Intel Xeon E3-1271 v3 vs Intel Atom E3845
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CPU comparison with benchmarks
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| Intel Xeon E3-1271 v3 | Intel Atom E3845 | |
CPU comparisonIn this CPU comparison, we compare the Intel Xeon E3-1271 v3 and the Intel Atom E3845 and use benchmarks to check which processor is faster.
We compare the Intel Xeon E3-1271 v3 4 core processor released in Q2/2014 with the Intel Atom E3845 which has 4 CPU cores and was introduced in Q4/2013. |
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| Intel Xeon E3 (43) | Family | Intel Atom (108) |
| Intel Xeon E3 v3 (15) | CPU group | Intel Atom E3800 (6) |
| 4 | Generation | 4 |
| Haswell S | Architecture | Bay Trail |
| Desktop / Server | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Xeon E3-1271 v3 is a 4 core processor with a clock frequency of 3.60 GHz (4.00 GHz). The processor can compute 8 threads at the same time. The Intel Atom E3845 clocks with 1.91 GHz, has 4 CPU cores and can calculate 4 threads in parallel. |
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| Intel Xeon E3-1271 v3 | Characteristic | Intel Atom E3845 |
| 4 | Cores | 4 |
| 8 | Threads | 4 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | No |
| No | Overclocking ? | No |
| 3.60 GHz | Frequency | 1.91 GHz |
| 4.00 GHz | Turbo Frequency (1 Core) | -- |
| -- | Turbo Frequency (All Cores) | -- |
Internal GraphicsGraphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback. |
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| no iGPU | GPU | Intel HD Graphics (Bay Trail GT1) |
| GPU frequency | 0.54 GHz | |
| -- | GPU (Turbo) | 0.79 GHz |
| -- | GPU Generation | 7 |
| Technology | 22 nm | |
| Max. displays | 2 | |
| -- | Compute units | 4 |
| -- | Shader | 32 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| -- | Max. GPU Memory | 2 GB |
| -- | DirectX Version | 11.2 |
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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| no iGPU | GPU | Intel HD Graphics (Bay Trail GT1) |
| No | Codec h265 / HEVC (8 bit) | No |
| No | Codec h265 / HEVC (10 bit) | No |
| No | Codec h264 | Decode / Encode |
| No | Codec VP9 | No |
| No | Codec VP8 | No |
| No | Codec AV1 | No |
| No | Codec AVC | Decode / Encode |
| No | Codec VC-1 | Decode |
| No | Codec JPEG | Decode |
Memory & PCIeUp to 32 GB of memory in a maximum of 2 memory channels is supported by the Intel Xeon E3-1271 v3, while the Intel Atom E3845 supports a maximum of 8 GB of memory with a maximum memory bandwidth of 21.3 GB/s enabled. |
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| Intel Xeon E3-1271 v3 | Characteristic | Intel Atom E3845 |
| DDR3L-1600, DDR3-1600 | Memory | DDR3L-1333 |
| 32 GB | Max. Memory | 8 GB |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 25.6 GB/s | Max. Bandwidth | 21.3 GB/s |
| Yes | ECC | No |
| -- | L2 Cache | -- |
| 8.00 MB | L3 Cache | 2.00 MB |
| 3.0 | PCIe version | -- |
| 16 | PCIe lanes | -- |
| 15.8 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe Intel Xeon E3-1271 v3 has a TDP of 80 W. The TDP of the Intel Atom E3845 is 10 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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| Intel Xeon E3-1271 v3 | Characteristic | Intel Atom E3845 |
| 80 W | TDP (PL1 / PBP) | 10 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe Intel Xeon E3-1271 v3 has 8.00 MB cache and is manufactured in 22 nm. The cache of Intel Atom E3845 is at 2.00 MB. The processor is manufactured in 22 nm. |
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| Intel Xeon E3-1271 v3 | Characteristic | Intel Atom E3845 |
| 22 nm | Technology | 22 nm |
| Monolithic | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4.1, SSE4.2, AVX2 | ISA extensions | SSE4.1, SSE4.2 |
| LGA 1150 | Socket | BGA 1170 |
| VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-x EPT |
| Yes | AES-NI | Yes |
| Windows 10, Linux | Operating systems | |
| Q2/2014 | Release date | Q4/2013 |
| -- | Release price | -- |
| show more data | show more data | |
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4C 4T @ 1.91 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 Xeon E3-1271 v3
4C 8T @ 4.00 GHz |
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Intel Atom E3845
4C 4T @ 1.91 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 Xeon E3-1271 v3
4C 8T @ 3.60 GHz |
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Intel Atom E3845
4C 4T @ 1.91 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 Xeon E3-1271 v3
4C 8T @ 4.00 GHz |
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Intel Atom E3845
4C 4T @ 1.91 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 Xeon E3-1271 v3
4C 8T @ 3.60 GHz |
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Intel Atom E3845
4C 4T @ 1.91 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 Xeon E3-1271 v3
4C 8T @ 3.60 GHz |
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Intel Atom E3845
4C 4T @ 1.91 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 Xeon E3-1271 v3
@ 0.00 GHz |
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Intel Atom E3845
Intel HD Graphics (Bay Trail GT1) @ 0.79 GHz |
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CPU-Z Benchmark 17 (Multi-Core)
The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
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Intel Xeon E3-1271 v3
4C 8T @ 3.60 GHz |
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Intel Atom E3845
4C 4T @ 1.91 GHz |
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Devices using this processor |
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| Intel Xeon E3-1271 v3 | Intel Atom E3845 |
| Unknown | Unknown |
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