Based on our overall comparison score, Apple M1 Ultra GPU rates higher at 44/100 versus 37/100 for Apple M4 Pro GPU — a 7-point lead. Apple M1 Ultra GPU is the stronger overall pick, though the right choice still depends on which specs matter most to you; the full spec table above breaks down every difference.
Apple M1 Ultra GPU vs Apple M4 Pro GPU
Updated Sep 2026 · Scored by the Let’s Compare Data Engine · How we score
For most buyers the Apple M1 Ultra GPU is the better pick — it scores 39/100 to the Apple M4 Pro GPU's 32, leading on Memory and Theoretical Performance. Choose the Apple M4 Pro GPU instead if core specifications matters most to you, where it comes out ahead.
- Apple M1 Ultra GPU has no published G3D Mark result, so it scores lower.
- Apple M4 Pro GPU has no published G3D Mark result, so it scores lower.
Verdict
Our overall take, at a glance
Key takeaways
- Apple M1 Ultra GPU leads Apple M4 Pro GPU overall by 7 points (39 vs 32 out of 100).
- Apple M1 Ultra GPU stands out on Memory Capacity: 64 GB (167% more), Memory Bandwidth: 800 GB/s (193% more), Theoretical Performance Performance (FP16): 42.4 TFLOPS (149% more).
Apple M1 Ultra GPU leads overall
Apple M1 Ultra GPU
39
Apple M4 Pro GPU
32
Why it stands out
- Memory Capacity: 64 GB (167% more)
- Memory Bandwidth: 800 GB/s (193% more)
- Theoretical Performance Performance (FP16): 42.4 TFLOPS (149% more)
In-depth analysisAI
AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Sep 2026.
Apple M1 Ultra GPU
The Apple M1 Ultra GPU is a high-end integrated graphics processor designed for workstation-class Mac desktops. Built by connecting two M1 Max chips via Apple's proprietary UltraFusion interconnect, the processor scales up to 64 GPU cores and shares up to 128 GB of unified LPDDR5X memory. It is engineered for demanding creative tasks that require massive memory bandwidth and processing parallelism.
Best for Memory-intensive professional workloads such as high-resolution video editing…Best for Workstation users seeking high power-efficiency and unified system architecture
Pros
- Features an UltraFusion interconnect that delivers up to 2.5 TB/s of low-latency bandwidth between the dual-die setup
- Provides access to a massive unified memory pool of up to 128 GB, surpassing the VRAM limit of typical discrete graphics cards
- Highly efficient design built on TSMC's 5 nm manufacturing process with 114 billion total transistors
Cons
- Underperforms compared to top-tier dedicated desktop graphics cards like the NVIDIA GeForce RTX 3090 in standard gaming and compute benchmarks
Apple M4 Pro GPU
The Apple M4 Pro GPU is an integrated mobile graphics processor built on an advanced 3-nanometer lithography process. Released in late 2024, it is engineered for power-efficient performance, delivering up to 17 TFLOPS of half-precision compute capability alongside 24 GB of shared unified memory.
Best for Mobile creative tasks requiring high-bandwidth unified memoryBest for Power-restricted setups demanding high graphical efficiency on a mobile…
Pros
- Efficient power envelope with a maximum draw of 45 watts
- High-speed memory architecture with 273 GB/s of bandwidth and a 256-bit bus width
- Strong FP16 computational performance suitable for modern machine learning and rendering pipelines
Cons
- Uses shared system memory rather than dedicated, standalone graphics memory
- Offers older API compatibility standards, supporting OpenGL 4.1 and Vulkan 1.2
Value for Money
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Apple M1 Ultra GPU
Apple M4 Pro GPU
Review Videos
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Detailed Specifications
The full spec sheet, side by side
Frequently Asked Questions
Common questions about Apple M1 Ultra GPU vs Apple M4 Pro GPU comparison
Apple M1 Ultra GPU and Apple M4 Pro GPU are compared side by side above across every spec in the gpus category — including performance, features and design — each scored 0–100 so you can see exactly where one leads the other. Our overall scores are 44/100 for Apple M1 Ultra GPU and 37/100 for Apple M4 Pro GPU.
If you want the higher-rated gpus option overall, Apple M1 Ultra GPU (44/100) edges out Apple M4 Pro GPU (37/100). But if Apple M4 Pro GPU is cheaper or stronger on the specific specs you care about, it can still be the better buy — use the spec table and strengths profile above to decide.
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