Intel Core Ultra 7 165H | Intel Core 2 Quad Q8400s | |
CPU comparisonIntel Core Ultra 7 165H or Intel Core 2 Quad Q8400s - 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 Ultra 7 165H has 16 cores with 22 threads and clocks with a maximum frequency of 5.00 GHz. Up to 96 GB of memory is supported in 2 memory channels. The Intel Core Ultra 7 165H was released in Q4/2023. The Intel Core 2 Quad Q8400s has 4 cores with 4 threads and clocks with a maximum frequency of 2.66 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Core 2 Quad Q8400s was released in Q2/2009. |
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Intel Core Ultra 7 (10) | Family | Intel Core2 Quad (19) |
Intel Core Ultra 100H (5) | CPU group | Intel Core 2 Quad Q8000/Q9000 (16) |
1 | Generation | 2 |
Meteor Lake H | Architecture | Yorkfield (Penryn) |
Mobile | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core Ultra 7 165H has 16 CPU cores and can calculate 22 threads in parallel. The clock frequency of the Intel Core Ultra 7 165H is 1.40 GHz (5.00 GHz) while the Intel Core 2 Quad Q8400s has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Core 2 Quad Q8400s is at 2.66 GHz. |
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Intel Core Ultra 7 165H | Characteristic | Intel Core 2 Quad Q8400s |
16 | Cores | 4 |
22 | Threads | 4 |
hybrid (big.LITTLE) | Core architecture | normal |
Yes | Hyperthreading | No |
No | Overclocking ? | No |
1.40 GHz (5.00 GHz) 6x Redwood Cove |
A-Core | 2.66 GHz |
0.90 GHz (3.80 GHz) 8x Crestmont |
B-Core | -- |
0.70 GHz (2.50 GHz) 2x Crestmont |
C-Core | -- |
NPU AI performanceThe performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. |
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Intel Core Ultra 7 165H | Characteristic | Intel Core 2 Quad Q8400s |
Intel® AI Boost | AI hardware | -- |
Intel AI Boost @ 1.4 GHz (OpenVINO, WindowsML, DirectML, ONNX RT) | AI specifications | -- |
-- | NPU + CPU + iGPU | -- |
Integrated graphics (iGPU)The Intel Core Ultra 7 165H or Intel Core 2 Quad Q8400s has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die. |
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Intel Iris Xe 8 Core Graphics 128 EUs (Meteor Lake) | GPU | no iGPU |
0.60 GHz | GPU frequency | -- |
2.30 GHz | GPU (Turbo) | -- |
-- | GPU Generation | -- |
5 nm | Technology | |
4 | Max. displays | |
128 | Compute units | -- |
1024 | Shader | -- |
Yes | Hardware Raytracing | No |
No | Frame Generation | No |
32 GB | Max. GPU Memory | -- |
12.2 | 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 8 Core Graphics 128 EUs (Meteor 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 | Codec VP9 | No |
Decode | Codec VP8 | No |
Decode / Encode | Codec AV1 | No |
Decode / Encode | Codec AVC | No |
Decode | Codec VC-1 | No |
Decode / Encode | Codec JPEG | No |
Memory & PCIeThe Intel Core Ultra 7 165H can use up to 96 GB of memory in 2 memory channels. The maximum memory bandwidth is 120.0 GB/s. The Intel Core 2 Quad Q8400s supports up to 16 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 17.1 GB/s. |
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Intel Core Ultra 7 165H | Characteristic | Intel Core 2 Quad Q8400s |
LPDDR5X-7500, DDR5-5600 | Memory | DDR3-1066, DDR2-800 |
96 GB | Max. Memory | 16 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
120.0 GB/s | Max. Bandwidth | 17.1 GB/s |
No | ECC | No |
18.00 MB | L2 Cache | 4.00 MB |
24.00 MB | L3 Cache | -- |
5.0 | PCIe version | -- |
20 | PCIe lanes | -- |
78.8 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Core Ultra 7 165H is 28 W, while the Intel Core 2 Quad Q8400s has a TDP of 65 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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Intel Core Ultra 7 165H | Characteristic | Intel Core 2 Quad Q8400s |
28 W | TDP (PL1 / PBP) | 65 W |
115 W | TDP (PL2) | -- |
65 W | TDP up | -- |
20 W | TDP down | -- |
110 °C | Tjunction max. | -- |
Technical detailsThe Intel Core Ultra 7 165H is manufactured in 7 nm and has 42.00 MB cache. The Intel Core 2 Quad Q8400s is manufactured in 45 nm and has a 4.00 MB cache. |
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Intel Core Ultra 7 165H | Characteristic | Intel Core 2 Quad Q8400s |
7 nm | Technology | 45 nm |
Chiplet | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2, AVX2 | ISA extensions | MMX, SSE2, SSE3, SSE4.1 |
BGA 2049 | Socket | LGA 775 |
VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-d |
Yes | AES-NI | No |
Windows 11, Linux | Operating systems | Windows 10, Linux |
Q4/2023 | Release date | Q2/2009 |
-- | Release price | -- |
show more data | show more data | |
Intel Core Ultra 7 165H
16C 22T @ 5.00 GHz |
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Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz |
Intel Core Ultra 7 165H
16C 22T @ 4.40 GHz |
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Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz |
Intel Core Ultra 7 165H
16C 22T @ 5.00 GHz |
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Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz |
Intel Core Ultra 7 165H
16C 22T @ 4.40 GHz |
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Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz |
Intel Core Ultra 7 165H
Intel Iris Xe 8 Core Graphics 128 EUs (Meteor Lake) @ 2.30 GHz |
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Intel Core 2 Quad Q8400s
@ 0.00 GHz |
Devices using this processor |
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Intel Core Ultra 7 165H | Intel Core 2 Quad Q8400s |
Unknown | Unknown |