Intel Core i7-7740X Intel Core i7-7740X
Intel Core i7-7660U Intel Core i7-7660U
VS

Comparision Intel Core i7-7740X vs Intel Core i7-7660U

Intel Core i7-7740X

WINNER
Intel Core i7-7740X

Rating: 10 points
Intel Core i7-7660U

Intel Core i7-7660U

Rating: 5 points
Grade
Intel Core i7-7740X
Intel Core i7-7660U
Test results
1
0
Technology
4
8
Performance
5
4
Memory specification
3
4
Interfaces and communications
2
8
Main characteristics
6
5

Top specs and features

Passmark test

Intel Core i7-7740X: 10343 Intel Core i7-7660U: 4491

Оценка Cinebench11.5 (одиночный)

Intel Core i7-7740X: 11 Intel Core i7-7660U: 5

Power Consumption (TDP)

Intel Core i7-7740X: 112 W Intel Core i7-7660U: 15 W

Technological process

Intel Core i7-7740X: 14 nm Intel Core i7-7660U: 14 nm

L1 cache size

Intel Core i7-7740X: 128 KB Intel Core i7-7660U: 128 KB

Description

The Intel Core i7-7740X processor runs at 4.3 Hz, the other Intel Core i7-7660U runs at 2.5 Hz. Intel Core i7-7740X is able to accelerate to 4.5 Hz , and the second to 4 Hz. The maximum power consumption for the first processor is 112 W, and for Intel Core i7-7660U 15 W.

In terms of architecture, Intel Core i7-7740X is built using 14 nm technology. Intel Core i7-7660U on the 14 nm architecture.

Relative to processor memory. Intel Core i7-7740X can support DDR4. The maximum supported size is 64 MB. It should be noted that the maximum memory bandwidth is 42. The second processor Intel Core i7-7660U is capable of supporting DDR4. The throughput is 34.1. And the maximum amount of supported RAM is 32 MB.

Graphics. Intel Core i7-7740X has a graphics engine There is no data. The frequency of which is - There is no data MHz. Intel Core i7-7660U received video core Intel Iris Plus 640. Here the frequency is 300 MHz.

How processors perform in benchmarks. In the PassMark benchmark, Intel Core i7-7740X scored 10343. And Intel Core i7-7660U scored 4491 points.

Why Intel Core i7-7740X is better than Intel Core i7-7660U

  • Passmark test 10343 против 4491 , more on 130%
  • L2 cache size 4 MB против 0.5 MB, more on 700%
  • Number of threads 8 против 4 , more on 100%
  • L3 cache size 8 MB против 4 MB, more on 100%
  • Maximum processor frequency 4.5 GHz против 4 GHz, more on 13%
  • Memory bandwidth 42 GB/s против 34.1 GB/s, more on 23%

Intel Core i7-7740X vs Intel Core i7-7660U: highlights

Intel Core i7-7740X
Intel Core i7-7740X
Intel Core i7-7660U
Intel Core i7-7660U
Test results
Passmark test
The PassMark test considers read speed, write speed, and seek time when testing SSD performance.
10343
max 104648
Average: 6033.5
4491
max 104648
Average: 6033.5
Geekbench 5 score (multi-core)
Benchmark in Geekbench 5 that measures the multi-threaded performance of a processor.
4690
max 25920
Average: 5219.2
2024
max 25920
Average: 5219.2
Geekbench score 5
1224
max 2315
Average: 936.8
889
max 2315
Average: 936.8
Cinebench 10 32-bit multi-core benchmark score
28593
max 84673
Average: 1955
14154
max 84673
Average: 1955
3DMark06 CPU benchmark score
9924
max 21654
Average: 3892.6
5358
max 21654
Average: 3892.6
Cinebench 10 32-bit single-core score
7160
max 24400
Average: 3557.7
6324
max 24400
Average: 3557.7
Cinebench 11.5 64-bit multi-core test score
11
max 70
Average: 5.3
4
max 70
Average: 5.3
TrueCrypt AES benchmark score
6
max 35
Average: 3.1
2
max 35
Average: 3.1
X264 encoding pass 2 test score
60
max 274
Average: 33.8
26
max 274
Average: 33.8
X264 encoding pass 1 test score
227
max 411
Average: 117.5
140
max 411
Average: 117.5
WinRAR 4.0 test score
6212
max 17932
Average: 3042.5
max 17932
Average: 3042.5
Cinebench 15 64-bit multi-core test score
959
max 9405
Average: 638.4
414
max 9405
Average: 638.4
Cinebench 15 64-bit single-core test score
190
max 323
Average: 128.5
163
max 323
Average: 128.5
Cinebench 11.5 64-bit single-core test score
Cinebench is a popular benchmark for evaluating the performance of processors and graphics cards. It is used to measure performance in 3D scene rendering and visual effects processing tasks. The results are measured in points. Show more
2
max 4
Average: 1.4
2
max 4
Average: 1.4
Geekbench 3 32-bit multi-core benchmark score
benchmark that measures the multi-threaded performance of a processor.
17639
max 81777
Average: 8130
max 81777
Average: 8130
Geekbench 3 32-bit single-core test score
A benchmark that measures the single-threaded performance of a processor.
4396
max 4982
Average: 2528.7
max 4982
Average: 2528.7
Geekbench 4.0 64-bit multi-core test score
A benchmark that measures the multi-threaded performance of a processor in a 64-bit environment.
17795
max 40853
Average: 11467.2
9176
max 40853
Average: 11467.2
Geekbench 4.0 64-bit single-core test score
Benchmark that measures the single-threaded performance of a processor in a 64-bit environment.
5439
max 6439
Average: 3702.8
4718
max 6439
Average: 3702.8
Technology
AES
Commands designed to speed up encryption and decryption operations using the AES algorithm. They allow processors to process data faster and more efficiently, improving the performance of cryptographic operations. This is especially useful in security systems, network communications and data storage. Show more
Available
Available
Support for Intel Optane memory
A memory technology and type developed by Intel that combines the benefits of fast flash memory with the high capacity of a hard drive.
Available
There is no data
Supports hardware virtualization technology
Hardware virtualization makes it much easier to get high quality images.
Available
Available
Performance
Number of threads
The more threads, the higher the performance of the processor will be, and it will be able to perform several tasks at the same time.
8
max 256
Average: 10.7
4
max 256
Average: 10.7
L1 cache size
large amount of L1 memory accelerates results in the CPU and system performance settings
128 KB
max 6144
Average: 299.3 KB
128 KB
max 6144
Average: 299.3 KB
L2 cache size
An L2 cache with a large amount of scratchpad memory allows you to increase the speed of the processor and the overall performance of the system.
4 MB
max 512
Average: 4.5 MB
0.5 MB
max 512
Average: 4.5 MB
L3 cache size
A large amount of L3 memory accelerates results in the CPU and system performance settings
8 MB
max 768
Average: 16.3 MB
4 MB
max 768
Average: 16.3 MB
Maximum processor frequency
When the processor's speed drops below its limit, it can jump to a higher clock speed to improve performance.
4.5 GHz
max 5.7
Average: 3.2 GHz
4 GHz
max 5.7
Average: 3.2 GHz
Number of Cores
The number of cores in processors indicates the number of independent computing units that can execute tasks in parallel. More cores allow the processor to handle more tasks at once, which improves overall performance and the ability to handle multi-threaded applications. Show more
4
max 72
Average: 5.8
2
max 72
Average: 5.8
CPU base clock speed
4.3 GHz
max 4.7
Average: 2.5 GHz
2.5 GHz
max 4.7
Average: 2.5 GHz
Max. number of PCI Express lanes
The more channels, the greater the bandwidth and the possibility of data transfer between the components of the system. This affects the speed and performance of connected devices such as graphics cards or network adapters. Show more
16
max 64
Average: 22.7
12
max 64
Average: 22.7
Multiplier unlocked
Some processors have an unlocked multiplier, thanks to which they work faster and improve the quality in games and other applications.
Available
Not available
The turbo boost version is newer
Turbo Boost is a technology that allows the processor to operate at a frequency higher than the maximum. This increases its productivity (including when performing complex tasks) Show more
2
max 2
Average: 1.9
2
max 2
Average: 1.9
Number of PCI-Express Lines
16
12
Max. the number of processors in the configuration
1
max 8
Average: 1.3
1
max 8
Average: 1.3
RAM types
Various versions of DDR, such as DDR2, DDR3, DDR4, and DDR5, offer improved features and performance over previous versions, allowing you to work more efficiently with data and improve overall system performance. Show more
4
max 5
Average: 3.5
4
max 5
Average: 3.5
Memory specification
Memory bandwidth
This is the rate at which the device stores or reads information.
42 GB/s
max 352
Average: 41.4 GB/s
34.1 GB/s
max 352
Average: 41.4 GB/s
Memory frequency
RAM may be faster to increase system performance.
2666 MHz
max 4800
Average: 2106.2 MHz
2133 MHz
max 4800
Average: 2106.2 MHz
Max. number of memory channels
The more their number, the higher the data transfer rate from memory to processor
2
max 16
Average: 2.9
2
max 16
Average: 2.9
Max. Memory
The largest amount of RAM memory.
64 GB
max 6000
Average: 404.4 GB
32 GB
max 6000
Average: 404.4 GB
System bus frequency
Data between computer components and other devices is transferred via a bus.
8 GT/s
max 1600
Average: 156.1 GT/s
4 GT/s
max 1600
Average: 156.1 GT/s
ECC memory support
The memory debugging code is used when it is necessary to avoid data corruption during scientific computing or server startup. It finds possible errors and repairs data corruption. Show more
Not available
Not available
Interfaces and communications
Intel® AES-NI Commands
AES is needed to speed up encryption and decryption.
Available
Available
Has f16c
The F16C lets you speed up tasks like adjusting the volume or adjusting the contrast.
Available
Available
Has avx
AVX allows you to increase the speed of calculations in multimedia, financial and scientific applications, and it also improves the performance of Linux RAID. Show more
Available
Available
Has mmx
MMX is needed to speed up tasks such as adjusting the volume and adjusting the contrast.
Available
Available
Has fma3
FMA3 is needed to speed up tasks such as adjusting photo contrast or adjusting sound.
Available
Available
Socket
Connector on the motherboard for installing the processor.
FCLGA2066
FCBGA1356
AMD-V
Support for virtualization and virtual machine execution for security and performance
Available
Available
uses multithreading
The ability to handle multiple tasks at the same time to improve productivity.
Available
Available
Main characteristics
Technological process
The small size of semiconductors means that this is a new generation chip.
14 nm
Average: 36.8 nm
14 nm
Average: 36.8 nm
Power Consumption (TDP)
The heat dissipation requirement (TDP) is the maximum amount of energy that can be dissipated by the cooling system. The lower the TDP, the less power will be consumed. Show more
112 W
Average: 67.6 W
15 W
Average: 67.6 W
PCI Express Edition
High-speed bus for connecting peripherals to a computer. Different versions determine the data transfer rate, and the number (x1, x4, x8, x16) indicates the number of logical lines for data transfer and determines the throughput and capabilities of the devices. Show more
3
max 5
Average: 2.9
3
max 5
Average: 2.9
Embedded options available
Not available
Not available
Cooling system specifications
PCG 2017X
There is no data
Supports 64-bit system
64-bit system, unlike a 32-bit one, can support more than 4 GB of RAM. This increases productivity. It also allows you to run 64-bit applications.
Available
Available
Maximum temperature for processors
If the maximum temperature at which the processor operates is exceeded, a reset may occur.
100 °C
max 110
Average: 96 °C
100 °C
max 110
Average: 96 °C
Architecture codename
Kaby Lake
Kaby Lake
Appointment
Desktop
Mobile
Series
Core i7 (Desktop)
Intel Core i7

FAQ

Can Intel Core i7-7740X and Intel Core i7-7660U work in 4K mode?

Intel Core i7-7740X - There is no data. Intel Core i7-7660U - has.

How many PCIe lanes

Intel Core i7-7740X - 16. Intel Core i7-7660U - 12.

How much RAM does it support?

Intel Core i7-7740X supports 64 GB. Intel Core i7-7660U supports 32GB.

How fast are the processors?

Intel Core i7-7740X operates on 4.3 GHz.5 GHz.

How many cores does the processor have?

Intel Core i7-7740X has 4 cores. Intel Core i7-7660U has 2 cores.

Do processors support ECC memory?

Intel Core i7-7740X - doesn't have. Intel Core i7-7660U - doesn't have.

Does Intel Core i7-7740X have embedded graphics?

Intel Core i7-7740X - There is no data. Intel Core i7-7660U - Intel Iris Plus 640

What kind of RAM is supported

Intel Core i7-7740X supports DDR4. Intel Core i7-7660U supports DDR4.

What is the socket of the processors?

Using FCLGA2066 to set Intel Core i7-7740X. FCBGA1356 is used to set Intel Core i7-7660U.

What architecture do they use?

Intel Core i7-7740X is built on the Kaby Lake architecture. Intel Core i7-7660U is built on the Kaby Lake architecture.

Is the Intel Core i7-7740X CPU multiplier unlocked?

Intel Core i7-7740X - has. Intel Core i7-7660U - doesn't have.

How do processors perform in benchmarks?

According to PassMark, Intel Core i7-7740X scored 10343 points. Intel Core i7-7660U scored 4491 points.

What is the maximum frequency of processors?

Intel Core i7-7740X has a maximum frequency of 4.5 Hz. The maximum frequency of Intel Core i7-7660U reaches 4 Hz.

How much energy do they consume?

The power consumption of Intel Core i7-7740X can be up to 112 Watts. Intel Core i7-7660U has up to 112 Watts.