Apple M3 Ultra

Cores: 32
TDP: 140 W
Transistor size: 3 nm

M3 Ultra - desktop processor produced by Apple for socket Apple M-Socket that has 32 cores and 32 threads. The base clock frequency of the CPU is 4050 MHz. Please note that this chip has integrated graphics Apple M3 Ultra GPU (80-core).

Review

Single-Core Performance

91

Multi-Core Performance

100

Power Efficiency

84

Integrated Graphics

99

NanoReview Final Score

95

Compare Apple M3 Ultra with other CPUs

Cinebench

Reputable cross-platform benchmark for high-performance processors

Cinebench 2024 (Single)

141

Cinebench 2024 (Multi)

2994

Cinebench 2026 (Multi)

11987

Cinebench Scores - 2nd place

Submit your benchmark results

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps

Geekbench 6 (Single-Core)

3266

Geekbench 6 (Multi-Core)

29755

File compression	2690 MB/sec
Clang compilation	319.2 Klines/sec
HTML 5 Browser	819.6 pages/sec
PDF Renderer	701.5 Mpixels/sec
Text processing	327.5 pages/sec
Background blur	63.2 images/sec
Photo processing	190.9 images/sec
Ray tracing	61.5 Mpixels/sec

Sources: GeekBench [1]

PassMark

Synthetic test that focuses on raw computational performance for low-level functions

Passmark CPU (Single-Core)

5064

Passmark CPU (Multi-Core)

72850

Integer math	181.6 GOps/sec
Floating point math	183.5 GOps/sec
Find prime numbers	1063M Primes/sec
Random string sorting	123.1M Strings/sec
Data encryption	49.4 GBytes/sec
Data compression	1076.9 MBytes/sec
Physics	8863 Frames/sec
Extended instructions	55.1B Matrices/sec

Sources: PassMark [3] – 27 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)

Blender CPU

717.7

Performance Per Watt

Shows the score you get per each watt of PL1 TDP

Cinebench 2024 / Watt	21.4 PPW
Geekbench 6 Multi / Watt	212.5 PPW
Passmark CPU Mark / Watt	520.4 PPW
Blender / Watt	5.13 PPW

These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.

Recent User Tests

The latest benchmark tests that have been submitted by users

Date	Benchmark	Result
📘 2025-08-13 (Losito)	Cinebench 2024	93 / 2422
📘 2025-03-17 (Luigi9212)	Cinebench 2024	148 / 2818
📘 2025-03-16 (Tyler)	Cinebench 2024	133 / 2753

Add View all (3)

General

Vendor	Apple
Released	March 5, 2025
Type	Desktop
Instruction Set	ARMv8
Codename	Apple M3
Integrated GPU	Apple M3 Ultra GPU (80-core)

CPU

Performance Cores
P-Cores	24
P-Threads	24
Base Frequency (P)	4.05 GHz

Efficient Cores
E-Cores	8
E-Threads	8
Base Frequency (E)	2.75 GHz

Total
Total Cores	32
Total Threads	32
Bus Frequency	100 MHz
Multiplier	40x
L1 Cache	192K (per core)
L2 Cache	64MB (shared)
Unlocked Multiplier	No

Package

Transistors	184 billions
Fabrication Process	3 nm
TDP (PL1)	140 W
Socket	Apple M-Socket
Peak Temperature	100°C

Desktop CPU ranking - 4th place

iGPU

Integrated Graphics	Apple M3 Ultra GPU (80-core)
GPU Boost Clock	1380 MHz
Shading Units	10240
TMUs	640
ROPs	320
Execution Units	1280
TGP	140 W

iGPU FLOPS

28.3 TFLOPS

See also: Apple M3 Ultra GPU (80-core) – integrated graphics of this CPU

Memory Support

Memory Types	- LPDDR5-6400
Max. Memory Size	512 GB
Memory Channels	64
Max. Memory Bandwidth	819.3 GB/s
ECC Support	No

Misc

Competitors

1. Apple M3 Ultra vs Apple M4 Max (16-Core)

2. Apple M3 Ultra vs Apple M2 Ultra

3. Apple M3 Ultra vs Intel Core i9 14900K

4. Apple M3 Ultra vs Apple M4 Ultra

5. Apple M3 Ultra vs AMD Ryzen 9 9950X

6. Apple M3 Ultra vs Apple M3 Max

Compare other CPUs (460+)