AMD Phenom II X4 920 | AMD Athlon X4 845 | |
CPU comparisonIn this CPU comparison, we compare the AMD Phenom II X4 920 and the AMD Athlon X4 845 and use benchmarks to check which processor is faster.
We compare the AMD Phenom II X4 920 4 core processor released in Q1/2009 with the AMD Athlon X4 845 which has 4 CPU cores and was introduced in Q1/2016. |
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AMD Phenom II (52) | Family | AMD Athlon (29) |
AMD Phenom II - 800/900 (23) | CPU group | AMD Athlon X4 (Carizzo) (2) |
4 | Generation | 2 |
Deneb (K10) | Architecture | Carizzo |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Phenom II X4 920 is a 4 core processor with a clock frequency of 2.80 GHz. The processor can compute 4 threads at the same time. The AMD Athlon X4 845 clocks with 3.50 GHz (3.80 GHz), has 4 CPU cores and can calculate 4 threads in parallel. |
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AMD Phenom II X4 920 | Characteristic | AMD Athlon X4 845 |
4 | Cores | 4 |
4 | Threads | 4 |
normal | Core architecture | normal |
No | Hyperthreading | No |
Yes | Overclocking ? | No |
2.80 GHz | Frequency | 3.50 GHz |
-- | Turbo Frequency (1 Core) | 3.80 GHz |
-- | Turbo Frequency (All Cores) | 3.80 GHz |
Memory & PCIeUp to GB of memory in a maximum of 2 memory channels is supported by the AMD Phenom II X4 920, while the AMD Athlon X4 845 supports a maximum of GB of memory with a maximum memory bandwidth of 34.2 GB/s enabled. |
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AMD Phenom II X4 920 | Characteristic | AMD Athlon X4 845 |
DDR3-1333, DDR2-1066 | Memory | DDR3-2133 |
Max. Memory | ||
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
21.3 GB/s | Max. Bandwidth | 34.2 GB/s |
No | ECC | Yes |
-- | L2 Cache | -- |
6.00 MB | L3 Cache | 2.00 MB |
-- | PCIe version | 3.0 |
-- | PCIe lanes | 8 |
-- | PCIe Bandwidth | 7.9 GB/s |
Thermal ManagementThe AMD Phenom II X4 920 has a TDP of 125 W. The TDP of the AMD Athlon X4 845 is 65 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 920 | Characteristic | AMD Athlon X4 845 |
125 W | TDP (PL1 / PBP) | 65 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD Phenom II X4 920 has 6.00 MB cache and is manufactured in 45 nm. The cache of AMD Athlon X4 845 is at 2.00 MB. The processor is manufactured in 28 nm. |
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AMD Phenom II X4 920 | Characteristic | AMD Athlon X4 845 |
45 nm | Technology | 28 nm |
Unknown | Chip design | Unknown |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE3, SSE4a | ISA extensions | SSE3 |
AM2+ | Socket | FM2+ |
AMD-V | Virtualization | None |
No | AES-NI | No |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q1/2009 | Release date | Q1/2016 |
-- | Release price | 65 $ |
show more data | show more data | |
AMD Phenom II X4 920
4C 4T @ 2.80 GHz |
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AMD Athlon X4 845
4C 4T @ 3.80 GHz |
AMD Phenom II X4 920
4C 4T @ 2.80 GHz |
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AMD Athlon X4 845
4C 4T @ 3.80 GHz |
AMD Phenom II X4 920
4C 4T @ 2.80 GHz |
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AMD Athlon X4 845
4C 4T @ 3.80 GHz |
AMD Phenom II X4 920
4C 4T @ 2.80 GHz |
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AMD Athlon X4 845
4C 4T @ 3.80 GHz |
AMD Phenom II X4 920
4C 4T @ 2.80 GHz |
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AMD Athlon X4 845
4C 4T @ 3.80 GHz |
AMD Phenom II X4 920
4C 4T @ 2.80 GHz |
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AMD Athlon X4 845
4C 4T @ 3.80 GHz |
AMD Phenom II X4 920
4C 4T @ 2.80 GHz |
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AMD Athlon X4 845
4C 4T @ 3.80 GHz |
Devices using this processor |
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AMD Phenom II X4 920 | AMD Athlon X4 845 |
Unknown | Unknown |