Intel Core i7-1255UL vs Intel Xeon Gold 6426Y
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CPU comparison with benchmarks
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| Intel Core i7-1255UL | Intel Xeon Gold 6426Y | |
CPU comparisonIntel Core i7-1255UL or Intel Xeon Gold 6426Y - 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 Core i7-1255UL has 10 cores with 12 threads and clocks with a maximum frequency of 4.70 GHz. Up to 64 GB of memory is supported in 2 memory channels. The Intel Core i7-1255UL was released in Q3/2022. The Intel Xeon Gold 6426Y has 16 cores with 32 threads and clocks with a maximum frequency of 4.10 GHz. The CPU supports up to 4096 GB of memory in 8 memory channels. The Intel Xeon Gold 6426Y was released in Q1/2023. |
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| Intel Core i7 (298) | Family | Intel Xeon Gold (163) |
| Intel Core i 1200P/1200U (21) | CPU group | Intel Xeon Gold 5400/6400 (25) |
| 12 | Generation | 4 |
| Alder Lake U | Architecture | Sapphire Rapids |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i7-1255UL is a 10 core processor with a clock frequency of 2.60 GHz (4.70 GHz). The Intel Xeon Gold 6426Y has 16 CPU cores with a clock frequency of 2.50 GHz (4.10 GHz). |
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| Intel Core i7-1255UL | Characteristic | Intel Xeon Gold 6426Y |
| 10 | Cores | 16 |
| 12 | Threads | 32 |
| hybrid (big.LITTLE) | Core architecture | normal |
| Yes | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 2.60 GHz (4.70 GHz) 2x Golden Cove |
A-Core | 2.50 GHz (4.10 GHz) |
| 1.20 GHz (3.50 GHz) 8x Gracemont |
B-Core | -- |
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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| Intel Iris Xe Graphics 96 (Alder Lake) | GPU | no iGPU |
| 0.35 GHz | GPU frequency | -- |
| 1.25 GHz | GPU (Turbo) | -- |
| 13 | GPU Generation | -- |
| 10 nm | Technology | |
| 4 | Max. displays | |
| 96 | Compute units | -- |
| 768 | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 32 GB | Max. GPU Memory | -- |
| 12.1 | 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 Iris Xe Graphics 96 (Alder Lake) | GPU | no iGPU |
| Decode / Encode | Codec h265 / HEVC (8 bit) | No |
| Decode / Encode | Codec h265 / HEVC (10 bit) | No |
| Decode / Encode | Codec h264 | No |
| Decode / Encode | Codec VP9 | No |
| Decode | Codec VP8 | No |
| Decode | Codec AV1 | No |
| Decode / Encode | Codec AVC | No |
| Decode | Codec VC-1 | No |
| Decode / Encode | Codec JPEG | No |
Memory & PCIeThe Intel Core i7-1255UL supports a maximum of 64 GB of memory in 2 memory channels. The Intel Xeon Gold 6426Y can connect up to 4096 GB of memory in 8 memory channels. |
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| Intel Core i7-1255UL | Characteristic | Intel Xeon Gold 6426Y |
| DDR5-4800, DDR4-3200 | Memory | DDR5-4400, DDR5-4800 |
| 64 GB | Max. Memory | 4096 GB |
| 2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
| 76.8 GB/s | Max. Bandwidth | 307.2 GB/s |
| No | ECC | Yes |
| 6.50 MB | L2 Cache | -- |
| 12.00 MB | L3 Cache | 37.50 MB |
| 4.0 | PCIe version | 5.0 |
| 28 | PCIe lanes | 80 |
| 55.1 GB/s | PCIe Bandwidth | 315.0 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i7-1255UL has a TDP of 15 W, that of the Intel Xeon Gold 6426Y is 185 W. |
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| Intel Core i7-1255UL | Characteristic | Intel Xeon Gold 6426Y |
| 15 W | TDP (PL1 / PBP) | 185 W |
| 55 W | TDP (PL2) | -- |
| 28 W | TDP up | -- |
| 12 W | TDP down | -- |
| 100 °C | Tjunction max. | -- |
Technical detailsThe Intel Core i7-1255UL has a 18.50 MB cache, while the Intel Xeon Gold 6426Y cache has a total of 37.50 MB. |
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| Intel Core i7-1255UL | Characteristic | Intel Xeon Gold 6426Y |
| 10 nm | Technology | 10 nm |
| Monolithic | Chip design | Chiplet |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4.1, SSE4.2, AVX2 | ISA extensions | SSE4.1, SSE4.2, AVX2, AVX-512 |
| BGA 1744 | Socket | LGA 4677 |
| VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-x EPT, VT-d |
| Yes | AES-NI | Yes |
| Windows 10, Windows 11, Linux | Operating systems | Windows, Linux |
| Q3/2022 | Release date | Q1/2023 |
| -- | Release price | 1517 $ |
| show more data | show more data | |
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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 Core i7-1255UL
Intel Iris Xe Graphics 96 (Alder Lake) @ 1.25 GHz |
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Intel Xeon Gold 6426Y
@ 0.00 GHz |
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Devices using this processor |
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| Intel Core i7-1255UL | Intel Xeon Gold 6426Y |
| Unknown | Unknown |
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