Atom Z3740 vs Core 2 Duo E8400

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Primary details

Comparing Core 2 Duo E8400 and Atom Z3740 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking2560not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.86no data
Market segmentDesktop processorLaptop
Architecture codenameWolfdale (2008−2010)Bay Trail-T (2013−2014)
Release date1 January 2008 (16 years ago)27 September 2013 (10 years ago)
Launch price (MSRP)no data$32
Current price$67 $233 (7.3x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core 2 Duo E8400 and Atom Z3740 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)4 (Quad-Core)
Threads24
Base clock speed3 GHz1.33 GHz
Boost clock speed3 GHz1.86 GHz
L1 cache64 KB (per core)64K (per core)
L2 cache6 MB (shared)512K (per core)
L3 cache0 KB0 KB
Chip lithography45 nm22 nm
Die size104 mm2no data
Maximum core temperature72 °C90 °C
Maximum case temperature (TCase)72 °Cno data
Number of transistors410 millionno data
64 bit support++
Windows 11 compatibility--
Unlocked multiplierNoNo
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Duo E8400 and Atom Z3740 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
SocketLGA775UTFCBGA1380
Power consumption (TDP)65 Watt2 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E8400 and Atom Z3740. You'll probably need this information if you require some particular technology.

AES-NI-+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+no data
Demand Based Switching-no data
FSB parity-no data
StatusDiscontinuedDiscontinued

Security technologies

Core 2 Duo E8400 and Atom Z3740 technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data
Secure Keyno data+
Identity Protectionno data+
Anti-Theftno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo E8400 and Atom Z3740 are enumerated here.

VT-d+no data
VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E8400 and Atom Z3740. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR3
Maximum memory sizeno data4 GB
Max memory channelsno data2
Maximum memory bandwidthno data17.1 GB/s
ECC memory supportno data-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)Intel® HD Graphics for Intel Atom® Processor Z3700 Series
Quick Sync Videono data+
Clear Video HDno data+
Graphics max frequencyno data667 MHz

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E8400 and Atom Z3740.

PCIe version2.0no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Benchmark coverage: 68%

Core 2 Duo E8400 1165
+83.8%
Atom Z3740 634

Core 2 Duo E8400 outperforms Atom Z3740 by 84% in Passmark.

Pros & cons summary


Recency 1 January 2008 27 September 2013
Physical cores 2 4
Threads 2 4
Chip lithography 45 nm 22 nm
Power consumption (TDP) 65 Watt 2 Watt

We couldn't decide between Core 2 Duo E8400 and Atom Z3740. We've got no test results to judge.

Note that Core 2 Duo E8400 is a desktop processor while Atom Z3740 is a notebook one.


Should you still have questions on choice between Core 2 Duo E8400 and Atom Z3740, ask them in Comments section, and we shall answer.

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Intel Core 2 Duo E8400
Core 2 Duo E8400
Intel Atom Z3740
Atom Z3740

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Community ratings

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


3.7 2151 vote

Rate Core 2 Duo E8400 on a scale of 1 to 5:

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3.1 37 votes

Rate Atom Z3740 on a scale of 1 to 5:

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Questions & comments

Here you can ask a question about Core 2 Duo E8400 or Atom Z3740, agree or disagree with our judgements, or report an error or mismatch.