Athlon X2 450 vs Athlon X4 840
Athlon X2 450
Athlon X4 840
1 Core
2 Threads
3.5GHz Clock
|
2 Cores
4 Threads
3.1GHz Clock
|
Socket
AM1
|
Socket
FM2+
|
iGPU
No GPU
|
iGPU
No GPU
|
GB6S 410
11%
|
GB6S 445
12%
|
GB6M 575
2%
|
GB6M 1,105
5%
|
CB23S - N/A
0%
|
CB23S - N/A
0%
|
CB23M - N/A
0%
|
CB23M - N/A
0%
|
Manufacturer
AMD
|
Manufacturer
AMD
|
Architecture
Steamroller
|
Architecture
Steamroller
|
Family
Athlon
|
Family
Athlon
|
Instruction Set (ISA)
x86-64
|
Instruction Set (ISA)
x86-64
|
Codename
Kaveri
-
-
-
-
-
-
-
-
|
Codename
Kaveri
-
-
-
-
-
-
-
-
|
Market Segment
Desktop
|
Market Segment
Desktop
|
Release Date
7/31/2014
|
Release Date
8/1/2014
|
Foundry
GlobalFoundries
-
-
-
|
Foundry
GlobalFoundries
-
-
-
|
Node
28nm
-
-
-
|
Node
28nm
-
-
-
|
Die Size
245 mm²
-
-
-
|
Die Size
245 mm²
-
-
-
|
Transistor Count
2.4 Billion
-
-
-
|
Transistor Count
2.4 Billion
-
-
-
|
1 Core
-
-
-
|
2 Cores
-
-
-
|
2 Threads
-
-
-
|
4 Threads
-
-
-
|
-
3.5GHz
3.9GHz Boost
-
|
-
3.1GHz
3.8GHz Boost
-
|
-
-
-
|
-
-
-
|
-
-
-
|
-
-
-
|
Overclocking
Locked
-
-
-
|
Overclocking
Locked
-
-
-
|
Type
UMI
|
Type
UMI
|
-
-
|
-
-
|
-
-
|
-
-
|
Transfer Rate
4GT/s
|
Transfer Rate
4GT/s
|
-
-
|
-
-
|
Lanes
4
|
Lanes
4
|
Bandwidth
2GB/s
|
Bandwidth
2GB/s
|
Bi-directional
4GB/s
|
Bi-directional
4GB/s
|
L0 Instruction
-
-
|
L0 Instruction
-
-
|
L0 Data
-
-
|
L0 Data
-
-
|
L1 Instruction
96KB/Core
3-way set associative
-
-
-
-
|
L1 Instruction
96KB/Core
3-way set associative
-
-
-
-
|
L1 Data
16KB/Core
4-way set associative
-
-
-
-
|
L1 Data
16KB/Core
4-way set associative
-
-
-
-
|
L2
1024KB/Core
16-way set associative
-
-
-
-
-
-
-
-
-
-
|
L2
2048KB/Core
16-way set associative
-
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
-
|
-
-
-
-
|
-
-
-
-
|
Channels
2
|
Channels
2
|
Max Memory
32GB
|
Max Memory
64GB
|
ECC
Not Supported
|
ECC
Not Supported
|
Bus Width/Channel
64Bit
Bus Width
128Bit
|
Bus Width/Channel
64Bit
Bus Width
128Bit
|
Clock
933MHz
Transfer Rate
1866MT/s
|
Clock
1067MHz
Transfer Rate
2133MT/s
|
Bandwidth/Channel
14.9GB/s
Bandwidth
29.9GB/s
|
Bandwidth/Channel
17.1GB/s
Bandwidth
34.1GB/s
|
TDP
65W
-
-
-
|
TDP
65W
-
-
-
|
-
-
-
|
-
-
-
|
Included Cooler
Not Included
|
Included Cooler
Not Included
|
PCIe 3.0 x20 Lanes
|
PCIe 3.0 x20 Lanes
|
No GPU
-
-
|
No GPU
-
-
|
No NPU
-
|
No NPU
-
|
-
-
|
-
-
|
-
-
|
-
-
|
-
-
|
-
-
|
No Cellular
|
No Cellular
|
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