on Q3/2019

AMD Epyc 7742

The AMD Epyc 7742 operates with 64 cores and 32 CPU threads. It run at 3.40 GHz base 2.80 GHz all cores while the TDP is set at 225 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, Rome (Zen 2) Architecture is enhanced with 7 nm technology and supports AMD-V, SVM. The product was launched on Q3/2019

AMD Ryzen 9 3950X

AMD Epyc 7742

AMD Ryzen 9 3950X

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AMD Epyc 7742

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Compare Detail

3.50 GHz	Frequency	2.25 GHz
16	Cores	64
4.70 GHz	Turbo (1 Core)	3.40 GHz
4.00 GHz	Turbo (All Cores)	2.80 GHz
Yes	Hyperthreading	Yes
Yes	Overclocking	No
normal	Core Architecture	normal
no iGPU	GPU	no iGPU
No turbo	GPU (Turbo)	No turbo
7 nm	Technology	7 nm
No turbo	GPU (Turbo)	No turbo
	DirectX Version
	Max. displays
DDR4-3200	Memory	DDR4-3200
2	Memory channels	8
	Max memory
Yes	ECC	Yes
--	L2 Cache	--
64.00 MB	L3 Cache	256.00 MB
4.0	PCIe version	4.0
20	PCIe lanes	128
7 nm	Technology	7 nm
AM4 (LGA 1331)	Socket	SP3
105 W	TDP	225 W
AMD-V, SVM	Virtualization	AMD-V, SVM
Q3/2019	Release date	Q3/2019
Show more data		Show more data

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 9 3950X 1,379 (62%)

AMD Epyc 7742 (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 9 3950X 24,055 (37%)

AMD Epyc 7742 (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 9 3950X 539 (61%)

AMD Epyc 7742 404 (45%)

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 9 3950X 9,153 (36%)

AMD Epyc 7742 20,654 (82%)

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 Ryzen 9 3950X 225 (66%)

AMD Epyc 7742 (0%)

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 Ryzen 9 3950X 3,902 (37%)

AMD Epyc 7742 (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 9 3950X 1,317 (58%)

AMD Epyc 7742 1,056 (47%)

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 9 3950X 14,326 (29%)

AMD Epyc 7742 37,524 (76%)

Blender 2.81 (bmw27)

Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.

AMD Ryzen 9 3950X 85.41 (4%)

AMD Epyc 7742 (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 Ryzen 9 3950X 39,084 (36%)

AMD Epyc 7742 68,767 (64%)

Monero Hashrate kH/s

The crypto currency Monero has been using the RandomX algorithm since November 2019. This PoW (proof of work) algorithm can only efficiently be calculated using a processor (CPU) or a graphics card (GPU). The CryptoNight algorithm was used for Monero until November 2019, but it could be calculated using ASICs. RandomX benefits from a high number of CPU cores, cache and a fast connection of the memory via as many memory channels as possible

AMD Ryzen 9 3950X 19.54 (21%)

AMD Epyc 7742 103 (97%)

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 Ryzen 9 3950X		AMD Epyc 7742
105 W	Max TDP	225 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