AMD Phenom II X4 905e vs AMD Sempron 3850
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CPU comparison with benchmarks
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| AMD Phenom II X4 905e | AMD Sempron 3850 | |
CPU comparisonIn this CPU comparison, we compare the AMD Phenom II X4 905e and the AMD Sempron 3850 and use benchmarks to check which processor is faster.
We compare the AMD Phenom II X4 905e 4 core processor released in Q1/2009 with the AMD Sempron 3850 which has 4 CPU cores and was introduced in Q2/2014. |
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| AMD Phenom II (52) | Family | AMD Sempron (2) |
| AMD Phenom II - 800/900 (23) | CPU group | AMD Sempron 2000/3000 (2) |
| 4 | Generation | 1 |
| Deneb (K10) | Architecture | Kabini (Jaguar) |
| Desktop / Server | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Phenom II X4 905e is a 4 core processor with a clock frequency of 2.50 GHz. The processor can compute 4 threads at the same time. The AMD Sempron 3850 clocks with 1.30 GHz, has 4 CPU cores and can calculate 4 threads in parallel. |
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| AMD Phenom II X4 905e | Characteristic | AMD Sempron 3850 |
| 4 | Cores | 4 |
| 4 | Threads | 4 |
| normal | Core architecture | normal |
| No | Hyperthreading | No |
| Yes | Overclocking ? | No |
| 2.50 GHz | Frequency | 1.30 GHz |
| -- | Turbo Frequency (1 Core) | -- |
| -- | 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 HD 8280 |
| GPU frequency | 0.45 GHz | |
| -- | GPU (Turbo) | -- |
| -- | GPU Generation | 5 |
| Technology | 28 nm | |
| Max. displays | 2 | |
| -- | Compute units | 2 |
| -- | Shader | 128 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| -- | Max. GPU Memory | 2 GB |
| -- | DirectX Version | 11.1 |
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 | AMD Radeon HD 8280 |
| No | Codec h265 / HEVC (8 bit) | No |
| No | Codec h265 / HEVC (10 bit) | No |
| No | Codec h264 | Decode |
| No | Codec VP9 | No |
| No | Codec VP8 | No |
| No | Codec AV1 | No |
| No | Codec AVC | Decode |
| No | Codec VC-1 | Decode |
| No | Codec JPEG | Decode / Encode |
Memory & PCIeUp to GB of memory in a maximum of 2 memory channels is supported by the AMD Phenom II X4 905e, while the AMD Sempron 3850 supports a maximum of 8 GB of memory with a maximum memory bandwidth of 12.8 GB/s enabled. |
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| AMD Phenom II X4 905e | Characteristic | AMD Sempron 3850 |
| DDR3-1333, DDR2-1066 | Memory | DDR3L-1600 |
| Max. Memory | 8 GB | |
| 2 (Dual Channel) | Memory channels | 1 (Single Channel) |
| 21.3 GB/s | Max. Bandwidth | 12.8 GB/s |
| No | ECC | No |
| -- | L2 Cache | 2.00 MB |
| 6.00 MB | L3 Cache | -- |
| -- | PCIe version | 2.0 |
| -- | PCIe lanes | 4 |
| -- | PCIe Bandwidth | 2.0 GB/s |
Thermal ManagementThe AMD Phenom II X4 905e has a TDP of 65 W. The TDP of the AMD Sempron 3850 is 25 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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| AMD Phenom II X4 905e | Characteristic | AMD Sempron 3850 |
| 65 W | TDP (PL1 / PBP) | 25 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | 90 °C |
Technical detailsThe AMD Phenom II X4 905e has 6.00 MB cache and is manufactured in 45 nm. The cache of AMD Sempron 3850 is at 2.00 MB. The processor is manufactured in 28 nm. |
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| AMD Phenom II X4 905e | Characteristic | AMD Sempron 3850 |
| 45 nm | Technology | 28 nm |
| Unknown | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE3, SSE4a | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX |
| AM3 | Socket | AM1 |
| AMD-V | Virtualization | AMD-V |
| No | AES-NI | Yes |
| Windows 10, Linux | Operating systems | Windows 10, Linux |
| Q1/2009 | Release date | Q2/2014 |
| -- | Release price | 30 $ |
| show more data | show more data | |
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Average performance in benchmarks
⌀ Single core performance in 0 CPU benchmarks
⌀ Multi core performance in 1 CPU benchmarks
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 X4 905e
4C 4T @ 2.50 GHz |
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AMD Sempron 3850
4C 4T @ 1.30 GHz |
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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 Phenom II X4 905e
4C 4T @ 2.50 GHz |
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AMD Sempron 3850
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 Phenom II X4 905e
4C 4T @ 2.50 GHz |
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AMD Sempron 3850
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 Phenom II X4 905e
4C 4T @ 2.50 GHz |
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AMD Sempron 3850
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 Phenom II X4 905e
4C 4T @ 2.50 GHz |
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AMD Sempron 3850
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 Phenom II X4 905e
@ 0.00 GHz |
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AMD Sempron 3850
AMD Radeon HD 8280 @ 0.45 GHz |
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Cinebench 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 X4 905e
4C 4T @ 2.50 GHz |
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AMD Sempron 3850
4C 4T @ 1.30 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 X4 905e
4C 4T @ 2.50 GHz |
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AMD Sempron 3850
4C 4T @ 1.30 GHz |
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Devices using this processor |
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| AMD Phenom II X4 905e | AMD Sempron 3850 |
| Unknown | Unknown |
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