Intel Core 2 Quad Q8400s | Intel Core i7-1250U | |
CPU comparisonIntel Core 2 Quad Q8400s or Intel Core i7-1250U - 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 2 Quad Q8400s has 4 cores with 4 threads and clocks with a maximum frequency of 2.66 GHz. Up to 16 GB of memory is supported in 2 memory channels. The Intel Core 2 Quad Q8400s was released in Q2/2009. The Intel Core i7-1250U has 10 cores with 12 threads and clocks with a maximum frequency of 4.70 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The Intel Core i7-1250U was released in Q1/2022. |
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Intel Core2 Quad (19) | Family | Intel Core i7 (298) |
Intel Core 2 Quad Q8000/Q9000 (16) | CPU group | Intel Core i 1200P/1200U (21) |
2 | Generation | 12 |
Yorkfield (Penryn) | Architecture | Alder Lake U |
Desktop / Server | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core 2 Quad Q8400s is a 4 core processor with a clock frequency of 2.66 GHz. The Intel Core i7-1250U has 10 CPU cores with a clock frequency of 1.10 GHz (4.70 GHz). |
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Intel Core 2 Quad Q8400s | Characteristic | Intel Core i7-1250U |
4 | Cores | 10 |
4 | Threads | 12 |
normal | Core architecture | hybrid (big.LITTLE) |
No | Hyperthreading | Yes |
No | Overclocking ? | No |
2.66 GHz | A-Core | 1.10 GHz (4.70 GHz) 2x Golden Cove |
-- | B-Core | 0.80 GHz (3.50 GHz) 8x Gracemont |
Internal GraphicsThe 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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no iGPU | GPU | Intel Iris Xe Graphics 96 (Alder Lake) |
GPU frequency | 0.25 GHz | |
-- | GPU (Turbo) | 0.90 GHz |
-- | GPU Generation | 13 |
Technology | 10 nm | |
Max. displays | 4 | |
-- | Compute units | 96 |
-- | Shader | 768 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | 32 GB |
-- | DirectX Version | 12.1 |
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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no iGPU | GPU | Intel Iris Xe Graphics 96 (Alder Lake) |
No | Codec h265 / HEVC (8 bit) | Decode / Encode |
No | Codec h265 / HEVC (10 bit) | Decode / Encode |
No | Codec h264 | Decode / Encode |
No | Codec VP9 | Decode / Encode |
No | Codec VP8 | Decode |
No | Codec AV1 | Decode |
No | Codec AVC | Decode / Encode |
No | Codec VC-1 | Decode |
No | Codec JPEG | Decode / Encode |
Memory & PCIeThe Intel Core 2 Quad Q8400s supports a maximum of 16 GB of memory in 2 memory channels. The Intel Core i7-1250U can connect up to 64 GB of memory in 2 memory channels. |
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Intel Core 2 Quad Q8400s | Characteristic | Intel Core i7-1250U |
DDR3-1066, DDR2-800 | Memory | LPDDR5-5200, LPDDR4X-4266, DDR5-4800, DDR4-3200 |
16 GB | Max. Memory | 64 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
17.1 GB/s | Max. Bandwidth | 83.2 GB/s |
No | ECC | No |
4.00 MB | L2 Cache | 6.50 MB |
-- | L3 Cache | 12.00 MB |
-- | PCIe version | 4.0 |
-- | PCIe lanes | 28 |
-- | PCIe Bandwidth | 55.1 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core 2 Quad Q8400s has a TDP of 65 W, that of the Intel Core i7-1250U is 9 W. |
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Intel Core 2 Quad Q8400s | Characteristic | Intel Core i7-1250U |
65 W | TDP (PL1 / PBP) | 9 W |
-- | TDP (PL2) | 29 W |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | 100 °C |
Technical detailsThe Intel Core 2 Quad Q8400s has a 4.00 MB cache, while the Intel Core i7-1250U cache has a total of 18.50 MB. |
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Intel Core 2 Quad Q8400s | Characteristic | Intel Core i7-1250U |
45 nm | Technology | 10 nm |
Monolithic | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
MMX, SSE2, SSE3, SSE4.1 | ISA extensions | SSE4.1, SSE4.2, AVX2 |
LGA 775 | Socket | BGA 1744 |
VT-x, VT-d | Virtualization | VT-x, VT-x EPT, VT-d |
No | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Windows 11, Linux |
Q2/2009 | Release date | Q1/2022 |
-- | Release price | -- |
show more data | show more data | |
Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz |
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Intel Core i7-1250U
10C 12T @ 4.70 GHz |
Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz |
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Intel Core i7-1250U
10C 12T @ 2.50 GHz |
Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz |
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Intel Core i7-1250U
10C 12T @ 4.70 GHz |
Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz |
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Intel Core i7-1250U
10C 12T @ 2.50 GHz |
Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz |
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Intel Core i7-1250U
10C 12T @ 4.70 GHz |
Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz |
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Intel Core i7-1250U
10C 12T @ 2.50 GHz |
Intel Core 2 Quad Q8400s
@ 0.00 GHz |
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Intel Core i7-1250U
Intel Iris Xe Graphics 96 (Alder Lake) @ 0.90 GHz |
Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz |
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Intel Core i7-1250U
10C 12T @ 2.50 GHz |
Devices using this processor |
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Intel Core 2 Quad Q8400s | Intel Core i7-1250U |
Unknown | Unknown |