iGPU - FP32 Performance (Single-precision GFLOPS)
Intel Core i7-6660U
2C 4T @ 2.4 GHz
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806
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CPU comparison with benchmarks |
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CPU lineage |
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Intel Core i7-6660U or Intel Core i7-6660U – 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 Core i7-6660U features 2 processor cores and has the capability to manage 4 threads concurrently. It was released in Q1/2016 and belongs to the 6 generation of the Intel Core i7 series. To use the Intel Core i7-6660U, you'll need a motherboard with a BGA 1356 socket. The Intel Core i7-2657M features 2 processor cores and has the capability to manage 4 threads concurrently. It was released in Q1/2011 and belongs to the 2 generation of the Intel Core i7 series. To use the Intel Core i7-2657M, you'll need a motherboard with a BGA 1023 socket. |
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Mobile | Segment | Mobile |
Intel Core i7-6660U | Name | Intel Core i7-2657M |
Intel Core i 6000U | Group | Intel Core i 2000M |
6 | Generation | 2 |
Intel Core i7 | Family | Intel Core i7 |
CPU Cores and Base Frequency |
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The Intel Core i7-6660U has 2 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the Intel Core i7-6660U is 2.4 GHz and turbo frequency for one core is 3.4 GHz. The Intel Core i7-2657M has 2 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Core i7-2657M is 1.6 GHz and turbo frequency for one core is 2.7 GHz. |
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No | Overclocking | No |
3.4 GHz | Turbo Frequency (1 core) | 2.7 GHz |
4 | Threads | 4 |
Yes | Hyperthreading | Yes |
2x | Cores | 2x |
2.4 GHz | Frequency | 1.6 GHz |
2 | CPU Cores | 2 |
normal | Core architecture | normal |
Internal Graphics |
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The Intel Core i7-6660U has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-6660U uses the Intel Iris Graphics 540, which has 384 texture shaders and 48 execution units. The iGPU uses the system's main memory as graphics memory and sits on the processor's die. The Intel Core i7-2657M has integrated graphics, called iGPU for short. Specifically, the Intel Core i7-2657M uses the Intel HD Graphics 3000, which has 96 texture shaders and 12 execution units. |
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0.3 GHz | GPU frequency | 0.35 GHz |
48 | Execution units | 12 |
Q3/2015 | Release date | Q1/2011 |
1.05 GHz | GPU (Turbo) | 1.0 GHz |
-- | Max. displays | -- |
384 | Shaders | 96 |
32.0 GB | Max. GPU Memory | 2.0 GB |
9 | Generation | 6 |
12 | Direct X | 10.1 |
14 nm | Technology | 32 nm |
Intel Iris Graphics 540 | GPU name | Intel HD Graphics 3000 |
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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Decode / Encode | h265 / HEVC (8 bit) | No |
No | AV1 | No |
No | VP9 | No |
Decode | VC-1 | Decode |
Decode / Encode | VP8 | No |
Decode / Encode | h264 | Decode / Encode |
Decode / Encode | JPEG | No |
Decode / Encode | AVC | Decode / Encode |
No | h265 / HEVC (10 bit) | No |
Memory & PCIe |
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The processor supports a maximum memory capacity of 32.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 34.1 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 8.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 21.3 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance. |
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32.0 GB | Max. Memory | 8.0 GB |
DDR4-2133, LPDDR3-1866 | Memory type | DDR3-1066, DDR3-1333 |
pci | PCIe | pci |
Yes | AES-NI | Yes |
34.1 GB/s | Bandwidth | 21.3 GB/s |
No | ECC | No |
2 | Memory channels | 2 |
Thermal Management |
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The processor has a thermal design power (TDP) of 15 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 17 W watts. |
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15 W | TDP (PL1 / PBP) | 17 W |
9.5 W | TDP down | None |
100 °C | Tjunction max | 100 °C |
Technical details |
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The Intel Core i7-6660U is manufactured using a 14 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU. In total, this processor boasts a generous 4.0 MB cache. A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming. The Intel Core i7-2657M is manufactured using a 32 nm process. |
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Windows 10, Linux | Operating systems | Windows 10, Linux |
0 bytes | L2-Cache | 0 bytes |
SSE4.1, SSE4.2, AVX2 | ISA extensions | SSE4.1, SSE4.2, AVX |
4.0 MB | L3-Cache | 4.0 MB |
Q1/2016 | Release date | Q1/2011 |
415 $ | Release price | 270 $ |
Technical data sheet | Documents | Technical data sheet |
-- | Part Number | -- |
BGA 1356 | Socket | BGA 1023 |
Skylake U | Architecture | Sandy Bridge H |
VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-x EPT |
14 nm | Technology | 32 nm |
Monolithic | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |