i5-2477M vs i7-870

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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 ranking1925not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.19no data
Market segmentDesktop processorLaptop
Seriesno dataIntel Core i5
Power efficiency1.97no data
Architecture codenameLynnfield (2009−2010)Sandy Bridge (2011−2013)
Release date8 September 2009 (15 years ago)no data (2024 years ago)
Launch price (MSRP)$305no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

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 cores4 (Quad-Core)2 (Dual-core)
Threads84
Base clock speed2.93 GHzno data
Boost clock speed3.6 GHz1.6 GHz
Bus typeno dataDMI 2.0
Bus rate2.5 GT/s4 × 5 GT/s
Multiplierno data16
L1 cache64 KB (per core)128 KB
L2 cache256 KB (per core)512 KB
L3 cache8 MB (shared)3 MB
Chip lithography45 nm32 nm
Die size296 mm2149 mm2
Maximum core temperature73 °Cno data
Number of transistors774 million624 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 configuration11 (Uniprocessor)
SocketFCLGA1156,LGA1156no data
Power consumption (TDP)95 Watt35 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 extensionsIntel® SSE4.2no data
AES-NI-+
FMA-+
AVX-+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology1.0no data
Hyper-Threading Technology+no data
Idle States+no data
Demand Based Switching-no data
PAE36 Bitno 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 typesDDR3DDR3-1333
Maximum memory size16 GB16 GB
Max memory channels22
Maximum memory bandwidth21 GB/s21.335 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AIntel HD Graphics 3000

Peripherals

Specifications and connection of peripherals supported by Core i7-870 and Core i5-2477M.

PCIe version2.0no data
PCI Express lanes16no 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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Intel Core i7-870
Core i7-870
Intel Core i5-2477M
Core i5-2477M

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Community ratings

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