Atom D525 vs Phenom II X4 940 BE
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 3427 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | Intel Atom |
| Power efficiency | no data | 0.72 |
| Designer | AMD | Intel |
| Manufacturer | GlobalFoundries | Intel |
| Architecture codename | Deneb (2009−2011) | Pinetrail (2009−2011) |
| Release date | 8 January 2009 (16 years ago) | 21 June 2010 (15 years ago) |
| Launch price (MSRP) | $275 | $63 |
Detailed specifications
Phenom II X4 940 BE and Atom D525 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 4 (Quad-Core) | 2 (Dual-core) |
| Threads | 4 | 4 |
| Base clock speed | 3 GHz | 1.8 GHz |
| Boost clock speed | 3 GHz | 1.83 GHz |
| L1 cache | 128 KB (per core) | 64K (per core) |
| L2 cache | 512 KB (per core) | 512K (per core) |
| L3 cache | 6 MB (shared) | 0 KB |
| Chip lithography | 45 nm | 45 nm |
| Die size | 258 mm2 | 66 mm2 |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | 758 million | 176 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Phenom II X4 940 BE and Atom D525 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 | 1 |
| Socket | AM2+ | FCBGA559 |
| Power consumption (TDP) | 125 Watt | 13 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X4 940 BE and Atom D525. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE2, Intel® SSE3, Intel® SSSE3 |
| Enhanced SpeedStep (EIST) | no data | - |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | + |
| Idle States | no data | - |
| Demand Based Switching | no data | - |
| PAE | no data | 32 Bit |
Security technologies
Phenom II X4 940 BE and Atom D525 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | - |
| EDB | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II X4 940 BE and Atom D525 are enumerated here.
| AMD-V | + | - |
| VT-d | no data | - |
| VT-x | no data | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X4 940 BE and Atom D525. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR2, DDR3 |
| Maximum memory size | no data | 4 GB |
| Max memory channels | no data | 1 |
| Maximum memory bandwidth | no data | 6.4 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | Intel GMA 3150 |
Peripherals
Specifications and connection of peripherals supported by Phenom II X4 940 BE and Atom D525.
| PCIe version | 2.0 | no data |
Pros & cons summary
| Recency | 8 January 2009 | 21 June 2010 |
| Physical cores | 4 | 2 |
| Power consumption (TDP) | 125 Watt | 13 Watt |
Phenom II X4 940 BE has 100% more physical cores.
Atom D525, on the other hand, has an age advantage of 1 year, and 861.5% lower power consumption.
We couldn't decide between AMD Phenom II X4 940 BE and Intel Atom D525. We've got no test results to judge.
Note that Phenom II X4 940 BE is a desktop processor while Atom D525 is a notebook one.
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