Product Comparison: Intel Core i7-7740X vs Intel Core i7-7700K


General Specifications
Brand
Intel
Intel
Model
Core i7-7740X
Core i7-7700K
Origin
China
China
About the Product
The Intel Core i7-7740X processor is designed for office and gaming computers. It supports 64GB DDR3 memory. The clock frequency is 4.3GHz and the maximum frequency is 4.5GHz. The processor has 4 cores and 8 threads. The L3 cache size is 8 MB.
Intel Core i7-7700K is manufactured according to the 14 nm process technology, has 4 cores that operate in 8 threads with a nominal clock frequency of 4.2 GHz, 4.5 GHz in Turbo Boost mode. The L3 cache is 8 MB. Has a 2 channel DDR4 memory controller and an unlocked multiplier.
Package Size
Height
4.6 in.
4.57 in.
Width
4 in.
3.98 in.
Depth
2.05 in.
2.76 in.
Weight
1.1 lbs.
1.12 lbs.

Intel Core i7-7740X

Intel Core i7-7700K

Intel Core i7-7740X

Intel Core i7-7700K

Intel Core i7-7740X

Intel Core i7-7700K

Details
Socket
FCLGA2066
FCLGA1151
Lithography
14 nm
14 nm
Type of Processors
Desktop
Desktop
Code Name
Kaby Lake
Kaby Lake
What customers say about "Details"
Intel Core i7-7740X CPU Processor
  • It was pretty easy to install.
  • I installed it in over 5 minutes now, so far no problems everything works perfectly.
  • Cool processor. Installed quickly. Highly recommend.
  • Install this carefully. It will not be so easy and it will be very sad to break it.
Intel Core i7-7700K Desktop Processor
  • I like it very much. This is the fastest CPU that will fit in my Gigabyte Z170x Gaming 5.
  • The I7 7700k is a great CPU. Great socket. Easy to install.
  • Socketed in and started up, no issues whatsoever.
  • The 7th gen processors are so easy to set in place. I love the spring contacts on the sockets for them.
  • If you aren't planning using Windows 10 - Kaby Lake will not support previous versions of Windows natively.
Technical Specifications
CPU Cores
4
4
CPU Threads
8
8
Clock Speed
4.3 GHz
4.2 GHz
Turbo Clock Speed
4.5 GHz
4.5 GHz
Max TDP
112 W
91 W
Max Temperature
100 °C
100 °C
Data Width
64 bits
64 bits
Virtualization Technology
Yes
Yes

Intel Core i7-7740X

Intel Core i7-7700K

Intel Core i7-7740X

Intel Core i7-7700K

Intel Core i7-7740X

Intel Core i7-7700K

Intel Core i7-7740X

Intel Core i7-7700K

Intel Core i7-7740X

Intel Core i7-7700K

What customers say about "Technical Specifications"
Intel Core i7-7740X CPU Processor
  • This processor is a beast. The most powerful I've had.
Intel Core i7-7700K Desktop Processor
  • Overclocks just fine from 4.2 GHz to 4.5.
  • The i7-7700K can be overclocked to a stable 5.1GHz with water cooling.
  • The i7-7700K first off very noticeably faster than my previous i5, I use this in my gaming build which I paired with an ASUS GTX 1080.
  • Performance on this CPU is great.
  • This is a great CPU for both gaming and productivity.
Cache And Memory Specifications
L1 Cache Size
256 kB
128 kB
L2 Cache Size
1024 kB
1000 kB
L3 Cache Size
8000 kB
8000 kB
Max Memory Size
64 GB
64 GB
Memory Types
DDR4
DDR4
Max Memory Channels
2
2
Max Memory Bandwidth
42 GB/s
38.4 GB/s

Intel Core i7-7740X

Intel Core i7-7700K

Intel Core i7-7740X

Intel Core i7-7700K

What customers say about "Cache And Memory Specifications"
Intel Core i7-7740X CPU Processor
  • This incredible processor works great with DDR4-2666, no problem.
  • I installed myself 32GB of RAM. This is not a problem for such a processor. Super.
  • Awesome cache size. The processor is very powerful.
Intel Core i7-7700K Desktop Processor
  • Super fast and works perfectly with my Asus Maximus IX motherboard and G.Skill 3600 Memory.
  • Paired the 7700k with an Asus Apex using Trident Z memory. Great performance.
  • There are no problems with memory compatibility.
  • The memory runs great at full speed with this processor.
  • Unfortunately the maximum amount of memory is 64GB, which is not enough for my needs.
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
Graphics Specifications
DirectX* Support
12
Graphics Output
eDP/DP/HDMI
Graphics Video Max Memory
64 GB
Graphics Max Dynamic Frequency
1150 MHz
Graphics Base Frequency
350 MHz
Processor Graphics
Intel HD Graphics 630


Other reviews