Xeon E5-2670 v4 vs Athlon II X4 645
Primary details
Comparing Athlon II X4 645 and Xeon E5-2670 v4 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2155 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 3.30 | no data |
| Market segment | Desktop processor | Server |
| Series | no data | Intel Xeon E5 |
| Power efficiency | 1.47 | no data |
| Architecture codename | Propus (2009−2011) | Broadwell (2015−2019) |
| Release date | 21 September 2010 (14 years ago) | 20 June 2016 (8 years ago) |
| Launch price (MSRP) | $80 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Athlon II X4 645 and Xeon E5-2670 v4 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) | 14 (Tetradeca-Core) |
| Threads | 4 | 28 |
| Base clock speed | 3.1 GHz | no data |
| Boost clock speed | 3.1 GHz | 3.1 GHz |
| Bus type | no data | QPI |
| Bus rate | no data | 2 × 9.6 GT/s |
| Multiplier | no data | 31 |
| L1 cache | 128 KB (per core) | no data |
| L2 cache | 512 KB (per core) | 3.5 MB |
| L3 cache | 0 KB | 35 MB |
| Chip lithography | 45 nm | 14 nm |
| Die size | 169 mm2 | 306.18 mm2 |
| Number of transistors | 300 million | 4700 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Athlon II X4 645 and Xeon E5-2670 v4 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 | 2 (Multiprocessor) |
| Socket | AM3 | no data |
| Power consumption (TDP) | 95 Watt | 120 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon II X4 645 and Xeon E5-2670 v4. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| TSX | - | + |
Security technologies
Athlon II X4 645 and Xeon E5-2670 v4 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon II X4 645 and Xeon E5-2670 v4. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | no data |
| Maximum memory size | no data | 1,536 GB |
Peripherals
Specifications and connection of peripherals supported by Athlon II X4 645 and Xeon E5-2670 v4.
| PCIe version | 2.0 | 3.0 |
| PCI Express lanes | no data | 40 |
Pros & cons summary
| Recency | 21 September 2010 | 20 June 2016 |
| Physical cores | 4 | 14 |
| Threads | 4 | 28 |
| Chip lithography | 45 nm | 14 nm |
| Power consumption (TDP) | 95 Watt | 120 Watt |
Athlon II X4 645 has 26.3% lower power consumption.
Xeon E5-2670 v4, on the other hand, has an age advantage of 5 years, 250% more physical cores and 600% more threads, and a 221.4% more advanced lithography process.
We couldn't decide between Athlon II X4 645 and Xeon E5-2670 v4. We've got no test results to judge.
Note that Athlon II X4 645 is a desktop processor while Xeon E5-2670 v4 is a server/workstation one.
Should you still have questions on choice between Athlon II X4 645 and Xeon E5-2670 v4, ask them in Comments section, and we shall answer.
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