Apple M4 Ultra vs M3 Ultra
We compared two 32-core desktop CPUs: the 4.52 GHz Apple M4 Ultra against the 4.05 GHz M3 Ultra. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.
Please note that the tests on the Apple M4 Ultra are done on an engineering sample provided by our insiders. The data will be more accurate after the final version of this CPU is available.
Key Differences
Advantages of Apple M4 Ultra
- Around 232.7 GB/s (28%) higher theoretical memory bandwidth
- 24% faster in a single-core Geekbench v6 test - 4062 vs 3266 points
Advantages of Apple M3 Ultra
- Supports up to 512 GB LPDDR5-6400 RAM
Test in Benchmarks
Comparing the performance of CPUs across various tasksCinebench
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
| Cinebench 2026 (Multi) | - | 11987 |
Cinebench Scores (#2nd place)
GeekBench v6
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
| 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 |
PassMark
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 |
Blender
Blender CPU
Performance Per Watt
| 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
Apple M4 Ultra
No benchmark results yet
Apple M3 Ultra
| Date | Benchmark | Result |
|---|---|---|
| ๐ 2025-08-13 (Losito) | Cinebench 2024 | 93 / 2422 |
| ๐ 2025-03-17 (Luigi9212) | Cinebench 2024 | 148 / 2818 |
| ๐ 2025-03-16 (Tyler) | Cinebench 2024 | 133 / 2753 |
Specifications
Full technical specification of Apple M4 Ultra and M3 UltraGeneral
| Vendor | Apple | Apple |
| Released | May 1, 2025 | March 5, 2025 |
| Type | Desktop | Desktop |
| Instruction Set | ARMv9 | ARMv8 |
| Codename | Apple M4 | Apple M3 |
| Integrated GPU | Apple M4 Ultra GPU (80-core) | Apple M3 Ultra GPU (80-core) |
CPU
| P-Cores | 24 | 24 |
| P-Threads | 24 | 24 |
| Base Frequency (P) | 4.52 GHz | 4.05 GHz |
| E-Cores | 8 | 8 |
| E-Threads | 8 | 8 |
| Base Frequency (E) | 2.89 GHz | 2.75 GHz |
| Total Cores | 32 | 32 |
| Total Threads | 32 | 32 |
| Bus Frequency | - | 100 MHz |
| Multiplier | 45x | 40x |
| L1 Cache | - | 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 | 100ยฐC | 100ยฐC |
Desktop CPU ranking (#4th place)
iGPU
| Integrated Graphics | Apple M4 Ultra GPU (80-core) | Apple M3 Ultra GPU (80-core) |
| GPU Base Clock | 500 MHz | - |
| GPU Boost Clock | 1578 MHz | 1380 MHz |
| Shading Units | 10240 | 10240 |
| TMUs | 640 | 640 |
| ROPs | 320 | 320 |
| Execution Units | 1280 | 1280 |
| TGP | 120 W | 140 W |
iGPU FLOPS
Memory Support
| Memory Types | - LPDDR5X-8533 | - LPDDR5-6400 |
| Max. Memory Size | 192 GB | 512 GB |
| Memory Channels | 64 | 64 |
| Max. Memory Bandwidth | 1052 GB/s | 819.3 GB/s |
| ECC Support | No | No |
Misc
Cast your vote
Total votes: 55