AMD Ryzen 5 PRO 7645 | AMD EPYC 7443 | |
CPU comparisonAMD Ryzen 5 PRO 7645 or AMD EPYC 7443 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.
The AMD Ryzen 5 PRO 7645 has 6 cores with 12 threads and clocks with a maximum frequency of 5.10 GHz. Up to 128 GB of memory is supported in 2 memory channels. The AMD Ryzen 5 PRO 7645 was released in Q2/2023. The AMD EPYC 7443 has 24 cores with 48 threads and clocks with a maximum frequency of 4.00 GHz. The CPU supports up to 4096 GB of memory in 8 memory channels. The AMD EPYC 7443 was released in Q1/2021. |
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AMD Ryzen 5 PRO (28) | Family | AMD EPYC (129) |
AMD Ryzen 7000 (14) | CPU group | AMD EPYC 7003 (29) |
6 | Generation | 3 |
Raphael (Zen 4) | Architecture | Milan (Zen 3) |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Ryzen 5 PRO 7645 has 6 CPU cores and can calculate 12 threads in parallel. The clock frequency of the AMD Ryzen 5 PRO 7645 is 3.80 GHz (5.10 GHz) while the AMD EPYC 7443 has 24 CPU cores and 48 threads can calculate simultaneously. The clock frequency of the AMD EPYC 7443 is at 2.85 GHz (4.00 GHz). |
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AMD Ryzen 5 PRO 7645 | Characteristic | AMD EPYC 7443 |
6 | Cores | 24 |
12 | Threads | 48 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
Yes | Overclocking ? | No |
3.80 GHz | Frequency | 2.85 GHz |
5.10 GHz | Turbo Frequency (1 Core) | 4.00 GHz |
4.50 GHz | Turbo Frequency (All Cores) | 3.60 GHz |
Integrated graphics (iGPU)The AMD Ryzen 5 PRO 7645 or AMD EPYC 7443 has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die. |
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AMD Radeon Graphics (Raphael) | GPU | no iGPU |
0.40 GHz | GPU frequency | -- |
2.20 GHz | GPU (Turbo) | -- |
9 | GPU Generation | -- |
5 nm | Technology | |
3 | Max. displays | |
2 | Compute units | -- |
128 | Shader | -- |
No | Hardware Raytracing | No |
No | Frame Generation | No |
8 GB | Max. GPU Memory | -- |
12 | DirectX Version | -- |
Hardware codec supportA photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos. |
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AMD Radeon Graphics (Raphael) | GPU | no iGPU |
Decode / Encode | Codec h265 / HEVC (8 bit) | No |
Decode / Encode | Codec h265 / HEVC (10 bit) | No |
Decode / Encode | Codec h264 | No |
Decode / Encode | Codec VP9 | No |
Decode / Encode | Codec VP8 | No |
Decode | Codec AV1 | No |
Decode / Encode | Codec AVC | No |
Decode | Codec VC-1 | No |
Decode / Encode | Codec JPEG | No |
Memory & PCIeThe AMD Ryzen 5 PRO 7645 can use up to 128 GB of memory in 2 memory channels. The maximum memory bandwidth is 83.2 GB/s. The AMD EPYC 7443 supports up to 4096 GB of memory in 8 memory channels and achieves a memory bandwidth of up to 204.8 GB/s. |
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AMD Ryzen 5 PRO 7645 | Characteristic | AMD EPYC 7443 |
DDR5-5200 | Memory | DDR4-3200 |
128 GB | Max. Memory | 4096 GB |
2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
83.2 GB/s | Max. Bandwidth | 204.8 GB/s |
Yes | ECC | Yes |
6.00 MB | L2 Cache | -- |
32.00 MB | L3 Cache | 128.00 MB |
5.0 | PCIe version | 4.0 |
24 | PCIe lanes | 128 |
94.5 GB/s | PCIe Bandwidth | 252.0 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD Ryzen 5 PRO 7645 is 65 W, while the AMD EPYC 7443 has a TDP of 200 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD Ryzen 5 PRO 7645 | Characteristic | AMD EPYC 7443 |
65 W | TDP (PL1 / PBP) | 200 W |
88 W | TDP (PL2) | -- |
142 W | TDP up | -- |
-- | TDP down | 165 W |
95 °C | Tjunction max. | -- |
Technical detailsThe AMD Ryzen 5 PRO 7645 is manufactured in 5 nm and has 38.00 MB cache. The AMD EPYC 7443 is manufactured in 7 nm and has a 128.00 MB cache. |
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AMD Ryzen 5 PRO 7645 | Characteristic | AMD EPYC 7443 |
5 nm | Technology | 7 nm |
Chiplet | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
AM5 (LGA 1718) | Socket | SP3 |
AMD-V, SVM | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows 10, Windows 11, Linux | Operating systems | Windows 10, Linux |
Q2/2023 | Release date | Q1/2021 |
-- | Release price | 2010 $ |
show more data | show more data | |
AMD Ryzen 5 PRO 7645
6C 12T @ 5.10 GHz |
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AMD EPYC 7443
24C 48T @ 4.00 GHz |
AMD Ryzen 5 PRO 7645
6C 12T @ 4.50 GHz |
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AMD EPYC 7443
24C 48T @ 3.60 GHz |
AMD Ryzen 5 PRO 7645
6C 12T @ 5.10 GHz |
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AMD EPYC 7443
24C 48T @ 4.00 GHz |
AMD Ryzen 5 PRO 7645
6C 12T @ 4.50 GHz |
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AMD EPYC 7443
24C 48T @ 3.60 GHz |
AMD Ryzen 5 PRO 7645
6C 12T @ 4.50 GHz |
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AMD EPYC 7443
24C 48T @ 3.60 GHz |
AMD Ryzen 5 PRO 7645
6C 12T @ 5.10 GHz |
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AMD EPYC 7443
24C 48T @ 4.00 GHz |
AMD Ryzen 5 PRO 7645
6C 12T @ 5.10 GHz |
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AMD EPYC 7443
24C 48T @ 4.00 GHz |
AMD Ryzen 5 PRO 7645
6C 12T @ 5.10 GHz |
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AMD EPYC 7443
24C 48T @ 4.00 GHz |
AMD Ryzen 5 PRO 7645
6C 12T @ 4.50 GHz |
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AMD EPYC 7443
24C 48T @ 3.60 GHz |
AMD Ryzen 5 PRO 7645
6C 12T @ 5.10 GHz |
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AMD EPYC 7443
24C 48T @ 4.00 GHz |
AMD Ryzen 5 PRO 7645
6C 12T @ 4.50 GHz |
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AMD EPYC 7443
24C 48T @ 3.60 GHz |
AMD Ryzen 5 PRO 7645
AMD Radeon Graphics (Raphael) @ 2.20 GHz |
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AMD EPYC 7443
@ 0.00 GHz |
Devices using this processor |
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AMD Ryzen 5 PRO 7645 | AMD EPYC 7443 |
Unknown | Unknown |