Radeon HD 6620G + HD 7450M Dual Graphics vs GeForce GTX 950M

Primary details

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

Place in the ranking556not rated
Place by popularitynot in top-100not in top-100
Power efficiency6.38no data
ArchitectureMaxwell (2014−2017)Terascale 2 (2009−2015)
GPU code nameGM107no data
Market segmentLaptopLaptop
Release date13 March 2015 (9 years ago)8 February 2012 (12 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 cores640560
Core clock speed914 MHz400 / 700 MHz
Boost clock speed1124 MHzno data
Number of transistors1,870 millionno data
Manufacturing process technology28 nm40 nm
Power consumption (TDP)75 Wattno data
Texture fill rate44.96no data
Floating-point processing power1.439 TFLOPSno data
ROPs16no data
TMUs40no data

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
Bus supportPCI Express 3.0no data
InterfacePCIe 3.0 x8no data
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 typeDDR3 or GDDR5no data
Maximum RAM amount4 GBno data
Memory bus width128 Bitno data
Memory clock speed1000 or 2500 MHz1800 MHz
Memory bandwidth32 or 80 GB/sno data
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 data
VGA аnalog display support+no data
DisplayPort Multimode (DP++) support+no data
HDMI+-

Supported technologies

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

GameStream+-
GeForce ShadowPlay+-
GPU Boost2.0no data
GameWorks+-
H.264, VC1, MPEG2 1080p video decoder+-
Optimus+-
BatteryBoost+-
Ansel+-

API compatibility

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

DirectX12 (11_0)11
Shader Model5.1no data
OpenGL4.5no data
OpenCL1.2no data
Vulkan1.1.126-
CUDA+-

Pros & cons summary


Recency 13 March 2015 8 February 2012
Chip lithography 28 nm 40 nm

GTX 950M has an age advantage of 3 years, and a 42.9% more advanced lithography process.

We couldn't decide between GeForce GTX 950M and Radeon HD 6620G + HD 7450M Dual Graphics. 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.


NVIDIA GeForce GTX 950M
GeForce GTX 950M
AMD Radeon HD 6620G + HD 7450M Dual Graphics
Radeon HD 6620G + HD 7450M Dual Graphics

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.


3.5 1098 votes

Rate GeForce GTX 950M on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.5 8 votes

Rate Radeon HD 6620G HD 7450M Dual Graphics 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.