Radeon Graphics 128SP vs RX 6600M

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Primary details

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

Place in the ranking135not rated
Place by popularitynot in top-100not in top-100
Power efficiency26.22no data
ArchitectureRDNA 2.0 (2020−2024)RDNA 2.0 (2020−2024)
GPU code nameNavi 23Raphael
Market segmentLaptopDesktop
Release date31 May 2021 (3 years ago)27 September 2022 (2 years 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 cores1792128
Core clock speed2068 MHz400 MHz
Boost clock speed2416 MHz2200 MHz
Number of transistors11,060 million3,400 million
Manufacturing process technology7 nm5 nm
Power consumption (TDP)100 Watt15 Watt
Texture fill rate270.617.60
Floating-point processing power8.659 TFLOPS0.5632 TFLOPS
ROPs648
TMUs1128
Ray Tracing Cores282

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 sizemedium sizedno data
InterfacePCIe 4.0 x8PCIe 4.0 x8
Widthno dataIGP
Supplementary power connectorsNoneNone

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 typeGDDR6System Shared
Maximum RAM amount8 GBSystem Shared
Memory bus width128 BitSystem Shared
Memory clock speed1750 MHzSystem Shared
Memory bandwidth224.0 GB/sno data
Shared memory-no data

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 outputsMotherboard Dependent

API compatibility

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

DirectX12 Ultimate (12_2)12 Ultimate (12_2)
Shader Model6.56.7
OpenGL4.64.6
OpenCL2.12.0
Vulkan1.31.3

Pros & cons summary


Recency 31 May 2021 27 September 2022
Chip lithography 7 nm 5 nm
Power consumption (TDP) 100 Watt 15 Watt

Graphics 128SP has an age advantage of 1 year, a 40% more advanced lithography process, and 566.7% lower power consumption.

We couldn't decide between Radeon RX 6600M and Radeon Graphics 128SP. We've got no test results to judge.

Be aware that Radeon RX 6600M is a notebook card while Radeon Graphics 128SP is a desktop one.


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

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AMD Radeon RX 6600M
Radeon RX 6600M
AMD Radeon Graphics 128SP
Radeon Graphics 128SP

Comparisons with similar GPUs

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


4.3 974 votes

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4.7 3 votes

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Questions & comments

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