i7-975 Extreme Edition vs Atom D425
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3687 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | no data | Intel Core i7EE |
| Power efficiency | 0.46 | no data |
| Designer | Intel | Intel |
| Manufacturer | Intel | no data |
| Architecture codename | Pineview (2009−2011) | Nehalem (2008−2010) |
| Release date | 21 June 2010 (15 years ago) | 2 June 2009 (16 years ago) |
| Launch price (MSRP) | $993 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Atom D425 and Core i7-975 Extreme Edition 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 | 1 (Single-Core) | 4 (Quad-Core) |
| Threads | 2 | 8 |
| Base clock speed | 1.8 GHz | no data |
| Boost clock speed | 1.83 GHz | 3.33 GHz |
| Bus type | no data | QPI |
| Bus rate | no data | 6.4 GT/s |
| Multiplier | no data | 25 |
| L1 cache | 64 KB (per core) | no data |
| L2 cache | 512 KB (per core) | 1 MB |
| L3 cache | 0 KB | 8 MB |
| Chip lithography | 45 nm | 45 nm |
| Die size | 66 mm2 | 263 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | 123 million | 731 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Atom D425 and Core i7-975 Extreme Edition 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 (Uniprocessor) |
| Socket | FCBGA559 | no data |
| Power consumption (TDP) | 10 Watt | 130 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom D425 and Core i7-975 Extreme Edition. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE2, Intel® SSE3, Intel® SSSE3 | no data |
| Enhanced SpeedStep (EIST) | - | + |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | - | no data |
| Demand Based Switching | - | no data |
| PAE | 32 Bit | no data |
Security technologies
Atom D425 and Core i7-975 Extreme Edition 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 Atom D425 and Core i7-975 Extreme Edition are enumerated here.
| VT-d | - | no data |
| VT-x | - | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom D425 and Core i7-975 Extreme Edition. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2, DDR3 | no data |
| Maximum memory size | 4 GB | 24 GB |
| Max memory channels | 1 | no data |
| Maximum memory bandwidth | 6.4 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel GMA 3150 | no data |
Pros & cons summary
| Recency | 21 June 2010 | 2 June 2009 |
| Physical cores | 1 | 4 |
| Threads | 2 | 8 |
| Power consumption (TDP) | 10 Watt | 130 Watt |
Atom D425 has an age advantage of 1 year, and 1200% lower power consumption.
i7-975 Extreme Edition, on the other hand, has 300% more physical cores and 300% more threads.
We couldn't decide between Intel Atom D425 and Intel Core i7-975 Extreme Edition. We've got no test results to judge.
Be aware that Atom D425 is a notebook processor while Core i7-975 Extreme Edition is a desktop one.
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