Celeron N4000 vs Core 2 Duo P8400
Aggregated performance score
Celeron N4000 outperforms Core 2 Duo P8400 by 76% based on our aggregated benchmark results.
General info
Comparing Core 2 Duo P8400 and Celeron N4000 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 2696 | 2366 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Core 2 Duo | Intel Celeron |
| Architecture codename | Penryn (2008−2011) | Gemini Lake (2019) |
| Release date | 15 July 2008 (15 years ago) | 11 December 2017 (6 years ago) |
| Launch price (MSRP) | $209 | $107 |
| Current price | $37 (0.2x MSRP) | $305 (2.9x MSRP) |
Technical specs
Core 2 Duo P8400 and Celeron N4000 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 | 2 |
| Base clock speed | 2.26 GHz | 1.1 GHz |
| Boost clock speed | 2.26 GHz | 2.6 GHz |
| Bus support | 1066 MHz | no data |
| L1 cache | 128 KB | 112 KB |
| L2 cache | 3 MB | 4 MB |
| L3 cache | 3 MB L2 Cache | 4 MB |
| Chip lithography | 45 nm | 14 nm |
| Die size | 107 mm2 | no data |
| Maximum core temperature | 105 °C | 105 deg C |
| Number of transistors | 410 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | No | No |
| VID voltage range | 1.05V-1.15V | no data |
Compatibility
Information on Core 2 Duo P8400 and Celeron N4000 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 | BGA479,PBGA479,PGA478 | FCBGA1090 |
| Power consumption (TDP) | 25 Watt | 6 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo P8400 and Celeron N4000. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.2 |
| AES-NI | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | - |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | - |
| Idle States | + | + |
| Thermal Monitoring | no data | + |
| Smart Response | no data | - |
| Demand Based Switching | - | no data |
| GPIO | no data | + |
| Turbo Boost Max 3.0 | no data | - |
| FSB parity | - | no data |
| Status | Discontinued | Discontinued |
Security technologies
Core 2 Duo P8400 and Celeron N4000 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | + |
| Secure Key | no data | + |
| MPX | no data | + |
| Identity Protection | no data | + |
| SGX | no data | Yes with Intel® ME |
| OS Guard | no data | + |
| Anti-Theft | no data | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Duo P8400 and Celeron N4000 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 P8400 and Celeron N4000. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4, DDR4 |
| Maximum memory size | no data | 8 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 38.397 GB/s |
| ECC memory support | no data | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel UHD Graphics 600 |
| Max video memory | no data | 8 GB |
| Quick Sync Video | no data | + |
| Graphics max frequency | no data | 650 MHz |
| Execution Units | no data | 12 |
Graphics interfaces
Available interfaces and connections of Core 2 Duo P8400 and Celeron N4000 integrated GPUs.
| Number of displays supported | no data | 3 |
| eDP | no data | + |
| DisplayPort | no data | + |
| HDMI | no data | + |
| MIPI-DSI | no data | + |
Graphics image quality
Maximum display resolutions supported by Core 2 Duo P8400 and Celeron N4000 integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | no data | + |
Graphics API support
APIs supported by Core 2 Duo P8400 and Celeron N4000 integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12 |
| OpenGL | no data | 4.4 |
Peripherals
Specifications and connection of peripherals supported by Core 2 Duo P8400 and Celeron N4000.
| PCIe version | no data | 2.0 |
| PCI Express lanes | no data | 6 |
| USB revision | no data | 2.0/3.0 |
| Total number of SATA ports | no data | 2 |
| Max number of SATA 6 Gb/s Ports | no data | 2 |
| Number of USB ports | no data | 8 |
| Integrated LAN | no data | - |
| UART | 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.
Celeron N4000 outperforms Core 2 Duo P8400 by 76% 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%
Celeron N4000 outperforms Core 2 Duo P8400 by 75% 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%
Celeron N4000 outperforms Core 2 Duo P8400 by 18% 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%
Celeron N4000 outperforms Core 2 Duo P8400 by 18% in GeekBench 5 Multi-Core.
Cinebench 10 32-bit single-core
Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.
Benchmark coverage: 20%
Core 2 Duo P8400 outperforms Celeron N4000 by 16% in Cinebench 10 32-bit single-core.
Cinebench 10 32-bit multi-core
Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.
Benchmark coverage: 19%
Core 2 Duo P8400 outperforms Celeron N4000 by 15% in Cinebench 10 32-bit 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%
Celeron N4000 outperforms Core 2 Duo P8400 by 11% in 3DMark06 CPU.
wPrime 32
wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.
Benchmark coverage: 18%
Core 2 Duo P8400 outperforms Celeron N4000 by 7% in wPrime 32.
Advantages and disadvantages
| Performance score | 0.54 | 0.95 |
| Recency | 15 July 2008 | 11 December 2017 |
| Cost | $209 | $107 |
| Chip lithography | 45 nm | 14 nm |
| Power consumption (TDP) | 25 Watt | 6 Watt |
The Celeron N4000 is our recommended choice as it beats the Core 2 Duo P8400 in performance tests.
Should you still have questions on choice between Core 2 Duo P8400 and Celeron N4000, ask them in Comments section, and we shall answer.
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