Apple M3 Max 40-Core GPU vs Radeon RX 7900M

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking	38	not rated
Place by popularity	not in top-100	not in top-100
Power efficiency	22.42	no data
Architecture	RDNA 3.0 (2022−2024)	no data
GPU code name	Navi 31	no data
Market segment	Laptop	Laptop
Release date	19 October 2023 (1 year ago)	31 October 2023 (1 year ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	4608	40
Core clock speed	1825 MHz	no data
Boost clock speed	2090 MHz	no data
Number of transistors	57,700 million	no data
Manufacturing process technology	5 nm	5 nm
Power consumption (TDP)	180 Watt	53 Watt
Texture fill rate	601.9	no data
Floating-point processing power	38.52 TFLOPS	no data
ROPs	192	no data
TMUs	288	no data
Ray Tracing Cores	72	no data

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Laptop size	large	medium sized
Interface	PCIe 4.0 x16	no data
Supplementary power connectors	None	no data

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory type	GDDR6	LPDDR5-6400
Maximum RAM amount	16 GB	no data
Memory bus width	256 Bit	no data
Memory clock speed	2250 MHz	no data
Memory bandwidth	576.0 GB/s	no data
Shared memory	-	-

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors

Portable Device Dependent

no data

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX	12 Ultimate (12_2)	no data
Shader Model	6.7	no data
OpenGL	4.6	no data
OpenCL	2.2	no data
Vulkan	1.3	-

Pros & cons summary

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Power consumption (TDP)

180 Watt

53 Watt

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