Atom Z670 vs i7-620M
Aggregate performance score
Core i7-620M outperforms Atom Z670 by a whopping 1156% 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 | 2634 | 3709 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.06 | no data |
| Market segment | Laptop | Laptop |
| Series | Intel Core i7 | Intel Atom |
| Power efficiency | 1.36 | 1.27 |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Arrandale (2010−2011) | Lincroft (2010−2011) |
| Release date | 7 January 2010 (16 years ago) | 11 April 2011 (15 years ago) |
| Launch price (MSRP) | $332 | $75 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Core i7-620M and Atom Z670 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) | 1 (Single-Core) |
| Threads | 4 | 2 |
| Base clock speed | 2.66 GHz | 1.5 GHz |
| Boost clock speed | 3.33 GHz | 1.5 GHz |
| Bus type | DMI 1.0 | cDMI |
| Bus rate | 1 × 2.5 GT/s | 400 MT/s |
| Multiplier | 15 | 8 |
| L1 cache | 64K (per core) | 64K (per core) |
| L2 cache | 256K (per core) | 512K (per core) |
| L3 cache | 4 MB (shared) | 0 KB |
| Chip lithography | 32 nm | 45 nm |
| Die size | 81+114 mm2 | 65 mm2 |
| Maximum core temperature | 105 °C | 90 °C |
| Number of transistors | 384 million | 140 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Core i7-620M and Atom Z670 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 (Uniprocessor) | 1 (Uniprocessor) |
| Socket | BGA1288,PGA988 | T-PBGA518 |
| Power consumption (TDP) | 35 Watt | 3 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-620M and Atom Z670. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2 | Intel® SSE2, Intel® SSE3, Intel® SSSE3 |
| AES-NI | + | - |
| FMA | + | - |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | + | no data |
| Hyper-Threading Technology | + | + |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | + | no data |
| PAE | 36 Bit | no data |
| FDI | + | no data |
| Fast Memory Access | + | no data |
Security technologies
Core i7-620M and Atom Z670 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-620M and Atom Z670 are enumerated here.
| VT-d | + | - |
| VT-x | + | - |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-620M and Atom Z670. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR2 |
| Maximum memory size | 8 GB | 2.93 GB |
| Max memory channels | 2 | 1 |
| Maximum memory bandwidth | 17.051 GB/s | 3.2 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics for Previous Generation Intel Processors | PowerVR SGX535 |
| Clear Video | + | no data |
| Clear Video HD | + | no data |
| Graphics max frequency | 766 MHz | no data |
Graphics interfaces
Available interfaces and connections of Core i7-620M and Atom Z670 integrated GPUs.
| Number of displays supported | 2 | no data |
| LVDS | no data | + |
Peripherals
Specifications and connection of peripherals supported by Core i7-620M and Atom Z670.
| PCIe version | 2.0 | no data |
| PCI Express lanes | 16 | no data |
| PCI support | 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.
Cinebench 10 32-bit single-core
Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.
Cinebench 10 32-bit multi-core
Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.
wPrime 32
wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.
Cinebench 11.5 64-bit multi-core
Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.
Pros & cons summary
| Performance score | 1.13 | 0.09 |
| Recency | 7 January 2010 | 11 April 2011 |
| Physical cores | 2 | 1 |
| Threads | 4 | 2 |
| Chip lithography | 32 nm | 45 nm |
| Power consumption (TDP) | 35 Watt | 3 Watt |
i7-620M has a 1156% higher aggregate performance score, 100% more physical cores and 100% more threads, and a 41% more advanced lithography process.
Atom Z670, on the other hand, has an age advantage of 1 year, and 1067% lower power consumption.
The Intel Core i7-620M is our recommended choice as it beats the Intel Atom Z670 in performance tests.
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