ATI Mobility Radeon X1600 vs GeForce GTX 660M

Primary details

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

Place in the ranking706not rated
Place by popularitynot in top-100not in top-100
Power efficiency5.22no data
ArchitectureKepler (2012−2018)R500 (2005−2007)
GPU code nameGK107M56
Market segmentLaptopLaptop
Release date22 March 2012 (12 years ago)1 February 2006 (18 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 cores38417
Core clock speed835 MHz450 MHz
Boost clock speed950 MHz450 MHz
Number of transistors1,270 million157 million
Manufacturing process technology28 nm90 nm
Power consumption (TDP)50 Wattno data
Texture fill rate30.401.800
Floating-point processing power0.7296 TFLOPSno data
ROPs164
TMUs324

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 sizelargemedium sized
Bus supportPCI Express 2.0, PCI Express 3.0no data
InterfaceMXM-B (3.0)PCIe 1.0 x16
SLI options+-

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 typeGDDR5GDDR3
Maximum RAM amount1 GB256 MB
Memory bus width128bit128 Bit
Memory clock speed2000 MHz470 MHz
Memory bandwidth64.0 GB/s15.04 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 ConnectorsNo outputsNo outputs
HDMI+-
HDCP+-
Maximum VGA resolutionUp to 2048x1536no data

Supported technologies

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

Optimus+-

API compatibility

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

DirectX12 API9.0c (9_3)
Shader Model5.13.0
OpenGL4.52.0
OpenCL1.1N/A
Vulkan1.1.126N/A
CUDA+-

Pros & cons summary


Recency 22 March 2012 1 February 2006
Maximum RAM amount 1 GB 256 MB
Chip lithography 28 nm 90 nm

GTX 660M has an age advantage of 6 years, a 300% higher maximum VRAM amount, and a 221.4% more advanced lithography process.

We couldn't decide between GeForce GTX 660M and Mobility Radeon X1600. 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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NVIDIA GeForce GTX 660M
GeForce GTX 660M
ATI Mobility Radeon X1600
Mobility Radeon X1600

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

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3.6 210 votes

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Questions & comments

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