iGPU - FP32 Performance (Single-precision GFLOPS)
Intel Core i7-1255U
10C 12T @ 1.7 GHz
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1916
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CPU comparison with benchmarks |
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CPU lineage |
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Intel Xeon D-1523N or Intel Xeon D-1523N – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The Intel Xeon D-1523N features 4 processor cores and has the capability to manage 8 threads concurrently. It was released in Q3/2017 and belongs to the 1 generation of the Intel Xeon D series. To use the Intel Xeon D-1523N, you'll need a motherboard with a BGA 1667 socket. The Intel Core i7-1255U features 10 processor cores and has the capability to manage 12 threads concurrently. It was released in Q1/2022 and belongs to the 12 generation of the Intel Core i7 series. To use the Intel Core i7-1255U, you'll need a motherboard with a BGA 1744 socket. |
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Intel Xeon D | Family | Intel Core i7 |
Intel Xeon D-1523N | Name | Intel Core i7-1255U |
Intel Xeon D-1500 | Group | Intel Core i 1200P/1200U |
Desktop / Server | Segment | Mobile |
1 | Generation | 12 |
CPU Cores and Base Frequency |
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The Intel Xeon D-1523N has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Xeon D-1523N is 2.0 GHz and turbo frequency for one core is 2.6 GHz. The Intel Core i7-1255U has 10 CPU cores and can calculate 12 threads in parallel. The clock frequency of the A-Core is 1.7 GHz. The number of CPU cores greatly affects the speed of the processor and is an important performance indicator. Processors with hybrid (big.LITTLE) architecture strike a balance between performance and power efficiency, making them ideal for mobile devices. |
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Yes | Hyperthreading | Yes |
No | Overclocking | No |
None | None | 3.5 GHz |
None | None | 1.2 GHz |
4x | Cores | None |
8 | Threads | 12 |
None | None | 8x Gracemont |
2.6 GHz | Turbo Frequency (1 core) | None |
2.0 GHz | Frequency | None |
None | None | 4.7 GHz |
normal | Core architecture | hybrid (big.LITTLE) |
None | None | 1.7 GHz |
4 | CPU Cores | 10 |
2.2 GHz | Turbo Frequency (all cores) | None |
None | None | 2x Golden Cove |
Internal Graphics |
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The Intel Xeon D-1523N does not have integrated graphics.
The Intel Core i7-1255U has integrated graphics, called iGPU for short. Specifically, the Intel Core i7-1255U uses the Intel Iris Xe Graphics 96 (Alder Lake), which has 768 texture shaders and 96 execution units. The iGPU uses the system's main memory as graphics memory and sits on the processor's die. |
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-- | GPU frequency | 0.35 GHz |
-- | GPU (Turbo) | 1.25 GHz |
0 bytes | Max. GPU Memory | 32.0 GB |
-- | Max. displays | -- |
-- | Technology | 10 nm |
-- | Generation | 13 |
-- | Release date | Q1/2022 |
-- | Execution units | 96 |
-- | Shaders | 768 |
-- | Direct X | 12.1 |
GPU name | Intel Iris Xe Graphics 96 (Alder Lake) | |
Artificial Intelligence and Machine Learning |
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-- | AI specifications | -- |
-- | AI hardware | -- |
Hardware codec support |
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A 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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-- | h265 / HEVC (8 bit) | Decode / Encode |
-- | AV1 | Decode |
-- | AVC | Decode / Encode |
-- | JPEG | Decode / Encode |
-- | VC-1 | Decode |
-- | VP9 | Decode / Encode |
-- | VP8 | Decode |
-- | h264 | Decode / Encode |
-- | h265 / HEVC (10 bit) | Decode / Encode |
Memory & PCIe |
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The processor supports a maximum memory capacity of 128.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 38.4 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
The processor supports a maximum memory capacity of 64.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 76.8 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance. |
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2 | Memory channels | 2 |
Yes | AES-NI | Yes |
pci | PCIe | pci |
DDR4-2400 | Memory type | DDR4-3200, LPDDR4X-4266, DDR5-4800, LPDDR5-5200 |
128.0 GB | Max. Memory | 64.0 GB |
38.4 GB/s | Bandwidth | 76.8 GB/s |
Yes | ECC | No |
Thermal Management |
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The processor has a thermal design power (TDP) of 45 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself. The processor has a thermal design power (TDP) of 15 W watts. |
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-- | Tjunction max | 100 °C |
None | TDP (PL2) | 55 W |
45 W | TDP (PL1 / PBP) | 15 W |
Technical details |
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The Intel Xeon D-1523N is manufactured using a 14 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU. A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming. The Intel Core i7-1255U is manufactured using a 10 nm process. In total, this processor boasts a generous 12.0 MB cache. |
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0 bytes | L3-Cache | 12.0 MB |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
14 nm | Technology | 10 nm |
274 $ | Release price | -- |
VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-x EPT, VT-d |
6.0 MB | L2-Cache | 6.5 MB |
Q3/2017 | Release date | Q1/2022 |
Technical data sheet | Documents | Technical data sheet |
BGA 1667 | Socket | BGA 1744 |
Windows 10, Linux | Operating systems | Windows 10, Linux, Windows 11 |
SSE4.1, SSE4.2, AVX2 | ISA extensions | SSE4.1, SSE4.2, AVX2 |
-- | Part Number | -- |
Monolithic | Chip design | Monolithic |
Broadwell | Architecture | Alder Lake U |