Based on our overall comparison score, Apple M1 Ultra GPU rates higher at 44/100 versus 33/100 for Apple M4 GPU — a 11-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 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 40/100 to the Apple M4 GPU's 31, leading on Memory and Theoretical Performance. Choose the Apple M4 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 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 GPU overall by 9 points (40 vs 31 out of 100).
- Apple M1 Ultra GPU stands out on Memory Capacity: 64 GB (300% more), Memory Bandwidth: 800 GB/s (567% more), Theoretical Performance Performance (FP16): 42.4 TFLOPS (393% more).
Apple M1 Ultra GPU leads overall
Apple M1 Ultra GPU
40
Apple M4 GPU
31
Why it stands out
- Memory Capacity: 64 GB (300% more)
- Memory Bandwidth: 800 GB/s (567% more)
- Theoretical Performance Performance (FP16): 42.4 TFLOPS (393% 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 GPU
The Apple M4 GPU is an integrated graphics processor designed for mobile platforms, manufactured using an efficient 3-nanometer lithography process. Operating at a maximum frequency of 1.4 GHz with a peak power draw of 20 watts, it features a unified memory architecture sharing up to 120 GB/s of bandwidth.
Best for Power-sensitive mobile workflowsBest for Tasks requiring fast access to unified system memory
Pros
- Highly efficient 3-nanometer lithography process
- Low maximum power draw of 20 watts suitable for mobile designs
- Unified memory architecture with a 120 GB/s bandwidth rate
Cons
- API support is limited to older standards, including OpenGL 4.1 and Vulkan 1.2
Value for Money
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Apple M1 Ultra GPU
Apple M4 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 GPU comparison
Apple M1 Ultra GPU and Apple M4 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 33/100 for Apple M4 GPU.
If you want the higher-rated gpus option overall, Apple M1 Ultra GPU (44/100) edges out Apple M4 GPU (33/100). But if Apple M4 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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