Atom D2550 vs Core 2 Duo SL9400
Aggregate performance score
Core 2 Duo SL9400 outperforms Atom D2550 by an impressive 87% 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 | 3163 | 3396 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.01 | no data |
| Market segment | Laptop | Laptop |
| Series | Intel Core 2 Duo | Intel Atom |
| Power efficiency | 1.07 | 0.97 |
| Designer | Intel | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | Penryn (2008−2011) | Cedarview (2011−2012) |
| Release date | 20 August 2008 (17 years ago) | 1 November 2011 (13 years ago) |
| Launch price (MSRP) | $284 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Core 2 Duo SL9400 and Atom D2550 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 | 4 |
| Base clock speed | 1.86 GHz | 1.86 GHz |
| Boost clock speed | 1.86 GHz | 1.87 GHz |
| Bus rate | 1066 MHz | no data |
| L1 cache | no data | 64 KB (per core) |
| L2 cache | 6 MB | 512K (per core) |
| L3 cache | 6 MB L2 Cache | 0 KB |
| Chip lithography | 45 nm | 32 nm |
| Die size | 107 mm2 | 66 mm2 |
| Maximum core temperature | 105 °C | 100 °C |
| Number of transistors | 410 Million | 176 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 1.05V - 1.15V | no data |
Compatibility
Information on Core 2 Duo SL9400 and Atom D2550 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 | BGA956 | FCBGA559 |
| Power consumption (TDP) | 17 Watt | 10 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo SL9400 and Atom D2550. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE2, Intel® SSE3, Intel® SSSE3 |
| Enhanced SpeedStep (EIST) | + | - |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | + |
| Idle States | - | no data |
| Demand Based Switching | - | no data |
| PAE | no data | 36 Bit |
| FSB parity | - | no data |
Security technologies
Core 2 Duo SL9400 and Atom D2550 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Duo SL9400 and Atom D2550 are enumerated here.
| VT-d | no data | - |
| VT-x | + | - |
| VT-i | no data | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Duo SL9400 and Atom D2550. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3 |
| Maximum memory size | no data | 4 GB |
| Max memory channels | no data | 1 |
| Maximum memory bandwidth | no data | 6.4 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel Graphics Media Accelerator (GMA) 3650 (640 MHz) |
Graphics interfaces
Available interfaces and connections of Core 2 Duo SL9400 and Atom D2550 integrated GPUs.
| Number of displays supported | no data | 2 |
Peripherals
Specifications and connection of peripherals supported by Core 2 Duo SL9400 and Atom D2550.
| PCI Express lanes | no data | 4 |
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 | 0.43 | 0.23 |
| Recency | 20 August 2008 | 1 November 2011 |
| Threads | 2 | 4 |
| Chip lithography | 45 nm | 32 nm |
| Power consumption (TDP) | 17 Watt | 10 Watt |
Core 2 Duo SL9400 has a 87% higher aggregate performance score.
Atom D2550, on the other hand, has an age advantage of 3 years, 100% more threads, a 40.6% more advanced lithography process, and 70% lower power consumption.
The Intel Core 2 Duo SL9400 is our recommended choice as it beats the Intel Atom D2550 in performance tests.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
