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Differences
Top features of AMD Ryzen 5 PRO 5645
-
Higher clock speed3.70 GHz
3.00 GHz
Around -23% better clock speed
Top features of AMD Ryzen 9 PRO 5945
Specifications
Complete list of technical specificationsCPU generation and family
Let's find out which one of AMD Ryzen 5 PRO 5645 and AMD Ryzen 9 PRO 5945 is of a more recent generation, and what segment it belongs to.
| Specification | Value |
|---|---|
| Name |
AMD Ryzen 5 PRO 5645
AMD Ryzen 9 PRO 5945
|
| Family |
AMD Ryzen 5
AMD Ryzen 5
|
| CPU group |
AMD Ryzen 5000U
AMD Ryzen 5000U
|
| Segment |
Mobile
Mobile
|
| Generation |
4
4
|
CPU Cores and Base Frequency
In this block we are going to compare AMD Ryzen 5 PRO 5645 vs AMD Ryzen 9 PRO 5945 by main technical specifications: number of cores and threads, base and maximum frequencies, process technology and cache size. The higher these specifications are, the more powerful your CPU will be.
| Specification | Value |
|---|---|
| CPU Cores / Threads |
6 / 12
12 / 24
|
| Core architecture |
normal
normal
|
| Cores |
6x
12x
|
| Hyperthreading / SMT |
Yes
Yes
|
| Overclocking |
Yes
Yes
|
| Frequency |
3.70 GHz
3.00 GHz
|
| Turbo Frequency (1 Core) |
4.60 GHz
4.70 GHz
|
Internal Graphics
Common specifications for integrated graphics cards in AMD Ryzen 5 PRO 5645 and AMD Ryzen 9 PRO 5945 along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.
| Specification | Value |
|---|---|
| GPU name |
no iGPU
no iGPU
|
| GPU (Turbo) |
No turbo
No turbo
|
Hardware codec support
Let's compare the support of video codecs between AMD Ryzen 5 PRO 5645 and AMD Ryzen 9 PRO 5945. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.
| Specification | Value |
|---|---|
| h265 / HEVC (8 bit) |
No
No
|
| h265 / HEVC (10 bit) |
No
No
|
| h264 |
No
No
|
| VP8 |
No
No
|
| VP9 |
No
No
|
| AV1 |
No
No
|
| AVC |
No
No
|
| VC-1 |
No
No
|
| JPEG |
No
No
|
Memory & PCIe
To choose the best model between AMD Ryzen 5 PRO 5645 and AMD Ryzen 9 PRO 5945 you need to pay special attention to memory type, clock frequency, multi-channel features, and PCIe version. The higher these numbers are, the better your CPU will be. Keep in mind that the maximum memory and frequency may also depend on the model of the motherboard.
| Specification | Value |
|---|---|
| Memory type |
LPDDR4-3200
LPDDR4-3200
|
| Max. Memory |
64 GB
64 GB
|
| Memory channels |
2 (Dual Channel)
2 (Dual Channel)
|
| Bandwidth |
51.2 GB/s
51.2 GB/s
|
| ECC |
No
No
|
| PCIe |
4.0
4.0
|
| AES-NI |
Yes
Yes
|
Thermal Management
Let's find out what TDP value would be better for AMD Ryzen 5 PRO 5645 or AMD Ryzen 9 PRO 5945? The Thermal Design Power (TDP) indicates the maximum amount of heat that should be dissipated by the chip cooling system. However, the value of TDP gives only a rough indication of the real power consumption of the CPU.
| Specification | Value |
|---|---|
| TDP (PL1) |
65 W
65 W
|
| Tjunction max. |
95 \xc2\xb0C
95 \xc2\xb0C
|
Technical details
Here you can find a comparison of 2nd and 3rd level cache sizes for AMD Ryzen 5 PRO 5645 and AMD Ryzen 9 PRO 5945 CPUs along with a list of ISA extensions.
| Specification | Value |
|---|---|
| Technology |
7 nm
7 nm
|
| Chip design |
Chiplet
Chiplet
|
| Socket |
AM4 (LGA 1331)
AM4 (LGA 1331)
|
| L2-Cache |
3.00 MB
6.00 MB
|
| L3-Cache |
32.00 MB
64.00 MB
|
| Architecture |
Cezanne (Zen 3)
Cezanne (Zen 3)
|
| Operating systems |
Windows 10, Windows 11, Linux
Windows 10, Windows 11, Linux
|
| Virtualization |
AMD-V, SVM
AMD-V, SVM
|
| Instruction set (ISA) |
x86-64 (64 bit)
x86-64 (64 bit)
|
| ISA extensions |
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
|
| Release date |
Q3/2022
Q3/2022
|
| Part Number |
100-000000833
100-000000831
|
| Documents |
Technical data sheet
Technical data sheet
|
