Intel Core i7-4771 vs Intel Core i7-4790T
Intel Core i7-4771
$320
Intel Core i7-4790T
$303
|
4 Cores
8 Threads
3.5GHz Clock
|
4 Cores
8 Threads
2.7GHz Clock
|
|
Socket
LGA 1150
|
Socket
LGA 1150
|
|
iGPU
HD 4600 1200MHz
380 GFLOPS FP32
|
iGPU
HD 4600 1200MHz
380 GFLOPS FP32
|
GB6 Multi-Core
|
|
Core i7-4771 - GB6M 3,880
x1.09
Core i7-4790T - GB6M 3,570
x1
|
|
Core i7-4771 - 84W
x1.87
Core i7-4790T - 45W
x1
|
GB6S 1,220
30%
|
GB6S 1,225
30%
|
|
GB6M 3,880
15%
|
GB6M 3,570
13%
|
|
0%
|
0%
|
|
0%
|
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-DT
Haswell-4C-GT2
|
Codename
Haswell-DT
Haswell-4C-GT2
|
|
Market Segment
Desktop
|
Market Segment
Desktop
|
|
Release Date
9/1/2013
|
Release Date
5/1/2014
|
|
Foundry
Intel
|
Foundry
Intel
|
|
Node
22nm
|
Node
22nm
|
|
Die Size
177 mm²
|
Die Size
177 mm²
|
|
Transistor Count
1.4 Billion
|
Transistor Count
1.4 Billion
|
|
4 Cores
|
4 Cores
|
|
8 Threads
|
8 Threads
|
|
3.5GHz
3.9GHz Boost
|
2.7GHz
3.9GHz 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
8MB Shared
16-way set associative
|
L3
8MB Shared
16-way set associative
|
|
Channels
2
|
Channels
2
|
|
Max Memory
32GB
32GB
|
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
84W
|
TDP
45W
|
|
Temp
72°C TCase
|
Temp
71°C TCase
|
|
Included Cooler
|
Included Cooler
|
|
PCIe 3.0 x16 Lanes
|
PCIe 3.0 x16 Lanes
|
|
HD 4600 1200MHz
160 Shaders
1200MHz
380 GFLOPS FP32
|
HD 4600 1200MHz
160 Shaders
1200MHz
380 GFLOPS FP32
|
|
No NPU
|
No NPU
|
|
No Cellular
|
No Cellular
|
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