Core i5-10400 vs Core 2 Duo T6400
Primary details
Comparing Core 2 Duo T6400 and Core i5-10400 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | not rated | 886 |
| Place by popularity | not in top-100 | 50 |
| Cost-effectiveness evaluation | no data | 35.27 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Core 2 Duo | no data |
| Architecture codename | Penryn (2008−2011) | Comet Lake (2020) |
| Release date | 1 January 2009 (15 years ago) | 30 April 2020 (4 years ago) |
| Current price | $33 | $118 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core 2 Duo T6400 and Core i5-10400 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) | 6 (Hexa-Core) |
| Threads | 2 | 12 |
| Base clock speed | 2 GHz | 2.9 GHz |
| Boost clock speed | 2 GHz | 4.3 GHz |
| Bus support | 800 MHz | no data |
| L1 cache | no data | 64K (per core) |
| L2 cache | 2 MB | 256K (per core) |
| L3 cache | 2 MB L2 Cache | 12 MB (shared) |
| Chip lithography | 45 nm | 14 nm |
| Maximum core temperature | 105 °C | 100 °C |
| Maximum case temperature (TCase) | no data | 72 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | No | No |
| VID voltage range | 1V-1.25V | no data |
Compatibility
Information on Core 2 Duo T6400 and Core i5-10400 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 | PGA478 | FCLGA1200 |
| Power consumption (TDP) | 35 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo T6400 and Core i5-10400. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | no data | + |
| AVX | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | 2.0 |
| Hyper-Threading Technology | - | + |
| TSX | no data | - |
| Idle States | no data | + |
| Thermal Monitoring | no data | + |
| SIPP | no data | - |
| Demand Based Switching | - | no data |
| Turbo Boost Max 3.0 | no data | - |
| Status | Discontinued | Launched |
Security technologies
Core 2 Duo T6400 and Core i5-10400 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | + |
| Secure Key | no data | + |
| Identity Protection | no data | + |
| SGX | no data | Yes with Intel® ME |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Duo T6400 and Core i5-10400 are enumerated here.
| VT-d | no data | + |
| VT-x | - | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Duo T6400 and Core i5-10400. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4-2666 |
| Maximum memory size | no data | 128 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 41.6 GB/s |
| ECC memory support | no data | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel UHD Graphics 630 |
| Max video memory | no data | 64 GB |
| Quick Sync Video | no data | + |
| Clear 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 T6400 and Core i5-10400 integrated GPUs.
| Number of displays supported | no data | 3 |
Graphics image quality
Maximum display resolutions supported by Core 2 Duo T6400 and Core i5-10400 integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | no data | + |
| Max resolution over HDMI 1.4 | no data | 4096 x 2160@30Hz |
| Max resolution over eDP | no data | 4096 x 2304@60Hz |
| Max resolution over DisplayPort | no data | 4096 x 2304@60Hz |
Graphics API support
APIs supported by Core 2 Duo T6400 and Core i5-10400 integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12 |
| OpenGL | no data | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Core 2 Duo T6400 and Core i5-10400.
| PCIe version | no data | 3.0 |
| 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.
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 i5-10400 outperforms Core 2 Duo T6400 by 1571% 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 i5-10400 outperforms Core 2 Duo T6400 by 525% 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 i5-10400 outperforms Core 2 Duo T6400 by 1458% in GeekBench 5 Multi-Core.
Pros & cons summary
| Recency | 1 January 2009 | 30 April 2020 |
| Physical cores | 2 | 6 |
| Threads | 2 | 12 |
| Chip lithography | 45 nm | 14 nm |
| Power consumption (TDP) | 35 Watt | 65 Watt |
We couldn't decide between Core 2 Duo T6400 and Core i5-10400. We've got no test results to judge.
Be aware that Core 2 Duo T6400 is a notebook processor while Core i5-10400 is a desktop one.
Should you still have questions on choice between Core 2 Duo T6400 and Core i5-10400, ask them in Comments section, and we shall answer.
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