Atom Z3740 vs Phenom II X4 840
Aggregate performance score
Phenom II X4 840 outperforms Atom Z3740 by a whopping 289% 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 | 2447 | 3329 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 3.08 | no data |
| Market segment | Desktop processor | Laptop |
| Power efficiency | 0.62 | 7.59 |
| Designer | AMD | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | Propus (2009−2011) | Bay Trail-T (2013−2014) |
| Release date | 4 January 2011 (15 years ago) | 27 September 2013 (12 years ago) |
| Launch price (MSRP) | $90 | $32 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Phenom II X4 840 and Atom Z3740 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) | 4 (Quad-Core) |
| Threads | 4 | 4 |
| Base clock speed | 3.2 GHz | 1.33 GHz |
| Boost clock speed | 3.2 GHz | 1.86 GHz |
| L1 cache | 128 KB (per core) | 64K (per core) |
| L2 cache | 512 KB (per core) | 512K (per core) |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 45 nm | 22 nm |
| Die size | 169 mm2 | no data |
| Maximum core temperature | no data | 90 °C |
| Number of transistors | 300 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Phenom II X4 840 and Atom Z3740 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 | AM3 | UTFCBGA1380 |
| Power consumption (TDP) | 95 Watt | 2 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X4 840 and Atom Z3740. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| Enhanced SpeedStep (EIST) | no data | + |
Security technologies
Phenom II X4 840 and Atom Z3740 technologies aimed at improving security, for example, by protecting against hacks.
| Identity Protection | - | + |
| Anti-Theft | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II X4 840 and Atom Z3740 are enumerated here.
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X4 840 and Atom Z3740. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
| Maximum memory size | no data | 4 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 17.1 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel HD Graphics for Intel Atom Processor Z3700 Series |
| Quick Sync Video | - | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 667 MHz |
Peripherals
Specifications and connection of peripherals supported by Phenom II X4 840 and Atom Z3740.
| PCIe version | 2.0 | 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.
Pros & cons summary
| Performance score | 1.40 | 0.36 |
| Recency | 4 January 2011 | 27 September 2013 |
| Chip lithography | 45 nm | 22 nm |
| Power consumption (TDP) | 95 Watt | 2 Watt |
Phenom II X4 840 has a 288.9% higher aggregate performance score.
Atom Z3740, on the other hand, has an age advantage of 2 years, a 104.5% more advanced lithography process, and 4650% lower power consumption.
The AMD Phenom II X4 840 is our recommended choice as it beats the Intel Atom Z3740 in performance tests.
Note that Phenom II X4 840 is a desktop processor while Atom Z3740 is a notebook one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
