AMD Ryzen 7 7700X | AMD EPYC 7742 | |
CPU comparisonAMD Ryzen 7 7700X or AMD EPYC 7742 - 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 Ryzen 7 7700X has 8 cores with 16 threads and clocks with a maximum frequency of 5.40 GHz. Up to 128 GB of memory is supported in 2 memory channels. The AMD Ryzen 7 7700X was released in Q4/2022. The AMD EPYC 7742 has 64 cores with 128 threads and clocks with a maximum frequency of 3.40 GHz. The CPU supports up to GB of memory in 8 memory channels. The AMD EPYC 7742 was released in Q3/2019. |
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AMD Ryzen 7 (70) | Family | AMD EPYC (129) |
AMD Ryzen 7000 (14) | CPU group | AMD EPYC 7002 (24) |
6 | Generation | 2 |
Raphael (Zen 4) | Architecture | Rome (Zen 2) |
Desktop / Server | Segment | Desktop / Server |
AMD Ryzen 7 5700X | Predecessor | -- |
AMD Ryzen 7 9700X | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Ryzen 7 7700X is a 8 core processor with a clock frequency of 4.50 GHz (5.40 GHz). The AMD EPYC 7742 has 64 CPU cores with a clock frequency of 2.25 GHz (3.40 GHz). |
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AMD Ryzen 7 7700X | Characteristic | AMD EPYC 7742 |
8 | Cores | 64 |
16 | Threads | 128 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
Yes | Overclocking ? | No |
4.50 GHz | Frequency | 2.25 GHz |
5.40 GHz | Turbo Frequency (1 Core) | 3.40 GHz |
5.20 GHz | Turbo Frequency (All Cores) | 2.80 GHz |
Integrated graphics (iGPU)The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs. |
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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 & PCIeThe AMD Ryzen 7 7700X supports a maximum of 128 GB of memory in 2 memory channels. The AMD EPYC 7742 can connect up to GB of memory in 8 memory channels. |
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AMD Ryzen 7 7700X | Characteristic | AMD EPYC 7742 |
DDR5-5200 | Memory | DDR4-3200 |
128 GB | Max. Memory | |
2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
83.2 GB/s | Max. Bandwidth | 51.2 GB/s |
Yes | ECC | Yes |
8.00 MB | L2 Cache | -- |
32.00 MB | L3 Cache | 256.00 MB |
5.0 | PCIe version | 4.0 |
24 | PCIe lanes | 128 |
94.5 GB/s | PCIe Bandwidth | 252.0 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Ryzen 7 7700X has a TDP of 105 W, that of the AMD EPYC 7742 is 225 W. |
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AMD Ryzen 7 7700X | Characteristic | AMD EPYC 7742 |
105 W | TDP (PL1 / PBP) | 225 W |
142 W | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
95 °C | Tjunction max. | -- |
Technical detailsThe AMD Ryzen 7 7700X has a 40.00 MB cache, while the AMD EPYC 7742 cache has a total of 256.00 MB. |
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AMD Ryzen 7 7700X | Characteristic | AMD EPYC 7742 |
5 nm | Technology | 7 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 | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
AM5 (LGA 1718) | Socket | SP3 |
AMD-V, SVM | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows 10, Windows 11, Linux | Operating systems | Windows 10, Linux |
Q4/2022 | Release date | Q3/2019 |
399 $ | Release price | 9000 $ |
show more data | show more data | |
AMD Ryzen 7 7700X
8C 16T @ 5.40 GHz |
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AMD EPYC 7742
64C 128T @ 3.40 GHz |
AMD Ryzen 7 7700X
8C 16T @ 5.20 GHz |
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AMD EPYC 7742
64C 128T @ 2.80 GHz |
AMD Ryzen 7 7700X
8C 16T @ 5.40 GHz |
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AMD EPYC 7742
64C 128T @ 3.40 GHz |
AMD Ryzen 7 7700X
8C 16T @ 5.20 GHz |
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AMD EPYC 7742
64C 128T @ 2.80 GHz |
AMD Ryzen 7 7700X
8C 16T @ 5.40 GHz |
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AMD EPYC 7742
64C 128T @ 3.40 GHz |
AMD Ryzen 7 7700X
8C 16T @ 5.20 GHz |
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AMD EPYC 7742
64C 128T @ 2.80 GHz |
AMD Ryzen 7 7700X
8C 16T @ 5.20 GHz |
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AMD EPYC 7742
64C 128T @ 2.80 GHz |
AMD Ryzen 7 7700X
8C 16T @ 5.40 GHz |
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AMD EPYC 7742
64C 128T @ 3.40 GHz |
AMD Ryzen 7 7700X
8C 16T @ 5.40 GHz |
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AMD EPYC 7742
64C 128T @ 3.40 GHz |
AMD Ryzen 7 7700X
8C 16T @ 5.40 GHz |
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AMD EPYC 7742
64C 128T @ 3.40 GHz |
AMD Ryzen 7 7700X
8C 16T @ 5.20 GHz |
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AMD EPYC 7742
64C 128T @ 2.80 GHz |
AMD Ryzen 7 7700X
AMD Radeon Graphics (Raphael) @ 2.20 GHz |
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AMD EPYC 7742
@ 0.00 GHz |
AMD Ryzen 7 7700X
8C 16T @ 5.20 GHz |
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AMD EPYC 7742
64C 128T @ 2.80 GHz |
AMD Ryzen 7 7700X
8C 16T @ 5.40 GHz |
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AMD EPYC 7742
64C 128T @ 3.40 GHz |
AMD Ryzen 7 7700X
8C 16T @ 4.50 GHz |
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AMD EPYC 7742
64C 128T @ 2.25 GHz |
AMD Ryzen 7 7700X
8C 16T @ 5.40 GHz |
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AMD EPYC 7742
64C 128T @ 3.40 GHz |
AMD Ryzen 7 7700X
8C 16T @ 5.20 GHz |
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AMD EPYC 7742
64C 128T @ 2.80 GHz |
AMD Ryzen 7 7700X
20,399 CB R23 MC @ 104 W |
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AMD EPYC 7742
2.25 GHz |
Devices using this processor |
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AMD Ryzen 7 7700X | AMD EPYC 7742 |
Unknown | Unknown |