Core i7-7740K vs Core 2 Quad Q9550
Primary details
Comparing Core 2 Quad (Desktop) Q9550 and Core i7-7740K processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2145 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Series | Core 2 Quad (Desktop) | no data |
| Power efficiency | 1.47 | no data |
| Architecture codename | Yorkfield (2007−2009) | Kaby Lake-X (2017) |
| Release date | no data (2024 years ago) | no data (2024 years ago) |
Detailed specifications
Core 2 Quad (Desktop) Q9550 and Core i7-7740K 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 | no data |
| Boost clock speed | 2.83 GHz | 4.3 GHz |
| Bus rate | 1333 MHz | no data |
| L1 cache | no data | 64 KB (per core) |
| L2 cache | 12288 KB | 256 KB (per core) |
| L3 cache | no data | 8192 KB (shared) |
| Chip lithography | 45 nm | 14 nm |
| Maximum case temperature (TCase) | no data | 72 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Core 2 Quad (Desktop) Q9550 and Core i7-7740K 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 | no data | 1 |
| Socket | LGA775 | 1151 |
| Power consumption (TDP) | 95 Watt | 112 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Quad (Desktop) Q9550 and Core i7-7740K. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | no data | + |
| TSX | - | + |
Security technologies
Core 2 Quad (Desktop) Q9550 and Core i7-7740K technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Quad (Desktop) Q9550 and Core i7-7740K are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Quad (Desktop) Q9550 and Core i7-7740K. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1,DDR2,DDR3 | DDR4 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | HD 630 |
Pros & cons summary
| Chip lithography | 45 nm | 14 nm |
| Power consumption (TDP) | 95 Watt | 112 Watt |
Core 2 Quad Q9550 has 17.9% lower power consumption.
i7-7740K, on the other hand, has a 221.4% more advanced lithography process.
We couldn't decide between Core 2 Quad Q9550 and Core i7-7740K. We've got no test results to judge.
Should you still have questions on choice between Core 2 Quad Q9550 and Core i7-7740K, 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.
