Radeon Steam Deck 8CU vs GeForce GTX 675MX Mac Edition

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Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureKepler (2012−2018)RDNA 2 (2022−2023)
GPU code nameGK104RDNA 2 Sephiroth
Market segmentLaptopLaptop
Release date1 April 2013 (11 years ago)9 November 2023 (less than a 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 cores1344512
Core clock speed719 MHzno data
Boost clock speedno data1900 MHz
Number of transistors3,540 millionno data
Manufacturing process technology28 nm6 nm
Power consumption (TDP)100 Wattno data
Texture fill rate80.53no data
Floating-point processing power1.933 TFLOPSno data
ROPs32no data
TMUs112no 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).

InterfacePCIe 3.0 x16no 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 typeGDDR5no data
Maximum RAM amount1 GBno data
Memory bus width256 Bitno data
Memory clock speed1250 MHzno data
Memory bandwidth160.0 GB/sno 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 ConnectorsNo outputsno data

API compatibility

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

DirectX12 (11_0)12_1
Shader Model5.1no data
OpenGL4.6no data
OpenCL1.2no data
Vulkan1.1.126-
CUDA3.0-

Pros & cons summary


Recency 1 April 2013 9 November 2023
Chip lithography 28 nm 6 nm

Steam Deck 8CU has an age advantage of 10 years, and a 366.7% more advanced lithography process.

We couldn't decide between GeForce GTX 675MX Mac Edition and Radeon Steam Deck 8CU. We've got no test results to judge.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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NVIDIA GeForce GTX 675MX Mac Edition
GeForce GTX 675MX Mac Edition
AMD Radeon Steam Deck 8CU
Radeon Steam Deck 8CU

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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