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Intel Core i9-7900X | AMD EPYC 7551P | |
CPU comparisonIntel Core i9-7900X or AMD EPYC 7551P - 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 Intel Core i9-7900X has 10 cores with 20 threads and clocks with a maximum frequency of 4.30 GHz. Up to GB of memory is supported in 4 memory channels. The Intel Core i9-7900X was released in Q2/2017. The AMD EPYC 7551P has 32 cores with 64 threads and clocks with a maximum frequency of 3.00 GHz. The CPU supports up to GB of memory in 8 memory channels. The AMD EPYC 7551P was released in Q3/2017. |
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Intel Core i9 | Family | AMD EPYC |
Intel Core i 7000X | CPU group | AMD EPYC 7001 |
7 | Generation | 1 |
Skylake X | Architecture | Naples (Zen) |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyIn addition to the number of CPU cores and threads, you can see here whether the Intel Core i9-7900X or AMD EPYC 7551P can be overclocked. You will also find the clock frequencies of the processor (single-core and multi-core) here. The number of CPU cores greatly affects the speed of the processor. |
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10 | Cores | 32 |
20 | Threads | 64 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
Yes | Overclocking ? | No |
3.30 GHz | Frequency | 2.00 GHz |
4.30 GHz | Turbo Frequency (1 Core) | 3.00 GHz |
4.00 GHz | Turbo Frequency (All Cores) | 2.55 GHz |
Internal GraphicsThe Intel Core i9-7900X or AMD EPYC 7551P 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. A processor with integrated graphics is also called APU (Accelerated Processing Unit). |
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no iGPU | GPU | no iGPU |
GPU frequency | ||
GPU (Turbo) | ||
GPU Generation | ||
Technology | ||
Max. displays | ||
Execution units | ||
Shader | ||
Max. GPU Memory | ||
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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No | Codec h265 / HEVC (8 bit) | No |
No | Codec h265 / HEVC (10 bit) | No |
No | Codec h264 | No |
No | Codec VP9 | No |
No | Codec VP8 | No |
No | Codec AV1 | No |
No | Codec AVC | No |
No | Codec VC-1 | No |
No | Codec JPEG | No |
Memory & PCIeThe memory type as well as the amount of memory can greatly affect the speed of the processor. The memory bandwidth depends on several factors and is given in gigabytes per second. |
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DDR4-2666 | Memory | DDR4-2666 |
Max. Memory | ||
4 (Quad Channel) | Memory channels | 8 (Octa Channel) |
-- | Bandwidth | -- |
No | ECC | Yes |
L2 Cache | ||
14.00 MB | L3 Cache | 64.00 MB |
3.0 | PCIe version | 3.0 |
44 | PCIe lanes | 128 |
Thermal ManagementThe Thermal Design Power (TDP for short) specifies the necessary cooling solution to cool the processor sufficiently. The TDP usually only gives a rough idea of the real consumption of a CPU. |
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140 W | TDP (PL1 / PBP) | 180 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsHere you will find information on the size of the level 2 and level 3 cache of the Intel Core i9-7900X or AMD EPYC 7551P as well as a list of the processors ISA extensions. We have documented the architecture and the manufacturing technology for you as well as the release date. |
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14 nm | Technology | 14 nm |
Monolithic | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2, AVX2, AVX-512 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
LGA 2066 | Socket | SP3 |
VT-x, VT-x EPT, VT-d | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q2/2017 | Release date | Q3/2017 |
989 $ | Release price | 2750 $ |
show more data | show more data | |
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Intel Core i9-7900X
10C 20T @ 4.30 GHz |
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AMD EPYC 7551P
32C 64T @ 3.00 GHz |
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Intel Core i9-7900X
10C 20T @ 4.00 GHz |
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AMD EPYC 7551P
32C 64T @ 2.55 GHz |
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Intel Core i9-7900X
10C 20T @ 4.30 GHz |
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AMD EPYC 7551P
32C 64T @ 3.00 GHz |
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Intel Core i9-7900X
10C 20T @ 4.00 GHz |
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AMD EPYC 7551P
32C 64T @ 2.55 GHz |
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Intel Core i9-7900X
10C 20T @ 4.30 GHz |
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AMD EPYC 7551P
32C 64T @ 3.00 GHz |
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Intel Core i9-7900X
10C 20T @ 4.00 GHz |
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AMD EPYC 7551P
32C 64T @ 2.55 GHz |
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Intel Core i9-7900X
10C 20T @ 4.00 GHz |
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AMD EPYC 7551P
32C 64T @ 2.55 GHz |
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Intel Core i9-7900X
10C 20T @ 4.00 GHz |
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AMD EPYC 7551P
32C 64T @ 2.55 GHz |
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Intel Core i9-7900X
10C 20T @ 3.30 GHz |
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AMD EPYC 7551P
32C 64T @ 2.00 GHz |
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Intel Core i9-7900X
10C 20T @ 3.30 GHz |
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AMD EPYC 7551P
32C 64T @ 2.00 GHz |
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Intel Core i9-7900X
10C 20T @ 4.30 GHz |
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AMD EPYC 7551P
32C 64T @ 3.00 GHz |
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Intel Core i9-7900X
10C 20T @ 4.00 GHz |
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AMD EPYC 7551P
32C 64T @ 2.55 GHz |
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Intel Core i9-7900X
10C 20T @ 4.30 GHz |
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AMD EPYC 7551P
32C 64T @ 3.00 GHz |
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Intel Core i9-7900X
10C 20T @ 4.00 GHz |
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AMD EPYC 7551P
32C 64T @ 2.55 GHz |
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Intel Core i9-7900X
10C 20T @ 4.30 GHz |
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AMD EPYC 7551P
32C 64T @ 3.00 GHz |
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Intel Core i9-7900X
10C 20T @ 4.00 GHz |
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AMD EPYC 7551P
32C 64T @ 2.55 GHz |
Devices using this processor |
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Intel Core i9-7900X | AMD EPYC 7551P |
Unknown | Unknown |