AMD Phenom II X4 945 | AMD Phenom II X4 850 | |
CPU comparisonIn this CPU comparison, we compare the AMD Phenom II X4 945 and the AMD Phenom II X4 850 and use benchmarks to check which processor is faster.
We compare the AMD Phenom II X4 945 4 core processor released in Q2/2009 with the AMD Phenom II X4 850 which has 4 CPU cores and was introduced in Q2/2011. |
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AMD Phenom II (52) | Family | AMD Phenom II (52) |
AMD Phenom II - 800/900 (23) | CPU group | AMD Phenom II - 840/850 (2) |
4 | Generation | 5 |
Deneb (K10) | Architecture | Propus |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Phenom II X4 945 is a 4 core processor with a clock frequency of 3.00 GHz. The processor can compute 4 threads at the same time. The AMD Phenom II X4 850 clocks with 3.30 GHz, has 4 CPU cores and can calculate 4 threads in parallel. |
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AMD Phenom II X4 945 | Characteristic | AMD Phenom II X4 850 |
4 | Cores | 4 |
4 | Threads | 4 |
normal | Core architecture | normal |
No | Hyperthreading | No |
Yes | Overclocking ? | Yes |
3.00 GHz | Frequency | 3.30 GHz |
-- | Turbo Frequency (1 Core) | -- |
-- | Turbo Frequency (All Cores) | -- |
Memory & PCIeUp to GB of memory in a maximum of 2 memory channels is supported by the AMD Phenom II X4 945, while the AMD Phenom II X4 850 supports a maximum of GB of memory with a maximum memory bandwidth of 21.3 GB/s enabled. |
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AMD Phenom II X4 945 | Characteristic | AMD Phenom II X4 850 |
DDR3-1333, DDR2-1066 | Memory | DDR3-1333, DDR2-1066 |
Max. Memory | ||
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
21.3 GB/s | Max. Bandwidth | 21.3 GB/s |
No | ECC | No |
-- | L2 Cache | -- |
6.00 MB | L3 Cache | 2.00 MB |
-- | PCIe version | -- |
-- | PCIe lanes | -- |
-- | PCIe Bandwidth | -- |
Thermal ManagementThe AMD Phenom II X4 945 has a TDP of 125 W. The TDP of the AMD Phenom II X4 850 is 95 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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AMD Phenom II X4 945 | Characteristic | AMD Phenom II X4 850 |
125 W | TDP (PL1 / PBP) | 95 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD Phenom II X4 945 has 6.00 MB cache and is manufactured in 45 nm. The cache of AMD Phenom II X4 850 is at 2.00 MB. The processor is manufactured in 45 nm. |
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AMD Phenom II X4 945 | Characteristic | AMD Phenom II X4 850 |
45 nm | Technology | 45 nm |
Unknown | Chip design | Unknown |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE3, SSE4a | ISA extensions | SSE3, SSE4a |
AM3 | Socket | AM3 |
AMD-V | Virtualization | AMD-V |
No | AES-NI | No |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q2/2009 | Release date | Q2/2011 |
-- | Release price | -- |
show more data | show more data | |
AMD Phenom II X4 945
4C 4T @ 3.00 GHz |
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AMD Phenom II X4 850
4C 4T @ 3.30 GHz |
AMD Phenom II X4 945
4C 4T @ 3.00 GHz |
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AMD Phenom II X4 850
4C 4T @ 3.30 GHz |
AMD Phenom II X4 945
4C 4T @ 3.00 GHz |
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AMD Phenom II X4 850
4C 4T @ 3.30 GHz |
AMD Phenom II X4 945
4C 4T @ 3.00 GHz |
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AMD Phenom II X4 850
4C 4T @ 3.30 GHz |
AMD Phenom II X4 945
4C 4T @ 3.00 GHz |
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AMD Phenom II X4 850
4C 4T @ 3.30 GHz |
AMD Phenom II X4 945
4C 4T @ 3.00 GHz |
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AMD Phenom II X4 850
4C 4T @ 3.30 GHz |
AMD Phenom II X4 945
4C 4T @ 3.00 GHz |
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AMD Phenom II X4 850
4C 4T @ 3.30 GHz |
AMD Phenom II X4 945
4C 4T @ 3.00 GHz |
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AMD Phenom II X4 850
4C 4T @ 3.30 GHz |
Devices using this processor |
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AMD Phenom II X4 945 | AMD Phenom II X4 850 |
Unknown | Unknown |