Intel Core i5-670 vs Intel Core i7-1255UL
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CPU comparison with benchmarks
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| Intel Core i5-670 | Intel Core i7-1255UL | |
CPU comparisonIntel Core i5-670 or Intel Core i7-1255UL - 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 i5-670 has 2 cores with 4 threads and clocks with a maximum frequency of 3.73 GHz. Up to 16 GB of memory is supported in 2 memory channels. The Intel Core i5-670 was released in Q1/2010. The Intel Core i7-1255UL 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 i7-1255UL was released in Q3/2022. |
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| Intel Core i5 (331) | Family | Intel Core i7 (298) |
| Intel Core i5 600 (6) | CPU group | Intel Core i 1200P/1200U (21) |
| 1 | Generation | 12 |
| Clarkdale | Architecture | Alder Lake U |
| Desktop / Server | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i5-670 has 2 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Core i5-670 is 3.46 GHz (3.73 GHz) while the Intel Core i7-1255UL has 10 CPU cores and 12 threads can calculate simultaneously. The clock frequency of the Intel Core i7-1255UL is at 2.60 GHz (4.70 GHz). |
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| Intel Core i5-670 | Characteristic | Intel Core i7-1255UL |
| 2 | Cores | 10 |
| 4 | Threads | 12 |
| normal | Core architecture | hybrid (big.LITTLE) |
| Yes | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 3.46 GHz (3.73 GHz) | A-Core | 2.60 GHz (4.70 GHz) 2x Golden Cove |
| -- | B-Core | 1.20 GHz (3.50 GHz) 8x Gracemont |
Internal GraphicsThe Intel Core i5-670 or Intel Core i7-1255UL 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 HD Graphics (Westmere) | GPU | Intel Iris Xe Graphics 96 (Alder Lake) |
| 0.50 GHz | GPU frequency | 0.35 GHz |
| 0.73 GHz | GPU (Turbo) | 1.25 GHz |
| 5 | GPU Generation | 13 |
| 32 nm | Technology | 10 nm |
| 2 | Max. displays | 4 |
| 12 | Compute units | 96 |
| 24 | Shader | 768 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 2 GB | Max. GPU Memory | 32 GB |
| 10.1 | 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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| Intel HD Graphics (Westmere) | GPU | Intel Iris Xe Graphics 96 (Alder Lake) |
| No | Codec h265 / HEVC (8 bit) | Decode / Encode |
| No | Codec h265 / HEVC (10 bit) | Decode / Encode |
| Decode | Codec h264 | Decode / Encode |
| No | Codec VP9 | Decode / Encode |
| No | Codec VP8 | Decode |
| No | Codec AV1 | Decode |
| Decode | Codec AVC | Decode / Encode |
| No | Codec VC-1 | Decode |
| No | Codec JPEG | Decode / Encode |
Memory & PCIeThe Intel Core i5-670 can use up to 16 GB of memory in 2 memory channels. The maximum memory bandwidth is 21.3 GB/s. The Intel Core i7-1255UL supports up to 64 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 76.8 GB/s. |
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| Intel Core i5-670 | Characteristic | Intel Core i7-1255UL |
| DDR3-1066, DDR3-1333 | Memory | DDR5-4800, DDR4-3200 |
| 16 GB | Max. Memory | 64 GB |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 21.3 GB/s | Max. Bandwidth | 76.8 GB/s |
| No | ECC | No |
| 0.50 MB | L2 Cache | 6.50 MB |
| 4.00 MB | L3 Cache | 12.00 MB |
| 2.0 | PCIe version | 4.0 |
| 16 | PCIe lanes | 28 |
| 8.0 GB/s | PCIe Bandwidth | 55.1 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Core i5-670 is 73 W, while the Intel Core i7-1255UL has a TDP of 15 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| Intel Core i5-670 | Characteristic | Intel Core i7-1255UL |
| 73 W | TDP (PL1 / PBP) | 15 W |
| -- | TDP (PL2) | 55 W |
| -- | TDP up | 28 W |
| -- | TDP down | 12 W |
| -- | Tjunction max. | 100 °C |
Technical detailsThe Intel Core i5-670 is manufactured in 32 nm and has 4.50 MB cache. The Intel Core i7-1255UL is manufactured in 10 nm and has a 18.50 MB cache. |
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| Intel Core i5-670 | Characteristic | Intel Core i7-1255UL |
| 32 nm | Technology | 10 nm |
| Monolithic | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4.1, SSE4.2 | ISA extensions | SSE4.1, SSE4.2, AVX2 |
| LGA 1156 | Socket | BGA 1744 |
| VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-x EPT, VT-d |
| Yes | AES-NI | Yes |
| Windows 10, Linux | Operating systems | Windows 10, Windows 11, Linux |
| Q1/2010 | Release date | Q3/2022 |
| 305 $ | Release price | -- |
| show more data | show more data | |
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10C 12T @ 2.60 GHz (4.70 GHz) buy now on Amazon and save!
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Rate these processors
iGPU - FP32 Performance (Single-precision GFLOPS)
The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
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Intel Core i5-670
Intel HD Graphics (Westmere) @ 0.73 GHz |
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Intel Core i7-1255UL
Intel Iris Xe Graphics 96 (Alder Lake) @ 1.25 GHz |
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Geekbench 5, 64bit (Single-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
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Intel Core i5-670
2C 4T @ 3.73 GHz |
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Intel Core i7-1255UL
10C 12T @ 4.70 GHz |
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Geekbench 5, 64bit (Multi-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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Intel Core i5-670
2C 4T @ 3.46 GHz |
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Intel Core i7-1255UL
10C 12T @ 3.30 GHz |
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Estimated results for PassMark CPU Mark
Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
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Intel Core i5-670
2C 4T @ 3.46 GHz |
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Intel Core i7-1255UL
10C 12T @ 3.30 GHz |
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Devices using this processor |
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| Intel Core i5-670 | Intel Core i7-1255UL |
| Unknown | Unknown |
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