ATI Mobility Radeon HD 5450 vs GeForce GT 420M

Primary details

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

Place in the ranking1103not rated
Place by popularitynot in top-100not in top-100
Power efficiency3.07no data
ArchitectureFermi (2010−2014)TeraScale 2 (2009−2015)
GPU code nameGF108Park
Market segmentLaptopLaptop
Release date3 September 2010 (14 years ago)7 January 2010 (14 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 cores9680
Core clock speed500 MHz650 MHz
Number of transistors585 million292 million
Manufacturing process technology40 nm40 nm
Power consumption (TDP)23 Watt11 Watt
Texture fill rate8.0005.200
Floating-point processing power0.192 TFLOPS0.104 TFLOPS
ROPs44
TMUs168

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
InterfacePCIe 2.0 x16PCIe 2.0 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 typeDDR3GDDR3
Maximum RAM amount1 GB1 GB
Memory bus width128 Bit64 Bit
Memory clock speed800 MHz667 MHz
Memory bandwidth25.6 GB/s10.67 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 outputsNo outputs

API compatibility

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

DirectX12 API11.2 (11_0)
Shader Model5.15.0
OpenGL4.54.4
OpenCL1.11.2
VulkanN/AN/A
CUDA+-

Pros & cons summary


Recency 3 September 2010 7 January 2010
Power consumption (TDP) 23 Watt 11 Watt

GT 420M has an age advantage of 7 months.

ATI Mobility HD 5450, on the other hand, has 109.1% lower power consumption.

We couldn't decide between GeForce GT 420M and Mobility Radeon HD 5450. 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 GT 420M
GeForce GT 420M
ATI Mobility Radeon HD 5450
Mobility Radeon HD 5450

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.


2.7 122 votes

Rate GeForce GT 420M on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.1 22 votes

Rate Mobility Radeon HD 5450 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.