AMD Athlon II X3 405e vs Intel Core i7-3687U
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CPU comparison with benchmarks
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| AMD Athlon II X3 405e | Intel Core i7-3687U | |
CPU comparisonAMD Athlon II X3 405e or Intel Core i7-3687U - 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 Athlon II X3 405e has 3 cores with 3 threads and clocks with a maximum frequency of 2.30 GHz. Up to 16 GB of memory is supported in 2 memory channels. The AMD Athlon II X3 405e was released in Q3/2009. The Intel Core i7-3687U has 2 cores with 4 threads and clocks with a maximum frequency of 3.30 GHz. The CPU supports up to 32 GB of memory in 2 memory channels. The Intel Core i7-3687U was released in Q1/2013. |
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| AMD Athlon II (52) | Family | Intel Core i7 (298) |
| AMD Athlon II X3 (Rana) (12) | CPU group | Intel Core i 3000U (12) |
| 1 | Generation | 3 |
| Rana | Architecture | Ivy Bridge U |
| Desktop / Server | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Athlon II X3 405e has 3 CPU cores and can calculate 3 threads in parallel. The clock frequency of the AMD Athlon II X3 405e is 2.30 GHz while the Intel Core i7-3687U has 2 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Core i7-3687U is at 2.10 GHz (3.30 GHz). |
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| AMD Athlon II X3 405e | Characteristic | Intel Core i7-3687U |
| 3 | Cores | 2 |
| 3 | Threads | 4 |
| normal | Core architecture | normal |
| No | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 2.30 GHz | Frequency | 2.10 GHz |
| -- | Turbo Frequency (1 Core) | 3.30 GHz |
| -- | Turbo Frequency (All Cores) | 3.30 GHz |
Internal GraphicsThe AMD Athlon II X3 405e or Intel Core i7-3687U has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die. |
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| no iGPU | GPU | Intel HD Graphics 4000 |
| GPU frequency | 0.35 GHz | |
| -- | GPU (Turbo) | 1.20 GHz |
| -- | GPU Generation | 7 |
| Technology | 22 nm | |
| Max. displays | 3 | |
| -- | Compute units | 16 |
| -- | Shader | 128 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| -- | Max. GPU Memory | 2 GB |
| -- | DirectX Version | 11.0 |
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 4000 |
| 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 | No |
| No | Codec AV1 | No |
| No | Codec AVC | Decode / Encode |
| No | Codec VC-1 | Decode |
| No | Codec JPEG | Decode |
Memory & PCIeThe AMD Athlon II X3 405e can use up to 16 GB of memory in 2 memory channels. The maximum memory bandwidth is 21.3 GB/s. The Intel Core i7-3687U supports up to 32 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 25.6 GB/s. |
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| AMD Athlon II X3 405e | Characteristic | Intel Core i7-3687U |
| DDR3-1333 | Memory | DDR3L-1333, DDR3L-1600, DDR3-1333, DDR3-1600 |
| 16 GB | Max. Memory | 32 GB |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 21.3 GB/s | Max. Bandwidth | 25.6 GB/s |
| No | ECC | No |
| 1.50 MB | L2 Cache | -- |
| -- | L3 Cache | 4.00 MB |
| 2.0 | PCIe version | 2.0 |
| -- | PCIe lanes | 16 |
| -- | PCIe Bandwidth | 8.0 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD Athlon II X3 405e is 45 W, while the Intel Core i7-3687U has a TDP of 17 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| AMD Athlon II X3 405e | Characteristic | Intel Core i7-3687U |
| 45 W | TDP (PL1 / PBP) | 17 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | 105 °C |
Technical detailsThe AMD Athlon II X3 405e is manufactured in 45 nm and has 1.50 MB cache. The Intel Core i7-3687U is manufactured in 22 nm and has a 4.00 MB cache. |
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| AMD Athlon II X3 405e | Characteristic | Intel Core i7-3687U |
| 45 nm | Technology | 22 nm |
| Unknown | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| MMX, 3DNow!, SSE3, SSE4a | ISA extensions | SSE4.1, SSE4.2, AVX |
| AM3 | Socket | BGA 1023 |
| AMD-V | Virtualization | VT-x, VT-x EPT |
| No | AES-NI | Yes |
| Windows 10, Linux | Operating systems | Windows 10, Linux |
| Q3/2009 | Release date | Q1/2013 |
| -- | Release price | 346 $ |
| show more data | show more data | |
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 2 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 Athlon II X3 405e
3C 3T @ 2.30 GHz |
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Intel Core i7-3687U
2C 4T @ 3.30 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 Athlon II X3 405e
3C 3T @ 2.30 GHz |
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Intel Core i7-3687U
2C 4T @ 3.30 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 Athlon II X3 405e
3C 3T @ 2.30 GHz |
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Intel Core i7-3687U
2C 4T @ 3.30 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 Athlon II X3 405e
3C 3T @ 2.30 GHz |
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Intel Core i7-3687U
2C 4T @ 3.30 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 Athlon II X3 405e
3C 3T @ 2.30 GHz |
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Intel Core i7-3687U
2C 4T @ 3.30 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 Athlon II X3 405e
@ 0.00 GHz |
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Intel Core i7-3687U
Intel HD Graphics 4000 @ 1.20 GHz |
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Devices using this processor |
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| AMD Athlon II X3 405e | Intel Core i7-3687U |
| Unknown | Unknown |
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