GadgetVersus Smartphone Processor


Intel Core i5-7640X vs Intel Core i7-5775C


Intel Core i5-7640X on Amazon USA
Intel Core i7-5775C on Amazon USA

Comparison of the technical characteristics between the processors, with the Intel Core i5-7640X on one side and the Intel Core i7-5775C on the other side. The first is dedicated to the desktop sector, It has 4 cores, 4 threads, a maximum frequency of 4.2GHz. The second is used on the desktop segment, it has a total of 4 cores, 8 threads, its turbo frequency is set to 3.7 GHz. The following table also compares the lithography, the number of transistors (if indicated), the amount of cache memory, the maximum RAM memory capacity, the type of memory accepted, the date of first broadcast, the maximum number of PCIe lines, the values ​​obtained in Geekbench 4 and Cinebench R15, as well as an average price.

Specifications:


Processor Intel Core i5-7640X Intel Core i7-5775C
Market Desktop Desktop
Family Kaby Lake Broadwell
Part number(s), S-Spec BX80677I57640X,
BXC80677I57640X,
CM8067702868730,
SR3FR
BX80658I75775C,
CM8065802483301,
SR2AG
Release date Q2 2017 Q2 2015
Lithography 14 nm+ 14 nm
Transistors - 1,500,000,000
Cores 4 4
Threads 4 8
Base frequency 4.0 GHz 3.3 GHz
Turbo frequency 4.2 GHz 3.7 GHz
Cache memory 6 MB 6 MB
Max memory capacity 64 GB 32 GB
Memory types DDR4-2666 DDR3L-1333/1600 @ 1.5V
Max PCIe lanes 16 16
TDP 112 W 65 W
GPU integrated graphics None Intel Iris Pro Graphics 6200
GPU execution units - 48
GPU shading units - 384
GPU clock rate - 850 MHz
GPU FP32 floating point - 163.2 GFLOPS
Socket LGA 2066 LGA 1150
Cinebench R15 single thread 184 153
Cinebench R15 multi-thread 716 770
PassMark single thread 2,460 2,230
PassMark CPU Mark 9,550 10,980
(Windows 64-bit)
Geekbench 4 single core
6,170 4,884
(Windows 64-bit)
Geekbench 4 multi-core
16,878 16,278
(SGEMM)
GFLOPS performance
358.7 GFLOPS 280.7 GFLOPS
(Multi-core / price performance)
Performance / price ratio
54 pts / $ 6 pts / $
(Multi-core / watt performance)
Performance / watt ratio
151 pts / W 250 pts / W
(Multi-core / global cost performance)
Performance / global cost ratio
27 pts / $ 5 pts / $
Note 4.1 / 5 3.6 / 5
Reviews 438 88
Amazon Intel Core i5-7640X Intel Core i7-5775C
(Average)
New price on Amazon
$310 $2,810
(Average)
Used price on Amazon
- $790
eBay Intel Core i5-7640X Intel Core i7-5775C
(Average)
New price on eBay
$310 -
(Average)
Used price on eBay
$180 $250


Price: prices can change over time. For technical reasons, they are not updated in real time. This is only an average of the results on the first page of each product, whether new or used. Shipping costs have not been integrated. To know the final price of the product, please go to the form of the shop. If no price is indicated, it means that we did not find any offers during the last update.

We can better compare what are the technical differences between the two processors. We see that the two processors have an equivalent number of cores, the maximum frequency of Intel Core i5-7640X is greater, that the thermal dissipation power of Intel Core i7-5775C is less. The Intel Core i5-7640X was designed earlier.

Ratios: we first consider the average for the new price if available, the average for the used price otherwise. Performance / global cost ratio: This is the ratio of performance on Geekbench 4, divided by the cost of the product + the cost of electricity over 5 years for a duration of use of 13 hours per day.

Performances :


Performance comparison between the two processors, for this we consider the results generated on benchmark software such as Geekbench 4.


Cinebench R15 - Multi-thread & single thread score
Intel Core i7-5775C 153
770
Intel Core i5-7640X 184
716


In single core, the difference is 20%. In multi-core, the difference in terms of gap is 8%.

Cinebench R15 evaluates the performance of CPU calculations by restoring a photorealistic 3D scene. The scene has 2,000 objects, 300,000 polygons, uses sharp and fuzzy reflections, bright areas, shadows, procedural shaders, antialiasing, and so on. The faster the rendering of the scene is created, the more powerful the PC is, with a high number of points.


PassMark - CPU Mark & single thread
Intel Core i7-5775C 2,230
10,980
Intel Core i5-7640X 2,460
9,550


In single core, the difference is 10%. In multi-core, the difference in terms of gap is 15%.

PassMark is a benchmarking software that performs several performance tests including prime numbers, integers, floating point, compression, physics, extended instructions, encoding, sorting. The higher the score is, the higher is the device capacity.


On Windows 64-bit:

Geekbench 4 - Multi-core & single core score - Windows 64-bit
Intel Core i5-7640X 6,170
16,878
Intel Core i7-5775C 4,884
16,278


In single core, the difference is 26%. In multi-core, the differential gap is 4%.

On Linux 64-bit:

Geekbench 4 - Multi-core & single core score - Linux 64-bit
Intel Core i7-5775C 5,368
18,807
Intel Core i5-7640X 5,241
13,775


In single core, the difference is 2%. In multi-core, the difference in terms of gap is 37%.

On Mac OS X 64-bit:

Geekbench 4 - Multi-core & single core score - Mac OS X 64-bit
Intel Core i7-5775C 4,761
17,496
Intel Core i5-7640X 5,556
16,312


In single core, the difference is 17%. In multi-core, the difference in terms of gap is 7%.

Geekbench 4 is a complete benchmark platform with several types of tests, including data compression, images, AES encryption, SQL encoding, HTML, PDF file rendering, matrix computation, Fast Fourier Transform, 3D object simulation, photo editing, memory testing. This allows us to better visualize the respective power of these devices. For each result, we took an average of 250 values on the famous benchmark software.






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