Intel Core i5-9400H vs AMD EPYC 7742
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CPU comparison with benchmarks
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| Intel Core i5-9400H | AMD EPYC 7742 | |
CPU comparisonIntel Core i5-9400H 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 Intel Core i5-9400H has 4 cores with 8 threads and clocks with a maximum frequency of 4.30 GHz. Up to 128 GB of memory is supported in 2 memory channels. The Intel Core i5-9400H was released in Q2/2019. 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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| Intel Core i5 (331) | Family | AMD EPYC (129) |
| Intel Core i 9000H (11) | CPU group | AMD EPYC 7002 (24) |
| 9 | Generation | 2 |
| Coffee Lake H Refresh | Architecture | Rome (Zen 2) |
| Mobile | Segment | Desktop / Server |
| Intel Core i5-8400H | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i5-9400H has 4 CPU cores and can calculate 8 threads in parallel. The clock frequency of the Intel Core i5-9400H is 2.50 GHz (4.30 GHz) while the AMD EPYC 7742 has 64 CPU cores and 128 threads can calculate simultaneously. The clock frequency of the AMD EPYC 7742 is at 2.25 GHz (3.40 GHz). |
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| Intel Core i5-9400H | Characteristic | AMD EPYC 7742 |
| 4 | Cores | 64 |
| 8 | Threads | 128 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 2.50 GHz | Frequency | 2.25 GHz |
| 4.30 GHz | Turbo Frequency (1 Core) | 3.40 GHz |
| -- | Turbo Frequency (All Cores) | 2.80 GHz |
Internal GraphicsThe Intel Core i5-9400H or AMD EPYC 7742 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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| Intel UHD Graphics 630 | GPU | no iGPU |
| 0.35 GHz | GPU frequency | -- |
| 1.10 GHz | GPU (Turbo) | -- |
| 9.5 | GPU Generation | -- |
| 14 nm | Technology | |
| 3 | Max. displays | |
| 24 | Compute units | -- |
| 192 | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 64 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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| Intel UHD Graphics 630 | 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 |
| No | Codec AV1 | No |
| Decode / Encode | Codec AVC | No |
| Decode | Codec VC-1 | No |
| Decode / Encode | Codec JPEG | No |
Memory & PCIeThe Intel Core i5-9400H can use up to 128 GB of memory in 2 memory channels. The maximum memory bandwidth is 42.7 GB/s. The AMD EPYC 7742 supports up to GB of memory in 8 memory channels and achieves a memory bandwidth of up to 51.2 GB/s. |
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| Intel Core i5-9400H | Characteristic | AMD EPYC 7742 |
| LPDDR3-2133, DDR4-2666 | Memory | DDR4-3200 |
| 128 GB | Max. Memory | |
| 2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
| 42.7 GB/s | Max. Bandwidth | 51.2 GB/s |
| No | ECC | Yes |
| -- | L2 Cache | -- |
| 8.00 MB | L3 Cache | 256.00 MB |
| 3.0 | PCIe version | 4.0 |
| 16 | PCIe lanes | 128 |
| 15.8 GB/s | PCIe Bandwidth | 252.0 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Core i5-9400H is 45 W, while the AMD EPYC 7742 has a TDP of 225 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| Intel Core i5-9400H | Characteristic | AMD EPYC 7742 |
| 45 W | TDP (PL1 / PBP) | 225 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| 35 W | TDP down | -- |
| 100 °C | Tjunction max. | -- |
Technical detailsThe Intel Core i5-9400H is manufactured in 14 nm and has 8.00 MB cache. The AMD EPYC 7742 is manufactured in 7 nm and has a 256.00 MB cache. |
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| Intel Core i5-9400H | Characteristic | AMD EPYC 7742 |
| 14 nm | Technology | 7 nm |
| Monolithic | Chip design | Chiplet |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4.1, SSE4.2, AVX2 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
| BGA 1440 | Socket | SP3 |
| VT-x, VT-x EPT, VT-d | Virtualization | AMD-V, SVM |
| Yes | AES-NI | Yes |
| Windows 10, Windows 11, Linux | Operating systems | Windows 10, Linux |
| Q2/2019 | Release date | Q3/2019 |
| 250 $ | Release price | 9000 $ |
| show more data | show more data | |
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4C 8T @ 2.50 GHz (4.30 GHz) buy now on Amazon and save!
64C 128T @ 2.25 GHz (3.40 GHz) buy now on Amazon and save!
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 2 CPU benchmarks
⌀ Multi core performance in 3 CPU benchmarks
Geekbench 5, 64bit (Single-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
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Intel Core i5-9400H
4C 8T @ 4.30 GHz |
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AMD EPYC 7742
64C 128T @ 3.40 GHz |
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Geekbench 5, 64bit (Multi-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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Intel Core i5-9400H
4C 8T @ 2.50 GHz |
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AMD EPYC 7742
64C 128T @ 2.80 GHz |
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Geekbench 6 (Single-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
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Intel Core i5-9400H
4C 8T @ 4.30 GHz |
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AMD EPYC 7742
64C 128T @ 3.40 GHz |
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Geekbench 6 (Multi-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
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Intel Core i5-9400H
4C 8T @ 2.50 GHz |
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AMD EPYC 7742
64C 128T @ 2.80 GHz |
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Estimated results for PassMark CPU Mark
Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
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Intel Core i5-9400H
4C 8T @ 2.50 GHz |
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AMD EPYC 7742
64C 128T @ 2.80 GHz |
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Cinebench R20 (Single-Core)
Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
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Intel Core i5-9400H
4C 8T @ 4.30 GHz |
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AMD EPYC 7742
64C 128T @ 3.40 GHz |
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Cinebench R20 (Multi-Core)
Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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Intel Core i5-9400H
4C 8T @ 2.50 GHz |
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AMD EPYC 7742
64C 128T @ 2.80 GHz |
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iGPU - FP32 Performance (Single-precision GFLOPS)
The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
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Intel Core i5-9400H
Intel UHD Graphics 630 @ 1.10 GHz |
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AMD EPYC 7742
@ 0.00 GHz |
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Cinebench R15 (Multi-Core)
Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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Intel Core i5-9400H
4C 8T @ 2.50 GHz |
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AMD EPYC 7742
64C 128T @ 2.80 GHz |
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Devices using this processor |
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| Intel Core i5-9400H | AMD EPYC 7742 |
| Unknown | Unknown |
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