Pentium G640 vs Core 2 Quad Q9100
Aggregate performance score
Core 2 Quad Q9100 outperforms Pentium G640 by a considerable 42% based on our aggregate benchmark results.
Primary details
Comparing Core 2 Quad Q9100 and Pentium G640 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2344 | 2577 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 0.05 |
| Market segment | Laptop | Desktop processor |
| Series | Core 2 Quad | no data |
| Power efficiency | 2.54 | 1.24 |
| Architecture codename | Penryn (2008−2011) | Sandy Bridge (2011−2013) |
| Release date | August 2008 (16 years ago) | 3 June 2012 (12 years ago) |
| Launch price (MSRP) | no data | $179 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core 2 Quad Q9100 and Pentium G640 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 | 4 | 2 |
| Base clock speed | 2.26 GHz | 2.8 GHz |
| Boost clock speed | 2.26 GHz | 2.8 GHz |
| Bus rate | 1066 MHz | 5 GT/s |
| L1 cache | 64 KB | 64 KB (per core) |
| L2 cache | 6 MB (per die) | 256 KB (per core) |
| L3 cache | 0 KB | 3 MB (shared) |
| Chip lithography | 45 nm | 32 nm |
| Die size | 2x 107 mm2 | 131 mm2 |
| Maximum core temperature | 100 °C | 69 °C |
| Number of transistors | no data | 504 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 1.05V-1.175V | no data |
Compatibility
Information on Core 2 Quad Q9100 and Pentium G640 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 | 2 | 1 |
| Socket | PGA478 | FCLGA1155 |
| Power consumption (TDP) | 45 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Quad Q9100 and Pentium G640. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2 |
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | - |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
| Demand Based Switching | - | no data |
| FDI | no data | + |
| Fast Memory Access | no data | + |
| AMT | + | no data |
| FSB parity | - | no data |
Security technologies
Core 2 Quad Q9100 and Pentium G640 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | - |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Quad Q9100 and Pentium G640 are enumerated here.
| VT-d | no data | - |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9100 and Pentium G640. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3 |
| Maximum memory size | no data | 32 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 17 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel HD Graphics for 2nd Generation Intel Processors |
| Graphics max frequency | no data | 1.1 GHz |
Graphics interfaces
Available interfaces and connections of Core 2 Quad Q9100 and Pentium G640 integrated GPUs.
| Number of displays supported | no data | 2 |
Peripherals
Specifications and connection of peripherals supported by Core 2 Quad Q9100 and Pentium G640.
| PCIe version | no data | 2.0 |
Synthetic benchmark performance
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. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Pros & cons summary
| Performance score | 1.21 | 0.85 |
| Physical cores | 4 | 2 |
| Threads | 4 | 2 |
| Chip lithography | 45 nm | 32 nm |
| Power consumption (TDP) | 45 Watt | 65 Watt |
Core 2 Quad Q9100 has a 42.4% higher aggregate performance score, 100% more physical cores and 100% more threads, and 44.4% lower power consumption.
Pentium G640, on the other hand, has a 40.6% more advanced lithography process.
The Core 2 Quad Q9100 is our recommended choice as it beats the Pentium G640 in performance tests.
Be aware that Core 2 Quad Q9100 is a notebook processor while Pentium G640 is a desktop one.
Should you still have questions on choice between Core 2 Quad Q9100 and Pentium G640, ask them in Comments section, and we shall answer.
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