VIA Nano QuadCore L4700 vs i7-840QM

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Primary details

Comparing Core i7-840QM and VIA Nano QuadCore L4700 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2308not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i7VIA
Power efficiency2.59no data
Architecture codenameClarksfield (2009−2010)CNQ (2011)
Release date20 June 2010 (14 years ago)17 May 2011 (13 years ago)
Launch price (MSRP)$568no data

Detailed specifications

Core i7-840QM and VIA Nano QuadCore L4700 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)4 (Quad-Core)
Threads84
Base clock speed1.86 GHz1.2 GHz
Boost clock speed3.2 GHz1.46 GHz
Bus typeDMI 1.0no data
Bus rate2.5 GT/s1333 MHz
Multiplier14no data
L1 cache64 KB (per core)512 KB
L2 cache256 KB (per core)4 MB
L3 cache8 MB (shared)no data
Chip lithography45 nm40 nm
Die size296 mm2132 mm2
Maximum core temperature100 °Cno data
Number of transistors774 millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i7-840QM and VIA Nano QuadCore L4700 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)no data
SocketFCPGA988,PGA988BGA
Power consumption (TDP)45 Watt27.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-840QM and VIA Nano QuadCore L4700. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2no data
vPro+no data
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology+no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
PAE36 Bitno data

Security technologies

Core i7-840QM and VIA Nano QuadCore L4700 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 i7-840QM and VIA Nano QuadCore L4700 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-840QM and VIA Nano QuadCore L4700. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3no data
Maximum memory size8 GBno data
Max memory channels2no data
Maximum memory bandwidth21.335 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardNoneno data

Peripherals

Specifications and connection of peripherals supported by Core i7-840QM and VIA Nano QuadCore L4700.

PCIe version2no data
PCI Express lanes16no 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.



3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

i7-840QM 3532
+119%
VIA Nano QuadCore L4700 1615

Pros & cons summary


Recency 20 June 2010 17 May 2011
Threads 8 4
Chip lithography 45 nm 40 nm
Power consumption (TDP) 45 Watt 27 Watt

i7-840QM has 100% more threads.

VIA Nano QuadCore L4700, on the other hand, has an age advantage of 10 months, a 12.5% more advanced lithography process, and 66.7% lower power consumption.

We couldn't decide between Core i7-840QM and VIA Nano QuadCore L4700. We've got no test results to judge.


Should you still have questions on choice between Core i7-840QM and VIA Nano QuadCore L4700, ask them in Comments section, and we shall answer.

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Intel Core i7-840QM
Core i7-840QM
VIA Nano QuadCore L4700
Nano QuadCore L4700

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Community ratings

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4.2 80 votes

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2 4 votes

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Questions & comments

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