Atom 230 vs Xeon E5645
Primary details
Comparing Xeon E5645 and Atom 230 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1603 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.25 | no data |
| Market segment | Server | Laptop |
| Series | no data | Intel Atom |
| Power efficiency | 3.76 | no data |
| Architecture codename | Westmere-EP (2010−2011) | Silverthorne (2008−2010) |
| Release date | 16 March 2010 (14 years ago) | 2 April 2008 (16 years ago) |
| Launch price (MSRP) | $294 | $29 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon E5645 and Atom 230 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 | 6 (Hexa-Core) | 1 (Single-Core) |
| Threads | 12 | 2 |
| Base clock speed | 2.4 GHz | 1.6 GHz |
| Boost clock speed | 2.67 GHz | 0.1 GHz |
| Bus type | no data | FSB |
| Bus rate | no data | 533.33 MT/s |
| Multiplier | no data | 12 |
| L1 cache | 64 KB (per core) | 56 KB |
| L2 cache | 256 KB (per core) | 512 KB |
| L3 cache | 12 MB (shared) | 0 KB |
| Chip lithography | 32 nm | 45 nm |
| Die size | 239 mm2 | 25.9638 mm2 |
| Maximum core temperature | 76 °C | 85 °C |
| Number of transistors | 1,170 million | 47 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | no data | 0.9V-1.1625V |
Compatibility
Information on Xeon E5645 and Atom 230 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 | 2 | 1 (Uniprocessor) |
| Socket | FCLGA1366,LGA1366 | PBGA437 |
| Power consumption (TDP) | 80 Watt | 4 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E5645 and Atom 230. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | Intel® SSE2, Intel® SSE3, Intel® SSSE3 |
| AES-NI | + | - |
| Enhanced SpeedStep (EIST) | + | - |
| Turbo Boost Technology | 1.0 | - |
| Hyper-Threading Technology | + | + |
| Idle States | + | - |
| Demand Based Switching | + | - |
| PAE | 40 Bit | no data |
| FSB parity | no data | - |
Security technologies
Xeon E5645 and Atom 230 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | - |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E5645 and Atom 230 are enumerated here.
| VT-d | + | - |
| VT-x | + | - |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E5645 and Atom 230. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | no data |
| Maximum memory size | 288 GB | 8 GB |
| Max memory channels | 3 | no data |
| Maximum memory bandwidth | 32 GB/s | no data |
| ECC memory support | + | - |
Peripherals
Specifications and connection of peripherals supported by Xeon E5645 and Atom 230.
| PCIe version | 2.0 | 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.
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.
Pros & cons summary
| Recency | 16 March 2010 | 2 April 2008 |
| Physical cores | 6 | 1 |
| Threads | 12 | 2 |
| Chip lithography | 32 nm | 45 nm |
| Power consumption (TDP) | 80 Watt | 4 Watt |
Xeon E5645 has an age advantage of 1 year, 500% more physical cores and 500% more threads, and a 40.6% more advanced lithography process.
Atom 230, on the other hand, has 1900% lower power consumption.
We couldn't decide between Xeon E5645 and Atom 230. We've got no test results to judge.
Be aware that Xeon E5645 is a server/workstation processor while Atom 230 is a notebook one.
Should you still have questions on choice between Xeon E5645 and Atom 230, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
