Core i5-4308U vs Core i5-4278U

Core i5-4308U
Core i5-4278U
2 Cores
4 Threads
2.8GHz Clock
2 Cores
4 Threads
2.6GHz Clock
Socket
BGA 1168
Socket
BGA 1168
iGPU
Iris 5100 1200MHz
iGPU
Iris 5100 1100MHz
GB6S 945
25%
GB6S 915
24%
GB6M 1,865
8%
GB6M 1,805
8%
CB23S - N/A
0%
CB23S - N/A
0%
CB23M - N/A
0%
CB23M - N/A
0%
Manufacturer
Intel
Manufacturer
Intel
Architecture
Haswell
Architecture
Haswell
Family
Core 4th Gen
Family
Core 4th Gen
Instruction Set (ISA)
x86-64
Instruction Set (ISA)
x86-64
Codename
Haswell-ULT
-
Haswell-2C-GT3
-
-
-
-
-
-
Codename
Haswell-ULT
-
Haswell-2C-GT3
-
-
-
-
-
-
Market Segment
Laptop
Market Segment
Laptop
Release Date
7/1/2014
Release Date
7/1/2014
Foundry
Intel
Intel (PCH Die)
-
-
Foundry
Intel
Intel (PCH Die)
-
-
Node
22nm
22nm (PCH Die)
-
-
Node
22nm
22nm (PCH Die)
-
-
Die Size
181 mm²
52 mm² (PCH Die)
-
-
Die Size
181 mm²
52 mm² (PCH Die)
-
-
Transistor Count
1.3 Billion
-
-
-
Transistor Count
1.3 Billion
-
-
-
2 Cores
-
-
-
2 Cores
-
-
-
4 Threads
-
-
-
4 Threads
-
-
-
-
2.8GHz
3.3GHz Boost
-
-
2.6GHz
3.1GHz Boost
-
-
-
-
-
-
-
-
-
-
-
-
-
Overclocking
Locked
-
-
-
Overclocking
Locked
-
-
-
Type
DMI
Type
DMI
-
-
-
-
-
-
-
-
Transfer Rate
5GT/s
Transfer Rate
5GT/s
-
-
-
-
Lanes
4
Lanes
4
Bandwidth
2.5GB/s
Bandwidth
2.5GB/s
Bi-directional
5GB/s
Bi-directional
5GB/s
L0 Instruction
-
-
L0 Instruction
-
-
L0 Data
-
-
L0 Data
-
-
L1 Instruction
32KB/Core
8-way set associative
-
-
-
-
L1 Instruction
32KB/Core
8-way set associative
-
-
-
-
L1 Data
32KB/Core
8-way set associative
-
-
-
-
L1 Data
32KB/Core
8-way set associative
-
-
-
-
L2
256KB/Core
8-way set associative
-
-
-
-
-
-
-
-
-
-
L2
256KB/Core
8-way set associative
-
-
-
-
-
-
-
-
-
-
L3
-
3MB Shared
-
12-way set associative
-
-
-
-
-
L3
-
3MB Shared
-
12-way set associative
-
-
-
-
-
-
-
-
-
-
-
-
-
Channels
2
Channels
2
Max Memory
16GB
Max Memory
16GB
ECC
Not Supported
ECC
Not Supported
Bus Width/Channel
64Bit
Bus Width
128Bit
Bus Width/Channel
64Bit
Bus Width
128Bit
Clock
800MHz
Transfer Rate
1600MT/s
Clock
800MHz
Transfer Rate
1600MT/s
Bandwidth/Channel
12.8GB/s
Bandwidth
25.6GB/s
Bandwidth/Channel
12.8GB/s
Bandwidth
25.6GB/s
TDP
28W
-
-
-
TDP
28W
-
-
-
Temp
100°C Max
-
Temp
100°C Max
-
Included Cooler
Not Included
Included Cooler
Not Included
PCIe 2.0 x12 Lanes
PCIe 2.0 x12 Lanes
Iris 5100 1200MHz
320 Shaders
1200MHz
Iris 5100 1100MHz
320 Shaders
1100MHz
No NPU
-
No NPU
-
-
-
-
-
-
-
-
-
-
-
-
-
No Cellular
No Cellular
Change Results