Atom Z625 vs i7-4771
Primary details
Comparing Core i7-4771 and Atom Z625 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1308 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.51 | no data |
| Market segment | Desktop processor | Laptop |
| Series | no data | Intel Atom |
| Power efficiency | 5.06 | no data |
| Architecture codename | Haswell (2013−2015) | Lincroft (2010−2011) |
| Release date | 1 September 2013 (11 years ago) | 4 May 2010 (14 years ago) |
| Launch price (MSRP) | $450 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i7-4771 and Atom Z625 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 | 4 (Quad-Core) | 1 (Single-Core) |
| Threads | 8 | 2 |
| Base clock speed | 3.5 GHz | 1.9 GHz |
| Boost clock speed | 3.9 GHz | 1.5 GHz |
| Bus type | no data | cDMI |
| Bus rate | 5 GT/s | 400 MT/s |
| Multiplier | no data | 15 |
| L1 cache | 64 KB (per core) | 56 KB |
| L2 cache | 256 KB (per core) | 512 KB (per core) |
| L3 cache | 8 MB (shared) | 0 KB |
| Chip lithography | 22 nm | 45 nm |
| Die size | 177 mm2 | 65.2526 mm2 |
| Maximum core temperature | no data | +90 °C |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | 1,400 million | 140 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Core i7-4771 and Atom Z625 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 | 1 (Uniprocessor) |
| Socket | FCLGA1150 | T-PBGA518 |
| Power consumption (TDP) | 84 Watt | 2.2 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-4771 and Atom Z625. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | Intel® SSE, Intel® SSE2, Intel® SSE3, Intel® SSSE3 |
| AES-NI | + | - |
| AVX | + | - |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| My WiFi | + | no data |
| Turbo Boost Technology | 2.0 | - |
| Hyper-Threading Technology | + | + |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | no data | - |
| SIPP | + | - |
| Demand Based Switching | no data | - |
| PAE | no data | 32 Bit |
| GPIO | no data | + |
| FDI | + | - |
| Fast Memory Access | no data | - |
| AMT | no data | - |
| Matrix Storage | no data | - |
| Quiet System | no data | - |
| I/O Acceleration | no data | - |
| Quick Resume | no data | - |
| HD Audio | no data | - |
Security technologies
Core i7-4771 and Atom Z625 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | - |
| EDB | + | + |
| Secure Key | + | no data |
| Identity Protection | + | - |
| OS Guard | + | no data |
| Anti-Theft | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-4771 and Atom Z625 are enumerated here.
| VT-d | + | - |
| VT-x | + | - |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-4771 and Atom Z625. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR2 |
| Maximum memory size | 32 GB | 2 GB |
| Max memory channels | 2 | 1 |
| Maximum memory bandwidth | 25.6 GB/s | 3.2 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics 4600 | PowerVR SGX535 |
| Max video memory | 2 GB | no data |
| Quick Sync Video | + | - |
| Clear Video | no data | + |
| Clear Video HD | + | - |
| Graphics max frequency | 1.2 GHz | no data |
| InTru 3D | + | no data |
Graphics interfaces
Available interfaces and connections of Core i7-4771 and Atom Z625 integrated GPUs.
| Number of displays supported | 3 | no data |
| eDP | + | no data |
| DisplayPort | + | - |
| HDMI | + | - |
| DVI | + | no data |
| VGA | + | no data |
| LVDS | no data | + |
| MIPI | no data | + |
Graphics image quality
Maximum display resolutions supported by Core i7-4771 and Atom Z625 integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | 4096x2304@24Hz | no data |
| Max resolution over eDP | 3840x2160@60Hz | no data |
| Max resolution over DisplayPort | 3840x2160@60Hz | no data |
| Max resolution over VGA | 1920x1200@60Hz | no data |
Graphics API support
APIs supported by Core i7-4771 and Atom Z625 integrated GPUs, sometimes API versions are included.
| DirectX | 11.2/12 | no data |
| OpenGL | 4.3 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i7-4771 and Atom Z625.
| PCIe version | Up to 3.0 | - |
| PCI Express lanes | 16 | no data |
| PCI support | no data | - |
| USB revision | no data | 2.0 |
| Integrated IDE | no data | - |
| Number of USB ports | no data | 4 |
| Integrated LAN | no data | - |
| UART | no data | + |
Pros & cons summary
| Recency | 1 September 2013 | 4 May 2010 |
| Physical cores | 4 | 1 |
| Threads | 8 | 2 |
| Chip lithography | 22 nm | 45 nm |
| Power consumption (TDP) | 84 Watt | 2 Watt |
i7-4771 has an age advantage of 3 years, 300% more physical cores and 300% more threads, and a 104.5% more advanced lithography process.
Atom Z625, on the other hand, has 4100% lower power consumption.
We couldn't decide between Core i7-4771 and Atom Z625. We've got no test results to judge.
Note that Core i7-4771 is a desktop processor while Atom Z625 is a notebook one.
Should you still have questions on choice between Core i7-4771 and Atom Z625, 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.
