GeForce GTX 1660 Mobile vs ATI Radeon HD 2900 XTX

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
ArchitectureTeraScale (2005−2013)Turing (2018−2022)
GPU code nameR600TU116B
Market segmentDesktopLaptop
Release dateno data (2024 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 cores3201280
Core clock speed743 MHz1455 MHz
Boost clock speedno data1590 MHz
Number of transistors720 million6,600 million
Manufacturing process technology80 nm12 nm
Power consumption (TDP)240 Wattno data
Texture fill rate11.89127.2
Floating-point processing powerno data4.07 TFLOPS
ROPs1648
TMUs1680

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
Length315 mmno data
Width2-slotno data
Supplementary power connectors2x 6-pinno data

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 typeGDDR3GDDR6
Maximum RAM amount512 MB6 GB
Memory bus width512 Bit192 Bit
Memory clock speed1656 MBps2000 MHz
Memory bandwidth106.0 GB/s384.0 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 Connectors2x DVI, 1x S-Video1x DVI, 1x HDMI, 3x DisplayPort
HDMI-+

API compatibility

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

DirectX10.0 (10_0)12 (12_1)
Shader Model4.06.5
OpenGL3.3 (full) 4.0 (partial)4.6
OpenCLN/A1.2
VulkanN/A1.2.140
CUDA-7.5

Pros & cons summary


Maximum RAM amount 512 MB 6 GB
Chip lithography 80 nm 12 nm

GTX 1660 Mobile has a 1100% higher maximum VRAM amount, and a 566.7% more advanced lithography process.

We couldn't decide between Radeon HD 2900 XTX and GeForce GTX 1660 Mobile. We've got no test results to judge.

Be aware that Radeon HD 2900 XTX is a desktop card while GeForce GTX 1660 Mobile is a notebook one.


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 Radeon HD 2900 XTX
Radeon HD 2900 XTX
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.


5 4 votes

Rate Radeon HD 2900 XTX on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
2.8 103 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.