GeForce 8400M G vs Radeon HD 6720G2

Primary details

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

Place in the ranking949not rated
Place by popularitynot in top-100not in top-100
ArchitectureTerascale 2 (2009−2015)Tesla (2006−2010)
GPU code nameno dataG86
Market segmentLaptopLaptop
Release date14 June 2011 (13 years ago)9 May 2007 (17 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 cores8808
Core clock speedno data400 MHz
Number of transistorsno data210 million
Manufacturing process technology40 nm80 nm
Power consumption (TDP)no data10 Watt
Texture fill rateno data3.200
Floating-point processing powerno data0.0128 TFLOPS
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 sizemedium sizedno data
Interfaceno dataPCIe 1.0 x16
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 typeno dataGDDR3
Maximum RAM amountno data256 MB
Memory bus widthno data64 Bit
Memory clock speedno data400 MHz
Memory bandwidthno data6.4 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.

DirectX1111.1 (10_0)
Shader Modelno data4.0
OpenGLno data3.3
OpenCLno data1.1
Vulkan-N/A
CUDA-1.1

Pros & cons summary


Recency 14 June 2011 9 May 2007
Chip lithography 40 nm 80 nm

HD 6720G2 has an age advantage of 4 years, and a 100% more advanced lithography process.

We couldn't decide between Radeon HD 6720G2 and GeForce 8400M G. 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.


AMD Radeon HD 6720G2
Radeon HD 6720G2
NVIDIA GeForce 8400M G
GeForce 8400M G

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.


4.5 12 votes

Rate Radeon HD 6720G2 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3 21 vote

Rate GeForce 8400M G 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.