AMD Phenom II X2 B55 | AMD Athlon II X4 750K | |
CPU comparisonIn this CPU comparison, we compare the AMD Phenom II X2 B55 and the AMD Athlon II X4 750K and use benchmarks to check which processor is faster.
We compare the AMD Phenom II X2 B55 2 core processor released in Q4/2009 with the AMD Athlon II X4 750K which has 4 CPU cores and was introduced in Q4/2012. |
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AMD Phenom II (52) | Family | AMD Athlon II (52) |
AMD Phenom II - 545 (9) | CPU group | AMD Athlon II X4 (Trinity) (2) |
2 | Generation | 3 |
Callisto (K10) | Architecture | Trinity |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Phenom II X2 B55 is a 2 core processor with a clock frequency of 3.00 GHz. The processor can compute 2 threads at the same time. The AMD Athlon II X4 750K clocks with 3.40 GHz (4.00 GHz), has 4 CPU cores and can calculate 4 threads in parallel. |
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AMD Phenom II X2 B55 | Characteristic | AMD Athlon II X4 750K |
2 | Cores | 4 |
2 | Threads | 4 |
normal | Core architecture | normal |
No | Hyperthreading | No |
Yes | Overclocking ? | Yes |
3.00 GHz | Frequency | 3.40 GHz |
-- | Turbo Frequency (1 Core) | 4.00 GHz |
-- | Turbo Frequency (All Cores) | 4.00 GHz |
Memory & PCIeUp to GB of memory in a maximum of 2 memory channels is supported by the AMD Phenom II X2 B55, while the AMD Athlon II X4 750K supports a maximum of GB of memory with a maximum memory bandwidth of 29.9 GB/s enabled. |
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AMD Phenom II X2 B55 | Characteristic | AMD Athlon II X4 750K |
DDR3-1333, DDR2-1066 | Memory | DDR3-1866 |
Max. Memory | ||
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
21.3 GB/s | Max. Bandwidth | 29.9 GB/s |
No | ECC | No |
-- | L2 Cache | 4.00 MB |
6.00 MB | L3 Cache | -- |
-- | PCIe version | -- |
-- | PCIe lanes | -- |
-- | PCIe Bandwidth | -- |
Thermal ManagementThe AMD Phenom II X2 B55 has a TDP of 80 W. The TDP of the AMD Athlon II X4 750K is 100 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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AMD Phenom II X2 B55 | Characteristic | AMD Athlon II X4 750K |
80 W | TDP (PL1 / PBP) | 100 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD Phenom II X2 B55 has 6.00 MB cache and is manufactured in 45 nm. The cache of AMD Athlon II X4 750K is at 4.00 MB. The processor is manufactured in 32 nm. |
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AMD Phenom II X2 B55 | Characteristic | AMD Athlon II X4 750K |
45 nm | Technology | 32 nm |
Unknown | Chip design | Unknown |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE3, SSE4a | ISA extensions | MMX, 3DNow!, SSE3, SSE4a |
AM3 | Socket | FM2 |
AMD-V | Virtualization | AMD-V |
No | AES-NI | No |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q4/2009 | Release date | Q4/2012 |
-- | Release price | 65 $ |
show more data | show more data | |
AMD Phenom II X2 B55
2C 2T @ 3.00 GHz |
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AMD Athlon II X4 750K
4C 4T @ 4.00 GHz |
AMD Phenom II X2 B55
2C 2T @ 3.00 GHz |
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AMD Athlon II X4 750K
4C 4T @ 4.00 GHz |
AMD Phenom II X2 B55
2C 2T @ 3.00 GHz |
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AMD Athlon II X4 750K
4C 4T @ 4.00 GHz |
AMD Phenom II X2 B55
2C 2T @ 3.00 GHz |
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AMD Athlon II X4 750K
4C 4T @ 4.00 GHz |
AMD Phenom II X2 B55
2C 2T @ 3.00 GHz |
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AMD Athlon II X4 750K
4C 4T @ 4.00 GHz |
Devices using this processor |
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AMD Phenom II X2 B55 | AMD Athlon II X4 750K |
Unknown | Unknown |