Intel Core i5-4288U vs Intel Core i5-3427U

Intel Core i5-4288U $342
Intel Core i5-3427U $225
2 Cores
4 Threads
2.6GHz Clock
2 Cores
4 Threads
1.8GHz Clock
Socket
BGA 1168
Socket
BGA 1023
iGPU
Iris 5100 1200MHz
770 GFLOPS FP32
iGPU
HD 4000 1150MHz
290 GFLOPS FP32

GB6 Single-Core

  • 2.13x faster vs Core i5-3427U
  • 53% slower vs Core i5-4288U
Core i5-4288U - GB6S 905
x2.13
Core i5-3427U - GB6S 425
x1

GB6 Multi-Core

  • 99% faster vs Core i5-3427U
  • 50% slower vs Core i5-4288U
Core i5-4288U - GB6M 1,740
x1.99
Core i5-3427U - GB6M 875
x1
  • Same Performance vs Core i5-3427U
  • Same Performance vs Core i5-4288U
Core i5-4288U - 25.6GB/s
x1
Core i5-3427U - 25.6GB/s
x1
  • 65% higher vs Core i5-3427U
  • 39% lower vs Core i5-4288U
Core i5-4288U - 28W
x1.65
Core i5-3427U - 17W
x1
  • 2.66x faster vs Core i5-3427U
  • 62% slower vs Core i5-4288U
Core i5-4288U - 770 GFLOPS FP32
x2.66
Core i5-3427U - 290 GFLOPS FP32
x1
Manufacturer
Intel
Manufacturer
Intel
Architecture
Haswell
Architecture
Ivy Bridge
Family
Core 4th Gen
Family
Core 3rd Gen
Instruction Set (ISA)
x86-64
Instruction Set (ISA)
x86-64
Codename
Haswell-ULT
-
Haswell-2C-GT3
Codename
Ivy Bridge
Ivy Bridge-H-2
Ivy Bridge-2C-GT2
Market Segment
Laptop
Market Segment
Laptop
Release Date
6/1/2013
Release Date
6/1/2012
Foundry
Intel
Intel (PCH Die)
Foundry
Intel
-
Node
22nm
22nm (PCH Die)
Node
22nm
-
Die Size
181 mm²
52 mm² (PCH Die)
Die Size
118 mm²
-
Transistor Count
1.3 Billion
Transistor Count
945 Million
2 Cores
2 Cores
4 Threads
4 Threads
2.6GHz
3.1GHz Boost
1.8GHz
2.8GHz 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
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
32GB
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
17W
Temp
100°C Max
Temp
105°C Max
PCIe 2.0 x12 Lanes
PCIe 2.0 x16 Lanes
Iris 5100 1200MHz
320 Shaders
1200MHz
770 GFLOPS FP32
HD 4000 1150MHz
128 Shaders
1150MHz
290 GFLOPS FP32
No NPU
No NPU
No Cellular
No Cellular
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