Core i7-4558U vs Core i7-4950HQ

Core i7-4558U
Core i7-4950HQ
2 Cores
4 Threads
2.8GHz Clock
4 Cores
8 Threads
2.4GHz Clock
Socket
BGA 1168
Socket
BGA 1364
iGPU
Iris 5100 1200MHz
iGPU
Iris Pro 5200 1300MHz
GB6S 1,040
28%
GB6S 1,150
31%
GB6M 1,965
8%
GB6M 3,750
16%
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
Crystalwell
-
-
-
-
-
-
-
-
Market Segment
Laptop
Market Segment
Laptop
Release Date
6/1/2013
Release Date
6/1/2013
Foundry
Intel
Intel (PCH Die)
-
-
Foundry
Intel
Intel (eDRAM Die)
-
-
Node
22nm
22nm (PCH Die)
-
-
Node
22nm
22nm (eDRAM Die)
-
-
Die Size
181 mm²
52 mm² (PCH Die)
-
-
Die Size
260 mm²
77 mm² (eDRAM Die)
-
-
Transistor Count
1.3 Billion
-
-
-
Transistor Count
1.7 Billion
-
-
-
2 Cores
-
-
-
4 Cores
-
-
-
4 Threads
-
-
-
8 Threads
-
-
-
-
2.8GHz
3.3GHz Boost
-
-
2.4GHz
3.6GHz 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
-
4MB Shared
-
16-way set associative
-
-
-
-
-
L3
-
6MB Shared
-
12-way set associative
-
-
-
-
-
-
-
-
-
L4
128MB Shared
-
-
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
47W
-
-
-
Temp
100°C Max
-
-
-
-
Included Cooler
Not Included
Included Cooler
Not Included
PCIe 2.0 x12 Lanes
PCIe 3.0 x16 Lanes
Iris 5100 1200MHz
320 Shaders
1200MHz
Iris Pro 5200 1300MHz
320 Shaders
1300MHz
No NPU
-
No NPU
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-
-
-
-
-
-
-
-
-
-
-
-
No Cellular
No Cellular
Change Results