AMD Ryzen Threadripper PRO 3975WX | Intel Pentium 3805U | |
CPU comparisonAMD Ryzen Threadripper PRO 3975WX or Intel Pentium 3805U - 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 Threadripper PRO 3975WX has 32 cores with 64 threads and clocks with a maximum frequency of 4.20 GHz. Up to 2048 GB of memory is supported in 8 memory channels. The AMD Ryzen Threadripper PRO 3975WX was released in Q3/2020. The Intel Pentium 3805U has 2 cores with 2 threads and clocks with a maximum frequency of 1.90 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Pentium 3805U was released in Q1/2015. |
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AMD Ryzen Threadripper PRO (15) | Family | Intel Pentium (150) |
AMD Ryzen Threadripper PRO 3000 (4) | CPU group | Intel Pentium 3000 (8) |
3 | Generation | 4 |
Castle Peak (Zen 2) | Architecture | Haswell U |
Desktop / Server | Segment | Mobile |
-- | Predecessor | -- |
AMD Ryzen Threadripper PRO 5975WX | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Ryzen Threadripper PRO 3975WX is a 32 core processor with a clock frequency of 3.50 GHz (4.20 GHz). The Intel Pentium 3805U has 2 CPU cores with a clock frequency of 1.90 GHz. |
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AMD Ryzen Threadripper PRO 3975WX | Characteristic | Intel Pentium 3805U |
32 | Cores | 2 |
64 | Threads | 2 |
normal | Core architecture | normal |
Yes | Hyperthreading | No |
Yes | Overclocking ? | No |
3.50 GHz | Frequency | 1.90 GHz |
4.20 GHz | Turbo Frequency (1 Core) | -- |
3.75 GHz | Turbo Frequency (All Cores) | -- |
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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no iGPU | GPU | Intel HD Graphics (Broadwell GT1) |
GPU frequency | 0.10 GHz | |
-- | GPU (Turbo) | 0.80 GHz |
-- | GPU Generation | 8 |
Technology | 14 nm | |
Max. displays | 3 | |
-- | Compute units | 12 |
-- | Shader | 96 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | 2 GB |
-- | DirectX Version | 11.2 |
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 iGPU | GPU | Intel HD Graphics (Broadwell GT1) |
No | Codec h265 / HEVC (8 bit) | No |
No | Codec h265 / HEVC (10 bit) | No |
No | Codec h264 | Decode / Encode |
No | Codec VP9 | No |
No | Codec VP8 | Decode |
No | Codec AV1 | No |
No | Codec AVC | Decode / Encode |
No | Codec VC-1 | Decode |
No | Codec JPEG | Decode |
Memory & PCIeThe AMD Ryzen Threadripper PRO 3975WX supports a maximum of 2048 GB of memory in 8 memory channels. The Intel Pentium 3805U can connect up to 16 GB of memory in 2 memory channels. |
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AMD Ryzen Threadripper PRO 3975WX | Characteristic | Intel Pentium 3805U |
DDR4-3200 | Memory | DDR3-1600 |
2048 GB | Max. Memory | 16 GB |
8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
51.2 GB/s | Max. Bandwidth | 25.6 GB/s |
Yes | ECC | No |
16.00 MB | L2 Cache | -- |
128.00 MB | L3 Cache | 2.00 MB |
4.0 | PCIe version | 2.0 |
128 | PCIe lanes | 12 |
252.0 GB/s | PCIe Bandwidth | 6.0 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Ryzen Threadripper PRO 3975WX has a TDP of 280 W, that of the Intel Pentium 3805U is 15 W. |
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AMD Ryzen Threadripper PRO 3975WX | Characteristic | Intel Pentium 3805U |
280 W | TDP (PL1 / PBP) | 15 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
95 °C | Tjunction max. | -- |
Technical detailsThe AMD Ryzen Threadripper PRO 3975WX has a 144.00 MB cache, while the Intel Pentium 3805U cache has a total of 2.00 MB. |
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AMD Ryzen Threadripper PRO 3975WX | Characteristic | Intel Pentium 3805U |
7 nm | Technology | 22 nm |
Chiplet | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | ISA extensions | SSE4.1, SSE4.2 |
WRX8 (sWRX8) | Socket | BGA 1168 |
AMD-V, SVM | Virtualization | VT-x, VT-x EPT, VT-d |
Yes | AES-NI | Yes |
Windows 10, Windows 11, Linux | Operating systems | Windows 10, Linux |
Q3/2020 | Release date | Q1/2015 |
2749 $ | Release price | -- |
show more data | show more data | |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 4.20 GHz |
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Intel Pentium 3805U
2C 2T @ 1.90 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 3.75 GHz |
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Intel Pentium 3805U
2C 2T @ 1.90 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 4.20 GHz |
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Intel Pentium 3805U
2C 2T @ 1.90 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 3.75 GHz |
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Intel Pentium 3805U
2C 2T @ 1.90 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 3.75 GHz |
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Intel Pentium 3805U
2C 2T @ 1.90 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 4.20 GHz |
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Intel Pentium 3805U
2C 2T @ 1.90 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 3.75 GHz |
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Intel Pentium 3805U
2C 2T @ 1.90 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 4.20 GHz |
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Intel Pentium 3805U
2C 2T @ 1.90 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 4.20 GHz |
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Intel Pentium 3805U
2C 2T @ 1.90 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 4.20 GHz |
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Intel Pentium 3805U
2C 2T @ 1.90 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 3.75 GHz |
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Intel Pentium 3805U
2C 2T @ 1.90 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 4.20 GHz |
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Intel Pentium 3805U
2C 2T @ 1.90 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 3.75 GHz |
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Intel Pentium 3805U
2C 2T @ 1.90 GHz |
AMD Ryzen Threadripper PRO 3975WX
@ 0.00 GHz |
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Intel Pentium 3805U
Intel HD Graphics (Broadwell GT1) @ 0.80 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 3.75 GHz |
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Intel Pentium 3805U
2C 2T @ 1.90 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 3.50 GHz |
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Intel Pentium 3805U
2C 2T @ 1.90 GHz |
Devices using this processor |
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AMD Ryzen Threadripper PRO 3975WX | Intel Pentium 3805U |
Unknown | Unknown |