Core 2 Duo P8400 vs Core i9-14900HX
Aggregate performance score
i9-14900HX outperforms Core 2 Duo P8400 by a whopping 5400% based on our aggregate benchmark results.
Primary details
Comparing Core i9-14900HX and Core 2 Duo P8400 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 125 | 2728 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Raptor Lake-HX | Intel Core 2 Duo |
| Architecture codename | Raptor Lake-HX Refresh | Penryn (2008−2011) |
| Release date | 9 January 2024 (less than a year ago) | 15 July 2008 (15 years ago) |
| Launch price (MSRP) | no data | $209 |
| Current price | no data | $37 (0.2x MSRP) |
Detailed specifications
Core i9-14900HX and Core 2 Duo P8400 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 | 24 (Tetracosa-Core) | 2 (Dual-core) |
| Threads | 32 | 2 |
| Base clock speed | 1.6 GHz | 2.26 GHz |
| Boost clock speed | 5.7 GHz | 2.26 GHz |
| Bus support | no data | 1066 MHz |
| L1 cache | no data | 128 KB |
| L2 cache | 32 MB | 3 MB |
| L3 cache | 36 MB | 3 MB L2 Cache |
| Chip lithography | Intel 7 nm | 45 nm |
| Die size | 257 mm2 | 107 mm2 |
| Maximum core temperature | 100 °C | 105 °C |
| Number of transistors | no data | 410 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | - |
| Unlocked multiplier | No | No |
| VID voltage range | no data | 1.05V-1.15V |
Compatibility
Information on Core i9-14900HX and Core 2 Duo P8400 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 | FCBGA1964 | BGA479,PBGA479,PGA478 |
| Power consumption (TDP) | 55 Watt | 25 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i9-14900HX and Core 2 Duo P8400. 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 | + | no data |
| FMA | + | no data |
| AVX | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | + | no data |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | + | - |
| Idle States | no data | + |
| Thermal Monitoring | + | no data |
| Flex Memory Access | + | no data |
| Demand Based Switching | no data | - |
| Turbo Boost Max 3.0 | + | no data |
| FSB parity | no data | - |
| Status | Launched | Discontinued |
Security technologies
Core i9-14900HX and Core 2 Duo P8400 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Secure Key | + | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i9-14900HX and Core 2 Duo P8400 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 i9-14900HX and Core 2 Duo P8400. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4, DDR5 | no data |
| Maximum memory size | 192 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 89.6 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® UHD Graphics for 14th Gen Intel® Processors | no data |
| Quick Sync Video | + | no data |
| Graphics max frequency | 1.65 GHz | no data |
| Execution Units | 32 | no data |
Graphics interfaces
Available interfaces and connections of Core i9-14900HX and Core 2 Duo P8400 integrated GPUs.
| Number of displays supported | 4 | no data |
Graphics image quality
Maximum display resolutions supported by Core i9-14900HX and Core 2 Duo P8400 integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | 4096 x 2160 @ 60Hz | no data |
| Max resolution over eDP | 5120 x 3200 @ 120Hz | no data |
| Max resolution over DisplayPort | 7680 x 4320 @ 60Hz | no data |
Graphics API support
APIs supported by Core i9-14900HX and Core 2 Duo P8400 integrated GPUs, sometimes API versions are included.
| DirectX | 12.1 | no data |
| OpenGL | 4.6 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i9-14900HX and Core 2 Duo P8400.
| PCIe version | 5.0 and 4.0 | no data |
| PCI Express lanes | 20 | 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.
Core i9-14900HX outperforms Core 2 Duo P8400 by 5400% based on our aggregate 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 i9-14900HX outperforms Core 2 Duo P8400 by 5405% 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 i9-14900HX outperforms Core 2 Duo P8400 by 914% 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 i9-14900HX outperforms Core 2 Duo P8400 by 3476% in GeekBench 5 Multi-Core.
3DMark06 CPU
3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.
Benchmark coverage: 19%
Core i9-14900HX outperforms Core 2 Duo P8400 by 855% in 3DMark06 CPU.
Pros & cons summary
| Performance score | 30.25 | 0.55 |
| Recency | 9 January 2024 | 15 July 2008 |
| Physical cores | 24 | 2 |
| Threads | 32 | 2 |
| Power consumption (TDP) | 55 Watt | 25 Watt |
The Core i9-14900HX is our recommended choice as it beats the Core 2 Duo P8400 in performance tests.
Should you still have questions on choice between Core i9-14900HX and Core 2 Duo P8400, 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.
