Apple M1 Ultra (64-GPU) | Intel Pentium Gold G6405T | |
CPU comparisonApple M1 Ultra (64-GPU) or Intel Pentium Gold G6405T - 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 Pentium Gold G6405T has 2 cores with 4 threads and clocks with a maximum frequency of 3.50 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The Intel Pentium Gold G6405T was released in Q1/2021. |
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Apple M series (25) | Family | Intel Pentium (150) |
Apple M1 (9) | CPU group | Intel Pentium G6000 (12) |
1 | Generation | 10 |
M1 | Architecture | Comet Lake S |
Mobile | Segment | Desktop / Server |
-- | Predecessor | -- |
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 Pentium Gold G6405T has 2 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Pentium Gold G6405T is at 3.50 GHz. |
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Apple M1 Ultra (64-GPU) | Characteristic | Intel Pentium Gold G6405T |
20 | Cores | 2 |
20 | Threads | 4 |
hybrid (big.LITTLE) | Core architecture | normal |
No | Hyperthreading | Yes |
No | Overclocking ? | No |
0.60 GHz (3.20 GHz) 16x Firestorm |
A-Core | 3.50 GHz |
0.60 GHz (2.06 GHz) 4x Icestorm |
B-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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Apple M1 Ultra (64-GPU) | Characteristic | Intel Pentium Gold G6405T |
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 Pentium Gold G6405T 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 HD Graphics 610 |
0.39 GHz | GPU frequency | 0.35 GHz |
1.30 GHz | GPU (Turbo) | 1.05 GHz |
1 | GPU Generation | 9.5 |
5 nm | Technology | 14 nm |
5 | Max. displays | 3 |
1024 | Compute units | 12 |
8192 | Shader | 96 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
64 GB | Max. GPU Memory | 32 GB |
-- | DirectX Version | 12 |
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 HD Graphics 610 |
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 / Encode |
No | Codec AV1 | No |
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 Pentium Gold G6405T supports up to 128 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 42.7 GB/s. |
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Apple M1 Ultra (64-GPU) | Characteristic | Intel Pentium Gold G6405T |
LPDDR5-6400 | Memory | DDR4-2666 |
128 GB | Max. Memory | 128 GB |
8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
819.2 GB/s | Max. Bandwidth | 42.7 GB/s |
No | ECC | Yes |
52.00 MB | L2 Cache | -- |
-- | L3 Cache | 4.00 MB |
4.0 | PCIe version | 3.0 |
-- | PCIe lanes | 16 |
-- | PCIe Bandwidth | 15.8 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Apple M1 Ultra (64-GPU) is 60 W, while the Intel Pentium Gold G6405T has a TDP of 35 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 Pentium Gold G6405T |
60 W | TDP (PL1 / PBP) | 35 W |
-- | TDP (PL2) | -- |
120 W | TDP up | -- |
-- | TDP down | 25 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 Pentium Gold G6405T is manufactured in 14 nm and has a 4.00 MB cache. |
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Apple M1 Ultra (64-GPU) | Characteristic | Intel Pentium Gold G6405T |
5 nm | Technology | 14 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 |
-- | Socket | LGA 1200 |
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 | Q1/2021 |
-- | Release price | 77 $ |
show more data | show more data | |
Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz |
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Intel Pentium Gold G6405T
2C 4T @ 3.50 GHz |
Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz |
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Intel Pentium Gold G6405T
2C 4T @ 3.50 GHz |
Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz |
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Intel Pentium Gold G6405T
2C 4T @ 3.50 GHz |
Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz |
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Intel Pentium Gold G6405T
2C 4T @ 3.50 GHz |
Apple M1 Ultra (64-GPU)
Apple M1 Ultra (64 Core) @ 1.30 GHz |
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Intel Pentium Gold G6405T
Intel HD Graphics 610 @ 1.05 GHz |
Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz |
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Intel Pentium Gold G6405T
2C 4T @ 3.50 GHz |
Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz |
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Intel Pentium Gold G6405T
2C 4T @ 3.50 GHz |
Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz |
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Intel Pentium Gold G6405T
2C 4T @ 3.50 GHz |
Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz |
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Intel Pentium Gold G6405T
2C 4T @ 3.50 GHz |
Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz |
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Intel Pentium Gold G6405T
2C 4T @ 3.50 GHz |
Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz |
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Intel Pentium Gold G6405T
2C 4T @ 3.50 GHz |
Apple M1 Ultra (64-GPU)
20C 20T @ 0.60 GHz |
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Intel Pentium Gold G6405T
2C 4T @ 3.50 GHz |
Devices using this processor |
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Apple M1 Ultra (64-GPU) | Intel Pentium Gold G6405T |
Apple Mac Studio (2022) | Unknown |