GeForce GTX 1660 Mobile vs ATI Mobility Radeon X1400

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
ArchitectureR500 (2005−2007)Turing (2018−2022)
GPU code nameM54TU116B
Market segmentLaptopLaptop
Release date19 January 2006 (18 years ago)15 May 2019 (5 years ago)
Launch price (MSRP)no data$229

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 cores61280
Core clock speed445 MHz1455 MHz
Boost clock speed445 MHz1590 MHz
Number of transistors107 million6,600 million
Manufacturing process technology90 nm12 nm
Texture fill rate1.780127.2
Floating-point processing powerno data4.07 TFLOPS
ROPs448
TMUs480

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 1.0 x16PCIe 3.0 x16

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 typeDDR2GDDR6
Maximum RAM amount128 MB6 GB
Memory bus width128 Bit192 Bit
Memory clock speed250 MHz2000 MHz
Memory bandwidth8 GB/s384.0 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 ConnectorsNo outputs1x DVI, 1x HDMI, 3x DisplayPort
HDMI-+

API compatibility

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

DirectX9.0c (9_3)12 (12_1)
Shader Model3.06.5
OpenGL2.04.6
OpenCLN/A1.2
VulkanN/A1.2.140
CUDA-7.5

Pros & cons summary


Recency 19 January 2006 15 May 2019
Maximum RAM amount 128 MB 6 GB
Chip lithography 90 nm 12 nm

GTX 1660 Mobile has an age advantage of 13 years, a 4700% higher maximum VRAM amount, and a 650% more advanced lithography process.

We couldn't decide between Mobility Radeon X1400 and GeForce GTX 1660 Mobile. 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.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


ATI Mobility Radeon X1400
Mobility Radeon X1400
NVIDIA GeForce GTX 1660 Mobile
GeForce GTX 1660 Mobile

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.


3.4 29 votes

Rate Mobility Radeon X1400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
2.7 142 votes

Rate GeForce GTX 1660 Mobile on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.