Intel Xeon w7-3445 vs Intel Celeron 3955U
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CPU comparison with benchmarks
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| Intel Xeon w7-3445 | Intel Celeron 3955U | |
CPU comparisonIntel Xeon w7-3445 or Intel Celeron 3955U - 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 Xeon w7-3445 has 20 cores with 40 threads and clocks with a maximum frequency of 4.80 GHz. Up to 4096 GB of memory is supported in 8 memory channels. The Intel Xeon w7-3445 was released in Q1/2023. The Intel Celeron 3955U has 2 cores with 2 threads and clocks with a maximum frequency of 2.00 GHz. The CPU supports up to 32 GB of memory in 2 memory channels. The Intel Celeron 3955U was released in Q4/2015. |
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| Intel Xeon W (83) | Family | Intel Celeron (165) |
| Intel Xeon W-3400 (8) | CPU group | Intel Celeron 3000 (10) |
| 12 | Generation | 7 |
| Sapphire Rapids-WS | Architecture | Kaby Lake U |
| Desktop / Server | Segment | Mobile |
| Intel Xeon W-3345 | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Xeon w7-3445 is a 20 core processor with a clock frequency of 2.60 GHz (4.80 GHz). The Intel Celeron 3955U has 2 CPU cores with a clock frequency of 2.00 GHz. |
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| Intel Xeon w7-3445 | Characteristic | Intel Celeron 3955U |
| 20 | Cores | 2 |
| 40 | Threads | 2 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | No |
| No | Overclocking ? | No |
| 2.60 GHz | Frequency | 2.00 GHz |
| 4.80 GHz | Turbo Frequency (1 Core) | -- |
| 3.40 GHz | Turbo Frequency (All Cores) | -- |
Integrated graphics (iGPU)The 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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| no iGPU | GPU | Intel HD Graphics 510 |
| GPU frequency | 0.30 GHz | |
| -- | GPU (Turbo) | 0.90 GHz |
| -- | GPU Generation | 9 |
| Technology | 14 nm | |
| Max. displays | 3 | |
| -- | Compute units | 12 |
| -- | Shader | 96 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| -- | Max. GPU Memory | 32 GB |
| -- | DirectX Version | 12.0 |
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 510 |
| No | Codec h265 / HEVC (8 bit) | Decode / Encode |
| No | Codec h265 / HEVC (10 bit) | Decode |
| No | Codec h264 | Decode / Encode |
| No | Codec VP9 | Decode |
| No | Codec VP8 | Decode / Encode |
| No | Codec AV1 | No |
| No | Codec AVC | Decode / Encode |
| No | Codec VC-1 | Decode |
| No | Codec JPEG | Decode |
Memory & PCIeThe Intel Xeon w7-3445 supports a maximum of 4096 GB of memory in 8 memory channels. The Intel Celeron 3955U can connect up to 32 GB of memory in 2 memory channels. |
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| Intel Xeon w7-3445 | Characteristic | Intel Celeron 3955U |
| DDR5-4800 | Memory | LPDDR3-1866, DDR4-2133, DDR3L-1600 |
| 4096 GB | Max. Memory | 32 GB |
| 8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
| 307.2 GB/s | Max. Bandwidth | 34.1 GB/s |
| Yes | ECC | No |
| -- | L2 Cache | -- |
| 52.50 MB | L3 Cache | 2.00 MB |
| 5.0 | PCIe version | 3.0 |
| 112 | PCIe lanes | 12 |
| 441.1 GB/s | PCIe Bandwidth | 11.8 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Xeon w7-3445 has a TDP of 270 W, that of the Intel Celeron 3955U is 15 W. |
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| Intel Xeon w7-3445 | Characteristic | Intel Celeron 3955U |
| 270 W | TDP (PL1 / PBP) | 15 W |
| -- | TDP (PL2) | -- |
| 324 W | TDP up | -- |
| -- | TDP down | 10 W |
| 94 °C | Tjunction max. | 100 °C |
Technical detailsThe Intel Xeon w7-3445 has a 52.50 MB cache, while the Intel Celeron 3955U cache has a total of 2.00 MB. |
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| Intel Xeon w7-3445 | Characteristic | Intel Celeron 3955U |
| 10 nm | Technology | 14 nm |
| Monolithic | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4.1, SSE4.2, AVX2, AVX-512, AMX | ISA extensions | SSE4.1, SSE4.2 |
| LGA 4677 | Socket | -- |
| VT-x, VT-x EPT, VT-d, VT-rp, vPro Enterprise | Virtualization | VT-x, VT-x EPT, VT-d |
| Yes | AES-NI | Yes |
| Windows 11, Windows Server, Linux | Operating systems | Windows 10, Linux |
| Q1/2023 | Release date | Q4/2015 |
| 1989 $ | Release price | -- |
| show more data | show more data | |
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2C 2T @ 2.00 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 0 CPU benchmarks
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 w7-3445
20C 40T @ 4.80 GHz |
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Intel Celeron 3955U
2C 2T @ 2.00 GHz |
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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 w7-3445
20C 40T @ 4.80 GHz |
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Intel Celeron 3955U
2C 2T @ 2.00 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 w7-3445
20C 40T @ 3.40 GHz |
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Intel Celeron 3955U
2C 2T @ 2.00 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 w7-3445
20C 40T @ 3.40 GHz |
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Intel Celeron 3955U
2C 2T @ 2.00 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 w7-3445
@ 0.00 GHz |
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Intel Celeron 3955U
Intel HD Graphics 510 @ 0.90 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 w7-3445
20C 40T @ 3.40 GHz |
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Intel Celeron 3955U
2C 2T @ 2.00 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 Xeon w7-3445
20C 40T @ 4.80 GHz |
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Intel Celeron 3955U
2C 2T @ 2.00 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 Xeon w7-3445
20C 40T @ 3.40 GHz |
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Intel Celeron 3955U
2C 2T @ 2.00 GHz |
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Devices using this processor |
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| Intel Xeon w7-3445 | Intel Celeron 3955U |
| Unknown | Unknown |
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