GeForce 6600 vs Radeon R9 M390

Primary details

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

Place in the ranking447not rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN (2012−2015)Curie (2003−2013)
GPU code namePitcairnNV43 A2
Market segmentLaptopDesktop
Release date9 June 2015 (9 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 cores1024no data
Core clock speedno data300 MHz
Number of transistors5000 Million146 million
Manufacturing process technology28 nm110 nm
Texture fill rateno data2.400
ROPsno data4
TMUsno data8

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 sizelargeno data
Bus supportPCIe 3.0no data
Interfaceno dataPCIe 1.0 x16
Widthno data1-slot
Supplementary power connectorsno dataNone

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 typeGDDR5DDR
Maximum RAM amount2 GB256 MB
Memory bus width256 Bit128 Bit
Memory clock speedno data250 MHz
Memory bandwidthno data8 GB/s
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 data1x DVI, 1x VGA, 1x S-Video
Eyefinity+-

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

FreeSync+-
HD3D+-
PowerTune+-
DualGraphics+-
ZeroCore+-
Switchable graphics+-

API compatibility

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

DirectXDirectX® 129.0c (9_3)
Shader Modelno data3.0
OpenGL4.42.1
OpenCLNot ListedN/A
Vulkan-N/A
Mantle+-

Pros & cons summary


Recency 9 June 2015 12 August 2004
Maximum RAM amount 2 GB 256 MB
Chip lithography 28 nm 110 nm

R9 M390 has an age advantage of 10 years, a 700% higher maximum VRAM amount, and a 292.9% more advanced lithography process.

We couldn't decide between Radeon R9 M390 and GeForce 6600. We've got no test results to judge.

Be aware that Radeon R9 M390 is a notebook card while GeForce 6600 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 R9 M390
Radeon R9 M390
NVIDIA GeForce 6600
GeForce 6600

Comparisons with similar GPUs

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Community ratings

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3.2 13 votes

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Questions & comments

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