Core 2 Quad Q9400 vs Pentium G2140
Aggregate performance score
Core 2 Quad Q9400 outperforms Pentium G2140 by a minimal 2% based on our aggregate benchmark results.
Primary details
Comparing Pentium G2140 and Core 2 Quad Q9400 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2254 | 2241 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 2.27 | 1.33 |
| Architecture codename | no data | Yorkfield (2007−2009) |
| Release date | 1 April 2013 (11 years ago) | August 2008 (16 years ago) |
Detailed specifications
Pentium G2140 and Core 2 Quad Q9400 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 | 2 | 4 |
| Base clock speed | 3.3 GHz | 2.66 GHz |
| Boost clock speed | no data | 2.67 GHz |
| Bus rate | 5 GT/s | 1333 MHz |
| L1 cache | no data | 64K (per core) |
| L2 cache | no data | 6 MB (shared) |
| L3 cache | 3 MB Intel® Smart Cache | 0 KB |
| Chip lithography | 22 nm | 45 nm |
| Die size | no data | 2x 81 mm2 |
| Maximum case temperature (TCase) | no data | 71 °C |
| Number of transistors | no data | 456 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | no data | 0.85V-1.3625V |
Compatibility
Information on Pentium G2140 and Core 2 Quad Q9400 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 |
| Socket | FCLGA1155 | LGA775 |
| Power consumption (TDP) | 55 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium G2140 and Core 2 Quad Q9400. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2 | no data |
| Enhanced SpeedStep (EIST) | + | + |
| My WiFi | - | no data |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | - |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Demand Based Switching | no data | - |
| FSB parity | no data | - |
Security technologies
Pentium G2140 and Core 2 Quad Q9400 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | + |
| Secure Key | - | no data |
| Anti-Theft | - | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium G2140 and Core 2 Quad Q9400 are enumerated here.
| VT-d | - | + |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium G2140 and Core 2 Quad Q9400. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-1333, DDR3-1600 | DDR1, DDR2, DDR3 |
| Maximum memory size | 32 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 25.6 GB/s | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® HD Graphics for 3rd Generation Intel® Processors | no data |
| Graphics max frequency | 1.05 GHz | no data |
Graphics interfaces
Available interfaces and connections of Pentium G2140 and Core 2 Quad Q9400 integrated GPUs.
| Number of displays supported | 3 | no data |
Peripherals
Specifications and connection of peripherals supported by Pentium G2140 and Core 2 Quad Q9400.
| PCIe version | 2.0 | no data |
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 | 1.32 | 1.34 |
| Physical cores | 2 | 4 |
| Threads | 2 | 4 |
| Chip lithography | 22 nm | 45 nm |
| Power consumption (TDP) | 55 Watt | 95 Watt |
Pentium G2140 has a 104.5% more advanced lithography process, and 72.7% lower power consumption.
Core 2 Quad Q9400, on the other hand, has a 1.5% higher aggregate performance score, and 100% more physical cores and 100% more threads.
Given the minimal performance differences, no clear winner can be declared between Pentium G2140 and Core 2 Quad Q9400.
Should you still have questions on choice between Pentium G2140 and Core 2 Quad Q9400, 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.
