Phenom II X4 945 (125W) vs i7-980
Primary details
Comparing Core i7-980 and Phenom II X4 945 (125W) processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1344 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.20 | no data |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 3.18 | no data |
| Architecture codename | Gulftown (2010−2011) | Deneb (2009−2011) |
| Release date | 26 June 2011 (13 years ago) | 23 April 2009 (15 years ago) |
| Launch price (MSRP) | $1,109 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i7-980 and Phenom II X4 945 (125W) 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 | 6 (Hexa-Core) | 4 (Quad-Core) |
| Threads | 12 | 4 |
| Base clock speed | 3.33 GHz | 3 GHz |
| Boost clock speed | 3.6 GHz | 3 GHz |
| Bus rate | 4.8 GT/s | no data |
| L1 cache | 64 KB (per core) | 128 KB (per core) |
| L2 cache | 256 KB (per core) | 512 KB (per core) |
| L3 cache | 12 MB (shared) | 6 MB (shared) |
| Chip lithography | 32 nm | 45 nm |
| Die size | 239 mm2 | 258 mm2 |
| Maximum core temperature | 69 °C | no data |
| Number of transistors | 1,170 million | 758 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Core i7-980 and Phenom II X4 945 (125W) 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 | FCLGA1366,LGA1366 | AM3 |
| Power consumption (TDP) | 130 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-980 and Phenom II X4 945 (125W). You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | no data |
| AES-NI | + | - |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 1.0 | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | + | no data |
| Demand Based Switching | - | no data |
Security technologies
Core i7-980 and Phenom II X4 945 (125W) 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 Core i7-980 and Phenom II X4 945 (125W) are enumerated here.
| AMD-V | - | + |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-980 and Phenom II X4 945 (125W). Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
| Maximum memory size | 24 GB | no data |
| Max memory channels | 3 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | On certain motherboards (Chipset feature) |
Peripherals
Specifications and connection of peripherals supported by Core i7-980 and Phenom II X4 945 (125W).
| PCIe version | 2.0 | 2.0 |
Pros & cons summary
| Recency | 26 June 2011 | 23 April 2009 |
| Physical cores | 6 | 4 |
| Threads | 12 | 4 |
| Chip lithography | 32 nm | 45 nm |
| Power consumption (TDP) | 130 Watt | 125 Watt |
i7-980 has an age advantage of 2 years, 50% more physical cores and 200% more threads, and a 40.6% more advanced lithography process.
Phenom II X4 945 (125W), on the other hand, has 4% lower power consumption.
We couldn't decide between Core i7-980 and Phenom II X4 945 (125W). We've got no test results to judge.
Should you still have questions on choice between Core i7-980 and Phenom II X4 945 (125W), ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
