Intel Core i5-8257U | AMD Ryzen 9 3900 | |
CPU comparisonIn this CPU comparison, we compare the Intel Core i5-8257U and the AMD Ryzen 9 3900 and use benchmarks to check which processor is faster.
We compare the Intel Core i5-8257U 4 core processor released in Q3/2019 with the AMD Ryzen 9 3900 which has 12 CPU cores and was introduced in Q3/2019. |
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Intel Core i5 (331) | Family | AMD Ryzen 9 (40) |
Intel Core i 8000U (8) | CPU group | AMD Ryzen 3000 (15) |
8 | Generation | 3 |
Coffee Lake U | Architecture | Matisse (Zen 2) |
Mobile | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | AMD Ryzen 9 5900 |
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CPU Cores and Base FrequencyThe Intel Core i5-8257U is a 4 core processor with a clock frequency of 1.40 GHz (3.90 GHz). The processor can compute 8 threads at the same time. The AMD Ryzen 9 3900 clocks with 3.10 GHz (4.30 GHz), has 12 CPU cores and can calculate 24 threads in parallel. |
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Intel Core i5-8257U | Characteristic | AMD Ryzen 9 3900 |
4 | Cores | 12 |
8 | Threads | 24 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | Yes |
1.40 GHz | Frequency | 3.10 GHz |
3.90 GHz | Turbo Frequency (1 Core) | 4.30 GHz |
3.20 GHz | Turbo Frequency (All Cores) | -- |
Integrated graphics (iGPU)Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback. |
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Intel Iris Plus Graphics 645 | GPU | no iGPU |
0.30 GHz | GPU frequency | -- |
1.05 GHz | GPU (Turbo) | -- |
9.5 | GPU Generation | -- |
14 nm | Technology | |
3 | Max. displays | |
48 | Compute units | -- |
384 | Shader | -- |
No | Hardware Raytracing | No |
No | Frame Generation | No |
32 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 Iris Plus Graphics 645 | 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 & PCIeUp to 32 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i5-8257U, while the AMD Ryzen 9 3900 supports a maximum of 128 GB of memory with a maximum memory bandwidth of 51.2 GB/s enabled. |
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Intel Core i5-8257U | Characteristic | AMD Ryzen 9 3900 |
DDR4-2400 | Memory | DDR4-3200 |
32 GB | Max. Memory | 128 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
38.4 GB/s | Max. Bandwidth | 51.2 GB/s |
No | ECC | No |
-- | L2 Cache | -- |
6.00 MB | L3 Cache | 64.00 MB |
3.0 | PCIe version | 4.0 |
16 | PCIe lanes | 20 |
15.8 GB/s | PCIe Bandwidth | 39.4 GB/s |
Thermal ManagementThe Intel Core i5-8257U has a TDP of 15 W. The TDP of the AMD Ryzen 9 3900 is 65 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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Intel Core i5-8257U | Characteristic | AMD Ryzen 9 3900 |
15 W | TDP (PL1 / PBP) | 65 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | 95 °C |
Technical detailsThe Intel Core i5-8257U has 6.00 MB cache and is manufactured in 14 nm. The cache of AMD Ryzen 9 3900 is at 64.00 MB. The processor is manufactured in 7 nm. |
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Intel Core i5-8257U | Characteristic | AMD Ryzen 9 3900 |
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 1528 | Socket | AM4 (PGA 1331) |
VT-x, VT-x EPT, VT-d | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows 10, Windows 11, Linux | Operating systems | Windows 10, Windows 11, Linux |
Q3/2019 | Release date | Q3/2019 |
320 $ | Release price | 485 $ |
show more data | show more data | |
Intel Core i5-8257U
4C 8T @ 3.90 GHz |
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AMD Ryzen 9 3900
12C 24T @ 4.30 GHz |
Intel Core i5-8257U
4C 8T @ 3.20 GHz |
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AMD Ryzen 9 3900
12C 24T @ 3.10 GHz |
Intel Core i5-8257U
4C 8T @ 3.90 GHz |
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AMD Ryzen 9 3900
12C 24T @ 4.30 GHz |
Intel Core i5-8257U
4C 8T @ 3.20 GHz |
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AMD Ryzen 9 3900
12C 24T @ 3.10 GHz |
Intel Core i5-8257U
4C 8T @ 3.90 GHz |
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AMD Ryzen 9 3900
12C 24T @ 4.30 GHz |
Intel Core i5-8257U
4C 8T @ 3.20 GHz |
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AMD Ryzen 9 3900
12C 24T @ 3.10 GHz |
Intel Core i5-8257U
4C 8T @ 3.90 GHz |
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AMD Ryzen 9 3900
12C 24T @ 4.30 GHz |
Intel Core i5-8257U
4C 8T @ 3.20 GHz |
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AMD Ryzen 9 3900
12C 24T @ 3.10 GHz |
Intel Core i5-8257U
4C 8T @ 3.20 GHz |
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AMD Ryzen 9 3900
12C 24T @ 3.10 GHz |
Intel Core i5-8257U
4C 8T @ 3.20 GHz |
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AMD Ryzen 9 3900
12C 24T @ 3.10 GHz |
Intel Core i5-8257U
4C 8T @ 3.90 GHz |
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AMD Ryzen 9 3900
12C 24T @ 4.30 GHz |
Intel Core i5-8257U
4C 8T @ 3.90 GHz |
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AMD Ryzen 9 3900
12C 24T @ 4.30 GHz |
Intel Core i5-8257U
Intel Iris Plus Graphics 645 @ 1.05 GHz |
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AMD Ryzen 9 3900
@ 0.00 GHz |
Intel Core i5-8257U
4C 8T @ 3.90 GHz |
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AMD Ryzen 9 3900
12C 24T @ 4.30 GHz |
Intel Core i5-8257U
4C 8T @ 1.40 GHz |
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AMD Ryzen 9 3900
12C 24T @ 3.10 GHz |
Intel Core i5-8257U
4C 8T @ 3.90 GHz |
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AMD Ryzen 9 3900
12C 24T @ 4.30 GHz |
Intel Core i5-8257U
4C 8T @ 3.20 GHz |
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AMD Ryzen 9 3900
12C 24T @ 3.10 GHz |
Devices using this processor |
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Intel Core i5-8257U | AMD Ryzen 9 3900 |
Apple MacBook Pro 13 (2019) | Unknown |