Intel Core i7-8665UE vs AMD EPYC 7663
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CPU comparison with benchmarks
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| Intel Core i7-8665UE | AMD EPYC 7663 | |
CPU comparisonIntel Core i7-8665UE or AMD EPYC 7663 - 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 i7-8665UE has 4 cores with 8 threads and clocks with a maximum frequency of 4.40 GHz. Up to 64 GB of memory is supported in 2 memory channels. The Intel Core i7-8665UE was released in Q2/2019. The AMD EPYC 7663 has 56 cores with 112 threads and clocks with a maximum frequency of 3.50 GHz. The CPU supports up to 4096 GB of memory in 8 memory channels. The AMD EPYC 7663 was released in Q1/2021. |
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| Intel Core i7 (298) | Family | AMD EPYC (129) |
| Intel Core i 8000U (WL) (8) | CPU group | AMD EPYC 7003 (29) |
| 8 | Generation | 3 |
| Whiskey Lake U | Architecture | Milan (Zen 3) |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i7-8665UE has 4 CPU cores and can calculate 8 threads in parallel. The clock frequency of the Intel Core i7-8665UE is 1.70 GHz (4.40 GHz) while the AMD EPYC 7663 has 56 CPU cores and 112 threads can calculate simultaneously. The clock frequency of the AMD EPYC 7663 is at 2.00 GHz (3.50 GHz). |
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| Intel Core i7-8665UE | Characteristic | AMD EPYC 7663 |
| 4 | Cores | 56 |
| 8 | Threads | 112 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 1.70 GHz | Frequency | 2.00 GHz |
| 4.40 GHz | Turbo Frequency (1 Core) | 3.50 GHz |
| -- | Turbo Frequency (All Cores) | 3.00 GHz |
Internal GraphicsThe Intel Core i7-8665UE or AMD EPYC 7663 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 620 | GPU | no iGPU |
| 0.30 GHz | GPU frequency | -- |
| 1.15 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 |
| 16 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 620 | 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 i7-8665UE can use up to 64 GB of memory in 2 memory channels. The maximum memory bandwidth is 38.4 GB/s. The AMD EPYC 7663 supports up to 4096 GB of memory in 8 memory channels and achieves a memory bandwidth of up to 204.8 GB/s. |
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| Intel Core i7-8665UE | Characteristic | AMD EPYC 7663 |
| DDR4-2400 | Memory | DDR4-3200 |
| 64 GB | Max. Memory | 4096 GB |
| 2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
| 38.4 GB/s | Max. Bandwidth | 204.8 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 i7-8665UE is 15 W, while the AMD EPYC 7663 has a TDP of 240 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| Intel Core i7-8665UE | Characteristic | AMD EPYC 7663 |
| 15 W | TDP (PL1 / PBP) | 240 W |
| -- | TDP (PL2) | -- |
| 25 W | TDP up | -- |
| 12.5 W | TDP down | 225 W |
| 100 °C | Tjunction max. | -- |
Technical detailsThe Intel Core i7-8665UE is manufactured in 14 nm and has 8.00 MB cache. The AMD EPYC 7663 is manufactured in 7 nm and has a 256.00 MB cache. |
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| Intel Core i7-8665UE | Characteristic | AMD EPYC 7663 |
| 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 1356 | 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 | Q1/2021 |
| 409 $ | Release price | 6366 $ |
| show more data | show more data | |
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4C 8T @ 1.70 GHz (4.40 GHz) buy now on Amazon and save!
56C 112T @ 2.00 GHz (3.50 GHz) buy now on Amazon and save!
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 0 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 i7-8665UE
4C 8T @ 4.40 GHz |
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AMD EPYC 7663
56C 112T @ 3.50 GHz |
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Cinebench R23 (Single-Core)
Cinebench R23 is the successor of Cinebench R20 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 i7-8665UE
4C 8T @ 4.40 GHz |
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AMD EPYC 7663
56C 112T @ 3.50 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 i7-8665UE
4C 8T @ 1.70 GHz |
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AMD EPYC 7663
56C 112T @ 3.00 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 i7-8665UE
Intel UHD Graphics 620 @ 1.15 GHz |
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AMD EPYC 7663
@ 0.00 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 i7-8665UE
4C 8T @ 1.70 GHz |
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AMD EPYC 7663
56C 112T @ 3.00 GHz |
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Devices using this processor |
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| Intel Core i7-8665UE | AMD EPYC 7663 |
| Unknown | Unknown |
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