AMD Phenom II X4 840 vs Intel Xeon Silver 4208
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CPU comparison with benchmarks
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| AMD Phenom II X4 840 | Intel Xeon Silver 4208 | |
CPU comparisonIn this CPU comparison, we compare the AMD Phenom II X4 840 and the Intel Xeon Silver 4208 and use benchmarks to check which processor is faster.
We compare the AMD Phenom II X4 840 4 core processor released in Q1/2011 with the Intel Xeon Silver 4208 which has 8 CPU cores and was introduced in Q2/2019. |
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| AMD Phenom II (52) | Family | Intel Xeon Silver (32) |
| AMD Phenom II - 840/850 (2) | CPU group | Intel Xeon Silver 4200 (11) |
| 5 | Generation | 2 |
| Propus | Architecture | Cascade Lake |
| Desktop / Server | Segment | Desktop / Server |
| -- | Predecessor | Intel Xeon Silver 4108 |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Phenom II X4 840 is a 4 core processor with a clock frequency of 3.20 GHz. The processor can compute 4 threads at the same time. The Intel Xeon Silver 4208 clocks with 2.10 GHz (3.20 GHz), has 8 CPU cores and can calculate 16 threads in parallel. |
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| AMD Phenom II X4 840 | Characteristic | Intel Xeon Silver 4208 |
| 4 | Cores | 8 |
| 4 | Threads | 16 |
| normal | Core architecture | normal |
| No | Hyperthreading | Yes |
| Yes | Overclocking ? | No |
| 3.20 GHz | Frequency | 2.10 GHz |
| -- | Turbo Frequency (1 Core) | 3.20 GHz |
| -- | Turbo Frequency (All Cores) | 2.30 GHz |
Memory & PCIeUp to GB of memory in a maximum of 2 memory channels is supported by the AMD Phenom II X4 840, while the Intel Xeon Silver 4208 supports a maximum of 1024 GB of memory with a maximum memory bandwidth of 115.2 GB/s enabled. |
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| AMD Phenom II X4 840 | Characteristic | Intel Xeon Silver 4208 |
| DDR3-1333, DDR2-1066 | Memory | DDR4-2400 |
| Max. Memory | 1024 GB | |
| 2 (Dual Channel) | Memory channels | 6 (Hexa Channel) |
| 21.3 GB/s | Max. Bandwidth | 115.2 GB/s |
| No | ECC | Yes |
| -- | L2 Cache | -- |
| 2.00 MB | L3 Cache | 11.00 MB |
| -- | PCIe version | 3.0 |
| -- | PCIe lanes | 48 |
| -- | PCIe Bandwidth | 47.3 GB/s |
Thermal ManagementThe AMD Phenom II X4 840 has a TDP of 95 W. The TDP of the Intel Xeon Silver 4208 is 85 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 840 | Characteristic | Intel Xeon Silver 4208 |
| 95 W | TDP (PL1 / PBP) | 85 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe AMD Phenom II X4 840 has 2.00 MB cache and is manufactured in 45 nm. The cache of Intel Xeon Silver 4208 is at 11.00 MB. The processor is manufactured in 14 nm. |
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| AMD Phenom II X4 840 | Characteristic | Intel Xeon Silver 4208 |
| 45 nm | Technology | 14 nm |
| Unknown | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE3, SSE4a | ISA extensions | SSE4.1, SSE4.2, AVX2, AVX-512 |
| AM3 | Socket | LGA 3647 |
| AMD-V | Virtualization | VT-x, VT-x EPT, VT-d |
| No | AES-NI | Yes |
| Windows 10, Linux | Operating systems | Windows 10, Linux |
| Q1/2011 | Release date | Q2/2019 |
| -- | Release price | 422 $ |
| show more data | show more data | |
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8C 16T @ 2.10 GHz (3.20 GHz) buy now on Amazon and save!
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 2 CPU benchmarks
Geekbench 5, 64bit (Single-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
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AMD Phenom II X4 840
4C 4T @ 3.20 GHz |
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Intel Xeon Silver 4208
8C 16T @ 3.20 GHz |
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Geekbench 5, 64bit (Multi-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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AMD Phenom II X4 840
4C 4T @ 3.20 GHz |
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Intel Xeon Silver 4208
8C 16T @ 2.30 GHz |
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Estimated results for PassMark CPU Mark
Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
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AMD Phenom II X4 840
4C 4T @ 3.20 GHz |
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Intel Xeon Silver 4208
8C 16T @ 2.30 GHz |
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Geekbench 6 (Single-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
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AMD Phenom II X4 840
4C 4T @ 3.20 GHz |
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Intel Xeon Silver 4208
8C 16T @ 3.20 GHz |
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Geekbench 6 (Multi-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
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AMD Phenom II X4 840
4C 4T @ 3.20 GHz |
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Intel Xeon Silver 4208
8C 16T @ 2.30 GHz |
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Cinebench R15 (Single-Core)
Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
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AMD Phenom II X4 840
4C 4T @ 3.20 GHz |
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Intel Xeon Silver 4208
8C 16T @ 3.20 GHz |
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Cinebench R15 (Multi-Core)
Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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AMD Phenom II X4 840
4C 4T @ 3.20 GHz |
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Intel Xeon Silver 4208
8C 16T @ 2.30 GHz |
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Devices using this processor |
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| AMD Phenom II X4 840 | Intel Xeon Silver 4208 |
| Unknown | Unknown |
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