Phenom X4 9950 BE (125W) vs Pentium G645
Primary details
Comparing Pentium G645 and Phenom X4 9950 BE (125W) processor market type (desktop or notebook), architecture, sales start time and price.
Place in the ranking | 2549 | not rated |
Place by popularity | not in top-100 | not in top-100 |
Cost-effectiveness evaluation | 0.06 | no data |
Market segment | Desktop processor | Desktop processor |
Power efficiency | 1.31 | no data |
Architecture codename | Sandy Bridge (2011−2013) | Agena (2007−2008) |
Release date | 2 September 2012 (12 years ago) | October 2008 (16 years ago) |
Launch price (MSRP) | $80 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Pentium G645 and Phenom X4 9950 BE (125W) 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) | 4 (Quad-Core) |
Threads | 2 | 4 |
Base clock speed | 2.9 GHz | no data |
Boost clock speed | 2.9 GHz | 2.6 GHz |
Bus rate | 5 GT/s | no data |
L1 cache | 64 KB (per core) | 128 KB (per core) |
L2 cache | 256 KB (per core) | 512 KB (per core) |
L3 cache | 3 MB (shared) | 2 MB (shared) |
Chip lithography | 32 nm | 65 nm |
Die size | 131 mm2 | 285 mm2 |
Maximum core temperature | 69 °C | no data |
Number of transistors | 504 million | 450 million |
64 bit support | + | + |
Windows 11 compatibility | - | - |
Unlocked multiplier | - | + |
Compatibility
Information on Pentium G645 and Phenom X4 9950 BE (125W) 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 | FCLGA1155 | AM2+ |
Power consumption (TDP) | 65 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium G645 and Phenom X4 9950 BE (125W). 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 | + | - |
AVX | + | - |
Enhanced SpeedStep (EIST) | + | no data |
Turbo Boost Technology | - | no data |
Hyper-Threading Technology | - | no data |
Idle States | + | no data |
Thermal Monitoring | + | - |
Flex Memory Access | + | no data |
FDI | + | no data |
Fast Memory Access | + | no data |
Security technologies
Pentium G645 and Phenom X4 9950 BE (125W) 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 Phenom X4 9950 BE (125W) are enumerated here.
AMD-V | - | + |
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 Phenom X4 9950 BE (125W). Depending on the motherboard, higher memory frequencies may be supported.
Supported memory types | DDR3 | no data |
Maximum memory size | 32 GB | no data |
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 Phenom X4 9950 BE (125W) integrated GPUs.
Number of displays supported | 2 | no data |
Peripherals
Specifications and connection of peripherals supported by Pentium G645 and Phenom X4 9950 BE (125W).
PCIe version | 2.0 | no data |
Pros & cons summary
Physical cores | 2 | 4 |
Threads | 2 | 4 |
Chip lithography | 32 nm | 65 nm |
Power consumption (TDP) | 65 Watt | 125 Watt |
Pentium G645 has a 103.1% more advanced lithography process, and 92.3% lower power consumption.
Phenom X4 9950 BE (125W), on the other hand, has 100% more physical cores and 100% more threads.
We couldn't decide between Pentium G645 and Phenom X4 9950 BE (125W). We've got no test results to judge.
Should you still have questions on choice between Pentium G645 and Phenom X4 9950 BE (125W), ask them in Comments section, and we shall answer.
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