Atom C3808 vs i7-2840QM

VS

Primary details

Comparing Core i7-2840QM and Atom C3808 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1760not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopServer
SeriesIntel Core i7Intel Atom
Power efficiency5.09no data
Architecture codenameSandy Bridge (2011−2013)Goldmont (2016−2017)
Release date4 September 2011 (13 years ago)15 August 2017 (7 years ago)
Launch price (MSRP)no data$369

Detailed specifications

Core i7-2840QM and Atom C3808 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)12 (Dodeca-Core)
Threads812
Base clock speedno data2 GHz
Boost clock speed2.4 GHz2 GHz
Bus typeDMI 2.0no data
Bus rate4 × 5 GT/sno data
Multiplier2422
L1 cache256 KB672 KB
L2 cache1 MB12 MB
L3 cache8 MB12 MB
Chip lithography32 nm14 nm
Die size216 mm2no data
Maximum core temperatureno data86 °C
Number of transistors1160 Millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i7-2840QM and Atom C3808 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 (Uniprocessor)
SocketSocket G2FCBGA1310
Power consumption (TDP)45 Watt25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2840QM and Atom C3808. You'll probably need this information if you require some particular technology.

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

Security technologies

Core i7-2840QM and Atom C3808 technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDBno data+
Secure Bootno data+
Secure Keyno data+
SGXno data-
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-2840QM and Atom C3808 are enumerated here.

VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-2840QM and Atom C3808. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR4: 2133
Maximum memory size32 GB256 GB
Max memory channelsno data2
Maximum memory bandwidth25.598 GB/s34.134 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 3000no data

Peripherals

Specifications and connection of peripherals supported by Core i7-2840QM and Atom C3808.

PCIe versionno data3
PCI Express lanesno data16
USB revisionno data3
Total number of SATA portsno data16
Max number of SATA 6 Gb/s Portsno data16
Number of USB portsno data8
Integrated LANno data4x10/2.5/1 GBE

Pros & cons summary


Recency 4 September 2011 15 August 2017
Physical cores 4 12
Threads 8 12
Chip lithography 32 nm 14 nm
Power consumption (TDP) 45 Watt 25 Watt

Atom C3808 has an age advantage of 5 years, 200% more physical cores and 50% more threads, a 128.6% more advanced lithography process, and 80% lower power consumption.

We couldn't decide between Core i7-2840QM and Atom C3808. We've got no test results to judge.

Be aware that Core i7-2840QM is a notebook processor while Atom C3808 is a server/workstation one.


Should you still have questions on choice between Core i7-2840QM and Atom C3808, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i7-2840QM
Core i7-2840QM
Intel Atom C3808
Atom C3808

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


3 1 vote

Rate Core i7-2840QM on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

No user ratings yet.

Rate Atom C3808 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i7-2840QM or Atom C3808, agree or disagree with our judgements, or report an error or mismatch.