i7-975 Extreme Edition vs i5-650
Primary details
Comparing Core i5-650 and Core i7-975 Extreme Edition processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2193 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 4.93 | no data |
| Market segment | Desktop processor | Desktop processor |
| Series | no data | Intel Core i7EE |
| Power efficiency | 1.83 | no data |
| Architecture codename | Clarkdale (2010−2011) | Nehalem (2008−2010) |
| Release date | 7 January 2010 (14 years ago) | 2 June 2009 (15 years ago) |
| Launch price (MSRP) | $35 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i5-650 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 | 2 (Dual-core) | 4 (Quad-Core) |
| Threads | 4 | 8 |
| Base clock speed | 3.2 GHz | no data |
| Boost clock speed | 3.46 GHz | 3.33 GHz |
| Bus type | no data | QPI |
| Bus rate | 2.5 GT/s | 6.4 GT/s |
| Multiplier | no data | 25 |
| L1 cache | 64 KB (per core) | no data |
| L2 cache | 256 KB (per core) | 1 MB |
| L3 cache | 4 MB (shared) | 8 MB |
| Chip lithography | 32 nm | 45 nm |
| Die size | 81 mm2 | 263 mm2 |
| Maximum core temperature | 73 °C | no data |
| Number of transistors | 382 million | 731 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Core i5-650 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 | FCLGA1156 | no data |
| Power consumption (TDP) | 73 Watt | 130 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-650 and Core i7-975 Extreme Edition. 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) | + | + |
| Turbo Boost Technology | 1.0 | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | + | no data |
| Demand Based Switching | - | no data |
| PAE | 36 Bit | no data |
| FDI | + | no data |
Security technologies
Core i5-650 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 Core i5-650 and Core i7-975 Extreme Edition are enumerated here.
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-650 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 | 16.38 GB | 24 GB |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 21 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® HD Graphics for Previous Generation Intel® Processors | no data |
| Clear Video HD | + | no data |
Graphics interfaces
Available interfaces and connections of Core i5-650 and Core i7-975 Extreme Edition integrated GPUs.
| Number of displays supported | 2 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i5-650 and Core i7-975 Extreme Edition.
| PCIe version | 2.0 | no data |
| PCI Express lanes | 16 | no data |
Pros & cons summary
| Recency | 7 January 2010 | 2 June 2009 |
| Physical cores | 2 | 4 |
| Threads | 4 | 8 |
| Chip lithography | 32 nm | 45 nm |
| Power consumption (TDP) | 73 Watt | 130 Watt |
i5-650 has an age advantage of 7 months, a 40.6% more advanced lithography process, and 78.1% lower power consumption.
i7-975 Extreme Edition, on the other hand, has 100% more physical cores and 100% more threads.
We couldn't decide between Core i5-650 and Core i7-975 Extreme Edition. We've got no test results to judge.
Should you still have questions on choice between Core i5-650 and Core i7-975 Extreme Edition, ask them in Comments section, and we shall answer.
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