Intel Core i7-3687U vs Intel Core i7-3820QM

Intel Core i7-3687U
Intel Core i7-3820QM
2 Cores
4 Threads
2.1GHz Clock
4 Cores
8 Threads
2.7GHz Clock
Socket
BGA 1023
Socket
BGA 1224
iGPU
HD 4000 1200MHz
310 GFLOPS FP32
iGPU
HD 4000 1250MHz
320 GFLOPS FP32
CB23S N/A
0%
CB23S N/A
0%
CB23M N/A
0%
CB23M N/A
0%
Manufacturer
Intel
Manufacturer
Intel
Architecture
Ivy Bridge
Architecture
Ivy Bridge
Family
Core 3rd Gen
Family
Core 3rd Gen
Instruction Set (ISA)
x86-64
Instruction Set (ISA)
x86-64
Codename
Ivy Bridge
Ivy Bridge-H-2
Ivy Bridge-2C-GT2
-
-
-
-
-
-
Codename
Ivy Bridge
Ivy Bridge-HE-4
Ivy Bridge-4C-GT2
-
-
-
-
-
-
Market Segment
Laptop
Market Segment
Laptop
Release Date
1/1/2013
Release Date
4/1/2012
Foundry
Intel
-
-
-
Foundry
Intel
-
-
-
Node
22nm
-
-
-
Node
22nm
-
-
-
Die Size
118 mm²
-
-
-
Die Size
160 mm²
-
-
-
Transistor Count
945 Million
-
-
-
Transistor Count
1.4 Billion
-
-
-
2 Cores
-
-
-
4 Cores
-
-
-
4 Threads
-
-
-
8 Threads
-
-
-
-
2.1GHz
3.3GHz Boost
-
-
2.7GHz
3.7GHz 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
-
12-way set associative
-
-
-
-
-
L3
-
8MB Shared
-
16-way set associative
-
-
-
-
-
-
-
-
-
-
-
-
-
Channels
2
Channels
2
Max Memory
32GB
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
17W
-
-
-
TDP
45W
-
-
-
Temp
105°C Max
-
Temp
105°C Max
-
Included Cooler
Not Included
Included Cooler
Not Included
PCIe 2.0 x16 Lanes
PCIe 3.0 x16 Lanes
HD 4000 1200MHz
128 Shaders
1200MHz
310 GFLOPS FP32
HD 4000 1250MHz
128 Shaders
1250MHz
320 GFLOPS FP32
No NPU
-
No NPU
-
-
-
-
-
-
-
-
-
-
-
No Cellular
No Cellular
Change Comparison