AMD EPYC 7643
About processor
The AMD EPYC 7643 is an impressive server processor that delivers exceptional performance in multi-threaded workloads. With a total of 48 cores and 96 threads, this processor is designed to handle heavy-duty tasks with ease. The EPYC 7643 also boasts a massive 256MB L3 cache, allowing for faster data access and improved overall performance.
In terms of power consumption, the EPYC 7643 has a TDP of 225W, which is reasonable given the high number of cores and threads it offers. This processor also offers excellent single-core and multi-core performance, as demonstrated by its Geekbench 6 scores of 1047 and 4697, respectively.
Overall, the AMD EPYC 7643 is a powerhouse of a processor that is well-suited for demanding server workloads. Its high core and thread count, along with a generous amount of L3 cache, make it a top choice for tasks that require parallel processing and heavy multitasking. Whether you're running virtualization, database, or other compute-intensive workloads, the EPYC 7643 is more than capable of handling the job efficiently and effectively.
Basic
Label Name
AMD
Platform
Server
Launch Date
March 2021
Code Name
Milan
CPU Specifications
Total Cores
?
Cores is a hardware term that describes the number of independent central processing units in a single computing component (die or chip).
48
Total Threads
?
Where applicable, Intel® Hyper-Threading Technology is only available on Performance-cores.
96
Basic Frequency
2.3GHz
Max Turbo Frequency
?
Max Turbo Frequency is the maximum single-core frequency at which the processor is capable of operating using Intel® Turbo Boost Technology and, if present, Intel® Turbo Boost Max Technology 3.0 and Intel® Thermal Velocity Boost. Frequency is typically measured in gigahertz (GHz), or billion cycles per second.
Up to 3.6GHz
L3 Cache
256MB
CPU Socket
?
The socket is the component that provides the mechanical and electrical connections between the processor and motherboard.
SP3
Technology
?
Lithography refers to the semiconductor technology used to manufacture an integrated circuit, and is reported in nanometer (nm), indicative of the size of features built on the semiconductor.
7 nm
TDP
225W
PCI Express Version
?
PCI Express Revision is the supported version of the PCI Express standard. Peripheral Component Interconnect Express (or PCIe) is a high-speed serial computer expansion bus standard for attaching hardware devices to a computer. The different PCI Express versions support different data rates.
PCIe 4.0 x128
Memory Specifications
Memory Type
?
Intel® processors come in four different types: Single Channel, Dual Channel, Triple Channel, and Flex Mode. Maximum supported memory speed may be lower when populating multiple DIMMs per channel on products that support multiple memory channels.
DDR4
Memory Channels
?
The number of memory channels refers to the bandwidth operation for real world application.
8
Bus Speed
Up to 3200MT/s
Benchmarks
Geekbench 6
Single Core
Score
1674
Geekbench 6
Multi Core
Score
18236
Geekbench 5
Single Core
Score
1173
Geekbench 5
Multi Core
Score
5266
Passmark CPU
Single Core
Score
2695
Passmark CPU
Multi Core
Score
76455
Compared to Other CPU
Geekbench 6 Single Core
Geekbench 6 Multi Core
Geekbench 5 Single Core
Geekbench 5 Multi Core
Passmark CPU Single Core
Passmark CPU Multi Core