Core 2 Duo SL9600 vs Core i7-975
Aggregate performance score
Core i7-975 outperforms Core 2 Duo SL9600 by a whopping 359% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2150 | 3231 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.13 | 0.01 |
| Market segment | Desktop processor | Laptop |
| Series | Core i7 (Desktop) | Intel Core 2 Duo |
| Power efficiency | 0.66 | 1.09 |
| Designer | Intel | Intel |
| Manufacturer | Intel | no data |
| Architecture codename | Bloomfield (2008−2010) | Penryn (2008−2011) |
| Release date | 2 June 2009 (16 years ago) | 1 March 2009 (17 years ago) |
| Launch price (MSRP) | $476 | $316 |
Cost-effectiveness evaluation
Performance per price, higher is better.
i7-975 has 1200% better value for money than Core 2 Duo SL9600.
Performance to price scatter graph
Detailed specifications
Core i7-975 and Core 2 Duo SL9600 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 | 8 | 2 |
| Base clock speed | 3.33 GHz | 2.13 GHz |
| Boost clock speed | 3.6 GHz | 2.13 GHz |
| Bus rate | 1333 MHz | 1066 MHz |
| L1 cache | 64 KB (per core) | 128 KB |
| L2 cache | 256 KB (per core) | 6 MB |
| L3 cache | 8 MB (shared) | 6 MB L2 Cache |
| Chip lithography | 45 nm | 45 nm |
| Die size | 263 mm2 | 107 mm2 |
| Maximum core temperature | no data | 105 °C |
| Maximum case temperature (TCase) | 68 °C | no data |
| Number of transistors | 731 million | 410 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
| VID voltage range | no data | 1.05V-1.15V |
Compatibility
Information on Core i7-975 and Core 2 Duo SL9600 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 | no data |
| Socket | FCLGA1366 | BGA956 |
| Power consumption (TDP) | 130 Watt | 17 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-975 and Core 2 Duo SL9600. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | 1.0 | - |
| Hyper-Threading Technology | + | - |
| Idle States | + | no data |
| Demand Based Switching | - | - |
| PAE | 36 Bit | no data |
| FSB parity | no data | - |
Security technologies
Core i7-975 and Core 2 Duo SL9600 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-975 and Core 2 Duo SL9600 are enumerated here.
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-975 and Core 2 Duo SL9600. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | no data |
| Maximum memory size | 24 GB | no data |
| Max memory channels | 3 | no data |
| Maximum memory bandwidth | 25.6 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | no data |
Peripherals
Specifications and connection of peripherals supported by Core i7-975 and Core 2 Duo SL9600.
| PCIe version | 2.0 | no data |
Synthetic benchmarks
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating.
Cinebench 10 32-bit single-core
Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.
Cinebench 10 32-bit multi-core
Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.
wPrime 32
wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.
Pros & cons summary
| Performance score | 2.02 | 0.44 |
| Recency | 2 June 2009 | 1 March 2009 |
| Physical cores | 4 | 2 |
| Threads | 8 | 2 |
| Power consumption (TDP) | 130 Watt | 17 Watt |
i7-975 has a 359% higher aggregate performance score, an age advantage of 3 months, and 100% more physical cores and 300% more threads.
Core 2 Duo SL9600, on the other hand, has 665% lower power consumption.
The Intel Core i7-975 is our recommended choice as it beats the Intel Core 2 Duo SL9600 in performance tests.
Note that Core i7-975 is a desktop processor while Core 2 Duo SL9600 is a notebook one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
