Atom Z620 vs Xeon X5670
Primary details
Comparing Xeon X5670 and Atom Z620 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1450 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.06 | no data |
| Market segment | Server | Laptop |
| Series | Xeon (Desktop) | Intel Atom |
| Power efficiency | 3.83 | no data |
| Architecture codename | Westmere-EP (2010−2011) | Lincroft (2010−2011) |
| Release date | 16 March 2010 (14 years ago) | 4 May 2010 (14 years ago) |
| Launch price (MSRP) | $67 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon X5670 and Atom Z620 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 | 2.93 GHz | 0.9 GHz |
| Boost clock speed | 3.33 GHz | 900 MHz - 1600 MHz (1 core) |
| Bus type | no data | cDMI |
| Bus rate | 6400 MHz | 400 MT/s |
| Multiplier | no data | 9 |
| L1 cache | 64 KB (per core) | 56 KB |
| L2 cache | 256 KB (per core) | 512 KB (per core) |
| L3 cache | 12 MB (shared) | 0 KB |
| Chip lithography | 32 nm | 45 nm |
| Die size | 239 mm2 | 65.2526 mm2 |
| Maximum core temperature | 81 °C | no data |
| Number of transistors | 1,170 million | 140 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Xeon X5670 and Atom Z620 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 | Intel BGA 518 |
| Power consumption (TDP) | 95 Watt | 1.3 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon X5670 and Atom Z620. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | no data |
| AES-NI | + | - |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | 1.0 | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | + | no data |
| Demand Based Switching | + | no data |
| PAE | 40 Bit | no data |
Security technologies
Xeon X5670 and Atom Z620 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 Xeon X5670 and Atom Z620 are enumerated here.
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon X5670 and Atom Z620. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR1, DDR2 |
| Maximum memory size | 288 GB | 2 GB |
| Max memory channels | 3 | 1 |
| Maximum memory bandwidth | 32 GB/s | 3.2 GB/s |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | PowerVR SGX535 |
Peripherals
Specifications and connection of peripherals supported by Xeon X5670 and Atom Z620.
| PCIe version | 2.0 | no data |
Pros & cons summary
| Recency | 16 March 2010 | 4 May 2010 |
| Physical cores | 6 | 1 |
| Threads | 12 | 2 |
| Chip lithography | 32 nm | 45 nm |
| Power consumption (TDP) | 95 Watt | 1 Watt |
Xeon X5670 has 500% more physical cores and 500% more threads, and a 40.6% more advanced lithography process.
Atom Z620, on the other hand, has an age advantage of 1 month, and 9400% lower power consumption.
We couldn't decide between Xeon X5670 and Atom Z620. We've got no test results to judge.
Be aware that Xeon X5670 is a server/workstation processor while Atom Z620 is a notebook one.
Should you still have questions on choice between Xeon X5670 and Atom Z620, ask them in Comments section, and we shall answer.
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