Main Page / Processors / Comparision AMD EPYC 7643 vs AMD Ryzen 7 5800X3D
AMD EPYC 7643 AMD EPYC 7643
AMD Ryzen 7 5800X3D AMD Ryzen 7 5800X3D
VS

Comparision AMD EPYC 7643 vs AMD Ryzen 7 5800X3D

AMD EPYC 7643

WINNER
AMD EPYC 7643

Rating: 67 points
AMD Ryzen 7 5800X3D

AMD Ryzen 7 5800X3D

Rating: 27 points
Grade
AMD EPYC 7643
AMD Ryzen 7 5800X3D
Test results
7
3
Performance
8
5
Memory specification
10
0
Interfaces and communications
1
0
Main characteristics
4
5

Top specs and features

Passmark test

AMD EPYC 7643: 70277 AMD Ryzen 7 5800X3D: 28287

Power Consumption (TDP)

AMD EPYC 7643: 225 W AMD Ryzen 7 5800X3D: 105 W

L1 cache size

AMD EPYC 7643: 4608 KB AMD Ryzen 7 5800X3D: 512 KB

L2 cache size

AMD EPYC 7643: 24.6 MB AMD Ryzen 7 5800X3D: 4 MB

Number of threads

AMD EPYC 7643: 96 AMD Ryzen 7 5800X3D: 16

Description

The AMD EPYC 7643 processor runs at 2.3 Hz, the other AMD Ryzen 7 5800X3D runs at 3.4 Hz. AMD EPYC 7643 is able to accelerate to 3.6 Hz , and the second to 4.5 Hz. The maximum power consumption for the first processor is 225 W, and for AMD Ryzen 7 5800X3D 105 W.

In terms of architecture, AMD EPYC 7643 is built using There is no data nm technology. AMD Ryzen 7 5800X3D on the 7 nm architecture.

Relative to processor memory. AMD EPYC 7643 can support DDR4. The maximum supported size is 4000 MB. It should be noted that the maximum memory bandwidth is 204.8. The second processor AMD Ryzen 7 5800X3D is capable of supporting DDR4. The throughput is There is no data. And the maximum amount of supported RAM is There is no data MB.

Graphics. AMD EPYC 7643 has a graphics engine There is no data. The frequency of which is - There is no data MHz. AMD Ryzen 7 5800X3D received video core Discrete Graphics Card Required. Here the frequency is There is no data MHz.

How processors perform in benchmarks. In the PassMark benchmark, AMD EPYC 7643 scored 70277. And AMD Ryzen 7 5800X3D scored 28287 points.

Why AMD EPYC 7643 is better than AMD Ryzen 7 5800X3D

  • Passmark test 70277 против 28287 , more on 148%
  • L1 cache size 4608 KB против 512 KB, more on 800%
  • L2 cache size 24.6 MB против 4 MB, more on 515%
  • Number of threads 96 против 16 , more on 500%
  • L3 cache size 256 MB против 96 MB, more on 167%
  • Max. number of memory channels 8 против 2 , more on 300%

AMD EPYC 7643 vs AMD Ryzen 7 5800X3D: highlights

AMD EPYC 7643
AMD EPYC 7643
AMD Ryzen 7 5800X3D
AMD Ryzen 7 5800X3D
Test results
Passmark test
The PassMark test considers read speed, write speed, and seek time when testing SSD performance.
70277
max 104648
Average: 6033.5
28287
max 104648
Average: 6033.5
Performance
Number of threads
The more threads, the higher the performance of the processor will be, and it will be able to perform several tasks at the same time.
96
max 256
Average: 10.7
16
max 256
Average: 10.7
L1 cache size
large amount of L1 memory accelerates results in the CPU and system performance settings
4608 KB
max 6144
Average: 299.3 KB
512 KB
max 6144
Average: 299.3 KB
L2 cache size
An L2 cache with a large amount of scratchpad memory allows you to increase the speed of the processor and the overall performance of the system.
24.6 MB
max 512
Average: 4.5 MB
4 MB
max 512
Average: 4.5 MB
L3 cache size
A large amount of L3 memory accelerates results in the CPU and system performance settings
256 MB
max 768
Average: 16.3 MB
96 MB
max 768
Average: 16.3 MB
Maximum processor frequency
When the processor's speed drops below its limit, it can jump to a higher clock speed to improve performance.
3.6 GHz
max 5.7
Average: 3.2 GHz
4.5 GHz
max 5.7
Average: 3.2 GHz
Number of Cores
The number of cores in processors indicates the number of independent computing units that can execute tasks in parallel. More cores allow the processor to handle more tasks at once, which improves overall performance and the ability to handle multi-threaded applications. Show more
48
max 72
Average: 5.8
8
max 72
Average: 5.8
CPU base clock speed
2.3 GHz
max 4.7
Average: 2.5 GHz
3.4 GHz
max 4.7
Average: 2.5 GHz
Multiplier unlocked
Some processors have an unlocked multiplier, thanks to which they work faster and improve the quality in games and other applications.
Available
Not available
Max. the number of processors in the configuration
2
max 8
Average: 1.3
max 8
Average: 1.3
RAM types
Various versions of DDR, such as DDR2, DDR3, DDR4, and DDR5, offer improved features and performance over previous versions, allowing you to work more efficiently with data and improve overall system performance. Show more
4
max 5
Average: 3.5
4
max 5
Average: 3.5
Memory specification
Memory bandwidth
This is the rate at which the device stores or reads information.
204.8 GB/s
max 352
Average: 41.4 GB/s
GB/s
max 352
Average: 41.4 GB/s
Memory frequency
RAM may be faster to increase system performance.
3200 MHz
max 4800
Average: 2106.2 MHz
MHz
max 4800
Average: 2106.2 MHz
Max. number of memory channels
The more their number, the higher the data transfer rate from memory to processor
8
max 16
Average: 2.9
2
max 16
Average: 2.9
Max. Memory
The largest amount of RAM memory.
4000 GB
max 6000
Average: 404.4 GB
GB
max 6000
Average: 404.4 GB
Interfaces and communications
Intel® AES-NI Commands
AES is needed to speed up encryption and decryption.
Available
There is no data
Socket
Connector on the motherboard for installing the processor.
SP3
AM4
Main characteristics
Power Consumption (TDP)
The heat dissipation requirement (TDP) is the maximum amount of energy that can be dissipated by the cooling system. The lower the TDP, the less power will be consumed. Show more
225 W
Average: 67.6 W
105 W
Average: 67.6 W
PCI Express Edition
High-speed bus for connecting peripherals to a computer. Different versions determine the data transfer rate, and the number (x1, x4, x8, x16) indicates the number of logical lines for data transfer and determines the throughput and capabilities of the devices. Show more
4
max 5
Average: 2.9
4
max 5
Average: 2.9
Ruler
AMD EPYC
AMD Ryzen Processors
Architecture codename
Milan
There is no data
Appointment
Server
Desktop
Series
AMD EPYC
There is no data

FAQ

Can AMD EPYC 7643 and AMD Ryzen 7 5800X3D work in 4K mode?

AMD EPYC 7643 - There is no data. AMD Ryzen 7 5800X3D - There is no data.

How many PCIe lanes

AMD EPYC 7643 - There is no data. AMD Ryzen 7 5800X3D - There is no data.

How much RAM does it support?

AMD EPYC 7643 supports 4000 GB. AMD Ryzen 7 5800X3D supports There is no dataGB.

How fast are the processors?

AMD EPYC 7643 operates on 2.3 GHz.4 GHz.

How many cores does the processor have?

AMD EPYC 7643 has 48 cores. AMD Ryzen 7 5800X3D has 8 cores.

Do processors support ECC memory?

AMD EPYC 7643 - There is no data. AMD Ryzen 7 5800X3D - There is no data.

Does AMD EPYC 7643 have embedded graphics?

AMD EPYC 7643 - There is no data. AMD Ryzen 7 5800X3D - Discrete Graphics Card Required

What kind of RAM is supported

AMD EPYC 7643 supports DDR4. AMD Ryzen 7 5800X3D supports DDR4.

What is the socket of the processors?

Using SP3 to set AMD EPYC 7643. AM4 is used to set AMD Ryzen 7 5800X3D.

What architecture do they use?

AMD EPYC 7643 is built on the Milan architecture. AMD Ryzen 7 5800X3D is built on the There is no data architecture.

Is the AMD EPYC 7643 CPU multiplier unlocked?

AMD EPYC 7643 - has. AMD Ryzen 7 5800X3D - doesn't have.

How do processors perform in benchmarks?

According to PassMark, AMD EPYC 7643 scored 70277 points. AMD Ryzen 7 5800X3D scored 28287 points.

What is the maximum frequency of processors?

AMD EPYC 7643 has a maximum frequency of 3.6 Hz. The maximum frequency of AMD Ryzen 7 5800X3D reaches 4.5 Hz.

How much energy do they consume?

The power consumption of AMD EPYC 7643 can be up to 225 Watts. AMD Ryzen 7 5800X3D has up to 225 Watts.

Processors