Product Comparison: Intel Core i7-740QM vs Intel Core i7-840QM


Intel Core i7-740QM CPU Processor
Best Pick
Intel Core i7-840QM CPU Processor
Check Price
Check Price
General Specifications
Brand
Intel
Intel
Model
Core i7-740QM
Core i7-840QM
Origin
China
China
About the Product
Intel Core i7-740QM is a processor for laptops. It has 4 cores and 8 threads and is manufactured using a 45 nm process technology. The clock frequency is 1.73GHz, the maximum frequency is 2.93GHz. The processor has a L3 cache size of 6MB. There is no integrated graphics core.
Intel Core i7-840QM is a mobile processor based on Clarksfield architecture. CPU has 4 cores and 8 threads and is manufactured using a 45 nm process technology. The clock frequency is 1.86GHz, the maximum frequency is 3.2GHz. The processor is suitable for PGA988 socket and supports DDR3 memory.
Package Size
Height
1.45 in.
1.45 in.
Width
1.45 in.
1.45 in.
Depth
0.15 in.
0.15 in.
Weight
0.5 lbs.
0.5 lbs.
Details
Socket
PGA988
PGA988
Lithography
45 nm
45 nm
Type of Processors
Mobile
Mobile
Code Name
Clarksfield
Clarksfield
What customers say about "Details"
Intel Core i7-740QM CPU Processor
  • Worked just fine, very easy to install this processor.
  • Overall I am happy with this CPU. The installation was quick.
  • Thanks to Intel for such a processor. I am satisfied. Convenient socket.
  • I will recommend this processor to my friends. Nice socket and quick to install.
  • I didn't understand the installation right away, I had to read the instructions so as not to bend the pins.
Intel Core i7-840QM CPU Processor
  • No issues, quick install to motherboard socket. I recommend.
  • I like this chip. It fixed well on the socket.
  • Standard socket, installed processors in it before. Simple and fast.
  • Simple processor installation. I did it in a few minutes.
  • Install the processor carefully so as not to bend the pins. It is not so easy.
Technical Specifications
CPU Cores
4
4
CPU Threads
8
8
Turbo Clock Speed
2.93 GHz
3.2 GHz
Max TDP
45 W
45 W
Max Temperature
100 °C
100 °C
Data Width
64 bits
64 bits
Virtualization Technology
Yes
Yes
Clock Speed
1.86 GHz
What customers say about "Technical Specifications"
Intel Core i7-740QM CPU Processor
  • Now with this processor, I can run many games that I have not run before.
  • This is an interesting quad core processor. Performs tasks quickly.
  • If you want it can be overclocked to 3GHz and it will work stably.
  • Cool little processor for work. Fast enough.
  • This processor burned out after a few months of use. I don't know what the mistake was.
Intel Core i7-840QM CPU Processor
  • If you are into playing games, and drafting, you can't go wrong with this CPU.
  • It run fast, steady, and cool. I am very glad I bought this processor.
  • I think everyone will love this processor. It is fast and overclock.
  • The processor has a good operating frequency. At 3.2GHz it works stably.
  • I have had this processor for a long time. It is still fast and powerful.
Cache And Memory Specifications
L1 Cache Size
256 kB
256 kB
L2 Cache Size
1024 kB
1024 kB
L3 Cache Size
6000 kB
8000 kB
Max Memory Size
8 GB
8 GB
Memory Types
DDR3
DDR3
Max Memory Channels
2
2
Max Memory Bandwidth
21 GB/s
21 GB/s
What customers say about "Cache And Memory Specifications"
Intel Core i7-740QM CPU Processor
  • The process has a nice advantage: it has a cool cache size.
  • I have 4GB of RAM in my laptop, the processor is fast.
  • It has a really good L3 cache size. I am happy with my choice.
  • This processor has good bandwidth. Fast enough.
  • It only supports 8GB of RAM. This is not as much as I would like.
Intel Core i7-840QM CPU Processor
  • I like this chip from Intel. 8MB cache is cool.
  • The processor works stably with 8GB DDR3 1066. I recommend it.
  • Great processor, seriously. The size of the cache is what I wanted.
  • The processor easily performs several tasks at once, it has a good cache size.
  • The processor can work well only with a maximum 8MB of RAM, this is not enough.
Supported Technologies
Execute Disable Bit / Virus Protection
Yes
Yes
Turbo Boost / Turbo Core
Yes
Yes
Enhanced SpeedStep / PowerNow!
Yes
Yes
Hyper-Threading / HyperTransport
Yes
Yes
Warranty / Certifications
Manufacturer Warranty
3 year(s)
3 year(s)
Certifications
CE, FCC
CE, FCC
Other Information
Manufacturer
Link
Link

Popular Comparisons

Intel Pentium E2160 Intel Pentium E2160
vs
Intel Pentium 4 531 Intel Pentium 4 531
vs
Intel Pentium E2140 Intel Pentium E2140
vs
Intel Pentium 4 630 Intel Pentium 4 630
vs
AMD EPYC 7351P AMD EPYC 7351P
vs
Intel Core i5-9400 Intel Core i5-9400
vs
AMD EPYC 7551P AMD EPYC 7551P
vs
Intel Core i7-950 Intel Core i7-950
vs
Intel Core i9-7940X Intel Core i9-7940X
vs
Intel Core i7-8700K Intel Core i7-8700K
vs
Intel Core i7-4790K Intel Core i7-4790K
vs
Intel Xeon E5-2620 v2 Intel Xeon E5-2620 v2
vs
Intel Core i7-6850K Intel Core i7-6850K
vs
Intel Xeon E5-2690 v3 Intel Xeon E5-2690 v3
vs
Intel Core i7-4770K Intel Core i7-4770K
vs
Other reviews
✕