Core i7-5750HQ vs Core 2 Quad Q9400
Primary details
Comparing Core 2 Quad Q9400 and Core i7-5750HQ processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2243 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Series | no data | Intel Core i7 |
| Power efficiency | 1.33 | no data |
| Architecture codename | Yorkfield (2007−2009) | Broadwell-H (2015) |
| Release date | August 2008 (16 years ago) | 2 June 2015 (9 years ago) |
| Launch price (MSRP) | no data | $434 |
Detailed specifications
Core 2 Quad Q9400 and Core i7-5750HQ 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 | 2.66 GHz | 2.5 GHz |
| Boost clock speed | 2.67 GHz | 3.4 GHz |
| Bus type | no data | DMI 2.0 |
| Bus rate | 1333 MHz | 5 GT/s |
| Multiplier | no data | 25 |
| L1 cache | 64K (per core) | 64K (per core) |
| L2 cache | 6 MB (shared) | 256K (per core) |
| L3 cache | 0 KB | 6 MB (shared) |
| Chip lithography | 45 nm | 14 nm |
| Die size | 2x 81 mm2 | 182 mm2 |
| Maximum core temperature | no data | 105 °C |
| Maximum case temperature (TCase) | 71 °C | 105 °C |
| Number of transistors | 456 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.85V-1.3625V | no data |
Compatibility
Information on Core 2 Quad Q9400 and Core i7-5750HQ 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 | LGA775 | FCBGA1364 |
| Power consumption (TDP) | 95 Watt | 47 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Quad Q9400 and Core i7-5750HQ. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | 2.0 |
| Hyper-Threading Technology | - | + |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | no data | + |
| Smart Response | no data | + |
| Demand Based Switching | - | no data |
| FDI | no data | + |
| Fast Memory Access | no data | + |
| FSB parity | - | no data |
Security technologies
Core 2 Quad Q9400 and Core i7-5750HQ technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| Secure Key | no data | + |
| Identity Protection | - | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Quad Q9400 and Core i7-5750HQ are enumerated here.
| AMD-V | - | + |
| VT-d | + | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9400 and Core i7-5750HQ. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR3 |
| Maximum memory size | no data | 32 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 25.6 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel Iris Pro Graphics 6200 |
| Max video memory | no data | 32 GB |
| Quick Sync Video | - | + |
| Clear Video | no data | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 1.05 GHz |
| InTru 3D | no data | + |
Graphics interfaces
Available interfaces and connections of Core 2 Quad Q9400 and Core i7-5750HQ integrated GPUs.
| Number of displays supported | no data | 3 |
| eDP | no data | + |
| DisplayPort | - | + |
| HDMI | - | + |
| VGA | no data | + |
Graphics image quality
Maximum display resolutions supported by Core 2 Quad Q9400 and Core i7-5750HQ integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 2560x1600@60Hz |
| Max resolution over DisplayPort | no data | 4096x2304@60Hz |
Graphics API support
APIs supported by Core 2 Quad Q9400 and Core i7-5750HQ integrated GPUs, sometimes API versions are included.
| DirectX | no data | 11.2/12 |
| OpenGL | no data | 4.3 |
Peripherals
Specifications and connection of peripherals supported by Core 2 Quad Q9400 and Core i7-5750HQ.
| PCIe version | no data | 3.0 |
| PCI Express lanes | no data | 16 |
Pros & cons summary
| Threads | 4 | 8 |
| Chip lithography | 45 nm | 14 nm |
| Power consumption (TDP) | 95 Watt | 47 Watt |
i7-5750HQ has 100% more threads, a 221.4% more advanced lithography process, and 102.1% lower power consumption.
We couldn't decide between Core 2 Quad Q9400 and Core i7-5750HQ. We've got no test results to judge.
Should you still have questions on choice between Core 2 Quad Q9400 and Core i7-5750HQ, ask them in Comments section, and we shall answer.
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