CPUs

Intel Core i5-4278U vs Intel Core i7-4770HQ Full Specs

2 Cores
4 Threads
2.6GHz
4 Cores
8 Threads
2.2GHz
TDP
28W
TDP
47W
Bandwidth
25.6GB/s
·
Bandwidth
25.6GB/s
DDR3L
iGPU
iGPU
··
704 GFLOPSFP32
··
768 GFLOPSFP32
Socket
Socket

2 Cores
4 Cores
4 Threads
8 Threads

Base Clock
2.6GHz
Base Clock
2.2GHz
Boost Clock
3.1GHz
Boost Clock
3.4GHz
Overclocking
Locked
Overclocking
Locked

L1i
32KB
L1i
32KB
L1d
32KB
L1d
32KB
L2
256KB
L2
256KB
L3
3MB
L3
6MB
L4 Cache
-
L4 Cache
128MB

Type
·
Type
DDR3L
Max Memory
16GB
Max Memory
32GB
ECC
No
ECC
No
Channels
2
Channels
2
Bus Width
128-bit
Bus Width
128-bit
Speed
1600MT/s
Speed
1600MT/s
Bandwidth
25.6GB/s
Bandwidth
25.6GB/s
Bandwidth Calculator
Channels
Transfer Rate
··
25.6GB/s
Bandwidth Calculator
Channels
Transfer Rate
··
25.6GB/s

TDP
28W
TDP
47W
Max Operating Temp
100°C Max
Max Operating Temp
-

Bus Type
DMI
Bus Type
DMI
Bus Config
4 lanes
Bus Config
4 lanes
Bus Speed
5GT/s
Bus Speed
5GT/s
Bus Bandwidth
2.5GB/s
Bus Bandwidth
2.5GB/s

PCIe
PCIe 2.0 x12
6GB/sBandwidth
PCIe
PCIe 3.0 x16
15.8GB/sBandwidth

iGPU
iGPU
Shaders
320
Shaders
320
Boost Clock
1.1GHz
Boost Clock
1.2GHz
··
704 GFLOPSFP32
··
768 GFLOPSFP32

Controller Model
8 Series LP+
Controller Model
-
Codename
Lynx Point-LP
Codename
-
PCIe
-
PCIe
-

Manufacturer
Manufacturer
ISA
x86-64
ISA
x86-64
Architecture
Architecture
Family
Family
Branding
Core i5 2013 branding
Branding
Core i7 2013 branding
Codename
Haswell-ULT
Haswell-2C-GT3Variant
Codename
Crystalwell
-
Market Segment
Laptop
Market Segment
Laptop
Release Date
Jul 1, 2014
Release Date
Jul 1, 2014

Foundry
Intel
Foundry
Intel
Other Foundries
-
IntelPCH
Other Foundries
InteleDRAM
-
Fabrication Node
22nm
-
22nmPCH
Fabrication Node
22nm
22nmeDRAM
-
Die Size
181mm²
-
52mm²PCH
Die Size
260mm²
77mm²eDRAM
-
Transistor Count
1.3 Billion
Transistor Count
1.7 Billion
Transistor Density
7 MTr/mm²
Transistor Density
7 MTr/mm²