Differences
 
                        Top features of Intel Atom S1240
- 
                            Performance per watt6.1 W 80 W
                            About 13.11 0.97 times less performance per watt 80 W
                            About 13.11 0.97 times less performance per watt
 
                        Top features of Intel Xeon E3-1270
- 
                            Higher clock speed3.40 GHz 1.60 GHz
                            Around 53% better clock speed 1.60 GHz
                            Around 53% better clock speed
Specifications
Complete list of technical specificationsCPU generation and family
Let's find out which one of Intel Atom S1240 and Intel Xeon E3-1270 is of a more recent generation, and what segment it belongs to.
| Specification | Value | 
|---|---|
| Name | Intel Atom S1240  Intel Xeon E3-1270 | 
| Segment | Desktop / Server  Desktop / Server | 
| Family | Intel Atom  Intel Xeon E3 | 
| Generation | 1  2 | 
| CPU group | Intel Atom S1000  Intel Xeon E3 | 
CPU Cores and Base Frequency
In this block we are going to compare Intel Atom S1240 vs Intel Xeon E3-1270 by main technical specifications: number of cores and threads, base and maximum frequencies, process technology and cache size. The higher these specifications are, the more powerful your CPU will be.
| Specification | Value | 
|---|---|
| Frequency | 1.60 GHz  3.40 GHz | 
| Overclocking | No  No | 
| Core architecture | normal  normal | 
Internal Graphics
Common specifications for integrated graphics cards in Intel Atom S1240 and Intel Xeon E3-1270 along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.
| Specification | Value | 
|---|---|
| GPU name | no iGPU  no iGPU | 
| GPU (Turbo) | No turbo  No turbo | 
Hardware codec support
Let's compare the support of video codecs between Intel Atom S1240 and Intel Xeon E3-1270. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.
| Specification | Value | 
|---|---|
| h265 / HEVC (8 bit) | No  No | 
| h265 / HEVC (10 bit) | No  No | 
| h264 | No  No | 
| VP9 | No  No | 
| VP8 | No  No | 
| AV1 | No  No | 
| AVC | No  No | 
| VC-1 | No  No | 
| JPEG | No  No | 
Memory & PCIe
To choose the best model between Intel Atom S1240 and Intel Xeon E3-1270 you need to pay special attention to memory type, clock frequency, multi-channel features, and PCIe version. The higher these numbers are, the better your CPU will be. Keep in mind that the maximum memory and frequency may also depend on the model of the motherboard.
| Specification | Value | 
|---|---|
| Memory type | DDR3-1333  DDR3-1333 | 
| Max. Memory |  32 GB | 
| ECC | Yes  Yes | 
| Memory channels | 1  2 (Dual Channel) | 
Thermal Management
Let's find out what TDP value would be better for Intel Atom S1240 or Intel Xeon E3-1270? The Thermal Design Power (TDP) indicates the maximum amount of heat that should be dissipated by the chip cooling system. However, the value of TDP gives only a rough indication of the real power consumption of the CPU.
| Specification | Value | 
|---|---|
| TDP (PL1) | 6.1 W  80 W | 
Technical details
Here you can find a comparison of 2nd and 3rd level cache sizes for Intel Atom S1240 and Intel Xeon E3-1270 CPUs along with a list of ISA extensions.
| Specification | Value | 
|---|---|
| Instruction set (ISA) | x86-64 (64 bit)  x86-64 (64 bit) | 
| Virtualization | VT-x  VT-x, VT-x EPT, VT-d | 
| ISA extensions | SSE3  SSE4.1, SSE4.2, AVX | 
| L3-Cache | 1.00 MB  8.00 MB | 
| Architecture | Centerton  Sandy-Bridge | 
| Technology | 32 nm  32 nm | 
| Socket | BGA 1283  LGA 1155 | 
| Release date | Q4/2012  Q2/2011 | 

 
                                                     
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                        