Celeron U3400 vs i7-620LM
Primary details
Comparing Core i7-620LM and Celeron U3400 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2543 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Core i7 | Intel Celeron |
| Power efficiency | 3.37 | no data |
| Architecture codename | Arrandale (2010−2011) | Westmere (2010−2011) |
| Release date | 7 January 2010 (14 years ago) | 24 May 2010 (14 years ago) |
| Launch price (MSRP) | $300 | no data |
Detailed specifications
Core i7-620LM and Celeron U3400 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 | 2 GHz | 1.06 GHz |
| Boost clock speed | 2.8 GHz | 0.07 GHz |
| Bus type | DMI 1.0 | DMI 1.0 |
| Bus rate | 1 × 2.5 GT/s | 1 × 2.5 GT/s |
| Multiplier | 15 | 8 |
| L1 cache | 64 KB (per core) | 128 KB |
| L2 cache | 256 KB (per core) | 512 KB |
| L3 cache | 4 MB (shared) | 2 MB |
| Chip lithography | 32 nm | 32 nm |
| Die size | 81+144 mm2 | 81 mm2 |
| Maximum core temperature | 105 °C | 105 °C |
| Number of transistors | 382+177 Million | 382 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Core i7-620LM and Celeron U3400 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 | BGA1288 | BGA1288 |
| Power consumption (TDP) | 25 Watt | 18 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-620LM and Celeron U3400. 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 | + | - |
| FMA | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | + | - |
| Hyper-Threading Technology | + | - |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | + | + |
| PAE | 36 Bit | 36 Bit |
| FDI | + | + |
| Fast Memory Access | + | + |
Security technologies
Core i7-620LM and Celeron U3400 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | - |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-620LM and Celeron U3400 are enumerated here.
| VT-d | + | - |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-620LM and Celeron U3400. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-800, DDR3-1066 | DDR3-800 |
| Maximum memory size | 8 GB | 8 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 17.051 GB/s | 12.799 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® HD Graphics for Previous Generation Intel® Processors | Intel® HD Graphics for Previous Generation Intel® Processors |
| Clear Video | + | + |
| Clear Video HD | + | no data |
| Graphics max frequency | 566 MHz | 500 MHz |
Graphics interfaces
Available interfaces and connections of Core i7-620LM and Celeron U3400 integrated GPUs.
| Number of displays supported | 2 | 2 |
Peripherals
Specifications and connection of peripherals supported by Core i7-620LM and Celeron U3400.
| PCIe version | 2.0 | 2.0 |
| PCI Express lanes | 16 | 16 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
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
| Recency | 7 January 2010 | 24 May 2010 |
| Threads | 4 | 2 |
| Power consumption (TDP) | 25 Watt | 18 Watt |
i7-620LM has 100% more threads.
Celeron U3400, on the other hand, has an age advantage of 4 months, and 38.9% lower power consumption.
We couldn't decide between Core i7-620LM and Celeron U3400. We've got no test results to judge.
Should you still have questions on choice between Core i7-620LM and Celeron U3400, ask them in Comments section, and we shall answer.
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