Core 2 Duo E6400 vs Pentium G6951
Aggregate performance score
Pentium G6951 outperforms Core 2 Duo E6400 by an impressive 77% 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 | 2844 | 3189 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.12 | no data |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 0.45 | 0.29 |
| Designer | Intel | Intel |
| Manufacturer | Intel | no data |
| Architecture codename | Clarkdale (2010−2011) | Conroe (2006−2007) |
| Release date | 1 September 2010 (15 years ago) | July 2006 (19 years ago) |
| Launch price (MSRP) | $94 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Pentium G6951 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 | 2 (Dual-core) | 2 (Dual-core) |
| Threads | 2 | 2 |
| Base clock speed | 2.8 GHz | 2.13 GHz |
| Boost clock speed | 2.8 GHz | 2.13 GHz |
| Bus rate | no data | 1066 MHz |
| L1 cache | 64 KB (per core) | 64 KB |
| L2 cache | 256 KB (per core) | 2 MB |
| L3 cache | 3 MB (shared) | 0 KB |
| Chip lithography | 32 nm | 65 nm |
| Die size | 81 mm2 | 143 mm2 |
| Maximum core temperature | 73 °C | 61 °C |
| Number of transistors | 382 million | 291 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | no data | 0.85V-1.5V |
Compatibility
Information on Pentium G6951 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 | 1 | 1 |
| Socket | FCLGA1156 | LGA775,PLGA775 |
| Power consumption (TDP) | 73 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium G6951 and Core 2 Duo E6400. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | - |
| Idle States | + | + |
| Thermal Monitoring | - | + |
| Demand Based Switching | - | - |
| PAE | 36 Bit | no data |
| FDI | + | no data |
| FSB parity | no data | - |
Security technologies
Pentium G6951 and Core 2 Duo E6400 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | - |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium G6951 and Core 2 Duo E6400 are enumerated here.
| VT-d | - | no data |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium G6951 and Core 2 Duo E6400. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR1, DDR2, DDR3 |
| Maximum memory size | 16.38 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 17 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD | no data |
Graphics interfaces
Available interfaces and connections of Pentium G6951 and Core 2 Duo E6400 integrated GPUs.
| Number of displays supported | 2 | no data |
Peripherals
Specifications and connection of peripherals supported by Pentium G6951 and Core 2 Duo E6400.
| PCIe version | 2.0 | no data |
| PCI Express lanes | 16 | 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 | 0.78 | 0.44 |
| Chip lithography | 32 nm | 65 nm |
| Power consumption (TDP) | 73 Watt | 65 Watt |
Pentium G6951 has a 77.3% higher aggregate performance score, and a 103.1% more advanced lithography process.
Core 2 Duo E6400, on the other hand, has 12.3% lower power consumption.
The Intel Pentium G6951 is our recommended choice as it beats the Intel Core 2 Duo E6400 in performance tests.
Other comparisons
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