Note: The information shown below is based on a pre-sample. Technical details or benchmark results may be different in the final version of this processor. |
AMD Ryzen 9 7900X3D | AMD EPYC 9355 | |
CPU comparisonIn this CPU comparison, we compare the AMD Ryzen 9 7900X3D and the AMD EPYC 9355 and use benchmarks to check which processor is faster.
We compare the AMD Ryzen 9 7900X3D 12 core processor released in Q1/2023 with the AMD EPYC 9355 which has 32 CPU cores and was introduced in Q4/2024. |
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AMD Ryzen 9 (35) | Family | AMD EPYC (129) |
AMD Ryzen 7000 (14) | CPU group | AMD EPYC 9005 (21) |
6 | Generation | 5 |
Raphael (Zen 4) | Architecture | Turin (Zen 5 / Zen 5c) |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | AMD EPYC 9354 |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Ryzen 9 7900X3D is a 12 core processor with a clock frequency of 4.40 GHz (5.60 GHz). The processor can compute 24 threads at the same time. The AMD EPYC 9355 clocks with 3.50 GHz, has 32 CPU cores and can calculate 64 threads in parallel. |
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AMD Ryzen 9 7900X3D | Characteristic | AMD EPYC 9355 |
12 | Cores | 32 |
24 | Threads | 64 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | No |
4.40 GHz | Frequency | 3.50 GHz |
5.60 GHz | Turbo Frequency (1 Core) | -- |
5.20 GHz | Turbo Frequency (All Cores) | -- |
Internal GraphicsGraphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback. |
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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 & PCIeUp to 128 GB of memory in a maximum of 2 memory channels is supported by the AMD Ryzen 9 7900X3D, while the AMD EPYC 9355 supports a maximum of 6144 GB of memory with a maximum memory bandwidth of 480.0 GB/s enabled. |
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AMD Ryzen 9 7900X3D | Characteristic | AMD EPYC 9355 |
DDR5-5200 | Memory | DDR5-6000 |
128 GB | Max. Memory | 6144 GB |
2 (Dual Channel) | Memory channels | 12 |
83.2 GB/s | Max. Bandwidth | 480.0 GB/s |
Yes | ECC | Yes |
12.00 MB | L2 Cache | -- |
128.00 MB | L3 Cache | 128.00 MB |
5.0 | PCIe version | 5.0 |
24 | PCIe lanes | 128 |
94.5 GB/s | PCIe Bandwidth | 504.1 GB/s |
Thermal ManagementThe AMD Ryzen 9 7900X3D has a TDP of 120 W. The TDP of the AMD EPYC 9355 is 280 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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AMD Ryzen 9 7900X3D | Characteristic | AMD EPYC 9355 |
120 W | TDP (PL1 / PBP) | 280 W |
162 W | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
89 °C | Tjunction max. | 100 °C |
Technical detailsThe AMD Ryzen 9 7900X3D has 140.00 MB cache and is manufactured in 5 nm. The cache of AMD EPYC 9355 is at 128.00 MB. The processor is manufactured in 4 nm. |
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AMD Ryzen 9 7900X3D | Characteristic | AMD EPYC 9355 |
5 nm | Technology | 4 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 | SSE4.2, AVX2, AVX-512, BFLOAT16, VNNI |
AM5 (LGA 1718) | Socket | SP5 |
AMD-V, SVM | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows 10, Windows 11, Linux | Operating systems | Windows Server 2022, Linux, Windows 11 |
Q1/2023 | Release date | Q4/2024 |
-- | Release price | -- |
show more data | show more data | |
AMD Ryzen 9 7900X3D
12C 24T @ 5.60 GHz |
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AMD EPYC 9355
32C 64T @ 3.50 GHzNot verified |
AMD Ryzen 9 7900X3D
12C 24T @ 5.60 GHz |
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AMD EPYC 9355
32C 64T @ 3.50 GHzNot verified |
AMD Ryzen 9 7900X3D
12C 24T @ 5.60 GHz |
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AMD EPYC 9355
32C 64T @ 3.50 GHzNot verified |
AMD Ryzen 9 7900X3D
12C 24T @ 5.20 GHz |
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AMD EPYC 9355
32C 64T @ 3.50 GHzNot verified |
AMD Ryzen 9 7900X3D
12C 24T @ 5.60 GHz |
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AMD EPYC 9355
32C 64T @ 3.50 GHzNot verified |
AMD Ryzen 9 7900X3D
12C 24T @ 5.20 GHz |
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AMD EPYC 9355
32C 64T @ 3.50 GHzNot verified |
AMD Ryzen 9 7900X3D
12C 24T @ 5.60 GHz |
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AMD EPYC 9355
32C 64T @ 3.50 GHzNot verified |
AMD Ryzen 9 7900X3D
12C 24T @ 5.20 GHz |
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AMD EPYC 9355
32C 64T @ 3.50 GHzNot verified |
AMD Ryzen 9 7900X3D
AMD Radeon Graphics (Raphael) @ 2.20 GHz |
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AMD EPYC 9355
@ 0.00 GHzNot verified |
AMD Ryzen 9 7900X3D
12C 24T @ 5.20 GHz |
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AMD EPYC 9355
32C 64T @ 3.50 GHzNot verified |
AMD Ryzen 9 7900X3D
27,084 CB R23 MC @ 115 W |
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AMD EPYC 9355
3.50 GHz Not verified |
Devices using this processor |
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AMD Ryzen 9 7900X3D | AMD EPYC 9355 |
Unknown | Unknown |