E-450 vs Athlon X4 840
Primary details
Comparing Athlon X4 840 and E-450 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1875 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | 4x Athlon | AMD E-Series |
| Power efficiency | 3.04 | no data |
| Architecture codename | Kaveri (2014−2015) | Zacate (2011−2013) |
| Release date | August 2014 (10 years ago) | 22 August 2011 (13 years ago) |
Detailed specifications
Athlon X4 840 and E-450 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) | 2 (Dual-core) |
| Threads | 4 | 2 |
| Base clock speed | 3.1 GHz | no data |
| Boost clock speed | 3.8 GHz | 1.65 GHz |
| L1 cache | 256K | 64K (per core) |
| L2 cache | 4 MB | 512K (per core) |
| L3 cache | no data | 0 KB |
| Chip lithography | 28 nm | 40 nm |
| Die size | 245 mm2 | 75 mm2 |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | 2,411 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Athlon X4 840 and E-450 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 | Socket FM2+ | FT1 BGA 413-Ball |
| Power consumption (TDP) | 65 watt | 18 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon X4 840 and E-450. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | MMX(+), SSE(1,2,3,3S,4A), AMD-V |
| AES-NI | + | - |
| FMA | + | - |
| AVX | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon X4 840 and E-450 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon X4 840 and E-450. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 Single-channel |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon HD 6320 |
Peripherals
Specifications and connection of peripherals supported by Athlon X4 840 and E-450.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 16 | no data |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
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.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Pros & cons summary
| Recency | on August 2014 | 22 August 2011 |
| Physical cores | 4 | 2 |
| Threads | 4 | 2 |
| Chip lithography | 28 nm | 40 nm |
| Power consumption (TDP) | 65 Watt | 18 Watt |
Athlon X4 840 has an age advantage of 2 years, 100% more physical cores and 100% more threads, and a 42.9% more advanced lithography process.
E-450, on the other hand, has 261.1% lower power consumption.
We couldn't decide between Athlon X4 840 and E-450. We've got no test results to judge.
Note that Athlon X4 840 is a desktop processor while E-450 is a notebook one.
Should you still have questions on choice between Athlon X4 840 and E-450, ask them in Comments section, and we shall answer.
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