Apple M5 Ultra VS Apple M3 Ultra

We are comparing the Apple M5 Ultra (Apple) with the Apple M3 Ultra (Apple). Scroll down to the pros and cons of each processor, in-depth specs, and benchmark comparisons.

KEY DIFFERENCES OF Apple M5 Ultra AND Apple M3 Ultra

Here’s how Apple M5 Ultra and Apple M3 Ultra stack up against each other in their most impactful areas.

Apple M5 Ultra: 6 advantages

Why Apple M5 Ultra is the best choice:

6
  • 13% more CPU threads (36 vs 32)
  • 13% more CPU cores (36 vs 32)
  • 50% more performance-core threads (36 vs 24)
  • 50% more performance cores (36 vs 24)
  • 50% higher Geekbench V6 multi-core score (42327 vs 28128)
  • 45% higher Geekbench V6 single-core score (4710 vs 3247)

SPECIFICATION TABLE COMPARISON OF Apple M5 Ultra AND Apple M3 Ultra

Below is the detailed specification table comparing Apple M5 Ultra and Apple M3 Ultra.

Note: Highlighted specs mean that CPU wins that spec row.

If neither side is highlighted, it is a tie or there is not enough data for both specs.

Specification Apple M5 Ultra Apple M3 Ultra
General Information
CPU Name: Apple M5 Ultra Apple M3 Ultra
Vendor: Apple Apple
Release Date: August 25, 2026 March 5, 2025
Generation: M5
Type: Desktop Desktop
Instruction Set: ARM64 ARMv8
Codename: Apple M5 Apple M3
Foundry: TSMC
Package and Thermals
Manufacturing Process: 3 nm 3 nm
Transistor Count: 184 billion
TDP (PL1): 140 W
Socket: Apple M-Socket Apple M-Socket
Max Temp (TJMax): 100 C
CPU Cores
Total Cores
Total Cores 36 32
Total Threads 36 32
P-Cores
P-Cores 36 24
P-Threads 36 24
P-Core Base Frequency 4050 MHz
E-Cores
E-Cores 8
E-Threads 8
E-Core Base Frequency 2750 MHz
NPU
NPU
Cache and Bus
Multiplier Locked Locked
L1 Cache 192 KB
L2 Cache 64 MB
Memory Support
Memory Types: - LPDDR5X-9600 LPDDR5-6400
Max Memory Size: 512 GB 512 GB
Memory Channels: 64 64
Max Memory Bandwidth: 1.2 TB/s 819.3 GB/s
ECC Support:
Technologies: 12 Super Cores, 24 Performance Cores, Quad-Die Architecture, Next-Generation UltraFusion, 80-Core GPU, Neural Accelerators, 32-Core Neural Engine, Second-Generation Dynamic Caching, Hardware-Accelerated Mesh Shading, Third-Generation Ray Tracing, Hardware-Accelerated H.264, HEVC, ProRes, ProRes RAW and AV1 Decode, Thunderbolt 5, RDMA N/A
Benchmarks
Geekbench V6
Multi-Core 42327 28128
Single-Core 4710 3247
File Compression 2690
Clang Compression 319
HTML5 Browser 820
PDF Renderer 702
Text Processing 328
Background Blur 63
Photo Processing 191
Ray Tracing 62
PassMark CPU
Multi-Core 72769
Single-Core 5048
Integer Math 181100
Floating Point 187700
Prime Numbers 1055
String Sorting 122700
Data Encryption 49200
Data Compression 1073700
Physics 8805
Extended Instructions 54500
Cinebench 2024
Multi-Core 3905 2753
Single-Core 226 133
Blender
Render Score 718

Tip: indicates a higher-is-better spec advantage, while indicates a lower-is-better advantage.

PERFORMANCE CHART COMPARISON OF Apple M5 Ultra AND Apple M3 Ultra

The charts below visualize how Apple M5 Ultra and Apple M3 Ultra stack up in key performance metrics.

Performance Radar Chart

Category scores overview (0 to 100)
Apple M5 Ultra
Apple M3 Ultra

Performance Benchmarks

Grey is the market top value. Colored bars show each CPU's relative benchmark reach.
Market Top
Apple M5 Ultra
Apple M3 Ultra

Release Timeline of Apple M5 Ultra and Apple M3 Ultra

Apple M3 Ultra
538 days
Apple M5 Ultra

Apple M3 Ultra was released 1 year, 5 months, 20 days earlier than Apple M5 Ultra.

Value For Money Calculator

Prices use available launch or current data. Enter your own prices to see which CPU gives better value.

Apple M5 Ultra

36C/36T
$
Value Index
0.0

Apple M3 Ultra

32C/32T
$
Value Index
0.0
Apple M5 Ultra
Apple M3 Ultra
0%

Calculating...

Domain Score Summary

Scores are generated by Comparigon's scoring algorithm and are intended as a high-level guide. They may not map 1-to-1 with the individual spec-by-spec comparisons shown in the table.

Apple M5 Ultra Apple M3 Ultra
ALL
Overall
Difference: 7
Leads
Apple M5 Ultra
98
Apple M3 Ultra
91
Single-Core Performance
Difference: 14
Leads
Apple M5 Ultra
98
Apple M3 Ultra
84
Multi-Core Performance
Difference: 6
Leads
Apple M5 Ultra
98
Apple M3 Ultra
92
CPU Architecture
Difference: 14
Leads
Apple M5 Ultra
99
Apple M3 Ultra
85
Memory Architecture
Difference: 2
Leads
Apple M5 Ultra
97
Apple M3 Ultra
95
Energy Efficiency
Difference: 7
Leads
Apple M5 Ultra
99
Apple M3 Ultra
92

Our Verdict

In conclusion, the Apple M5 Ultra is clearly better overall compared to the Apple M3 Ultra. It comes out ahead across every comparable key area.

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Disclaimer: Specs, pricing, and benchmarks are sourced from official manufacturer data and verified test results. While we strive for precision, product details and pricing may change. Comparigon may earn an affiliate commission on qualifying purchases.