Intel Xeon W-3275M vs Apple M1 Ultra (48-GPU)

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CPU comparison with benchmarks


Intel Xeon W-3275M CPU1 vs CPU2 Apple M1 Ultra (48-GPU)
Intel Xeon W-3275M Apple M1 Ultra (48-GPU)

CPU comparison

Intel Xeon W-3275M or Apple M1 Ultra (48-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 Xeon W-3275M has 28 cores with 56 threads and clocks with a maximum frequency of 4.60 GHz. Up to 2048 GB of memory is supported in 6 memory channels. The Intel Xeon W-3275M was released in Q2/2019.

The Apple M1 Ultra (48-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 (48-GPU) was released in Q1/2022.
Intel Xeon W (83) Family Apple M series (23)
Intel Xeon W-2200/3200 (17) CPU group Apple M1 (9)
7 Generation 1
Cascade Lake W Architecture M1
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor Apple M2 Ultra (60-GPU)

CPU Cores and Base Frequency

The Intel Xeon W-3275M has 28 CPU cores and can calculate 56 threads in parallel. The clock frequency of the Intel Xeon W-3275M is 2.50 GHz (4.60 GHz) while the Apple M1 Ultra (48-GPU) has 20 CPU cores and 20 threads can calculate simultaneously. The clock frequency of the Apple M1 Ultra (48-GPU) is at 0.60 GHz (3.20 GHz).

Intel Xeon W-3275M Characteristic Apple M1 Ultra (48-GPU)
28 Cores 20
56 Threads 20
normal Core architecture hybrid (big.LITTLE)
Yes Hyperthreading No
No Overclocking ? No
2.50 GHz (4.60 GHz) A-Core 0.60 GHz (3.20 GHz)
16x Firestorm
-- B-Core 0.60 GHz (2.06 GHz)
4x Icestorm

Artificial Intelligence and Machine Learning

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. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Xeon W-3275M Characteristic Apple M1 Ultra (48-GPU)
-- AI hardware Apple Neural Engine
-- AI specifications 32 Neural cores @ 22 TOPS

Internal Graphics

The Intel Xeon W-3275M or Apple M1 Ultra (48-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.

no iGPU GPU Apple M1 Ultra (48 Core)
GPU frequency 0.39 GHz
-- GPU (Turbo) 1.30 GHz
-- GPU Generation 1
Technology 5 nm
Max. displays 5
-- Compute units 768
-- Shader 6144
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 64 GB
-- 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.

no iGPU GPU Apple M1 Ultra (48 Core)
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
No Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
No Codec VP8 Decode
No Codec AV1 No
No Codec AVC Decode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

The Intel Xeon W-3275M can use up to 2048 GB of memory in 6 memory channels. The maximum memory bandwidth is 140.7 GB/s. The Apple M1 Ultra (48-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 Xeon W-3275M Characteristic Apple M1 Ultra (48-GPU)
DDR4-2933 Memory LPDDR5-6400
2048 GB Max. Memory 128 GB
6 (Hexa Channel) Memory channels 8 (Octa Channel)
140.7 GB/s Max. Bandwidth 819.2 GB/s
Yes ECC No
-- L2 Cache 52.00 MB
38.50 MB L3 Cache --
3.0 PCIe version 4.0
64 PCIe lanes --
63.0 GB/s PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the Intel Xeon W-3275M is 205 W, while the Apple M1 Ultra (48-GPU) has a TDP of 60 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Xeon W-3275M Characteristic Apple M1 Ultra (48-GPU)
205 W TDP (PL1 / PBP) 60 W
-- TDP (PL2) --
-- TDP up 120 W
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Xeon W-3275M is manufactured in 14 nm and has 38.50 MB cache. The Apple M1 Ultra (48-GPU) is manufactured in 5 nm and has a 52.00 MB cache.

Intel Xeon W-3275M Characteristic Apple M1 Ultra (48-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, AVX2, AVX-512 ISA extensions Rosetta 2 x86-Emulation
LGA 3647 Socket --
VT-x, VT-x EPT, VT-d Virtualization Apple Virtualization Framework
Yes AES-NI Yes
Windows 10, Linux Operating systems macOS
Q2/2019 Release date Q1/2022
7450 $ Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks
⌀ Multi core performance in 5 CPU benchmarks

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 Xeon W-3275M Intel Xeon W-3275M
28C 56T @ 4.60 GHz
1107 (72%)
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-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 Xeon W-3275M Intel Xeon W-3275M
28C 56T @ 3.40 GHz
28051 (100%)
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz
24189 (86%)

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 Xeon W-3275M Intel Xeon W-3275M
28C 56T @ 4.60 GHz
1203 (67%)
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-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 Xeon W-3275M Intel Xeon W-3275M
28C 56T @ 3.40 GHz
21369 (89%)
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-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 Xeon W-3275M Intel Xeon W-3275M
28C 56T @ 4.60 GHz
1410 (59%)
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-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 Xeon W-3275M Intel Xeon W-3275M
28C 56T @ 3.40 GHz
10762 (45%)
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz
23970 (100%)

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 Xeon W-3275M Intel Xeon W-3275M
28C 56T @ 3.40 GHz
350 (92%)
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz
379 (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 Xeon W-3275M Intel Xeon W-3275M
28C 56T @ 3.40 GHz
39988 (97%)
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-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 Xeon W-3275M Intel Xeon W-3275M
28C 56T @ 4.60 GHz
0 (0%)
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-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 Xeon W-3275M Intel Xeon W-3275M
28C 56T @ 4.60 GHz
0 (0%)
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz
1624 (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 Xeon W-3275M Intel Xeon W-3275M
28C 56T @ 4.60 GHz
437 (100%)
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz
0 (0%)

Cinebench R20 (Multi-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 multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Xeon W-3275M Intel Xeon W-3275M
28C 56T @ 3.40 GHz
11020 (100%)
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz
0 (0%)

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 Xeon W-3275M Intel Xeon W-3275M
@ 0.00 GHz
0 (0%)
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
Apple M1 Ultra (48 Core) @ 1.30 GHz
15900 (100%)

Performance for Artificial Intelligence (AI) and Machine Learning (ML)

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 Xeon W-3275M Intel Xeon W-3275M
28C 56T @ 2.50 GHz
0 (0%)
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
20C 20T @ 0.60 GHz
22 (100%)

Devices using this processor

Intel Xeon W-3275M Apple M1 Ultra (48-GPU)
Apple Mac Pro (2019) Apple Mac Studio (2022)

News and articles for the Intel Xeon W-3275M and the Apple M1 Ultra (48-GPU)


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