Atom E640 vs i5-2515E

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Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2571not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.06no data
Market segmentLaptopLaptop
SeriesIntel Core i5no data
Power efficiency1.30no data
DesignerIntelIntel
ManufacturerIntelIntel
Architecture codenameSandy Bridge (2011−2013)Tunnel Creek (2010)
Release date1 February 2011 (14 years ago)14 September 2010 (14 years ago)
Launch price (MSRP)$266no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Performance to price scatter graph

Detailed specifications

Core i5-2515E and Atom E640 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 cores2 (Dual-core)1 (Single-Core)
Threads42
Base clock speed2.5 GHzno data
Boost clock speed2.5 GHz1 GHz
Bus typeDMI 2.0no data
Bus rate4 × 5 GT/sno data
Multiplier25no data
L1 cache64K (per core)64 KB (per core)
L2 cache256K (per core)512 KB (per core)
L3 cache3 MB (shared)0 KB
Chip lithography32 nm45 nm
Die size149 mm226 mm2
Number of transistors624 million47 million
64 bit support+-
Windows 11 compatibility--

Compatibility

Information on Core i5-2515E and Atom E640 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 configuration1 (Uniprocessor)1
SocketIntel BGA1023Intel BGA 676
Power consumption (TDP)35 Watt3 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-2515E and Atom E640. You'll probably need this information if you require some particular technology.

AES-NI+-
FMA+-
AVX+-
vPro+no data
Enhanced SpeedStep (EIST)++
Hyper-Threading Technologyno data+

Security technologies

Core i5-2515E and Atom E640 technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-2515E and Atom E640 are enumerated here.

VT-d+no data
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-2515E and Atom E640. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR2
Maximum memory size16 GBno data
Max memory channels2no data
Maximum memory bandwidth21.335 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 3000Intel GMA 600

Pros & cons summary


Recency 1 February 2011 14 September 2010
Physical cores 2 1
Threads 4 2
Chip lithography 32 nm 45 nm
Power consumption (TDP) 35 Watt 3 Watt

i5-2515E has an age advantage of 4 months, 100% more physical cores and 100% more threads, and a 40.6% more advanced lithography process.

Atom E640, on the other hand, has 1066.7% lower power consumption.

We couldn't decide between Intel Core i5-2515E and Intel Atom E640. We've got no test results to judge.

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Intel Core i5-2515E
Core i5-2515E
Intel Atom E640
Atom E640

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Community ratings

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