GeForce 6600 AGP vs Radeon RX 5900

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
ArchitectureRDNA 2.0 (2020−2024)Curie (2003−2013)
GPU code nameNavi 21NV43 A2
Market segmentDesktopDesktop
Release dateno data (2024 years ago)12 August 2004 (20 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 cores4096no data
Core clock speedno data300 MHz
Boost clock speed1635 MHzno data
Number of transistors21,000 million146 million
Manufacturing process technology7 nm110 nm
Power consumption (TDP)300 Wattno data
Texture fill rate418.62.400
Floating-point processing power13.39 TFLOPSno data
ROPs964
TMUs2568

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 4.0 x16PCIe 1.0 x16
Width2-slot1-slot
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 typeGDDR6DDR
Maximum RAM amount12 GB128 MB
Memory bus width384 Bit128 Bit
Memory clock speed14000 MHz250 MHz
Memory bandwidth672.0 GB/s8 GB/s

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 DisplayPort1x DVI, 1x VGA, 1x S-Video
HDMI+-

API compatibility

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

DirectX12 Ultimate (12_1)9.0c (9_3)
Shader Modelno data3.0
OpenGL4.62.1
OpenCLno dataN/A
Vulkan-N/A

Pros & cons summary


Maximum RAM amount 12 GB 128 MB
Chip lithography 7 nm 110 nm

RX 5900 has a 9500% higher maximum VRAM amount, and a 1471.4% more advanced lithography process.

We couldn't decide between Radeon RX 5900 and GeForce 6600 AGP. 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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AMD Radeon RX 5900
Radeon RX 5900
NVIDIA GeForce 6600 AGP
GeForce 6600 AGP

Comparisons with similar GPUs

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Community ratings

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3.5 15 votes

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4.3 6 votes

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Questions & comments

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