Core 2 Quad Q8400s vs Core i5-9500T
Primary details
Comparing Core i5-9500T and Core 2 Quad Q8400s processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1189 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 5.16 | no data |
| Market segment | Desktop processor | Desktop processor |
| Series | Intel Core i5 | no data |
| Power efficiency | 14.01 | no data |
| Architecture codename | Coffee Lake (2017−2019) | Yorkfield (2007−2009) |
| Release date | 1 April 2018 (6 years ago) | 19 April 2009 (15 years ago) |
| Launch price (MSRP) | $192 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i5-9500T and Core 2 Quad Q8400s 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 | 6 (Hexa-Core) | 4 (Quad-Core) |
| Threads | 6 | 4 |
| Base clock speed | 2.2 GHz | 2.66 GHz |
| Boost clock speed | 3.7 GHz | 0.67 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 4 × 8 GT/s | 1333 MHz |
| Multiplier | 22 | no data |
| L1 cache | 64 KB (per core) | 64 KB (per core) |
| L2 cache | 256 KB (per core) | 4 MB (shared) |
| L3 cache | 9 MB (shared) | 0 KB |
| Chip lithography | 14 nm | 45 nm |
| Die size | 149 mm2 | 2x 82 mm2 |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | no data | 76 °C |
| Number of transistors | no data | 456 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
| VID voltage range | no data | 0.85V-1.3625V |
Compatibility
Information on Core i5-9500T and Core 2 Quad Q8400s 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 (Uniprocessor) | 1 |
| Socket | FCLGA1151 | FCLGA775,LGA775 |
| Power consumption (TDP) | 35 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-9500T and Core 2 Quad Q8400s. 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 | + | - |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | 2.0 | - |
| Hyper-Threading Technology | - | - |
| TSX | + | - |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| SIPP | + | - |
| Demand Based Switching | no data | - |
Security technologies
Core i5-9500T and Core 2 Quad Q8400s technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | - |
| EDB | + | + |
| Secure Key | + | no data |
| MPX | + | - |
| Identity Protection | + | - |
| SGX | Yes with Intel® ME | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-9500T and Core 2 Quad Q8400s 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 i5-9500T and Core 2 Quad Q8400s. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2666 | DDR1, DDR2, DDR3 |
| Maximum memory size | 128 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 42.671 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel UHD Graphics 630 | On certain motherboards (Chipset feature) |
| Max video memory | 64 GB | no data |
| Quick Sync Video | + | - |
| Clear Video | + | no data |
| Clear Video HD | + | no data |
| Graphics max frequency | 1.1 GHz | no data |
| InTru 3D | + | no data |
Graphics interfaces
Available interfaces and connections of Core i5-9500T and Core 2 Quad Q8400s integrated GPUs.
| Number of displays supported | 3 | no data |
Graphics image quality
Maximum display resolutions supported by Core i5-9500T and Core 2 Quad Q8400s integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | + | no data |
| Max resolution over HDMI 1.4 | 4096 x 2304@24Hz | no data |
| Max resolution over eDP | 4096 x 2304@60Hz | no data |
| Max resolution over DisplayPort | 4096 x 2304@60Hz | no data |
Graphics API support
APIs supported by Core i5-9500T and Core 2 Quad Q8400s integrated GPUs, sometimes API versions are included.
| DirectX | 12 | no data |
| OpenGL | 4.5 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i5-9500T and Core 2 Quad Q8400s.
| PCIe version | 3.0 | 2.0 |
| PCI Express lanes | 16 | no data |
Pros & cons summary
| Recency | 1 April 2018 | 19 April 2009 |
| Physical cores | 6 | 4 |
| Threads | 6 | 4 |
| Chip lithography | 14 nm | 45 nm |
| Power consumption (TDP) | 35 Watt | 65 Watt |
i5-9500T has an age advantage of 8 years, 50% more physical cores and 50% more threads, a 221.4% more advanced lithography process, and 85.7% lower power consumption.
We couldn't decide between Core i5-9500T and Core 2 Quad Q8400s. We've got no test results to judge.
Should you still have questions on choice between Core i5-9500T and Core 2 Quad Q8400s, 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.
