Pentium 977 vs Athlon 64 2650e
Primary details
Comparing Athlon 64 2650e and Pentium 977 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 2684 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | Intel Pentium |
| Power efficiency | no data | 4.01 |
| Architecture codename | Lima (2008−2009) | Sandy Bridge (2011−2013) |
| Release date | 1 January 2009 (15 years ago) | 1 January 2012 (12 years ago) |
| Launch price (MSRP) | no data | $134 |
Detailed specifications
Athlon 64 2650e and Pentium 977 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 | 1 (Single-Core) | 2 (Dual-core) |
| Threads | 1 | 2 |
| Base clock speed | no data | 1.4 GHz |
| Boost clock speed | 1.6 GHz | 1.4 GHz |
| Bus type | no data | DMI 2.0 |
| Bus rate | no data | 4 × 5 GT/s |
| Multiplier | no data | 14 |
| L1 cache | 128 KB | 64K (per core) |
| L2 cache | 512 KB | 256K (per core) |
| L3 cache | 0 KB | 2 MB (shared) |
| Chip lithography | 65 nm | 32 nm |
| Die size | 77 mm2 | 131 mm2 |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | 122 million | 504 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Athlon 64 2650e and Pentium 977 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 (Uniprocessor) |
| Socket | AM2 | FCBGA1023 |
| Power consumption (TDP) | 15 Watt | 17 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon 64 2650e and Pentium 977. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2 |
| FMA | - | + |
| Enhanced SpeedStep (EIST) | no data | + |
| My WiFi | no data | - |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | - |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
| Demand Based Switching | no data | - |
| FDI | no data | + |
| Fast Memory Access | no data | + |
Security technologies
Athlon 64 2650e and Pentium 977 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | - |
| EDB | no data | + |
| Anti-Theft | no data | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon 64 2650e and Pentium 977 are enumerated here.
| VT-d | no data | - |
| VT-x | no data | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon 64 2650e and Pentium 977. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2 | DDR3 |
| Maximum memory size | no data | 16.38 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 21.335 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | Intel HD Graphics for 2nd Generation Intel Processors |
| Graphics max frequency | no data | 1 GHz |
Graphics interfaces
Available interfaces and connections of Athlon 64 2650e and Pentium 977 integrated GPUs.
| Number of displays supported | no data | 2 |
| eDP | no data | + |
| DisplayPort | - | + |
| HDMI | - | + |
| SDVO | no data | + |
| CRT | no data | + |
Peripherals
Specifications and connection of peripherals supported by Athlon 64 2650e and Pentium 977.
| PCIe version | 2.0 | 2.0 |
| PCI Express lanes | no data | 16 |
Pros & cons summary
| Recency | 1 January 2009 | 1 January 2012 |
| Physical cores | 1 | 2 |
| Threads | 1 | 2 |
| Chip lithography | 65 nm | 32 nm |
| Power consumption (TDP) | 15 Watt | 17 Watt |
Athlon 64 2650e has 13.3% lower power consumption.
Pentium 977, on the other hand, has an age advantage of 3 years, 100% more physical cores and 100% more threads, and a 103.1% more advanced lithography process.
We couldn't decide between Athlon 64 2650e and Pentium 977. We've got no test results to judge.
Note that Athlon 64 2650e is a desktop processor while Pentium 977 is a notebook one.
Should you still have questions on choice between Athlon 64 2650e and Pentium 977, ask them in Comments section, and we shall answer.
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