ATI Mobility Radeon HD 5450 vs HD 8670D

Primary details

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

Place in the ranking1010not rated
Place by popularitynot in top-100not in top-100
Power efficiency0.96no data
ArchitectureTeraScale 3 (2010−2013)TeraScale 2 (2009−2015)
GPU code nameDevastatorPark
Market segmentDesktopLaptop
Release date12 March 2013 (11 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 cores38480
Core clock speed844 MHz650 MHz
Boost clock speed950 MHzno data
Number of transistors1,303 million292 million
Manufacturing process technology32 nm40 nm
Power consumption (TDP)100 Watt11 Watt
Texture fill rate22.805.200
Floating-point processing power0.7296 TFLOPS0.104 TFLOPS
ROPs84
TMUs248

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).

InterfaceIGPPCIe 2.0 x16
WidthIGPno 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 typeSystem SharedGDDR3
Maximum RAM amountSystem Shared1 GB
Memory bus widthSystem Shared64 Bit
Memory clock speedSystem Shared667 MHz
Memory bandwidthno data10.67 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.

DirectX11.2 (11_0)11.2 (11_0)
Shader Model5.05.0
OpenGL4.44.4
OpenCL1.21.2
VulkanN/AN/A

Pros & cons summary


Recency 12 March 2013 7 January 2010
Chip lithography 32 nm 40 nm
Power consumption (TDP) 100 Watt 11 Watt

HD 8670D has an age advantage of 3 years, and a 25% more advanced lithography process.

ATI Mobility HD 5450, on the other hand, has 809.1% lower power consumption.

We couldn't decide between Radeon HD 8670D and Mobility Radeon HD 5450. We've got no test results to judge.

Be aware that Radeon HD 8670D is a desktop card while Mobility Radeon HD 5450 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.


AMD Radeon HD 8670D
Radeon HD 8670D
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.


3.5 60 votes

Rate Radeon HD 8670D 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.