Atom Z2420 vs Xeon 5148
Primary details
Comparing Xeon 5148 and Atom Z2420 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 2700 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 3.05 | no data |
| Market segment | Server | Laptop |
| Architecture codename | Woodcrest (2006) | Saltwell |
| Release date | June 2006 (18 years ago) | 1 January 2013 (11 years ago) |
| Launch price (MSRP) | $9 | no data |
| Current price | $63 (7x MSRP) | $32 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon 5148 and Atom Z2420 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 | 2 | 2 |
| Boost clock speed | 2.33 GHz | 1.2 GHz |
| L1 cache | 0 KB | 64K (per core) |
| L2 cache | 4 MB | 512K (per core) |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 65 nm | 32 nm |
| Die size | no data | 65 mm2 |
| Maximum core temperature | no data | 90 °C |
| Number of transistors | no data | 140 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Xeon 5148 and Atom Z2420 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 |
| Socket | 771 | FC-MB4617 |
| Power consumption (TDP) | 40 Watt | 3 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon 5148 and Atom Z2420. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE, Intel® SSE2, Intel® SSE3 |
| Enhanced SpeedStep (EIST) | no data | + |
| Hyper-Threading Technology | no data | + |
| Idle States | no data | + |
| Thermal Monitoring | no data | + |
| PAE | no data | 32 Bit |
| GPIO | no data | 152 |
| Status | no data | Discontinued |
Security technologies
Xeon 5148 and Atom Z2420 technologies aimed at improving security, for example, by protecting against hacks.
| EDB | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon 5148 and Atom Z2420. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2 | DDR2 |
| Maximum memory size | no data | 1 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 6.4 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | PowerVR SGX540 (400 MHz) |
Graphics interfaces
Available interfaces and connections of Xeon 5148 and Atom Z2420 integrated GPUs.
| Number of displays supported | no data | 2 |
Peripherals
Specifications and connection of peripherals supported by Xeon 5148 and Atom Z2420.
| USB revision | no data | 2.0 OTG |
| Number of USB ports | no data | 1 |
| UART | no data | 3 |
Pros & cons summary
| Physical cores | 2 | 1 |
| Chip lithography | 65 nm | 32 nm |
| Power consumption (TDP) | 40 Watt | 3 Watt |
We couldn't decide between Xeon 5148 and Atom Z2420. We've got no test results to judge.
Be aware that Xeon 5148 is a server/workstation processor while Atom Z2420 is a notebook one.
Should you still have questions on choice between Xeon 5148 and Atom Z2420, ask them in Comments section, and we shall answer.
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