| Name: | AMD EPYC 7643 |
| Family: | AMD EPYC |
| Group: | AMD EPYC 7003 |
| Segment: | Desktop / Server |
| Generation: | 3 |
AMD EPYC 7643 Benchmark, Test and specs
Last updated:
CPU lineage
The AMD EPYC 7643 features 48 processor cores and has the capability to manage 96 threads concurrently. It was released in Q1/2021 and belongs to the 3 generation of the AMD EPYC series. To use the AMD EPYC 7643, you'll need a motherboard with a SP3 socket.
CPU Cores and Base Frequency
The AMD EPYC 7643 has 48 CPU cores and can calculate 96 threads in parallel. The clock frequency of the AMD EPYC 7643 is 2.3 GHz and turbo frequency for one core is 3.6 GHz. The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
| CPU Cores: | 48 |
| Threads: | 96 |
| Cores: | 48x Zen 3 |
| Core architecture: | normal |
| Hyperthreading: | Yes |
| Overclocking: | No |
| Frequency: | 2.3 GHz |
| Turbo Frequency (1 core): | 3.6 GHz |
Memory & PCIe
The processor supports a maximum memory capacity of 4.0 TB distributed across 8 memory channels. It offers a peak memory bandwidth of 204.8 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
| Memory type: | DDR4-3200 |
| Max. Memory: | 4.0 TB |
| Memory channels: | 8 |
| Bandwidth: | 204.8 GB/s |
| ECC: | Yes |
| PCIe: | pci |
| AES-NI: | Yes |
Thermal Management
The processor has a thermal design power (TDP) of 240 W watts. TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
| TDP (PL1 / PBP): | 240 W |
| TDP (PL2): | None |
| TDP up: | None |
| TDP down: | 225 W |
| Tjunction max: | -- |
Technical details
The AMD EPYC 7643 is manufactured using a 7 nm process. A smaller manufacturing process indicates a more contemporary and energy-efficient CPU. In total, this processor boasts a generous 256.0 MB cache. A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
| Technology: | 7 nm |
| Chip design: | Chiplet |
| Socket: | SP3 |
| L2-Cache: | 0 bytes |
| L3-Cache: | 256.0 MB |
| Architecture: | Milan (Zen 3) |
| Operating systems: | Windows 10, Linux |
| Virtualization: | AMD-V, SVM |
| Instruction set (ISA): | x86-64 (64 bit) |
| ISA extensions: | SSE4a, SSE4.1, SSE4.2, FMA3, AVX2 |
| Release date: | Q1/2021 |
| Release price: | 4995 $ |
| Part Number: | -- |
| Documents: | Technical data sheet |
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Benchmarks
Estimated results for PassMark CPU Mark
|
AMD Ryzen Threadripper 3990X
64C 128T @ 2.9 GHz
|
81100
|
|
|
AMD EPYC 9354P
32C 64T @ 3.25 GHz
|
79364
|
|
|
AMD EPYC 7643
48C 96T @ 2.3 GHz
|
76440
|
|
AMD Ryzen Threadripper PRO 5975WX
32C 64T @ 3.6 GHz
|
76060
|
|
|
AMD EPYC 7662
64C 128T @ 2.0 GHz
|
73144
|
Geekbench 5, 64bit (Multi-Core)
|
|
AMD EPYC 7742
64C 128T @ 2.25 GHz
|
37515
|
|
|
AMD EPYC 7702
64C 128T @ 2.0 GHz
|
37461
|
|
|
AMD EPYC 7643
48C 96T @ 2.3 GHz
|
36850
|
|
|
AMD Ryzen Threadripper PRO 3995WX
64C 128T @ 2.7 GHz
|
36215
|
|
|
AMD Ryzen Threadripper 3990X
64C 128T @ 2.9 GHz
|
34670
|
Geekbench 6 (Multi-Core)
|
AMD Ryzen 7 7700X
8C 16T @ 4.5 GHz
|
15137
|
|
Intel Core i7-13700T
16C 24T @ 1.4 GHz
|
15020
|
|
|
AMD EPYC 7643
48C 96T @ 2.3 GHz
|
14987
|
|
Intel Core i5-13600
14C 20T @ 2.7 GHz
|
14937
|
|
|
AMD EPYC 7413
24C 48T @ 2.65 GHz
|
14922
|
Geekbench 6 (Single-Core)
|
Intel Core i9-10980HK
8C 16T @ 2.4 GHz
|
1676
|
|
|
AMD Ryzen 7 PRO 6850H
8C 16T @ 3.2 GHz
|
1672
|
|
|
AMD EPYC 7643
48C 96T @ 2.3 GHz
|
1671
|
|
Intel Xeon E-2286M
8C 16T @ 2.4 GHz
|
1668
|
|
Intel Xeon Gold 6348
28C 56T @ 2.6 GHz
|
1663
|
Geekbench 5, 64bit (Single-Core)
|
Intel Xeon W-3375
38C 72T @ 2.5 GHz
|
1324
|
|
|
Intel Xeon E-2224
4C 4T @ 3.4 GHz
|
1322
|
|
|
AMD EPYC 7643
48C 96T @ 2.3 GHz
|
1319
|
|
AMD Ryzen 5 5600U
6C 12T @ 2.3 GHz
|
1317
|
|
|
Intel Xeon E-2278G
8C 16T @ 3.4 GHz
|
1314
|
