Apple M1 Ultra (64-GPU) | Intel Core i7-1355U | |
CPU comparisonApple M1 Ultra (64-GPU) or Intel Core i7-1355U - 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 Apple M1 Ultra (64-GPU) has 20 cores with 20 threads and clocks with a maximum frequency of 3.20 GHz. Up to 128 GB of memory is supported in 8 memory channels. The Apple M1 Ultra (64-GPU) was released in Q1/2022. The Intel Core i7-1355U has 10 cores with 12 threads and clocks with a maximum frequency of 5.00 GHz. The CPU supports up to 96 GB of memory in 2 memory channels. The Intel Core i7-1355U was released in Q1/2023. |
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Apple M series (25) | Family | Intel Core i7 (298) |
Apple M1 (9) | CPU group | Intel Core i 1300P/1300U (29) |
1 | Generation | 13 |
M1 | Architecture | Raptor Lake U |
Mobile | Segment | Mobile |
-- | Predecessor | Intel Core i7-1255U |
Apple M2 Ultra (76-GPU) | Successor | -- |
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CPU Cores and Base FrequencyThe Apple M1 Ultra (64-GPU) has 20 CPU cores and can calculate 20 threads in parallel. The clock frequency of the Apple M1 Ultra (64-GPU) is 0.60 GHz (3.20 GHz) while the Intel Core i7-1355U has 10 CPU cores and 12 threads can calculate simultaneously. The clock frequency of the Intel Core i7-1355U is at 1.70 GHz (5.00 GHz). |
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Apple M1 Ultra (64-GPU) | Characteristic | Intel Core i7-1355U |
20 | Cores | 10 |
20 | Threads | 12 |
hybrid (big.LITTLE) | Core architecture | hybrid (big.LITTLE) |
No | Hyperthreading | Yes |
No | Overclocking ? | No |
0.60 GHz (3.20 GHz) 16x Firestorm |
A-Core | 1.70 GHz (5.00 GHz) 2x Raptor Cove |
0.60 GHz (2.06 GHz) 4x Icestorm |
B-Core | 1.20 GHz (3.70 GHz) 8x Gracemont |
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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Apple M1 Ultra (64-GPU) | Characteristic | Intel Core i7-1355U |
Apple Neural Engine | AI hardware | -- |
32 Neural cores @ 22 TOPS | AI specifications | -- |
-- | NPU + CPU + iGPU | -- |
Integrated graphics (iGPU)The Apple M1 Ultra (64-GPU) or Intel Core i7-1355U 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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Apple M1 Ultra (64 Core) | GPU | Intel Iris Xe Graphics 96 (Alder Lake) |
0.39 GHz | GPU frequency | 0.35 GHz |
1.30 GHz | GPU (Turbo) | 1.30 GHz |
1 | GPU Generation | 13 |
5 nm | Technology | 10 nm |
5 | Max. displays | 4 |
1024 | Compute units | 96 |
8192 | Shader | 768 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
64 GB | 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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Apple M1 Ultra (64 Core) | GPU | Intel Iris Xe Graphics 96 (Alder Lake) |
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 |
No | Codec AV1 | Decode |
Decode | Codec AVC | Decode / Encode |
Decode | Codec VC-1 | Decode |
Decode / Encode | Codec JPEG | Decode / Encode |
Memory & PCIeThe Apple M1 Ultra (64-GPU) can use up to 128 GB of memory in 8 memory channels. The maximum memory bandwidth is 819.2 GB/s. The Intel Core i7-1355U supports up to 96 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 102.4 GB/s. |
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Apple M1 Ultra (64-GPU) | Characteristic | Intel Core i7-1355U |
LPDDR5-6400 | Memory | LPDDR5-6400, LPDDR4X-4266, DDR5-5200, DDR4-3200 |
128 GB | Max. Memory | 96 GB |
8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
819.2 GB/s | Max. Bandwidth | 102.4 GB/s |
No | ECC | No |
52.00 MB | L2 Cache | -- |
-- | L3 Cache | 12.00 MB |
4.0 | PCIe version | 4.0 |
-- | PCIe lanes | 20 |
-- | PCIe Bandwidth | 39.4 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Apple M1 Ultra (64-GPU) is 60 W, while the Intel Core i7-1355U 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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Apple M1 Ultra (64-GPU) | Characteristic | Intel Core i7-1355U |
60 W | TDP (PL1 / PBP) | 15 W |
-- | TDP (PL2) | 55 W |
120 W | TDP up | -- |
-- | TDP down | 12 W |
-- | Tjunction max. | 100 °C |
Technical detailsThe Apple M1 Ultra (64-GPU) is manufactured in 5 nm and has 52.00 MB cache. The Intel Core i7-1355U is manufactured in 10 nm and has a 12.00 MB cache. |
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Apple M1 Ultra (64-GPU) | Characteristic | Intel Core i7-1355U |
5 nm | Technology | 10 nm |
Chiplet | Chip design | Monolithic |
Armv8.5-A (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
Rosetta 2 x86-Emulation | ISA extensions | SSE4.1, SSE4.2, AVX2 |
-- | Socket | BGA 1744 |
Apple Virtualization Framework | Virtualization | VT-x, VT-x EPT, VT-d |
Yes | AES-NI | Yes |
macOS | Operating systems | Windows 10, Windows 11, Linux |
Q1/2022 | Release date | Q1/2023 |
-- | Release price | -- |
show more data | show more data | |
Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz |
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Intel Core i7-1355U
10C 12T @ 5.00 GHz |
Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz |
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Intel Core i7-1355U
10C 12T @ 5.00 GHz |
Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz |
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Intel Core i7-1355U
10C 12T @ 5.00 GHz |
Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz |
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Intel Core i7-1355U
10C 12T @ 1.70 GHz |
Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz |
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Intel Core i7-1355U
10C 12T @ 5.00 GHz |
Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz |
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Intel Core i7-1355U
10C 12T @ 1.70 GHz |
Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz |
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Intel Core i7-1355U
10C 12T @ 5.00 GHz |
Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz |
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Intel Core i7-1355U
10C 12T @ 1.70 GHz |
Apple M1 Ultra (64-GPU)
Apple M1 Ultra (64 Core) @ 1.30 GHz |
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Intel Core i7-1355U
Intel Iris Xe Graphics 96 (Alder Lake) @ 1.30 GHz |
Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz |
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Intel Core i7-1355U
10C 12T @ 1.70 GHz |
Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz |
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Intel Core i7-1355U
10C 12T @ 1.70 GHz |
Apple M1 Ultra (64-GPU)
0.60 GHz |
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Intel Core i7-1355U
9,687 CB R23 MC @ 52 W |
Apple M1 Ultra (64-GPU)
20C 20T @ 0.60 GHz |
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Intel Core i7-1355U
10C 12T @ 1.70 GHz |
Devices using this processor |
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Apple M1 Ultra (64-GPU) | Intel Core i7-1355U |
Apple Mac Studio (2022) | Unknown |