Core 2 Duo T8300 vs Core i7-4578U
Aggregate performance score
Core i7-4578U outperforms Core 2 Duo T8300 by a whopping 111% based on our aggregate benchmark results.
Primary details
Comparing Core i7-4578U and Core 2 Duo T8300 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1938 | 2512 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Core i7 | Intel Core 2 Duo |
| Power efficiency | 6.62 | 2.51 |
| Architecture codename | Haswell (2013−2015) | Penryn (2008−2011) |
| Release date | 21 July 2014 (10 years ago) | 10 January 2008 (16 years ago) |
| Launch price (MSRP) | $426 | $241 |
Detailed specifications
Core i7-4578U and Core 2 Duo T8300 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 | 4 | 2 |
| Base clock speed | 3 GHz | 2.4 GHz |
| Boost clock speed | 3.5 GHz | 2.4 GHz |
| Bus rate | 5 GT/s | 800 MHz |
| L1 cache | 128 KB | no data |
| L2 cache | 512 KB | 3 MB |
| L3 cache | 4 MB | 3 MB L2 Cache |
| Chip lithography | 22 nm | 45 nm |
| Die size | 181 mm2 | 107 mm2 |
| Maximum core temperature | 100 °C | 105 °C |
| Number of transistors | 1300 Million | 410 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | no data | 1V-1.25V |
Compatibility
Information on Core i7-4578U and Core 2 Duo T8300 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 | no data |
| Socket | FCBGA1168 | BGA479,PGA478 |
| Power consumption (TDP) | 28 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-4578U and Core 2 Duo T8300. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | no data |
| AES-NI | + | - |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | 2.0 | - |
| Hyper-Threading Technology | + | - |
| Idle States | + | + |
| Thermal Monitoring | + | - |
| Demand Based Switching | no data | - |
| FDI | + | no data |
| FSB parity | no data | - |
Security technologies
Core i7-4578U and Core 2 Duo T8300 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | - |
| EDB | + | + |
| Secure Key | + | no data |
| Identity Protection | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-4578U and Core 2 Duo T8300 are enumerated here.
| AMD-V | + | - |
| VT-d | + | no data |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-4578U and Core 2 Duo T8300. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | no data |
| Maximum memory size | 16 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 25.6 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel Iris Graphics 5100 | no data |
| Max video memory | 2 GB | no data |
| Quick Sync Video | + | - |
| Clear Video HD | + | no data |
| Graphics max frequency | 1.2 GHz | no data |
| InTru 3D | + | no data |
Graphics interfaces
Available interfaces and connections of Core i7-4578U and Core 2 Duo T8300 integrated GPUs.
| Number of displays supported | 3 | no data |
| eDP | + | no data |
| DisplayPort | + | - |
| HDMI | + | - |
| VGA | + | no data |
Graphics image quality
Maximum display resolutions supported by Core i7-4578U and Core 2 Duo T8300 integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | 3200x2000@60Hz | no data |
| Max resolution over DisplayPort | 3200x2000@60Hz | no data |
| Max resolution over VGA | N/A | no data |
Graphics API support
APIs supported by Core i7-4578U and Core 2 Duo T8300 integrated GPUs, sometimes API versions are included.
| DirectX | 11.2/12 | no data |
| OpenGL | 4.3 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i7-4578U and Core 2 Duo T8300.
| PCIe version | 2 | no data |
| PCI Express lanes | 12 | no data |
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.
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.
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.
Pros & cons summary
| Performance score | 1.96 | 0.93 |
| Recency | 21 July 2014 | 10 January 2008 |
| Threads | 4 | 2 |
| Chip lithography | 22 nm | 45 nm |
| Power consumption (TDP) | 28 Watt | 35 Watt |
i7-4578U has a 110.8% higher aggregate performance score, an age advantage of 6 years, 100% more threads, a 104.5% more advanced lithography process, and 25% lower power consumption.
The Core i7-4578U is our recommended choice as it beats the Core 2 Duo T8300 in performance tests.
Should you still have questions on choice between Core i7-4578U and Core 2 Duo T8300, ask them in Comments section, and we shall answer.
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