CPU comparison with benchmarks |
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CPU lineage |
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AMD Phenom II X4 940 or AMD Phenom II X4 940 – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The AMD Phenom II X4 940 features 4 processor cores and has the capability to manage 4 threads concurrently. It was released in Q1/2009 and belongs to the 4 generation of the AMD Phenom II series. To use the AMD Phenom II X4 940, you'll need a motherboard with a AM2+ socket. The Intel Core 2 Quad Q8400s features 4 processor cores and has the capability to manage 4 threads concurrently. It was released in Q2/2009 and belongs to the 2 generation of the Intel Core2 Quad series. To use the Intel Core 2 Quad Q8400s, you'll need a motherboard with a LGA 775 socket. |
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| AMD Phenom II - 800/900 | Group | Intel Core 2 Quad Q8000/Q9000 |
| 4 | Generation | 2 |
| Desktop / Server | Segment | Desktop / Server |
| AMD Phenom II X4 940 | Name | Intel Core 2 Quad Q8400s |
| AMD Phenom II | Family | Intel Core2 Quad |
CPU Cores and Base Frequency |
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The AMD Phenom II X4 940 has 4 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the AMD Phenom II X4 940 is 3.0 GHz The Intel Core 2 Quad Q8400s has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Core 2 Quad Q8400s is 2.66 GHz |
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| No | Hyperthreading | No |
| 4x | Cores | 4x |
| Yes | Overclocking | No |
| 4 | Threads | 4 |
| 4 | CPU Cores | 4 |
| normal | Core architecture | normal |
| 3.0 GHz | Frequency | 2.66 GHz |
Internal Graphics |
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The AMD Phenom II X4 940 does not have integrated graphics.
The Intel Core 2 Quad Q8400s does not have integrated graphics. |
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| -- | Shaders | -- |
| -- | Release date | -- |
| -- | Technology | -- |
| -- | Direct X | -- |
| 0 bytes | Max. GPU Memory | 0 bytes |
| -- | Max. displays | -- |
| -- | Execution units | -- |
| -- | GPU frequency | -- |
| -- | Generation | -- |
| -- | GPU (Turbo) | -- |
| GPU name | ||
Artificial Intelligence and Machine Learning |
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| -- | AI specifications | -- |
| -- | AI hardware | -- |
Hardware codec support |
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A 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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| -- | VP8 | -- |
| -- | VC-1 | -- |
| -- | JPEG | -- |
| -- | AV1 | -- |
| -- | h265 / HEVC (8 bit) | -- |
| -- | AVC | -- |
| -- | h264 | -- |
| -- | VP9 | -- |
| -- | h265 / HEVC (10 bit) | -- |
Memory & PCIe |
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| pci | PCIe | pci |
| No | AES-NI | No |
| DDR2-1066 | Memory type | DDR3-1066, DDR2-800 |
| No | ECC | No |
| 0 bytes | Max. Memory | 16.0 GB |
| 2 | Memory channels | 2 |
| -- | Bandwidth | -- |
Thermal Management |
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The processor has a thermal design power (TDP) of 125 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself. The processor has a thermal design power (TDP) of 65 W watts. |
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| 125 W | TDP (PL1 / PBP) | 65 W |
| -- | Tjunction max | -- |
Technical details |
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The AMD Phenom II X4 940 is manufactured using a 45 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU. In total, this processor boasts a generous 6.0 MB cache. A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming. The Intel Core 2 Quad Q8400s is manufactured using a 45 nm process. |
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| Q1/2009 | Release date | Q2/2009 |
| AMD-V | Virtualization | VT-x, VT-d |
| SSE3, SSE4a | ISA extensions | SSE3, SSE4.1, MMX, SSE2 |
| 45 nm | Technology | 45 nm |
| -- | Chip design | Monolithic |
| -- | Release price | -- |
| Deneb (K10) | Architecture | Yorkfield (Penryn) |
| 6.0 MB | L3-Cache | 0 bytes |
| Windows 10, Linux | Operating systems | Windows 10, Linux |
| Technical data sheet | Documents | Technical data sheet |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| -- | Part Number | -- |
| AM2+ | Socket | LGA 775 |
| 0 bytes | L2-Cache | 4.0 MB |