GeForce GT 740 OEM vs Radeon HD 7660G + HD 7670M Dual Graphics

Primary details

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

Place in the ranking870not rated
Place by popularitynot in top-100not in top-100
ArchitectureTerascale 2 (2009−2015)Kepler (2012−2018)
GPU code nameno dataGK106
Market segmentLaptopDesktop
Release date15 May 2012 (12 years ago)14 April 2015 (9 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 cores862384
Core clock speed685 / 600 MHz1050 MHz
Number of transistorsno data2,540 million
Manufacturing process technology32 nm28 nm
Power consumption (TDP)no data65 Watt
Texture fill rateno data33.60
Floating-point processing powerno data0.8064 TFLOPS
ROPsno data16
TMUsno data32

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 sizemedium sizedno data
Interfaceno dataPCIe 3.0 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 typeDDR3,GDDR5GDDR5
Maximum RAM amountno data1 GB
Memory bus width128 Bit128 Bit
Memory clock speed1800 MHz1253 MHz
Memory bandwidthno data80.19 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 dataNo outputs

API compatibility

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

DirectX1112 (11_0)
Shader Modelno data5.1
OpenGLno data4.6
OpenCLno data1.2
Vulkan-1.1.126
CUDA-3.0

Pros & cons summary


Recency 15 May 2012 14 April 2015
Chip lithography 32 nm 28 nm

GT 740 OEM has an age advantage of 2 years, and a 14.3% more advanced lithography process.

We couldn't decide between Radeon HD 7660G + HD 7670M Dual Graphics and GeForce GT 740 OEM. We've got no test results to judge.

Be aware that Radeon HD 7660G + HD 7670M Dual Graphics is a notebook card while GeForce GT 740 OEM is a desktop 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.


AMD Radeon HD 7660G + HD 7670M Dual Graphics
Radeon HD 7660G + HD 7670M Dual Graphics
NVIDIA GeForce GT 740 OEM
GeForce GT 740 OEM

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.


3.2 57 votes

Rate Radeon HD 7660G HD 7670M Dual Graphics on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
2.7 9 votes

Rate GeForce GT 740 OEM 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.