Intel Core i7-4650U vs Intel Core i7-3840QM
Intel Core i7-4650U
$454
Intel Core i7-3840QM
|
2 Cores
4 Threads
1.7GHz Clock
|
4 Cores
8 Threads
2.8GHz Clock
|
|
Socket
BGA 1168
|
Socket
PGA 988
|
|
iGPU
HD 5000 1100MHz
700 GFLOPS FP32
|
iGPU
HD 4000 1300MHz
330 GFLOPS FP32
|
GB6 Single-Core
|
|
Core i7-4650U - GB6S 835
x1.36
Core i7-3840QM - GB6S 615
x1
GB6 Multi-Core
|
|
Core i7-4650U - GB6M 1,480
x1
Core i7-3840QM - GB6M 2,050
x1.39
|
|
Core i7-4650U - 25.6GB/s
x1
Core i7-3840QM - 25.6GB/s
x1
|
|
Core i7-4650U - 15W
x1
Core i7-3840QM - 45W
x3
|
|
Core i7-4650U - 700 GFLOPS FP32
x2.12
Core i7-3840QM - 330 GFLOPS FP32
x1
|
GB6S 835
21%
|
GB6S 615
15%
|
|
GB6M 1,480
6%
|
GB6M 2,050
8%
|
|
0%
|
0%
|
|
0%
|
0%
|
|
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-HE-4
Ivy Bridge-4C-GT2
|
|
Market Segment
Laptop
|
Market Segment
Laptop
|
|
Release Date
6/1/2013
|
Release Date
9/1/2012
|
|
Foundry
Intel
Intel (PCH Die)
|
Foundry
Intel
-
|
|
Node
22nm
22nm (PCH Die)
|
Node
22nm
-
|
|
Die Size
181 mm²
52 mm² (PCH Die)
|
Die Size
160 mm²
-
|
|
Transistor Count
1.3 Billion
|
Transistor Count
1.4 Billion
|
|
2 Cores
|
4 Cores
|
|
4 Threads
|
8 Threads
|
|
1.7GHz
3.3GHz Boost
|
2.8GHz
3.8GHz 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
|
|
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
8MB Shared
16-way set associative
|
|
Channels
2
|
Channels
2
|
|
Max Memory
16GB
16GB
|
Max Memory
32GB
32GB
|
|
ECC
Not Supported
|
ECC
Not Supported
|
|
Bus Width/Channel
64Bit
Bus Width
128Bit
|
Bus Width/Channel
64Bit
Bus Width
128Bit
|
|
Clock
800MHz
800MHz
Transfer Rate
1600MT/s
1600MT/s
|
Clock
800MHz
800MHz
Transfer Rate
1600MT/s
1600MT/s
|
|
Bandwidth/Channel
12.8GB/s
12.8GB/s
Bandwidth
25.6GB/s
25.6GB/s
|
Bandwidth/Channel
12.8GB/s
12.8GB/s
Bandwidth
25.6GB/s
25.6GB/s
|
|
TDP
15W
|
TDP
45W
|
|
Temp
100°C Max
|
Temp
105°C Max
|
|
Included Cooler
|
Included Cooler
|
|
PCIe 2.0 x12 Lanes
|
PCIe 3.0 x16 Lanes
|
|
HD 5000 1100MHz
320 Shaders
1100MHz
700 GFLOPS FP32
|
HD 4000 1300MHz
128 Shaders
1300MHz
330 GFLOPS FP32
|
|
No NPU
|
No NPU
|
|
No Cellular
|
No Cellular
|
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