Apple M3 Pro 18-Core GPU vs Radeon RX 6400

Primary details

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

Place in the ranking	276	not rated
Place by popularity	100	not in top-100
Cost-effectiveness evaluation	53.39	no data
Power efficiency	25.91	no data
Architecture	RDNA 2.0 (2020−2024)	no data
GPU code name	Navi 24	no data
Market segment	Desktop	Laptop
Release date	19 January 2022 (2 years ago)	31 October 2023 (1 year ago)
Launch price (MSRP)	$159	no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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	768	18
Core clock speed	1923 MHz	no data
Boost clock speed	2321 MHz	no data
Number of transistors	5,400 million	no data
Manufacturing process technology	6 nm	5 nm
Power consumption (TDP)	53 Watt	no data
Texture fill rate	111.4	no data
Floating-point processing power	3.565 TFLOPS	no data
ROPs	32	no data
TMUs	48	no data
Ray Tracing Cores	12	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	no data	medium sized
Interface	PCIe 4.0 x4	no data
Width	1-slot	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	4 GB	no data
Memory bus width	64 Bit	no data
Memory clock speed	2000 MHz	no data
Memory bandwidth	128.0 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	1x HDMI 2.1, 1x DisplayPort 1.4a	no data
HDMI	+	-

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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Recency	19 January 2022	31 October 2023
Chip lithography	6 nm	5 nm

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