AMD Ryzen Threadripper PRO 3945WX vs MediaTek MT8121
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CPU comparison with benchmarks
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| AMD Ryzen Threadripper PRO 3945WX | MediaTek MT8121 | |
CPU comparisonIn this CPU comparison, we compare the AMD Ryzen Threadripper PRO 3945WX and the MediaTek MT8121 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 MediaTek MT8121 which has 4 CPU cores and was introduced in Q4/2013. |
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| AMD Ryzen Threadripper PRO (15) | Family | Mediatek MT-Serie (72) |
| AMD Ryzen Threadripper PRO 3000 (4) | CPU group | MediaTek MT81xx A7 (5) |
| 3 | Generation | 1 |
| Castle Peak (Zen 2) | Architecture | Cortex-A7 |
| 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 MediaTek MT8121 clocks with 1.30 GHz, has 4 CPU cores and can calculate 4 threads in parallel. |
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| AMD Ryzen Threadripper PRO 3945WX | Characteristic | MediaTek MT8121 |
| 12 | Cores | 4 |
| 24 | Threads | 4 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | No |
| Yes | Overclocking ? | No |
| 4.00 GHz | Frequency | 1.30 GHz |
| 4.30 GHz | Turbo Frequency (1 Core) | -- |
| 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 | PowerVR SGX544 |
| GPU frequency | 0.16 GHz | |
| -- | GPU (Turbo) | 0.16 GHz |
| -- | GPU Generation | -- |
| Technology | 45nm | |
| Max. displays | 1 | |
| -- | Compute units | 2 |
| -- | Shader | 4 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| -- | Max. GPU Memory | -- |
| -- | DirectX Version | 10.1 |
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 | PowerVR SGX544 |
| 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 | No |
| No | Codec VC-1 | No |
| No | Codec JPEG | No |
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 MediaTek MT8121 supports a maximum of GB of memory with a maximum memory bandwidth of -- enabled. |
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| AMD Ryzen Threadripper PRO 3945WX | Characteristic | MediaTek MT8121 |
| DDR4-3200 | Memory | |
| 2048 GB | Max. Memory | |
| 8 (Octa Channel) | Memory channels | 0 |
| 51.2 GB/s | Max. Bandwidth | -- |
| Yes | ECC | No |
| 6.00 MB | L2 Cache | -- |
| 64.00 MB | L3 Cache | -- |
| 4.0 | PCIe version | -- |
| 128 | PCIe lanes | -- |
| 252.0 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe AMD Ryzen Threadripper PRO 3945WX has a TDP of 280 W. The TDP of the MediaTek MT8121 is --. 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 | MediaTek MT8121 |
| 280 W | TDP (PL1 / PBP) | -- |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| 95 °C | Tjunction max. | -- |
Technical detailsThe AMD Ryzen Threadripper PRO 3945WX has 70.00 MB cache and is manufactured in 7 nm. The cache of MediaTek MT8121 is at 0.00 MB. The processor is manufactured in 28 nm. |
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| AMD Ryzen Threadripper PRO 3945WX | Characteristic | MediaTek MT8121 |
| 7 nm | Technology | 28 nm |
| Chiplet | Chip design | Chiplet |
| x86-64 (64 bit) | Instruction set (ISA) | Armv7-A (32 bit) |
| SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | ISA extensions | -- |
| WRX8 (sWRX8) | Socket | -- |
| AMD-V, SVM | Virtualization | None |
| Yes | AES-NI | No |
| Windows 10, Windows 11, Linux | Operating systems | Android |
| Q1/2021 | Release date | Q4/2013 |
| -- | Release price | -- |
| show more data | show more data | |
12C 24T @ 4.00 GHz (4.30 GHz) buy now on Amazon and save!
4C 4T @ 1.30 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 1 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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AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.30 GHz |
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MediaTek MT8121
4C 4T @ 1.30 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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MediaTek MT8121
4C 4T @ 1.30 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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MediaTek MT8121
4C 4T @ 1.30 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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MediaTek MT8121
4C 4T @ 1.30 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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MediaTek MT8121
PowerVR SGX544 @ 0.16 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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MediaTek MT8121
4C 4T @ 1.30 GHz |
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Devices using this processor |
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| AMD Ryzen Threadripper PRO 3945WX | MediaTek MT8121 |
| Unknown | Unknown |
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