Apple M5 Ultra (36-Core) vs M3 Ultra

We compared two desktop CPUs: the 4.61 GHz Apple M5 Ultra (36-Core) with 36-cores against the 4.05 GHz M3 Ultra with 32-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

Review

General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Multi-Core Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of power consumption
Integrated Graphics
iGPU capabilities for gaming and 3D-intensive tasks
The "iGPU" and "Power Efficiency" have a minor impact on the NanoReview Score for desktop CPU.
NanoReview Final Score
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Value for money (Beta)

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Currency
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Key Differences

What are the key differences between Ultra and (36-Core)
Advantages of Apple M5 Ultra (36-Core)
  • Newer - released 1 year and 6 months later
  • Around 409.5 GB/s (50%) higher theoretical memory bandwidth
  • 33% faster in a single-core Geekbench v6 test - 4331 vs 3266 points
  • More powerful Apple M5 Ultra GPU (80-core) integrated graphics: 33.2 vs 28.3 TFLOPS
  • Has 4 more physical cores

Test in Benchmarks

Comparing the performance of CPUs across various tasks

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
3705
2994
Cinebench 2026 (Multi) - 11987
Cinebench Scores (1st and 2nd place)

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps
Geekbench 6 (Single-Core)
4331
3266
Geekbench 6 (Multi-Core)
38806
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], [2]

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
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

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
Apple M5 Ultra (36-Core)
No benchmark results yet
Apple M3 Ultra
DateBenchmarkResult
📘 2025-08-13 (Losito)Cinebench 202493 / 2422
📘 2025-03-17 (Luigi9212)Cinebench 2024148 / 2818
📘 2025-03-16 (Tyler)Cinebench 2024133 / 2753

Specifications

Full technical specification of Apple M5 Ultra (36-Core) and M3 Ultra

General

Vendor Apple Apple
Released August 25, 2026 March 5, 2025
Type Desktop Desktop
Instruction Set ARMv9 ARMv8
Codename Apple M5 Apple M3
Integrated GPU Apple M5 Ultra GPU (80-core) Apple M3 Ultra GPU (80-core)

CPU

Performance Cores
P-Cores 24 24
P-Threads 24 24
Base Frequency (P) 4.61 GHz 4.05 GHz
Efficient Cores
E-Cores 12 8
E-Threads 12 8
Base Frequency (E) 4.38 GHz 2.75 GHz
Total
Total Cores 36 32
Total Threads 36 32
Bus Frequency 100 MHz 100 MHz
Multiplier 46x 40x
L1 Cache 192K (per core) 192K (per core)
L2 Cache - 64MB (shared)
Unlocked Multiplier No No

Package

Transistors - 184 billions
Fabrication Process 3 nm 3 nm
TDP (PL1) - 140 W
Socket Apple M-Socket Apple M-Socket
Peak Temperature 100°C 100°C
Desktop CPU ranking (1st and 4th place)

iGPU

Integrated Graphics Apple M5 Ultra GPU (80-core) Apple M3 Ultra GPU (80-core)
GPU Base Clock 500 MHz -
GPU Boost Clock 1620 MHz 1380 MHz
Shading Units 10240 10240
TMUs 640 640
ROPs 320 320
Execution Units 1280 1280
TGP - 140 W
iGPU FLOPS
33.2 TFLOPS
28.3 TFLOPS

Memory Support

Memory Types - LPDDR5X-9600 - LPDDR5-6400
Max. Memory Size 512 GB 512 GB
Memory Channels 64 64
Max. Memory Bandwidth 1228.8 GB/s 819.3 GB/s
ECC Support No No

Misc

Cast your vote

Choose between two processors
9 (90%)
1 (10%)
Total votes: 10

Comments

So which CPU will you choose: Apple M3 Ultra or M5 Ultra (36-Core)?
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Anas_Al August 25, 2026 at 04:35 PM
Rtx 5090 = 1800 GB memory bandwidth M5 ultra = 1200 GB memory bandwidth
0 Reply
Avatar
some person August 25, 2026 at 11:18 PM
RTX 5090: 32 gigs of VRAM M5 Ultra: 512 gigs of RAM
0 Reply
fuuk1 August 26, 2026 at 10:13 AM
some person, For M5 Ultra, the GPU will access around 480-500GB(?) of VRAM, rest always needs to be available for the CPU and system.
+1 Reply