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Differences
Top features of AMD EPYC 9454
-
Higher clock speed2.75 GHz
2.25 GHz
Around -22% better clock speed
Top features of AMD EPYC 9634
Specifications
Complete list of technical specificationsCPU generation and family
Let's find out which one of AMD EPYC 9454 and AMD EPYC 9634 is of a more recent generation, and what segment it belongs to.
| Specification | Value |
|---|---|
| Name |
AMD EPYC 9454
AMD EPYC 9634
|
| Family |
AMD EPYC
AMD EPYC
|
| CPU group |
AMD EPYC 9004
AMD EPYC 9004
|
| Segment |
Desktop / Server
Desktop / Server
|
| Generation |
4
4
|
CPU Cores and Base Frequency
In this block we are going to compare AMD EPYC 9454 vs AMD EPYC 9634 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 |
48 / 96
84 / 168
|
| Core architecture |
normal
normal
|
| Cores |
48x Zen 4
84x Zen 4
|
| Hyperthreading / SMT |
Yes
Yes
|
| Overclocking |
No
No
|
| Frequency |
2.75 GHz
2.25 GHz
|
| Turbo Frequency (1 Core) |
3.80 GHz
3.70 GHz
|
Internal Graphics
Common specifications for integrated graphics cards in AMD EPYC 9454 and AMD EPYC 9634 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 EPYC 9454 and AMD EPYC 9634. 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 EPYC 9454 and AMD EPYC 9634 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 |
DDR5-4800
DDR5-4800
|
| Max. Memory |
6144 GB
6144 GB
|
| Memory channels |
12
12
|
| Bandwidth |
461.0 GB/s
461.0 GB/s
|
| ECC |
Yes
Yes
|
| PCIe |
5.0 x 128
5.0 x 128
|
| AES-NI |
Yes
Yes
|
Thermal Management
Let's find out what TDP value would be better for AMD EPYC 9454 or AMD EPYC 9634? 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) |
290 W
290 W
|
| TDP up |
300 W
300 W
|
| TDP down |
240 W
240 W
|
| Tjunction max. |
100 \xc2\xb0C
100 \xc2\xb0C
|
Technical details
Here you can find a comparison of 2nd and 3rd level cache sizes for AMD EPYC 9454 and AMD EPYC 9634 CPUs along with a list of ISA extensions.
| Specification | Value |
|---|---|
| Technology |
5 nm
5 nm
|
| Chip design |
Chiplet
Chiplet
|
| Socket |
SP5
SP5
|
| L2-Cache |
48.00 MB
84.00 MB
|
| L3-Cache |
256.00 MB
384.00 MB
|
| Architecture |
Genoa (Zen 4)
Genoa (Zen 4)
|
| Operating systems |
Windows Server 2022, Linux, Windows 11
Windows Server 2022, Linux, Windows 11
|
| Virtualization |
AMD-V, SVM
AMD-V, SVM
|
| Instruction set (ISA) |
x86-64 (64 bit)
x86-64 (64 bit)
|
| ISA extensions |
SSE4.2, AVX2, AVX-512, BFLOAT16, VNNI
SSE4.2, AVX2, AVX-512, BFLOAT16, VNNI
|
| Release date |
Q4/2022
Q4/2022
|
| Release price |
5225 $
10304 $
|
| Part Number |
100-000000478
100-000000797
|
| Documents |
Technical data sheet
Technical data sheet
|
