Intel Pentium B970 vs Intel Xeon E5-2643 v3
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CPU comparison with benchmarks
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| Intel Pentium B970 | Intel Xeon E5-2643 v3 | |
CPU comparisonIntel Pentium B970 or Intel Xeon E5-2643 v3 - 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 Intel Pentium B970 has 2 cores with 2 threads and clocks with a maximum frequency of 2.30 GHz. Up to 16 GB of memory is supported in 2 memory channels. The Intel Pentium B970 was released in Q1/2012. The Intel Xeon E5-2643 v3 has 6 cores with 12 threads and clocks with a maximum frequency of 3.70 GHz. The CPU supports up to 768 GB of memory in 4 memory channels. The Intel Xeon E5-2643 v3 was released in Q3/2014. |
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| Intel Pentium (150) | Family | Intel Xeon E5 (71) |
| Intel Pentium 900 (10) | CPU group | Intel Xeon E5 v3 (32) |
| 3 | Generation | 5 |
| Sandy Bridge U | Architecture | Haswell E |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | Intel Xeon E5-2643 v4 |
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CPU Cores and Base FrequencyThe Intel Pentium B970 is a 2 core processor with a clock frequency of 2.30 GHz. The Intel Xeon E5-2643 v3 has 6 CPU cores with a clock frequency of 3.40 GHz (3.70 GHz). |
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| Intel Pentium B970 | Characteristic | Intel Xeon E5-2643 v3 |
| 2 | Cores | 6 |
| 2 | Threads | 12 |
| normal | Core architecture | normal |
| No | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 2.30 GHz | Frequency | 3.40 GHz |
| -- | Turbo Frequency (1 Core) | 3.70 GHz |
| -- | Turbo Frequency (All Cores) | 3.60 GHz |
Internal GraphicsThe integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs. |
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| Intel HD Graphics (Sandy Bridge GT1) | GPU | no iGPU |
| 0.65 GHz | GPU frequency | -- |
| 1.15 GHz | GPU (Turbo) | -- |
| 6 | GPU Generation | -- |
| 32 nm | Technology | |
| 2 | Max. displays | |
| 6 | Compute units | -- |
| 48 | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 2 GB | Max. GPU Memory | -- |
| 10.1 | DirectX Version | -- |
Hardware codec supportA photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos. |
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| Intel HD Graphics (Sandy Bridge GT1) | GPU | no iGPU |
| No | Codec h265 / HEVC (8 bit) | No |
| No | Codec h265 / HEVC (10 bit) | No |
| Decode / Encode | Codec h264 | No |
| No | Codec VP9 | No |
| No | Codec VP8 | No |
| No | Codec AV1 | No |
| Decode / Encode | Codec AVC | No |
| Decode | Codec VC-1 | No |
| No | Codec JPEG | No |
Memory & PCIeThe Intel Pentium B970 supports a maximum of 16 GB of memory in 2 memory channels. The Intel Xeon E5-2643 v3 can connect up to 768 GB of memory in 4 memory channels. |
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| Intel Pentium B970 | Characteristic | Intel Xeon E5-2643 v3 |
| DDR3-1066, DDR3-1333 | Memory | DDR4-2133 |
| 16 GB | Max. Memory | 768 GB |
| 2 (Dual Channel) | Memory channels | 4 (Quad Channel) |
| 21.3 GB/s | Max. Bandwidth | 68.2 GB/s |
| No | ECC | Yes |
| -- | L2 Cache | -- |
| 2.00 MB | L3 Cache | 20.00 MB |
| 2.0 | PCIe version | 3.0 |
| 16 | PCIe lanes | 40 |
| 8.0 GB/s | PCIe Bandwidth | 39.4 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Pentium B970 has a TDP of 35 W, that of the Intel Xeon E5-2643 v3 is 135 W. |
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| Intel Pentium B970 | Characteristic | Intel Xeon E5-2643 v3 |
| 35 W | TDP (PL1 / PBP) | 135 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| 85 °C | Tjunction max. | -- |
Technical detailsThe Intel Pentium B970 has a 2.00 MB cache, while the Intel Xeon E5-2643 v3 cache has a total of 20.00 MB. |
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| Intel Pentium B970 | Characteristic | Intel Xeon E5-2643 v3 |
| 32 nm | Technology | 22 nm |
| Monolithic | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4.1, SSE4.2 | ISA extensions | SSE4.1, SSE4.2, AVX2 |
| PGA 988 | Socket | LGA 2011-3 |
| VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-x EPT, VT-d |
| Yes | AES-NI | Yes |
| Windows 10, Linux | Operating systems | Windows 10, Linux |
| Q1/2012 | Release date | Q3/2014 |
| -- | Release price | -- |
| show more data | show more data | |
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6C 12T @ 3.40 GHz (3.70 GHz) buy now on Amazon and save!
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 2 CPU benchmarks
⌀ Multi core performance in 3 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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Intel Pentium B970
2C 2T @ 2.30 GHz |
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Intel Xeon E5-2643 v3
6C 12T @ 3.70 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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Intel Pentium B970
2C 2T @ 2.30 GHz |
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Intel Xeon E5-2643 v3
6C 12T @ 3.60 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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Intel Pentium B970
2C 2T @ 2.30 GHz |
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Intel Xeon E5-2643 v3
6C 12T @ 3.70 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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Intel Pentium B970
2C 2T @ 2.30 GHz |
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Intel Xeon E5-2643 v3
6C 12T @ 3.60 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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Intel Pentium B970
2C 2T @ 2.30 GHz |
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Intel Xeon E5-2643 v3
6C 12T @ 3.60 GHz |
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iGPU - FP32 Performance (Single-precision GFLOPS)
The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
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Intel Pentium B970
Intel HD Graphics (Sandy Bridge GT1) @ 1.15 GHz |
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Intel Xeon E5-2643 v3
@ 0.00 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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Intel Pentium B970
2C 2T @ 2.30 GHz |
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Intel Xeon E5-2643 v3
6C 12T @ 3.70 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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Intel Pentium B970
2C 2T @ 2.30 GHz |
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Intel Xeon E5-2643 v3
6C 12T @ 3.60 GHz |
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Devices using this processor |
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| Intel Pentium B970 | Intel Xeon E5-2643 v3 |
| Unknown | Unknown |
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