Intel Core i7-1255U | Apple M3 Max (14-CPU 30-GPU) | |
CPU comparisonIntel Core i7-1255U or Apple M3 Max (14-CPU 30-GPU) - 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 i7-1255U has 10 cores with 12 threads and clocks with a maximum frequency of 4.70 GHz. Up to 64 GB of memory is supported in 2 memory channels. The Intel Core i7-1255U was released in Q1/2022. The Apple M3 Max (14-CPU 30-GPU) has 14 cores with 14 threads and clocks with a maximum frequency of 4.06 GHz. The CPU supports up to 96 GB of memory in 3 memory channels. The Apple M3 Max (14-CPU 30-GPU) was released in Q4/2023. |
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Intel Core i7 (298) | Family | Apple M series (25) |
Intel Core i 1200P/1200U (21) | CPU group | Apple M3 (6) |
12 | Generation | 3 |
Alder Lake U | Architecture | M3 |
Mobile | Segment | Mobile |
-- | Predecessor | Apple M2 Max (30-GPU) |
Intel Core i7-1355U | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i7-1255U has 10 CPU cores and can calculate 12 threads in parallel. The clock frequency of the Intel Core i7-1255U is 1.70 GHz (4.70 GHz) while the Apple M3 Max (14-CPU 30-GPU) has 14 CPU cores and 14 threads can calculate simultaneously. The clock frequency of the Apple M3 Max (14-CPU 30-GPU) is at 0.70 GHz (4.06 GHz). |
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Intel Core i7-1255U | Characteristic | Apple M3 Max (14-CPU 30-GPU) |
10 | Cores | 14 |
12 | Threads | 14 |
hybrid (big.LITTLE) | Core architecture | hybrid (big.LITTLE) |
Yes | Hyperthreading | No |
No | Overclocking ? | No |
1.70 GHz (4.70 GHz) 2x Golden Cove |
A-Core | 0.70 GHz (4.06 GHz) 10x P-Core |
1.20 GHz (3.50 GHz) 8x Gracemont |
B-Core | 0.74 GHz (2.75 GHz) 4x E-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 i7-1255U | Characteristic | Apple M3 Max (14-CPU 30-GPU) |
-- | AI hardware | Apple Neural Engine |
-- | AI specifications | 16 Neural cores @ 35 TOPS |
-- | NPU + CPU + iGPU | -- |
Integrated graphics (iGPU)The Intel Core i7-1255U or Apple M3 Max (14-CPU 30-GPU) 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 Graphics 96 (Alder Lake) | GPU | Apple M3 Max (30 Core) |
0.35 GHz | GPU frequency | 0.39 GHz |
1.25 GHz | GPU (Turbo) | 1.40 GHz |
13 | GPU Generation | -- |
10 nm | Technology | 3 nm |
4 | Max. displays | 5 |
96 | Compute units | 480 |
768 | Shader | 3840 |
No | Hardware Raytracing | Yes |
No | Frame Generation | No |
32 GB | Max. GPU Memory | 96 GB |
12.1 | 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 Graphics 96 (Alder Lake) | GPU | Apple M3 Max (30 Core) |
Decode / Encode | Codec h265 / HEVC (8 bit) | Decode / Encode |
Decode / Encode | Codec h265 / HEVC (10 bit) | Decode / Encode |
Decode / Encode | Codec h264 | Decode / Encode |
Decode / Encode | Codec VP9 | Decode / Encode |
Decode | Codec VP8 | Decode |
Decode | Codec AV1 | Decode |
Decode / Encode | Codec AVC | Decode |
Decode | Codec VC-1 | Decode |
Decode / Encode | Codec JPEG | Decode / Encode |
Memory & PCIeThe Intel Core i7-1255U can use up to 64 GB of memory in 2 memory channels. The maximum memory bandwidth is 83.2 GB/s. The Apple M3 Max (14-CPU 30-GPU) supports up to 96 GB of memory in 3 memory channels and achieves a memory bandwidth of up to 307.2 GB/s. |
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Intel Core i7-1255U | Characteristic | Apple M3 Max (14-CPU 30-GPU) |
LPDDR5-5200, LPDDR4X-4266, DDR5-4800, DDR4-3200 | Memory | LPDDR5-6400 |
64 GB | Max. Memory | 96 GB |
2 (Dual Channel) | Memory channels | 3 |
83.2 GB/s | Max. Bandwidth | 307.2 GB/s |
No | ECC | No |
6.50 MB | L2 Cache | 36.00 MB |
12.00 MB | L3 Cache | -- |
4.0 | PCIe version | 4.0 |
28 | PCIe lanes | -- |
55.1 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Core i7-1255U is 15 W, while the Apple M3 Max (14-CPU 30-GPU) has a TDP of 50 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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Intel Core i7-1255U | Characteristic | Apple M3 Max (14-CPU 30-GPU) |
15 W | TDP (PL1 / PBP) | 50 W |
55 W | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
100 °C | Tjunction max. | 100 °C |
Technical detailsThe Intel Core i7-1255U is manufactured in 10 nm and has 18.50 MB cache. The Apple M3 Max (14-CPU 30-GPU) is manufactured in 3 nm and has a 36.00 MB cache. |
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Intel Core i7-1255U | Characteristic | Apple M3 Max (14-CPU 30-GPU) |
10 nm | Technology | 3 nm |
Monolithic | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | Armv8-A (64 bit) |
SSE4.1, SSE4.2, AVX2 | ISA extensions | Rosetta 2 x86-Emulation |
BGA 1744 | Socket | -- |
VT-x, VT-x EPT, VT-d | Virtualization | Apple Virtualization Framework |
Yes | AES-NI | Yes |
Windows 10, Windows 11, Linux | Operating systems | macOS, iPadOS |
Q1/2022 | Release date | Q4/2023 |
-- | Release price | -- |
show more data | show more data | |
Intel Core i7-1255U
10C 12T @ 4.70 GHz |
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Apple M3 Max (14-CPU 30-GPU)
14C 14T @ 4.06 GHz |
Intel Core i7-1255U
10C 12T @ 2.70 GHz |
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Apple M3 Max (14-CPU 30-GPU)
14C 14T @ 3.60 GHz |
Intel Core i7-1255U
10C 12T @ 4.70 GHz |
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Apple M3 Max (14-CPU 30-GPU)
14C 14T @ 4.06 GHz |
Intel Core i7-1255U
10C 12T @ 2.70 GHz |
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Apple M3 Max (14-CPU 30-GPU)
14C 14T @ 3.60 GHz |
Intel Core i7-1255U
10C 12T @ 4.70 GHz |
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Apple M3 Max (14-CPU 30-GPU)
14C 14T @ 4.06 GHz |
Intel Core i7-1255U
10C 12T @ 2.70 GHz |
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Apple M3 Max (14-CPU 30-GPU)
14C 14T @ 3.60 GHz |
Intel Core i7-1255U
Intel Iris Xe Graphics 96 (Alder Lake) @ 1.25 GHz |
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Apple M3 Max (14-CPU 30-GPU)
Apple M3 Max (30 Core) @ 1.40 GHz |
Intel Core i7-1255U
10C 12T @ 4.70 GHz |
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Apple M3 Max (14-CPU 30-GPU)
14C 14T @ 4.06 GHz |
Intel Core i7-1255U
10C 12T @ 4.70 GHz |
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Apple M3 Max (14-CPU 30-GPU)
14C 14T @ 4.06 GHz |
Intel Core i7-1255U
10C 12T @ 4.70 GHz |
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Apple M3 Max (14-CPU 30-GPU)
14C 14T @ 4.06 GHz |
Intel Core i7-1255U
10C 12T @ 2.70 GHz |
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Apple M3 Max (14-CPU 30-GPU)
14C 14T @ 3.60 GHz |
Intel Core i7-1255U
10C 12T @ 2.70 GHz |
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Apple M3 Max (14-CPU 30-GPU)
14C 14T @ 3.60 GHz |
Intel Core i7-1255U
10C 12T @ 4.70 GHz |
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Apple M3 Max (14-CPU 30-GPU)
14C 14T @ 4.06 GHz |
Intel Core i7-1255U
10C 12T @ 2.70 GHz |
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Apple M3 Max (14-CPU 30-GPU)
14C 14T @ 3.60 GHz |
Intel Core i7-1255U
10C 12T @ 1.70 GHz |
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Apple M3 Max (14-CPU 30-GPU)
14C 14T @ 0.70 GHz |
Devices using this processor |
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Intel Core i7-1255U | Apple M3 Max (14-CPU 30-GPU) |
Unknown | Apple MacBook Pro 14 (2023) Apple MacBook Pro 16 (2023) |