AMD Phenom II X4 820 | AMD FX-8140 | |
CPU comparisonAMD Phenom II X4 820 or AMD FX-8140 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.
The AMD Phenom II X4 820 has 4 cores with 4 threads and clocks with a maximum frequency of 2.80 GHz. Up to GB of memory is supported in 2 memory channels. The AMD Phenom II X4 820 was released in Q3/2009. The AMD FX-8140 has 8 cores with 8 threads and clocks with a maximum frequency of 4.10 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD FX-8140 was released in Q4/2012. |
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AMD Phenom II (52) | Family | AMD FX (30) |
AMD Phenom II - 800/900 (23) | CPU group | AMD FX-8000 (11) |
4 | Generation | 2 |
Deneb (K10) | Architecture | Vishera (Bulldozer) |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Phenom II X4 820 is a 4 core processor with a clock frequency of 2.80 GHz. The AMD FX-8140 has 8 CPU cores with a clock frequency of 3.20 GHz (4.10 GHz). |
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AMD Phenom II X4 820 | Characteristic | AMD FX-8140 |
4 | Cores | 8 |
4 | Threads | 8 |
normal | Core architecture | normal |
No | Hyperthreading | No |
Yes | Overclocking ? | Yes |
2.80 GHz | Frequency | 3.20 GHz |
-- | Turbo Frequency (1 Core) | 4.10 GHz |
-- | Turbo Frequency (All Cores) | 4.10 GHz |
Memory & PCIeThe AMD Phenom II X4 820 supports a maximum of GB of memory in 2 memory channels. The AMD FX-8140 can connect up to GB of memory in 2 memory channels. |
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AMD Phenom II X4 820 | Characteristic | AMD FX-8140 |
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 | Yes |
-- | L2 Cache | -- |
4.00 MB | L3 Cache | 8.00 MB |
-- | PCIe version | -- |
-- | PCIe lanes | -- |
-- | PCIe Bandwidth | -- |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Phenom II X4 820 has a TDP of 95 W, that of the AMD FX-8140 is 95 W. |
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AMD Phenom II X4 820 | Characteristic | AMD FX-8140 |
95 W | TDP (PL1 / PBP) | 95 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD Phenom II X4 820 has a 4.00 MB cache, while the AMD FX-8140 cache has a total of 8.00 MB. |
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AMD Phenom II X4 820 | Characteristic | AMD FX-8140 |
45 nm | Technology | 32 nm |
Unknown | Chip design | Unknown |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE3, SSE4a | ISA extensions | SSE4.1, SSE4.2, AVX, FMA3, FMA4 |
AM3 | Socket | AM3+ |
AMD-V | Virtualization | AMD-V |
No | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q3/2009 | Release date | Q4/2012 |
-- | Release price | -- |
show more data | show more data | |
AMD Phenom II X4 820
4C 4T @ 2.80 GHz |
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AMD FX-8140
8C 8T @ 4.10 GHz |
AMD Phenom II X4 820
4C 4T @ 2.80 GHz |
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AMD FX-8140
8C 8T @ 4.10 GHz |
AMD Phenom II X4 820
4C 4T @ 2.80 GHz |
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AMD FX-8140
8C 8T @ 4.10 GHz |
AMD Phenom II X4 820
4C 4T @ 2.80 GHz |
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AMD FX-8140
8C 8T @ 4.10 GHz |
AMD Phenom II X4 820
4C 4T @ 2.80 GHz |
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AMD FX-8140
8C 8T @ 4.10 GHz |
Devices using this processor |
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AMD Phenom II X4 820 | AMD FX-8140 |
Unknown | Unknown |