Radeon HD 6670A vs UHD Graphics 630

Primary details

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

Place in the ranking762not rated
Place by popularity31not in top-100
Power efficiency14.12no data
ArchitectureGeneration 9.5 (2016−2020)TeraScale 2 (2009−2015)
GPU code nameComet Lake GT2Turks
Market segmentDesktopLaptop
Release date1 October 2017 (7 years ago)19 April 2011 (13 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 cores184480
Core clock speed350 MHz600 MHz
Boost clock speed1150 MHzno data
Number of transistors189 million716 million
Manufacturing process technology14 nm+++40 nm
Power consumption (TDP)15 Watt45 Watt
Texture fill rate26.4514.40
Floating-point processing power0.4232 TFLOPS0.576 TFLOPS
ROPs38
TMUs2324

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).

InterfacePCIe 3.0 x1MXM-A (3.0)
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 SharedGDDR5
Maximum RAM amountSystem Shared1 GB
Memory bus widthSystem Shared128 Bit
Memory clock speedSystem Shared1000 MHz
Memory bandwidthno data64 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

Supported technologies

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

Quick Sync+no data

API compatibility

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

DirectX12 (12_1)11.2 (11_0)
Shader Model6.55.0
OpenGL4.64.4
OpenCL2.11.2
Vulkan1.1.103N/A

Pros & cons summary


Recency 1 October 2017 19 April 2011
Chip lithography 14 nm 40 nm
Power consumption (TDP) 15 Watt 45 Watt

UHD Graphics 630 has an age advantage of 6 years, a 185.7% more advanced lithography process, and 200% lower power consumption.

We couldn't decide between UHD Graphics 630 and Radeon HD 6670A. We've got no test results to judge.

Be aware that UHD Graphics 630 is a desktop card while Radeon HD 6670A 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.


Intel UHD Graphics 630
UHD Graphics 630
AMD Radeon HD 6670A
Radeon HD 6670A

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 3899 votes

Rate UHD Graphics 630 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.5 2 votes

Rate Radeon HD 6670A 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.