Celeron N4020C vs Core 2 Quad Q9400
Aggregate performance score
Core 2 Quad Q9400 outperforms Celeron N4020C by a substantial 39% based on our aggregate benchmark results.
Primary details
Comparing Core 2 Quad Q9400 and Celeron N4020C processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 2189 | 2428 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Architecture codename | Yorkfield (2007−2009) | no data |
| Release date | August 2008 (16 years ago) | 1 January 2021 (3 years ago) |
Detailed specifications
Core 2 Quad Q9400 and Celeron N4020C 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 |
| Boost clock speed | 2.67 GHz | no data |
| L1 cache | 64K (per core) | no data |
| L2 cache | 6 MB (shared) | no data |
| L3 cache | 0 KB | no data |
| Chip lithography | 45 nm | no data |
| Die size | 2x 81 mm2 | no data |
| Maximum case temperature (TCase) | 71 °C | no data |
| Number of transistors | 456 million | no data |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Core 2 Quad Q9400 and Celeron N4020C 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 | 775 | no data |
| Power consumption (TDP) | 95 Watt | 6 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Quad Q9400 and Celeron N4020C. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9400 and Celeron N4020C. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | no data |
| ECC memory support | no data | - |
Peripherals
Specifications and connection of peripherals supported by Core 2 Quad Q9400 and Celeron N4020C.
| PCI Express lanes | no data | 6 |
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 | 1.38 | 0.99 |
| Physical cores | 4 | 2 |
| Threads | 4 | 2 |
| Power consumption (TDP) | 95 Watt | 6 Watt |
Core 2 Quad Q9400 has a 39.4% higher aggregate performance score, and 100% more physical cores and 100% more threads.
Celeron N4020C, on the other hand, has 1483.3% lower power consumption.
The Core 2 Quad Q9400 is our recommended choice as it beats the Celeron N4020C in performance tests.
Note that Core 2 Quad Q9400 is a desktop processor while Celeron N4020C is a notebook one.
Should you still have questions on choice between Core 2 Quad Q9400 and Celeron N4020C, ask them in Comments section, and we shall answer.
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