Apple M2 Max 30-Core GPU vs AMD Radeon RX 7900M vs Apple M2 Max 38-Core GPU
Apple M2 Max 30-Core GPU
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The Apple M2 Max 30-Core-GPU is an integrated graphics card by Apple offering 30 of the 38 cores in the M2 Max Chip.
The graphics card has no dedicated graphics memory but can use the fast LPDDR5-6400 unified memory with a 512 bit bus (up to 400 GBit/s).
The GPU is intended to use Apple Metal 2 API and could still be based on the older PowerVR architectures (last used in the Apple A10). A new feature in the MacBook Pro 14 and 16 of 2023 is the support for HDMI 2.1 and 8k output.
The Apple M2 Pro is manufactured in the second generation 5nm process at TSMC.
AMD Radeon RX 7900M
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The AMD Radeon RX 7900M is a mobile upper high-end graphics card based on the Navi 31 chip (RDNA 3 architecture) manufactured in 5nm. It features 4,608 cores (72 CUs - compute units) and 16 GB of fast GDDR6 graphics memory connected with a 256 Bit memory bus. The chip also includes 64 MB Infinity Cache. The clock speed of the cores will depend on the laptop according to AMD. The specified game clock speed is 1825 MHz (most likely at 180 W TGP).
AMD compares the performance to the mobile RTX 4080 and shows a number of games where the 7900M is on average 7% faster. Raytracing is supported in hardware, but usually slower than the Nvidia counterpart. Nvidia also has the advantage of DLSS support in selected games.
The Navi 31 chip is manufactured at TSMC in the current 5nm process. The power consumption (TGP) is specified at 160 to 180 Watt (200 Watt including SmartShift from the CPU).
Apple M2 Max 38-Core GPU
► remove from comparison![Apple M2 Max 38-Core GPU](fileadmin/_processed_/0/f/csm_Apple_M2_chips_M2_Max_230117_3eb74f4960.jpg)
The Apple M2 Max 38-Core-GPU is an integrated graphics card by Apple offering all 38 cores in the M2 Max Chip.
The graphics card has no dedicated graphics memory but can use the fast LPDDR5-6400 unified memory with a 512 bit bus (up to 400 GBit/s).
Thanks to the additional cores and architectural improvements, the M2 Max GPU should clearly best the old M1 Max GPU with 32 cores and therefore be the fastest iGPU currently available.
The GPU is intended to use Apple Metal 2 API and could still be based on the older PowerVR architectures (last used in the Apple A10). A new feature in the MacBook Pro 14 and 16 of 2023 is the support for HDMI 2.1 and 8k output.
The Apple M2 Max is manufactured in the second generation 5nm process at TSMC. According to the internal powermetrics tool, the GPU uses up to 53.6 Watt (performance mode) and the whole chip (including the CPU) up to 89 Watt.
Apple M2 Max 30-Core GPU | AMD Radeon RX 7900M | Apple M2 Max 38-Core GPU | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Apple M2 Series |
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Pipelines | 30 - unified | 4608 - unified | 38 - unified | |||||||||||||||||||||||||||||||||||||||||||||||||||
Memory Type | LPDDR5-6400 | GDDR6 | LPDDR5-6400 | |||||||||||||||||||||||||||||||||||||||||||||||||||
Shared Memory | no | no | no | |||||||||||||||||||||||||||||||||||||||||||||||||||
technology | 5 nm | 5 nm | 5 nm | |||||||||||||||||||||||||||||||||||||||||||||||||||
Notebook Size | medium sized | large | medium sized | |||||||||||||||||||||||||||||||||||||||||||||||||||
Date of Announcement | 17.01.2023 | 19.10.2023 | 17.01.2023 | |||||||||||||||||||||||||||||||||||||||||||||||||||
Codename | Navi 31 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
Architecture | RDNA 3 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
ROPs | 192 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
Core Speed | 1825 - 2090 (Boost) MHz | |||||||||||||||||||||||||||||||||||||||||||||||||||||
Theoretical Performance | 77.05 TFLOPS FP16, 38.52 TFLOPS FP32 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
Cache | L3: 64 MB | |||||||||||||||||||||||||||||||||||||||||||||||||||||
Memory Speed | 18000 MHz | |||||||||||||||||||||||||||||||||||||||||||||||||||||
Memory Bus Width | 256 Bit | |||||||||||||||||||||||||||||||||||||||||||||||||||||
Max. Amount of Memory | 16 GB | |||||||||||||||||||||||||||||||||||||||||||||||||||||
Memory Bandwidth | 576 GB/s | |||||||||||||||||||||||||||||||||||||||||||||||||||||
API | DirectX 12_2, Shader 6.7, OpenGL 4.6, OpenCL 2.2, Vulkan 1.3 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
Power Consumption | 180 Watt (160 - 200 Watt TGP) | 53 Watt | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Transistors | 53.9 Billion | |||||||||||||||||||||||||||||||||||||||||||||||||||||
Link to Manufacturer Page | www.amd.com |
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