AMD Phenom II X2 521 vs. Intel Celeron 3755U
CPU comparison with benchmarks
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| AMD Phenom II X2 521 | Intel Celeron 3755U | |
| AMD Phenom II | Family | Intel Celeron |
| AMD Phenom II - 500 | CPU group | Intel Celeron 3000 |
| 1 | Generation | 7 |
| Regor (K10) | Architecture | Kaby Lake U |
| Desktop / Server | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | -- |
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| 2 | Cores | 2 |
| 2 | Threads | 2 |
| 3.50 GHz | Frequency | 1.70 GHz |
| Turbo (1 Core) | ||
| Turbo (All Cores) | ||
| normal | Core architecture | normal |
| No | Hyperthreading | No |
| Yes | Overclocking ? | No |
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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 | |
| Execution units | 12 | |
| Shader | 96 | |
| Max. GPU Memory | 8 GB | |
| DirectX Version | 11.2 | |
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| 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 |
CPU Cores and Base Frequency
Internal Graphics
Hardware codec support
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| DDR2-1066, DDR3-1333 | Memory | DDR3-1600 |
| Max. Memory | ||
| 2 | Memory channels | 2 |
| No | ECC | No |
| L2 Cache | ||
| 2.00 MB | L3 Cache | 2.00 MB |
| PCIe version | 2.0 | |
| PCIe lanes | 12 | |
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| 65 W | TDP (PL1) | 15 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
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| 45 nm | Technology | 14 nm |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE3, SSE4a | ISA extensions | SSE4.1, SSE4.2 |
| AM3 | Socket | BGA 1168 |
| AMD-V | Virtualization | VT-x, VT-x EPT, VT-d |
| No | AES-NI | Yes |
| Q2/2011 | Release date | Q1/2015 |
| show more data | show more data | |
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2 x 1.70 GHz, Turbo (15 W TDP) buy now on Amazon and save!
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Memory & PCIe
Thermal Management
Technical detailsCinebench R15 (Single-Core)
Cinebench R15 is the successor of Cinebench 11.5 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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AMD Phenom II X2 521
2x 3.50 GHz |
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Intel Celeron 3755U
2x 1.70 GHz |
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Cinebench R15 (Multi-Core)
Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.|
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AMD Phenom II X2 521
2x 3.50 GHz |
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Intel Celeron 3755U
2x 1.70 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 Phenom II X2 521
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Intel Celeron 3755U
Intel HD Graphics (Broadwell GT1) @ 0.80 GHz |
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Geekbench 3, 64bit (Single-Core)
Geekbench 3 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 Phenom II X2 521
2x 3.50 GHz |
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Intel Celeron 3755U
2x 1.70 GHz |
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Geekbench 3, 64bit (Multi-Core)
Geekbench 3 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 Phenom II X2 521
2x 3.50 GHz |
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Intel Celeron 3755U
2x 1.70 GHz |
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Cinebench R11.5, 64bit (Single-Core)
Cinebench 11.5 is based on the Cinema 4D Suite, a software that is popular to generate forms and other stuff in 3D. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.|
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AMD Phenom II X2 521
2x 3.50 GHz |
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Intel Celeron 3755U
2x 1.70 GHz |
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Cinebench R11.5, 64bit (Multi-Core)
Cinebench 11.5 is based on the Cinema 4D Suite, a software that is popular to generate forms and other stuff in 3D. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.|
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AMD Phenom II X2 521
2x 3.50 GHz |
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Intel Celeron 3755U
2x 1.70 GHz |
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Cinebench R11.5, 64bit (iGPU, OpenGL)
Cinebench 11.5 is based on the Cinema 4D Suite, a software that is popular to generate forms and other stuff in 3D. The iGPU test uses the CPU internal graphic unit to execute OpenGL commands.|
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AMD Phenom II X2 521
2x 3.50 GHz |
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Intel Celeron 3755U
2x 1.70 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 Phenom II X2 521
2x 3.50 GHz |
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Intel Celeron 3755U
2x 1.70 GHz |
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| AMD Phenom II X2 521 | Intel Celeron 3755U |
| Unknown | Unknown |
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