Core i3-2105 vs Core 2 Duo E8400
Aggregated performance score
Core i3-2105 outperforms Core 2 Duo E8400 by 60% based on our aggregated benchmark results.
General info
Comparing Core 2 Duo E8400 and Core i3-2105 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 2528 | 2220 |
| Place by popularity | not in top-100 | not in top-100 |
| Value for money | 1.86 | 0.11 |
| Market segment | Desktop processor | Desktop processor |
| Architecture codename | Wolfdale (2008−2010) | Sandy Bridge (2011−2013) |
| Release date | 1 January 2008 (16 years ago) | 22 May 2011 (12 years ago) |
| Launch price (MSRP) | no data | $145 |
| Current price | $67 | $60 (0.4x MSRP) |
Value for money
Performance per price, higher is better.
Core 2 Duo E8400 has 1591% better value for money than i3-2105.
Technical specs
Core 2 Duo E8400 and Core i3-2105 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 | 4 |
| Base clock speed | 3 GHz | 3.1 GHz |
| Boost clock speed | 3 GHz | 3.1 GHz |
| L1 cache | 64 KB (per core) | 64 KB (per core) |
| L2 cache | 6 MB (shared) | 256 KB (per core) |
| L3 cache | 0 KB | 3 MB (shared) |
| Chip lithography | 45 nm | 32 nm |
| Die size | 104 mm2 | no data |
| Maximum core temperature | 72 °C | 69 °C |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | 410 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
| VID voltage range | 0.85V-1.3625V | no data |
Compatibility
Information on Core 2 Duo E8400 and Core i3-2105 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 | LGA775 | FCLGA1155 |
| Power consumption (TDP) | 65 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo E8400 and Core i3-2105. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX |
| AES-NI | - | - |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | + |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | no data | + |
| Demand Based Switching | - | no data |
| FDI | no data | + |
| Fast Memory Access | no data | + |
| FSB parity | - | no data |
| Status | Discontinued | Discontinued |
Security technologies
Core 2 Duo E8400 and Core i3-2105 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| Identity Protection | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Duo E8400 and Core i3-2105 are enumerated here.
| VT-d | + | - |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E8400 and Core i3-2105. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR3 |
| Maximum memory size | no data | 32 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 21 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | Intel HD Graphics 3000 |
| Quick Sync Video | no data | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 1.1 GHz |
| InTru 3D | no data | + |
Graphics interfaces
Available interfaces and connections of Core 2 Duo E8400 and Core i3-2105 integrated GPUs.
| Number of displays supported | no data | 2 |
Peripherals
Specifications and connection of peripherals supported by Core 2 Duo E8400 and Core i3-2105.
| PCIe version | 2.0 | 2.0 |
| PCI Express lanes | no data | 16 |
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.
Core i3-2105 outperforms Core 2 Duo E8400 by 60% based on our aggregated benchmark results.
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.
Benchmark coverage: 68%
Core i3-2105 outperforms Core 2 Duo E8400 by 59% in Passmark.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
Benchmark coverage: 42%
Core i3-2105 outperforms Core 2 Duo E8400 by 32% in GeekBench 5 Single-Core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Benchmark coverage: 42%
Core i3-2105 outperforms Core 2 Duo E8400 by 56% in GeekBench 5 Multi-Core.
Advantages and disadvantages
| Performance score | 0.75 | 1.20 |
| Recency | 1 January 2008 | 22 May 2011 |
| Threads | 2 | 4 |
| Chip lithography | 45 nm | 32 nm |
The Core i3-2105 is our recommended choice as it beats the Core 2 Duo E8400 in performance tests.
Should you still have questions on choice between Core 2 Duo E8400 and Core i3-2105, 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.
