AMD EPYC 9754S | AMD Ryzen 9 7900X | |
CPU comparisonAMD EPYC 9754S or AMD Ryzen 9 7900X - 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 EPYC 9754S has 128 cores with 128 threads and clocks with a maximum frequency of 3.10 GHz. Up to 6144 GB of memory is supported in 12 memory channels. The AMD EPYC 9754S was released in Q2/2023. The AMD Ryzen 9 7900X has 12 cores with 24 threads and clocks with a maximum frequency of 5.60 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The AMD Ryzen 9 7900X was released in Q4/2022. |
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AMD EPYC (129) | Family | AMD Ryzen 9 (40) |
AMD EPYC 8004/9004 (15) | CPU group | AMD Ryzen 7000 (14) |
4 | Generation | 6 |
Bergamo/Siena (Zen 4c) | Architecture | Raphael (Zen 4) |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | AMD Ryzen 9 5900X |
-- | Successor | AMD Ryzen 9 9900X |
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CPU Cores and Base FrequencyThe AMD EPYC 9754S has 128 CPU cores and can calculate 128 threads in parallel. The clock frequency of the AMD EPYC 9754S is 2.25 GHz (3.10 GHz) while the AMD Ryzen 9 7900X has 12 CPU cores and 24 threads can calculate simultaneously. The clock frequency of the AMD Ryzen 9 7900X is at 4.70 GHz (5.60 GHz). |
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AMD EPYC 9754S | Characteristic | AMD Ryzen 9 7900X |
128 | Cores | 12 |
128 | Threads | 24 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
No | Overclocking ? | Yes |
2.25 GHz | Frequency | 4.70 GHz |
3.10 GHz | Turbo Frequency (1 Core) | 5.60 GHz |
3.10 GHz | Turbo Frequency (All Cores) | 5.40 GHz |
Integrated graphics (iGPU)The AMD EPYC 9754S or AMD Ryzen 9 7900X 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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no iGPU | GPU | AMD Radeon Graphics (Raphael) |
GPU frequency | 0.40 GHz | |
-- | GPU (Turbo) | 2.20 GHz |
-- | GPU Generation | 9 |
Technology | 5 nm | |
Max. displays | 3 | |
-- | Compute units | 2 |
-- | Shader | 128 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | 8 GB |
-- | DirectX Version | 12 |
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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no iGPU | GPU | AMD Radeon Graphics (Raphael) |
No | Codec h265 / HEVC (8 bit) | Decode / Encode |
No | Codec h265 / HEVC (10 bit) | Decode / Encode |
No | Codec h264 | Decode / Encode |
No | Codec VP9 | Decode / Encode |
No | Codec VP8 | Decode / Encode |
No | Codec AV1 | Decode |
No | Codec AVC | Decode / Encode |
No | Codec VC-1 | Decode |
No | Codec JPEG | Decode / Encode |
Memory & PCIeThe AMD EPYC 9754S can use up to 6144 GB of memory in 12 memory channels. The maximum memory bandwidth is 460.8 GB/s. The AMD Ryzen 9 7900X supports up to 128 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 83.2 GB/s. |
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AMD EPYC 9754S | Characteristic | AMD Ryzen 9 7900X |
DDR5-4800 | Memory | DDR5-5200 |
6144 GB | Max. Memory | 128 GB |
12 | Memory channels | 2 (Dual Channel) |
460.8 GB/s | Max. Bandwidth | 83.2 GB/s |
Yes | ECC | Yes |
-- | L2 Cache | 12.00 MB |
256.00 MB | L3 Cache | 64.00 MB |
5.0 | PCIe version | 5.0 |
128 | PCIe lanes | 24 |
504.1 GB/s | PCIe Bandwidth | 94.5 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD EPYC 9754S is 360 W, while the AMD Ryzen 9 7900X has a TDP of 170 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD EPYC 9754S | Characteristic | AMD Ryzen 9 7900X |
360 W | TDP (PL1 / PBP) | 170 W |
-- | TDP (PL2) | 230 W |
400 W | TDP up | -- |
320 W | TDP down | -- |
100 °C | Tjunction max. | 95 °C |
Technical detailsThe AMD EPYC 9754S is manufactured in 5 nm and has 256.00 MB cache. The AMD Ryzen 9 7900X is manufactured in 5 nm and has a 76.00 MB cache. |
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AMD EPYC 9754S | Characteristic | AMD Ryzen 9 7900X |
5 nm | Technology | 5 nm |
Chiplet | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.2, AVX2, AVX-512, BFLOAT16, VNNI | ISA extensions | SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 |
SP5 | Socket | AM5 (LGA 1718) |
AMD-V, SVM | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows Server 2022, Linux, Windows 11 | Operating systems | Windows 10, Windows 11, Linux |
Q2/2023 | Release date | Q4/2022 |
10200 $ | Release price | 549 $ |
show more data | show more data | |
AMD EPYC 9754S
128C 128T @ 3.10 GHz |
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AMD Ryzen 9 7900X
12C 24T @ 5.60 GHz |
AMD EPYC 9754S
128C 128T @ 3.10 GHz |
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AMD Ryzen 9 7900X
12C 24T @ 5.60 GHz |
AMD EPYC 9754S
128C 128T @ 3.10 GHz |
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AMD Ryzen 9 7900X
12C 24T @ 5.60 GHz |
AMD EPYC 9754S
128C 128T @ 3.10 GHz |
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AMD Ryzen 9 7900X
12C 24T @ 5.40 GHz |
AMD EPYC 9754S
128C 128T @ 3.10 GHz |
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AMD Ryzen 9 7900X
12C 24T @ 5.60 GHz |
AMD EPYC 9754S
128C 128T @ 3.10 GHz |
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AMD Ryzen 9 7900X
12C 24T @ 5.40 GHz |
AMD EPYC 9754S
128C 128T @ 3.10 GHz |
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AMD Ryzen 9 7900X
12C 24T @ 5.60 GHz |
AMD EPYC 9754S
128C 128T @ 3.10 GHz |
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AMD Ryzen 9 7900X
12C 24T @ 5.40 GHz |
AMD EPYC 9754S
128C 128T @ 3.10 GHz |
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AMD Ryzen 9 7900X
12C 24T @ 5.60 GHz |
AMD EPYC 9754S
128C 128T @ 3.10 GHz |
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AMD Ryzen 9 7900X
12C 24T @ 5.40 GHz |
AMD EPYC 9754S
@ 0.00 GHz |
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AMD Ryzen 9 7900X
AMD Radeon Graphics (Raphael) @ 2.20 GHz |
AMD EPYC 9754S
128C 128T @ 3.10 GHz |
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AMD Ryzen 9 7900X
12C 24T @ 5.40 GHz |
AMD EPYC 9754S
128C 128T @ 3.10 GHz |
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AMD Ryzen 9 7900X
12C 24T @ 5.40 GHz |
AMD EPYC 9754S
128C 128T @ 3.10 GHz |
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AMD Ryzen 9 7900X
12C 24T @ 5.60 GHz |
AMD EPYC 9754S
128C 128T @ 2.25 GHz |
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AMD Ryzen 9 7900X
12C 24T @ 4.70 GHz |
AMD EPYC 9754S
128C 128T @ 3.10 GHz |
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AMD Ryzen 9 7900X
12C 24T @ 5.60 GHz |
AMD EPYC 9754S
128C 128T @ 3.10 GHz |
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AMD Ryzen 9 7900X
12C 24T @ 5.40 GHz |
AMD EPYC 9754S
2.25 GHz |
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AMD Ryzen 9 7900X
29,306 CB R23 MC @ 186 W |
Devices using this processor |
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AMD EPYC 9754S | AMD Ryzen 9 7900X |
Unknown | Unknown |