iGPU - FP32 Performance (Single-precision GFLOPS)
Intel Core i5-6685R
4C 4T @ 3.2 GHz
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1325
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CPU comparison with benchmarks |
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CPU lineage |
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Intel Core 2 Quad Q8400s or Intel Core 2 Quad Q8400s – 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 2 Quad Q8400s features 4 processor cores and has the capability to manage 4 threads concurrently. It was released in Q2/2009 and belongs to the 2 generation of the Intel Core2 Quad series. To use the Intel Core 2 Quad Q8400s, you'll need a motherboard with a LGA 775 socket. The Intel Core i5-6685R features 4 processor cores and has the capability to manage 4 threads concurrently. It was released in Q2/2016 and belongs to the 6 generation of the Intel Core i5 series. To use the Intel Core i5-6685R, you'll need a motherboard with a BGA 1440 socket. |
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2 | Generation | 6 |
Intel Core2 Quad | Family | Intel Core i5 |
Intel Core 2 Quad Q8000/Q9000 | Group | Intel Core i 6000 |
Intel Core 2 Quad Q8400s | Name | Intel Core i5-6685R |
Desktop / Server | Segment | Desktop / Server |
CPU Cores and Base Frequency |
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The Intel Core 2 Quad Q8400s has 4 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the Intel Core 2 Quad Q8400s is 2.66 GHz The Intel Core i5-6685R has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Core i5-6685R is 3.2 GHz and turbo frequency for one core is 3.8 GHz. |
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None | None | 3.8 GHz |
4 | Threads | 4 |
2.66 GHz | Frequency | 3.2 GHz |
4x | Cores | 4x |
No | Hyperthreading | No |
None | None | 3.4 GHz |
4 | CPU Cores | 4 |
normal | Core architecture | normal |
No | Overclocking | No |
Internal Graphics |
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The Intel Core 2 Quad Q8400s does not have integrated graphics.
The Intel Core i5-6685R has integrated graphics, called iGPU for short. Specifically, the Intel Core i5-6685R uses the Intel Iris Pro Graphics 580, which has 576 texture shaders and 72 execution units. The iGPU uses the system's main memory as graphics memory and sits on the processor's die. |
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-- | Generation | 9 |
-- | Release date | Q3/2015 |
-- | Max. displays | -- |
-- | Execution units | 72 |
-- | Shaders | 576 |
-- | GPU (Turbo) | 1.15 GHz |
-- | GPU frequency | 0.35 GHz |
-- | Technology | 14 nm |
GPU name | Intel Iris Pro Graphics 580 | |
0 bytes | Max. GPU Memory | 32.0 GB |
-- | Direct X | 12.0 |
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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-- | JPEG | Decode / Encode |
-- | h264 | Decode / Encode |
-- | AV1 | No |
-- | VP9 | Decode |
-- | h265 / HEVC (10 bit) | Decode |
-- | AVC | Decode / Encode |
-- | h265 / HEVC (8 bit) | Decode / Encode |
-- | VP8 | Decode / Encode |
-- | VC-1 | Decode |
Memory & PCIe |
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The processor supports a maximum memory capacity of 64.0 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.
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2 | Memory channels | 2 |
16.0 GB | Max. Memory | 64.0 GB |
DDR3-1066, DDR2-800 | Memory type | DDR4-2133 |
No | AES-NI | Yes |
-- | Bandwidth | 34.1 GB/s |
No | ECC | No |
pci | PCIe | pci |
Thermal Management |
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The processor has a thermal design power (TDP) of 65 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. |
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65 W | TDP (PL1 / PBP) | 65 W |
-- | Tjunction max | -- |
Technical details |
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The Intel Core 2 Quad Q8400s is manufactured using a 45 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 i5-6685R is manufactured using a 14 nm process. In total, this processor boasts a generous 6.0 MB cache. |
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Q2/2009 | Release date | Q2/2016 |
Yorkfield (Penryn) | Architecture | Skylake S |
Technical data sheet | Documents | Technical data sheet |
VT-x, VT-d | Virtualization | VT-x, VT-x EPT, VT-d |
Monolithic | Chip design | Monolithic |
0 bytes | L3-Cache | 6.0 MB |
SSE3, SSE4.1, MMX, SSE2 | ISA extensions | SSE4.1, SSE4.2, AVX2 |
45 nm | Technology | 14 nm |
LGA 775 | Socket | BGA 1440 |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
-- | Part Number | -- |
-- | Release price | -- |
Windows 10, Linux | Operating systems | Windows 10, Linux |
4.0 MB | L2-Cache | 0 bytes |