Radeon RX 6600M vs GeForce 6600 LE AGP

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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 data24.57
ArchitectureCurie (2003−2013)RDNA 2.0 (2020−2024)
GPU code nameNV43Navi 23
Market segmentDesktopLaptop
Release date2005 (19 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 coresno data1792
Core clock speed300 MHz2068 MHz
Boost clock speedno data2416 MHz
Number of transistors146 million11,060 million
Manufacturing process technology110 nm7 nm
Power consumption (TDP)no data100 Watt
Texture fill rate1.200270.6
Floating-point processing powerno data8.659 TFLOPS
ROPs464
TMUs4112
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
InterfaceAGP 8xPCIe 4.0 x8
Width1-slotno data
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 typeDDRGDDR6
Maximum RAM amount128 MB8 GB
Memory bus width128 Bit128 Bit
Memory clock speed200 MHz1750 MHz
Memory bandwidth6.4 GB/s224.0 GB/s
Shared memoryno 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 Connectors1x DVI, 1x VGA, 1x S-VideoNo outputs

API compatibility

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

DirectX9.0c (9_3)12 Ultimate (12_2)
Shader Model3.06.5
OpenGL2.0 (full) 2.1 (partial)4.6
OpenCLN/A2.1
VulkanN/A1.3

Pros & cons summary


Maximum RAM amount 128 MB 8 GB
Chip lithography 110 nm 7 nm

RX 6600M has a 6300% higher maximum VRAM amount, and a 1471.4% more advanced lithography process.

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

Be aware that GeForce 6600 LE AGP 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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NVIDIA GeForce 6600 LE AGP
GeForce 6600 LE AGP
AMD Radeon RX 6600M
Radeon RX 6600M

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

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


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4.3 1001 vote

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Questions & comments

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