Radeon RX 6600M vs RX 5950

Primary details

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

Place in the rankingnot rated136
Place by popularitynot in top-100not in top-100
Power efficiencyno data24.73
ArchitectureRDNA 2.0 (2020−2024)RDNA 2.0 (2020−2024)
GPU code nameNavi 21Navi 23
Market segmentDesktopLaptop
Release dateno data (2024 years ago)31 May 2021 (3 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 cores48641792
Core clock speedno data2068 MHz
Boost clock speed1535 MHz2416 MHz
Number of transistors21,000 million11,060 million
Manufacturing process technology7 nm7 nm
Power consumption (TDP)350 Watt100 Watt
Texture fill rate466.6270.6
Floating-point processing power14.93 TFLOPS8.659 TFLOPS
ROPs9664
TMUs304112
Ray Tracing Coresno data28

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 sizeno datamedium sized
InterfacePCIe 4.0 x16PCIe 4.0 x8
Width2-slotno data
Supplementary power connectors2x 8-pinNone

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 typeGDDR6GDDR6
Maximum RAM amount24 GB8 GB
Memory bus width384 Bit128 Bit
Memory clock speed14000 MHz1750 MHz
Memory bandwidth672.0 GB/s224.0 GB/s
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 Connectors1x HDMI, 3x DisplayPortNo outputs
HDMI+-

API compatibility

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

DirectX12.0 (12_1)12 Ultimate (12_2)
Shader Modelno data6.5
OpenGL4.64.6
OpenCLno data2.1
Vulkan-1.3

Pros & cons summary


Maximum RAM amount 24 GB 8 GB
Power consumption (TDP) 350 Watt 100 Watt

RX 5950 has a 200% higher maximum VRAM amount.

RX 6600M, on the other hand, has 250% lower power consumption.

We couldn't decide between Radeon RX 5950 and Radeon RX 6600M. We've got no test results to judge.

Be aware that Radeon RX 5950 is a desktop card while Radeon RX 6600M is a notebook 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 5950
Radeon RX 5950
AMD Radeon RX 6600M
Radeon RX 6600M

Comparisons with similar GPUs

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Community ratings

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5 9 votes

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4.3 985 votes

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Questions & comments

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