Core 2 Duo E6400 vs Apple M3 Pro 11-Core
Aggregate performance score
M3 Pro 11-Core outperforms Core 2 Duo E6400 by a whopping 3130% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 607 | 3233 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Apple M3 | no data |
| Power efficiency | 22.21 | 0.29 |
| Designer | Apple | Intel |
| Architecture codename | no data | Conroe (2006−2007) |
| Release date | 30 October 2023 (2 years ago) | July 2006 (19 years ago) |
Detailed specifications
M3 Pro 11-Core and Core 2 Duo E6400 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 | 11 (Undeca-Core) | 2 (Dual-core) |
| Threads | 11 | 2 |
| Base clock speed | 2.748 GHz | 2.13 GHz |
| Boost clock speed | 4.06 GHz | 2.13 GHz |
| Bus rate | no data | 1066 MHz |
| L1 cache | no data | 64 KB |
| L2 cache | no data | 2 MB |
| L3 cache | no data | 0 KB |
| Chip lithography | 3 nm | 65 nm |
| Die size | no data | 143 mm2 |
| Maximum core temperature | no data | 61 °C |
| Number of transistors | 37000 Million | 291 million |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | - |
| VID voltage range | no data | 0.85V-1.5V |
Compatibility
Information on M3 Pro 11-Core and Core 2 Duo E6400 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 | no data | LGA775,PLGA775 |
| Power consumption (TDP) | 27 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by M3 Pro 11-Core and Core 2 Duo E6400. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | - |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Demand Based Switching | no data | - |
| FSB parity | no data | - |
Security technologies
M3 Pro 11-Core and Core 2 Duo E6400 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | - |
| EDB | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by M3 Pro 11-Core and Core 2 Duo E6400 are enumerated here.
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by M3 Pro 11-Core and Core 2 Duo E6400. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR1, DDR2, DDR3 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Apple M3 Pro 14-Core GPU | no data |
Synthetic benchmarks
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.
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 14.21 | 0.44 |
| Physical cores | 11 | 2 |
| Threads | 11 | 2 |
| Chip lithography | 3 nm | 65 nm |
| Power consumption (TDP) | 27 Watt | 65 Watt |
Apple M3 Pro 11-Core has a 3130% higher aggregate performance score, 450% more physical cores and 450% more threads, a 2067% more advanced lithography process, and 141% lower power consumption.
The Apple M3 Pro 11-Core is our recommended choice as it beats the Intel Core 2 Duo E6400 in performance tests.
Be aware that Apple M3 Pro 11-Core is a notebook processor while Core 2 Duo E6400 is a desktop one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
