AMD Ryzen Threadripper PRO 3945WX vs AMD Athlon Silver 7120C
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CPU comparison with benchmarks
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| AMD Ryzen Threadripper PRO 3945WX | AMD Athlon Silver 7120C | |
CPU comparisonIn this CPU comparison, we compare the AMD Ryzen Threadripper PRO 3945WX and the AMD Athlon Silver 7120C and use benchmarks to check which processor is faster.
We compare the AMD Ryzen Threadripper PRO 3945WX 12 core processor released in Q1/2021 with the AMD Athlon Silver 7120C which has 2 CPU cores and was introduced in Q3/2022. |
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| AMD Ryzen Threadripper PRO (15) | Family | AMD Athlon (29) |
| AMD Ryzen Threadripper PRO 3000 (4) | CPU group | AMD Athlon Silver 7000 (2) |
| 3 | Generation | 5 |
| Castle Peak (Zen 2) | Architecture | Mendocino (Zen2) |
| Desktop / Server | Segment | Mobile |
| -- | Predecessor | -- |
| AMD Ryzen Threadripper PRO 5945WX | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Ryzen Threadripper PRO 3945WX is a 12 core processor with a clock frequency of 4.00 GHz (4.30 GHz). The processor can compute 24 threads at the same time. The AMD Athlon Silver 7120C clocks with 2.40 GHz (3.50 GHz), has 2 CPU cores and can calculate 2 threads in parallel. |
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| AMD Ryzen Threadripper PRO 3945WX | Characteristic | AMD Athlon Silver 7120C |
| 12 | Cores | 2 |
| 24 | Threads | 2 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | No |
| Yes | Overclocking ? | No |
| 4.00 GHz | Frequency | 2.40 GHz |
| 4.30 GHz | Turbo Frequency (1 Core) | 3.50 GHz |
| 4.20 GHz | Turbo Frequency (All Cores) | -- |
Internal GraphicsGraphics (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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| no iGPU | GPU | AMD Radeon 610M |
| GPU frequency | 0.40 GHz | |
| -- | GPU (Turbo) | 1.90 GHz |
| -- | GPU Generation | 9 |
| Technology | 6 nm | |
| Max. displays | 3 | |
| -- | Compute units | 2 |
| -- | Shader | 128 |
| No | Hardware Raytracing | Yes |
| No | Frame Generation | No |
| -- | Max. GPU Memory | 8 GB |
| -- | DirectX Version | 12 |
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 | AMD Radeon 610M |
| No | Codec h265 / HEVC (8 bit) | Decode / Encode |
| No | Codec h265 / HEVC (10 bit) | Decode / Encode |
| No | Codec h264 | Decode / Encode |
| No | Codec VP9 | Decode / Encode |
| No | Codec VP8 | Decode / Encode |
| No | Codec AV1 | Decode |
| No | Codec AVC | Decode / Encode |
| No | Codec VC-1 | Decode |
| No | Codec JPEG | Decode / Encode |
Memory & PCIeUp to 2048 GB of memory in a maximum of 8 memory channels is supported by the AMD Ryzen Threadripper PRO 3945WX, while the AMD Athlon Silver 7120C supports a maximum of 16 GB of memory with a maximum memory bandwidth of 44.0 GB/s enabled. |
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| AMD Ryzen Threadripper PRO 3945WX | Characteristic | AMD Athlon Silver 7120C |
| DDR4-3200 | Memory | LPDDR5-5500 |
| 2048 GB | Max. Memory | 16 GB |
| 8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
| 51.2 GB/s | Max. Bandwidth | 44.0 GB/s |
| Yes | ECC | No |
| 6.00 MB | L2 Cache | 1.00 MB |
| 64.00 MB | L3 Cache | 2.00 MB |
| 4.0 | PCIe version | 3.0 |
| 128 | PCIe lanes | 4 |
| 252.0 GB/s | PCIe Bandwidth | 3.9 GB/s |
Thermal ManagementThe AMD Ryzen Threadripper PRO 3945WX has a TDP of 280 W. The TDP of the AMD Athlon Silver 7120C is 15 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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| AMD Ryzen Threadripper PRO 3945WX | Characteristic | AMD Athlon Silver 7120C |
| 280 W | TDP (PL1 / PBP) | 15 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| 95 °C | Tjunction max. | 95 °C |
Technical detailsThe AMD Ryzen Threadripper PRO 3945WX has 70.00 MB cache and is manufactured in 7 nm. The cache of AMD Athlon Silver 7120C is at 3.00 MB. The processor is manufactured in 6 nm. |
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| AMD Ryzen Threadripper PRO 3945WX | Characteristic | AMD Athlon Silver 7120C |
| 7 nm | Technology | 6 nm |
| Chiplet | Chip design | Unknown |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
| WRX8 (sWRX8) | Socket | FT6 |
| AMD-V, SVM | Virtualization | AMD-V, SVM |
| Yes | AES-NI | Yes |
| Windows 10, Windows 11, Linux | Operating systems | Windows 11, Linux |
| Q1/2021 | Release date | Q3/2022 |
| -- | Release price | -- |
| show more data | show more data | |
12C 24T @ 4.00 GHz (4.30 GHz) buy now on Amazon and save!
2C 2T @ 2.40 GHz (3.50 GHz) buy now on Amazon and save!
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Rate these processors
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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AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.30 GHz |
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AMD Athlon Silver 7120C
2C 2T @ 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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AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.20 GHz |
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AMD Athlon Silver 7120C
2C 2T @ 2.40 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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AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.30 GHz |
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AMD Athlon Silver 7120C
2C 2T @ 3.50 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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AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.20 GHz |
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AMD Athlon Silver 7120C
2C 2T @ 2.40 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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AMD Ryzen Threadripper PRO 3945WX
@ 0.00 GHz |
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AMD Athlon Silver 7120C
AMD Radeon 610M @ 1.90 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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AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.20 GHz |
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AMD Athlon Silver 7120C
2C 2T @ 2.40 GHz |
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Devices using this processor |
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| AMD Ryzen Threadripper PRO 3945WX | AMD Athlon Silver 7120C |
| Unknown | Unknown |
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