CPUs

Intel Core i5-7640X vs Intel Core i7-7740X Full Specs

4 Cores
4 Threads
4GHz
4 Cores
8 Threads
4.3GHz
TDP
112W
TDP
112W
Bandwidth
38.4GB/s
·
Bandwidth
38.4GB/s
·
iGPU
0
iGPU
0
Socket
Socket

Core i5-7640XCore i5-7640X1,710
x1.10
Core i7-7740XCore i7-7740X1,550
x1

4 Cores
4 Cores
4 Threads
8 Threads

Base Clock
4GHz
Base Clock
4.3GHz
Boost Clock
4.2GHz
Boost Clock
4.5GHz
Overclocking
Unlocked
Overclocking
Unlocked

L1i
32KB
L1i
32KB
L1d
32KB
L1d
32KB
L2
256KB
L2
256KB
L3
6MB
L3
8MB

Type
·
Type
·
Max Memory
64GB
Max Memory
64GB
ECC
No
ECC
No
Channels
2
Channels
2
Bus Width
128-bit
Bus Width
128-bit
Speed
2400MT/s
Speed
2400MT/s
Bandwidth
38.4GB/s
Bandwidth
38.4GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
38.4GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
38.4GB/s

TDP
112W
TDP
112W
Max Operating Temp
100°C Max
Max Operating Temp
100°C Max
Included Cooler
0
Included Cooler
0

Bus Type
DMI
Bus Type
DMI
Bus Config
4 lanes
Bus Config
4 lanes
Bus Speed
8GT/s
Bus Speed
8GT/s
Bus Bandwidth
4GB/s
Bus Bandwidth
4GB/s

PCIe
PCIe 3.0 x16
15.8GB/sBandwidth
PCIe
PCIe 3.0 x16
15.8GB/sBandwidth

Manufacturer
Manufacturer
ISA
x86-64
ISA
x86-64
Architecture
Architecture
Family
Family
Branding
Core i5 X 2016 branding
Branding
Core i7 X 2016 branding
Codename
Kaby Lake-G
Kaby Lake-4C-GT2Variant
Codename
Kaby Lake-G
Kaby Lake-4C-GT2Variant
Market Segment
Desktop
Market Segment
Desktop
Release Date
Jun 26, 2017
Release Date
Jun 26, 2017

Foundry
Intel
Foundry
Intel
Fabrication Node
14nm++
Fabrication Node
14nm++
Die Size
125mm²
Die Size
125mm²
Transistor Count
2.1 Billion
Transistor Count
2.1 Billion
Transistor Density
17 MTr/mm²
Transistor Density
17 MTr/mm²

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