Intel Celeron G3950 vs Intel Core i7-1255U
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CPU comparison with benchmarks
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| Intel Celeron G3950 | Intel Core i7-1255U | |
CPU comparisonIntel Celeron G3950 or Intel Core i7-1255U - 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 Celeron G3950 has 2 cores with 2 threads and clocks with a maximum frequency of 3.00 GHz. Up to 64 GB of memory is supported in 2 memory channels. The Intel Celeron G3950 was released in Q1/2017. The Intel Core i7-1255U has 10 cores with 12 threads and clocks with a maximum frequency of 4.70 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The Intel Core i7-1255U was released in Q1/2022. |
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| Intel Celeron (165) | Family | Intel Core i7 (298) |
| Intel Celeron G3000 6. Gen. (6) | CPU group | Intel Core i 1200P/1200U (21) |
| 6 | Generation | 12 |
| Skylake S | Architecture | Alder Lake U |
| Desktop / Server | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | Intel Core i7-1355U |
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CPU Cores and Base FrequencyThe Intel Celeron G3950 is a 2 core processor with a clock frequency of 3.00 GHz. The Intel Core i7-1255U has 10 CPU cores with a clock frequency of 1.70 GHz (4.70 GHz). |
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| Intel Celeron G3950 | Characteristic | Intel Core i7-1255U |
| 2 | Cores | 10 |
| 2 | Threads | 12 |
| normal | Core architecture | hybrid (big.LITTLE) |
| No | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 3.00 GHz | A-Core | 1.70 GHz (4.70 GHz) 2x Golden Cove |
| -- | B-Core | 1.20 GHz (3.50 GHz) 8x Gracemont |
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 610 | GPU | Intel Iris Xe Graphics 96 (Alder Lake) |
| 0.35 GHz | GPU frequency | 0.35 GHz |
| 1.05 GHz | GPU (Turbo) | 1.25 GHz |
| 9.5 | GPU Generation | 13 |
| 14 nm | Technology | 10 nm |
| 3 | Max. displays | 4 |
| 12 | Compute units | 96 |
| 96 | Shader | 768 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 32 GB | Max. GPU Memory | 32 GB |
| 12 | DirectX Version | 12.1 |
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 610 | GPU | Intel Iris Xe Graphics 96 (Alder Lake) |
| Decode / Encode | Codec h265 / HEVC (8 bit) | Decode / Encode |
| Decode / Encode | Codec h265 / HEVC (10 bit) | Decode / Encode |
| Decode / Encode | Codec h264 | Decode / Encode |
| Decode / Encode | Codec VP9 | Decode / Encode |
| Decode / Encode | Codec VP8 | Decode |
| No | Codec AV1 | Decode |
| Decode / Encode | Codec AVC | Decode / Encode |
| Decode | Codec VC-1 | Decode |
| Decode / Encode | Codec JPEG | Decode / Encode |
Memory & PCIeThe Intel Celeron G3950 supports a maximum of 64 GB of memory in 2 memory channels. The Intel Core i7-1255U can connect up to 64 GB of memory in 2 memory channels. |
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| Intel Celeron G3950 | Characteristic | Intel Core i7-1255U |
| DDR4-2133, DDR3L-1600 | Memory | LPDDR5-5200, LPDDR4X-4266, DDR5-4800, DDR4-3200 |
| 64 GB | Max. Memory | 64 GB |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 34.1 GB/s | Max. Bandwidth | 83.2 GB/s |
| Yes | ECC | No |
| -- | L2 Cache | 6.50 MB |
| 2.00 MB | L3 Cache | 12.00 MB |
| 3.0 | PCIe version | 4.0 |
| 16 | PCIe lanes | 28 |
| 15.8 GB/s | PCIe Bandwidth | 55.1 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Celeron G3950 has a TDP of 51 W, that of the Intel Core i7-1255U is 15 W. |
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| Intel Celeron G3950 | Characteristic | Intel Core i7-1255U |
| 51 W | TDP (PL1 / PBP) | 15 W |
| -- | TDP (PL2) | 55 W |
| -- | TDP up | -- |
| -- | TDP down | -- |
| 100 °C | Tjunction max. | 100 °C |
Technical detailsThe Intel Celeron G3950 has a 2.00 MB cache, while the Intel Core i7-1255U cache has a total of 18.50 MB. |
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| Intel Celeron G3950 | Characteristic | Intel Core i7-1255U |
| 14 nm | Technology | 10 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 |
| LGA 1151 | Socket | BGA 1744 |
| 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, Windows 11, Linux |
| Q1/2017 | Release date | Q1/2022 |
| 49 $ | Release price | -- |
| show more data | show more data | |
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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 Celeron G3950
2C 2T @ 3.00 GHz |
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Intel Core i7-1255U
10C 12T @ 4.70 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 Celeron G3950
2C 2T @ 3.00 GHz |
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Intel Core i7-1255U
10C 12T @ 2.70 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 Celeron G3950
Intel HD Graphics 610 @ 1.05 GHz |
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Intel Core i7-1255U
Intel Iris Xe Graphics 96 (Alder Lake) @ 1.25 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 Celeron G3950
2C 2T @ 3.00 GHz |
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Intel Core i7-1255U
10C 12T @ 2.70 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 Celeron G3950
2C 2T @ 3.00 GHz |
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Intel Core i7-1255U
10C 12T @ 4.70 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 Celeron G3950
2C 2T @ 3.00 GHz |
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Intel Core i7-1255U
10C 12T @ 2.70 GHz |
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Cinebench R23 (Single-Core)
Cinebench R23 is the successor of Cinebench R20 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 Celeron G3950
2C 2T @ 3.00 GHz |
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Intel Core i7-1255U
10C 12T @ 4.70 GHz |
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Cinebench R23 (Multi-Core)
Cinebench R23 is the successor of Cinebench R20 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 Celeron G3950
2C 2T @ 3.00 GHz |
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Intel Core i7-1255U
10C 12T @ 2.70 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 Celeron G3950
2C 2T @ 3.00 GHz |
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Intel Core i7-1255U
10C 12T @ 4.70 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 Celeron G3950
2C 2T @ 3.00 GHz |
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Intel Core i7-1255U
10C 12T @ 2.70 GHz |
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Cinebench R20 (Single-Core)
Cinebench R20 is the successor of Cinebench R15 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 Celeron G3950
2C 2T @ 3.00 GHz |
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Intel Core i7-1255U
10C 12T @ 4.70 GHz |
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Cinebench R20 (Multi-Core)
Cinebench R20 is the successor of Cinebench R15 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 Celeron G3950
2C 2T @ 3.00 GHz |
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Intel Core i7-1255U
10C 12T @ 2.70 GHz |
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Devices using this processor |
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| Intel Celeron G3950 | Intel Core i7-1255U |
| Unknown | Unknown |
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