i7-940XM Extreme Edition vs Celeron 4205U
Primary details
Comparing Celeron 4205U and Core i7-940XM Extreme Edition processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2528 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Celeron | Intel Core i7EE |
| Power efficiency | 5.46 | no data |
| Architecture codename | Whiskey Lake-U (2018−2019) | Nehalem (2008−2010) |
| Release date | 23 January 2019 (5 years ago) | 5 February 2010 (14 years ago) |
| Launch price (MSRP) | $107 | $1,096 |
Detailed specifications
Celeron 4205U and Core i7-940XM Extreme Edition 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) | 4 (Quad-Core) |
| Threads | 2 | 8 |
| Base clock speed | 1.8 GHz | no data |
| Boost clock speed | 1.8 GHz | 2.13 GHz |
| Bus type | OPI | DMI |
| Bus rate | 4 GT/s | 2.5 GT/s |
| Multiplier | 18 | 16 |
| L1 cache | 128 KB | 256 KB |
| L2 cache | 512 KB | 1 MB |
| L3 cache | 2 MB (shared) | 8 MB |
| Chip lithography | 14 nm | 45 nm |
| Die size | no data | 296 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | no data | 774 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
Compatibility
Information on Celeron 4205U and Core i7-940XM Extreme Edition 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 (Uniprocessor) |
| Socket | FCBGA1528 | no data |
| Power consumption (TDP) | 15 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron 4205U and Core i7-940XM Extreme Edition. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2 | no data |
| AES-NI | + | - |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | + | no data |
| My WiFi | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| Smart Response | + | no data |
| Status | Discontinued | no data |
Security technologies
Celeron 4205U and Core i7-940XM Extreme Edition technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | no data |
| Secure Key | + | no data |
| Identity Protection | + | - |
| SGX | Yes with Intel® ME | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron 4205U and Core i7-940XM Extreme Edition are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron 4205U and Core i7-940XM Extreme Edition. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3, DDR4 | DDR3-1333 |
| Maximum memory size | 64 GB | 8 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 38.397 GB/s | 21.335 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® UHD Graphics for 8th Generation Intel® Processors | no data |
| Max video memory | 32 GB | no data |
| Quick Sync Video | + | - |
| Clear Video | + | no data |
| Clear Video HD | + | no data |
| Graphics max frequency | 900 MHz | no data |
Graphics interfaces
Available interfaces and connections of Celeron 4205U and Core i7-940XM Extreme Edition integrated GPUs.
| Number of displays supported | 3 | no data |
| eDP | + | no data |
| DisplayPort | + | - |
| HDMI | + | - |
| DVI | + | no data |
Graphics image quality
Maximum display resolutions supported by Celeron 4205U and Core i7-940XM Extreme Edition integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | + | no data |
| Max resolution over HDMI 1.4 | 4096x2304@24Hz | no data |
| Max resolution over eDP | 4096x2304@60Hz | no data |
| Max resolution over DisplayPort | 4096x2304@60Hz | no data |
Graphics API support
APIs supported by Celeron 4205U and Core i7-940XM Extreme Edition integrated GPUs, sometimes API versions are included.
| DirectX | 12 | no data |
| OpenGL | 4.5 | no data |
Peripherals
Specifications and connection of peripherals supported by Celeron 4205U and Core i7-940XM Extreme Edition.
| PCIe version | 2.0 | 2.0 |
| PCI Express lanes | 12 | 16 |
Pros & cons summary
| Recency | 23 January 2019 | 5 February 2010 |
| Physical cores | 2 | 4 |
| Threads | 2 | 8 |
| Chip lithography | 14 nm | 45 nm |
| Power consumption (TDP) | 15 Watt | 55 Watt |
Celeron 4205U has an age advantage of 8 years, a 221.4% more advanced lithography process, and 266.7% lower power consumption.
i7-940XM Extreme Edition, on the other hand, has 100% more physical cores and 300% more threads.
We couldn't decide between Celeron 4205U and Core i7-940XM Extreme Edition. We've got no test results to judge.
Should you still have questions on choice between Celeron 4205U and Core i7-940XM Extreme Edition, ask them in Comments section, and we shall answer.
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