i5-2477M vs i7-870
Primary details
Comparing Core i7-870 and Core i5-2477M processor market type (desktop or notebook), architecture, sales start time and price.
Place in the ranking | 1928 | not rated |
Place by popularity | not in top-100 | not in top-100 |
Cost-effectiveness evaluation | 0.18 | no data |
Market segment | Desktop processor | Laptop |
Series | no data | Intel Core i5 |
Power efficiency | 1.96 | no data |
Architecture codename | Lynnfield (2009−2010) | Sandy Bridge (2011−2013) |
Release date | 8 September 2009 (15 years ago) | no data (2024 years ago) |
Launch price (MSRP) | $305 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i7-870 and Core i5-2477M 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 | 8 | 4 |
Base clock speed | 2.93 GHz | no data |
Boost clock speed | 3.6 GHz | 1.6 GHz |
Bus type | no data | DMI 2.0 |
Bus rate | 2.5 GT/s | 4 × 5 GT/s |
Multiplier | no data | 16 |
L1 cache | 64 KB (per core) | 128 KB |
L2 cache | 256 KB (per core) | 512 KB |
L3 cache | 8 MB (shared) | 3 MB |
Chip lithography | 45 nm | 32 nm |
Die size | 296 mm2 | 149 mm2 |
Maximum core temperature | 73 °C | no data |
Number of transistors | 774 million | 624 Million |
64 bit support | + | + |
Windows 11 compatibility | - | - |
Compatibility
Information on Core i7-870 and Core i5-2477M 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 | FCLGA1156,LGA1156 | no data |
Power consumption (TDP) | 95 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-870 and Core i5-2477M. You'll probably need this information if you require some particular technology.
Instruction set extensions | Intel® SSE4.2 | no data |
AES-NI | - | + |
FMA | - | + |
AVX | - | + |
Enhanced SpeedStep (EIST) | + | + |
Turbo Boost Technology | 1.0 | no data |
Hyper-Threading Technology | + | no data |
Idle States | + | no data |
Demand Based Switching | - | no data |
PAE | 36 Bit | no data |
Security technologies
Core i7-870 and Core i5-2477M 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 Core i7-870 and Core i5-2477M are enumerated here.
VT-d | + | no data |
VT-x | + | + |
EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-870 and Core i5-2477M. Depending on the motherboard, higher memory frequencies may be supported.
Supported memory types | DDR3 | DDR3-1333 |
Maximum memory size | 16 GB | 16 GB |
Max memory channels | 2 | 2 |
Maximum memory bandwidth | 21 GB/s | 21.335 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
Integrated graphics card | N/A | Intel HD Graphics 3000 |
Peripherals
Specifications and connection of peripherals supported by Core i7-870 and Core i5-2477M.
PCIe version | 2.0 | no data |
PCI Express lanes | 16 | no data |
Pros & cons summary
Physical cores | 4 | 2 |
Threads | 8 | 4 |
Chip lithography | 45 nm | 32 nm |
Power consumption (TDP) | 95 Watt | 35 Watt |
i7-870 has 100% more physical cores and 100% more threads.
i5-2477M, on the other hand, has a 40.6% more advanced lithography process, and 171.4% lower power consumption.
We couldn't decide between Core i7-870 and Core i5-2477M. We've got no test results to judge.
Note that Core i7-870 is a desktop processor while Core i5-2477M is a notebook one.
Should you still have questions on choice between Core i7-870 and Core i5-2477M, ask them in Comments section, and we shall answer.
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