Intel Xeon E5-2643 v4 | AMD Phenom II X4 820 | |
CPU comparisonIn this CPU comparison, we compare the Intel Xeon E5-2643 v4 and the AMD Phenom II X4 820 and use benchmarks to check which processor is faster.
We compare the Intel Xeon E5-2643 v4 6 core processor released in Q1/2016 with the AMD Phenom II X4 820 which has 4 CPU cores and was introduced in Q3/2009. |
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Intel Xeon E5 (71) | Family | AMD Phenom II (52) |
Intel Xeon E5 v4 (24) | CPU group | AMD Phenom II - 800/900 (23) |
6 | Generation | 4 |
Broadwell E | Architecture | Deneb (K10) |
Desktop / Server | Segment | Desktop / Server |
Intel Xeon E5-2643 v3 | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Xeon E5-2643 v4 is a 6 core processor with a clock frequency of 3.40 GHz (3.70 GHz). The processor can compute 12 threads at the same time. The AMD Phenom II X4 820 clocks with 2.80 GHz, has 4 CPU cores and can calculate 4 threads in parallel. |
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Intel Xeon E5-2643 v4 | Characteristic | AMD Phenom II X4 820 |
6 | Cores | 4 |
12 | Threads | 4 |
normal | Core architecture | normal |
Yes | Hyperthreading | No |
No | Overclocking ? | Yes |
3.40 GHz | Frequency | 2.80 GHz |
3.70 GHz | Turbo Frequency (1 Core) | -- |
3.60 GHz | Turbo Frequency (All Cores) | -- |
Memory & PCIeUp to 1536 GB of memory in a maximum of 4 memory channels is supported by the Intel Xeon E5-2643 v4, while the AMD Phenom II X4 820 supports a maximum of GB of memory with a maximum memory bandwidth of 21.3 GB/s enabled. |
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Intel Xeon E5-2643 v4 | Characteristic | AMD Phenom II X4 820 |
DDR4-2400 | Memory | DDR3-1333, DDR2-1066 |
1536 GB | Max. Memory | |
4 (Quad Channel) | Memory channels | 2 (Dual Channel) |
76.8 GB/s | Max. Bandwidth | 21.3 GB/s |
Yes | ECC | No |
-- | L2 Cache | -- |
20.00 MB | L3 Cache | 4.00 MB |
3.0 | PCIe version | -- |
40 | PCIe lanes | -- |
39.4 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe Intel Xeon E5-2643 v4 has a TDP of 135 W. The TDP of the AMD Phenom II X4 820 is 95 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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Intel Xeon E5-2643 v4 | Characteristic | AMD Phenom II X4 820 |
135 W | TDP (PL1 / PBP) | 95 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe Intel Xeon E5-2643 v4 has 20.00 MB cache and is manufactured in 14 nm. The cache of AMD Phenom II X4 820 is at 4.00 MB. The processor is manufactured in 45 nm. |
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Intel Xeon E5-2643 v4 | Characteristic | AMD Phenom II X4 820 |
14 nm | Technology | 45 nm |
Monolithic | Chip design | Unknown |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2, AVX2 | ISA extensions | SSE3, SSE4a |
LGA 2011-3 | Socket | AM3 |
VT-x, VT-x EPT, VT-d | Virtualization | AMD-V |
Yes | AES-NI | No |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q1/2016 | Release date | Q3/2009 |
1550 $ | Release price | -- |
show more data | show more data | |
Intel Xeon E5-2643 v4
6C 12T @ 3.70 GHz |
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AMD Phenom II X4 820
4C 4T @ 2.80 GHz |
Intel Xeon E5-2643 v4
6C 12T @ 3.60 GHz |
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AMD Phenom II X4 820
4C 4T @ 2.80 GHz |
Intel Xeon E5-2643 v4
6C 12T @ 3.60 GHz |
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AMD Phenom II X4 820
4C 4T @ 2.80 GHz |
Intel Xeon E5-2643 v4
6C 12T @ 3.70 GHz |
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AMD Phenom II X4 820
4C 4T @ 2.80 GHz |
Intel Xeon E5-2643 v4
6C 12T @ 3.60 GHz |
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AMD Phenom II X4 820
4C 4T @ 2.80 GHz |
Intel Xeon E5-2643 v4
6C 12T @ 3.70 GHz |
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AMD Phenom II X4 820
4C 4T @ 2.80 GHz |
Intel Xeon E5-2643 v4
6C 12T @ 3.70 GHz |
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AMD Phenom II X4 820
4C 4T @ 2.80 GHz |
Intel Xeon E5-2643 v4
6C 12T @ 3.70 GHz |
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AMD Phenom II X4 820
4C 4T @ 2.80 GHz |
Intel Xeon E5-2643 v4
6C 12T @ 3.60 GHz |
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AMD Phenom II X4 820
4C 4T @ 2.80 GHz |
Intel Xeon E5-2643 v4
6C 12T @ 3.70 GHz |
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AMD Phenom II X4 820
4C 4T @ 2.80 GHz |
Intel Xeon E5-2643 v4
6C 12T @ 3.60 GHz |
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AMD Phenom II X4 820
4C 4T @ 2.80 GHz |
Intel Xeon E5-2643 v4
6C 12T @ 3.60 GHz |
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AMD Phenom II X4 820
4C 4T @ 2.80 GHz |
Devices using this processor |
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Intel Xeon E5-2643 v4 | AMD Phenom II X4 820 |
Unknown | Unknown |