Intel Pentium Gold G6600 vs Apple M1 Ultra (64-GPU)

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CPU comparison with benchmarks


Intel Pentium Gold G6600 CPU1 vs CPU2 Apple M1 Ultra (64-GPU)
Intel Pentium Gold G6600 Apple M1 Ultra (64-GPU)

CPU comparison

Intel Pentium Gold G6600 or Apple M1 Ultra (64-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 Pentium Gold G6600 has 2 cores with 4 threads and clocks with a maximum frequency of 4.20 GHz. Up to 128 GB of memory is supported in 2 memory channels. The Intel Pentium Gold G6600 was released in Q2/2020.

The Apple M1 Ultra (64-GPU) has 20 cores with 20 threads and clocks with a maximum frequency of 3.20 GHz. The CPU supports up to 128 GB of memory in 8 memory channels. The Apple M1 Ultra (64-GPU) was released in Q1/2022.
Intel Pentium (150) Family Apple M series (25)
Intel Pentium G6000 (12) CPU group Apple M1 (9)
10 Generation 1
Comet Lake S Architecture M1
Desktop / Server Segment Mobile
Intel Pentium Gold G5600 Predecessor --
-- Successor Apple M2 Ultra (76-GPU)

CPU Cores and Base Frequency

The Intel Pentium Gold G6600 has 2 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Pentium Gold G6600 is 4.20 GHz while the Apple M1 Ultra (64-GPU) has 20 CPU cores and 20 threads can calculate simultaneously. The clock frequency of the Apple M1 Ultra (64-GPU) is at 0.60 GHz (3.20 GHz).

Intel Pentium Gold G6600 Characteristic Apple M1 Ultra (64-GPU)
2 Cores 20
4 Threads 20
normal Core architecture hybrid (big.LITTLE)
Yes Hyperthreading No
No Overclocking ? No
4.20 GHz A-Core 0.60 GHz (3.20 GHz)
16x Firestorm
-- B-Core 0.60 GHz (2.06 GHz)
4x Icestorm

NPU AI performance

The 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.

Intel Pentium Gold G6600 Characteristic Apple M1 Ultra (64-GPU)
-- AI hardware Apple Neural Engine
-- AI specifications 32 Neural cores @ 22 TOPS
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The Intel Pentium Gold G6600 or Apple M1 Ultra (64-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.

Intel HD Graphics 630 GPU Apple M1 Ultra (64 Core)
0.35 GHz GPU frequency 0.39 GHz
1.10 GHz GPU (Turbo) 1.30 GHz
9.5 GPU Generation 1
14 nm Technology 5 nm
3 Max. displays 5
24 Compute units 1024
192 Shader 8192
No Hardware Raytracing No
No Frame Generation No
64 GB Max. GPU Memory 64 GB
12 DirectX Version --

Hardware codec support

A 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.

Intel HD Graphics 630 GPU Apple M1 Ultra (64 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 / Encode Codec VP8 Decode
No Codec AV1 No
Decode / Encode Codec AVC Decode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The Intel Pentium Gold G6600 can use up to 128 GB of memory in 2 memory channels. The maximum memory bandwidth is 42.7 GB/s. The Apple M1 Ultra (64-GPU) supports up to 128 GB of memory in 8 memory channels and achieves a memory bandwidth of up to 819.2 GB/s.

Intel Pentium Gold G6600 Characteristic Apple M1 Ultra (64-GPU)
DDR4-2666 Memory LPDDR5-6400
128 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 8 (Octa Channel)
42.7 GB/s Max. Bandwidth 819.2 GB/s
Yes ECC No
-- L2 Cache 52.00 MB
4.00 MB L3 Cache --
3.0 PCIe version 4.0
16 PCIe lanes --
15.8 GB/s PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the Intel Pentium Gold G6600 is 58 W, while the Apple M1 Ultra (64-GPU) has a TDP of 60 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Pentium Gold G6600 Characteristic Apple M1 Ultra (64-GPU)
58 W TDP (PL1 / PBP) 60 W
-- TDP (PL2) --
-- TDP up 120 W
-- TDP down --
100 °C Tjunction max. --

Technical details

The Intel Pentium Gold G6600 is manufactured in 14 nm and has 4.00 MB cache. The Apple M1 Ultra (64-GPU) is manufactured in 5 nm and has a 52.00 MB cache.

Intel Pentium Gold G6600 Characteristic Apple M1 Ultra (64-GPU)
14 nm Technology 5 nm
Monolithic Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) Armv8.5-A (64 bit)
SSE4.1, SSE4.2 ISA extensions Rosetta 2 x86-Emulation
LGA 1200 Socket --
VT-x, VT-x EPT, VT-d Virtualization Apple Virtualization Framework
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems macOS
Q2/2020 Release date Q1/2022
103 $ Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Intel Pentium Gold G6600 (49%)
Apple M1 Ultra (64-GPU) (100%)
⌀ Multi core performance in 3 CPU benchmarks
Intel Pentium Gold G6600 (10%)
Apple M1 Ultra (64-GPU) (100%)

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.
Intel Pentium Gold G6600 Intel Pentium Gold G6600
2C 4T @ 4.20 GHz
1082 (60%)
Apple M1 Ultra (64-GPU) Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz
1793 (100%)

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.
Intel Pentium Gold G6600 Intel Pentium Gold G6600
2C 4T @ 4.20 GHz
2415 (10%)
Apple M1 Ultra (64-GPU) Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz
24055 (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Pentium Gold G6600 Intel Pentium Gold G6600
2C 4T @ 4.20 GHz
916 (38%)
Apple M1 Ultra (64-GPU) Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz
2397 (100%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Pentium Gold G6600 Intel Pentium Gold G6600
2C 4T @ 4.20 GHz
1977 (8%)
Apple M1 Ultra (64-GPU) Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz
23970 (100%)

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.
Intel Pentium Gold G6600 Intel Pentium Gold G6600
Intel HD Graphics 630 @ 1.10 GHz
422 (2%)
Apple M1 Ultra (64-GPU) Apple M1 Ultra (64-GPU)
Apple M1 Ultra (64 Core) @ 1.30 GHz
21200 (100%)

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.
Intel Pentium Gold G6600 Intel Pentium Gold G6600
2C 4T @ 4.20 GHz
4400 (11%)
Apple M1 Ultra (64-GPU) Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz
41059 (100%)

Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
Intel Pentium Gold G6600 Intel Pentium Gold G6600
2C 4T @ 4.20 GHz
0 (0%)
Apple M1 Ultra (64-GPU) Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz
114 (100%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
Intel Pentium Gold G6600 Intel Pentium Gold G6600
2C 4T @ 4.20 GHz
0 (0%)
Apple M1 Ultra (64-GPU) Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz
1624 (100%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Pentium Gold G6600 Intel Pentium Gold G6600
2C 4T @ 4.20 GHz
0 (0%)
Apple M1 Ultra (64-GPU) Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz
1534 (100%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Pentium Gold G6600 Intel Pentium Gold G6600
2C 4T @ 4.20 GHz
0 (0%)
Apple M1 Ultra (64-GPU) Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz
24189 (100%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Pentium Gold G6600 Intel Pentium Gold G6600
2C 4T @ 4.20 GHz
433 (100%)
Apple M1 Ultra (64-GPU) Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz
0 (0%)

Blender 3.1 Benchmark

In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
Intel Pentium Gold G6600 Intel Pentium Gold G6600
2C 4T @ 4.20 GHz
0 (0%)
Apple M1 Ultra (64-GPU) Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz
379 (100%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Pentium Gold G6600 Intel Pentium Gold G6600
2C 4T @ 4.20 GHz
176 (100%)
Apple M1 Ultra (64-GPU) Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz
0 (0%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Pentium Gold G6600 Intel Pentium Gold G6600
2C 4T @ 4.20 GHz
437 (100%)
Apple M1 Ultra (64-GPU) Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz
0 (0%)

AI performance (NPU)

The performance values of the processor's AI unit. The isolated NPU performance is given here, the total AI performance (NPU+CPU+iGPU) can be higher.

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. The performance is given in the number (trillions) of arithmetic operations per second (TOPS).
Intel Pentium Gold G6600 Intel Pentium Gold G6600
2C 4T @ 4.20 GHz
0 (0%)
Apple M1 Ultra (64-GPU) Apple M1 Ultra (64-GPU)
20C 20T @ 0.60 GHz
22 (100%)

Devices using this processor

Intel Pentium Gold G6600 Apple M1 Ultra (64-GPU)
Unknown Apple Mac Studio (2022)

News and articles for the Intel Pentium Gold G6600 and the Apple M1 Ultra (64-GPU)

Apple M2 Pro with more CPU cores and production in 3 nm ?
Apple M2 Pro with more CPU cores and production in 3 nm ?
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In this article we describe how Apple could realize this and why the price should also go up.
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Up to 15 percent more single-core performance and 35 percent more multi-core performance of the 16-core model are realistic !
Apple M2 vs Apple M1 - What are the differences?
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