i7-975 Extreme Edition vs Phenom II X4 955 (95W)
Primary details
Comparing Phenom II X4 955 (95W) and Core i7-975 Extreme Edition processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Series | no data | Intel Core i7EE |
| Architecture codename | Deneb (2009−2011) | Nehalem (2008−2010) |
| Release date | 1 April 2009 (15 years ago) | 2 June 2009 (15 years ago) |
Detailed specifications
Phenom II X4 955 (95W) 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 | 4 (Quad-Core) | 4 (Quad-Core) |
| Threads | 4 | 8 |
| Base clock speed | 3.2 GHz | no data |
| Boost clock speed | 3.2 GHz | 3.33 GHz |
| Bus type | no data | QPI |
| Bus rate | no data | 6.4 GT/s |
| Multiplier | no data | 25 |
| L1 cache | 128 KB (per core) | no data |
| L2 cache | 512 KB (per core) | 1 MB |
| L3 cache | 6 MB (shared) | 8 MB |
| Chip lithography | 45 nm | 45 nm |
| Die size | 258 mm2 | 263 mm2 |
| Number of transistors | 758 million | 731 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Phenom II X4 955 (95W) 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 | AM3 | no data |
| Power consumption (TDP) | 95 Watt | 130 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X4 955 (95W) and Core i7-975 Extreme Edition. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II X4 955 (95W) and Core i7-975 Extreme Edition are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X4 955 (95W) and Core i7-975 Extreme Edition. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | no data |
| Maximum memory size | no data | 24 GB |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | no data |
Peripherals
Specifications and connection of peripherals supported by Phenom II X4 955 (95W) and Core i7-975 Extreme Edition.
| PCIe version | 2.0 | no data |
Pros & cons summary
| Recency | 1 April 2009 | 2 June 2009 |
| Threads | 4 | 8 |
| Power consumption (TDP) | 95 Watt | 130 Watt |
Phenom II X4 955 (95W) has 36.8% lower power consumption.
i7-975 Extreme Edition, on the other hand, has an age advantage of 2 months, and 100% more threads.
We couldn't decide between Phenom II X4 955 (95W) and Core i7-975 Extreme Edition. We've got no test results to judge.
Should you still have questions on choice between Phenom II X4 955 (95W) and Core i7-975 Extreme Edition, ask them in Comments section, and we shall answer.
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