Atom N455 vs i5-1145GRE
Aggregate performance score
Core i5-1145GRE outperforms Atom N455 by a whopping 4164% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1387 | 3602 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 5.58 | no data |
| Market segment | Laptop | Laptop |
| Series | no data | Intel Atom |
| Power efficiency | 7.08 | 0.66 |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Tiger Lake-U (2020−2021) | Pinetrail (2009−2011) |
| Release date | 2 September 2020 (5 years ago) | 1 June 2010 (15 years ago) |
| Launch price (MSRP) | $362 | $64 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Core i5-1145GRE and Atom N455 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 | 4 (Quad-Core) | 1 (Single-Core) |
| Threads | 8 | 2 |
| Base clock speed | 1.5 GHz | 1.66 GHz |
| Boost clock speed | 4.1 GHz | 1.67 GHz |
| Bus rate | no data | 533 MHz |
| L1 cache | 80 KB (per core) | 64 KB (per core) |
| L2 cache | 1.25 MB (per core) | 512K (per core) |
| L3 cache | 8 MB (shared) | 0 KB |
| Chip lithography | 10 nm | 45 nm |
| Die size | 144 mm2 | 66 mm2 |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | no data | 123 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
Compatibility
Information on Core i5-1145GRE and Atom N455 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 | 1 |
| Socket | Intel BGA 1449 | FCBGA559 |
| Power consumption (TDP) | 28 Watt | 6.5 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-1145GRE and Atom N455. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE2, Intel® SSE3, Intel® SSSE3 |
| AES-NI | + | - |
| AVX | + | - |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | + |
| Thermal Monitoring | - | + |
| Demand Based Switching | no data | - |
Security technologies
Core i5-1145GRE and Atom N455 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | - |
| EDB | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-1145GRE and Atom N455 are enumerated here.
| VT-d | + | - |
| VT-x | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-1145GRE and Atom N455. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4, LPDDR4X | DDR3 |
| Maximum memory size | no data | 2 GB |
| Max memory channels | no data | 1 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel Iris Xe Graphics G7 80EU | Intel GMA 3150 |
Peripherals
Specifications and connection of peripherals supported by Core i5-1145GRE and Atom N455.
| PCIe version | 4.0 | no data |
| PCI Express lanes | 4 | no data |
Synthetic benchmarks
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.
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 4.69 | 0.11 |
| Recency | 2 September 2020 | 1 June 2010 |
| Physical cores | 4 | 1 |
| Threads | 8 | 2 |
| Chip lithography | 10 nm | 45 nm |
| Power consumption (TDP) | 28 Watt | 6 Watt |
i5-1145GRE has a 4163.6% higher aggregate performance score, an age advantage of 10 years, 300% more physical cores and 300% more threads, and a 350% more advanced lithography process.
Atom N455, on the other hand, has 366.7% lower power consumption.
The Intel Core i5-1145GRE is our recommended choice as it beats the Intel Atom N455 in performance tests.
Other comparisons
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