Athlon MP 1800+ vs Pentium G645
Primary details
Comparing Pentium G645 and Athlon MP 1800+ processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 2434 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.06 | no data |
| Market segment | Desktop processor | Server |
| Series | no data | AMD Athlon MP |
| Architecture codename | Sandy Bridge (2011−2013) | K7 (2000−2003) |
| Release date | 2 September 2012 (11 years ago) | 15 October 2001 (22 years ago) |
| Launch price (MSRP) | $80 | $302 |
| Current price | $61 (0.8x MSRP) | $33 (0.1x MSRP) |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Pentium G645 and Athlon MP 1800+ 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 | 1 |
| Base clock speed | 2.9 GHz | no data |
| Boost clock speed | 2.9 GHz | 1.53 GHz |
| Bus support | no data | 266 MT/s |
| L1 cache | 64 KB (per core) | 128 KB |
| L2 cache | 256 KB (per core) | 256 KB |
| L3 cache | 3 MB (shared) | no data |
| Chip lithography | 32 nm | 180 nm |
| Die size | 131 mm2 | 128 mm2 |
| Maximum core temperature | 69 °C | no data |
| Number of transistors | 504 million | 38 Million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Pentium G645 and Athlon MP 1800+ 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 | FCLGA1155 | no data |
| Power consumption (TDP) | 65 Watt | 66 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium G645 and Athlon MP 1800+. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2 | no data |
| AES-NI | + | no data |
| AVX | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | no data |
| Flex Memory Access | + | no data |
| FDI | + | no data |
| Fast Memory Access | + | no data |
| Status | Discontinued | no data |
Security technologies
Pentium G645 and Athlon MP 1800+ technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium G645 and Athlon MP 1800+ are enumerated here.
| VT-d | - | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium G645 and Athlon MP 1800+. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | no data |
| Maximum memory size | 32 GB | 4 GB |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 17 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® HD Graphics for 2nd Generation Intel® Processors | no data |
| Graphics max frequency | 1.1 GHz | no data |
Graphics interfaces
Available interfaces and connections of Pentium G645 and Athlon MP 1800+ integrated GPUs.
| Number of displays supported | 2 | no data |
Peripherals
Specifications and connection of peripherals supported by Pentium G645 and Athlon MP 1800+.
| PCIe version | 2.0 | no data |
Pros & cons summary
| Recency | 2 September 2012 | 15 October 2001 |
| Physical cores | 2 | 1 |
| Threads | 2 | 1 |
| Cost | $80 | $302 |
| Chip lithography | 32 nm | 180 nm |
| Power consumption (TDP) | 65 Watt | 66 Watt |
We couldn't decide between Pentium G645 and Athlon MP 1800+. We've got no test results to judge.
Note that Pentium G645 is a desktop processor while Athlon MP 1800+ is a server/workstation one.
Should you still have questions on choice between Pentium G645 and Athlon MP 1800+, ask them in Comments section, and we shall answer.
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