Radeon HD 6970M Rebrand vs Pro 555X

Primary details

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

Place in the ranking503not rated
Place by popularitynot in top-100not in top-100
Power efficiency7.79no data
ArchitectureGCN 4.0 (2016−2020)TeraScale 2 (2009−2015)
GPU code namePolaris 21Broadway
Market segmentMobile workstationLaptop
Release date16 July 2018 (6 years ago)4 January 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 cores768800
Core clock speed907 MHz800 MHz
Number of transistors3,000 million1,040 million
Manufacturing process technology14 nm40 nm
Power consumption (TDP)75 Watt75 Watt
Texture fill rate43.5432.00
Floating-point processing power1.393 TFLOPS1.28 TFLOPS
ROPs1616
TMUs4840

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 sizelargeno data
InterfacePCIe 3.0 x8MXM-B (3.0)
Supplementary power connectorsNoneno 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 typeGDDR5GDDR5
Maximum RAM amount4 GB1 GB
Memory bus width128 Bit128 Bit
Memory clock speed1275 MHz1000 MHz
Memory bandwidth81.6 GB/s64 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.

FreeSync+-

API compatibility

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

DirectX12 (12_0)11.2 (11_0)
Shader Model6.45.0
OpenGL4.64.4
OpenCL2.01.2
Vulkan1.2.131N/A

Pros & cons summary


Recency 16 July 2018 4 January 2011
Maximum RAM amount 4 GB 1 GB
Chip lithography 14 nm 40 nm

Pro 555X has an age advantage of 7 years, a 300% higher maximum VRAM amount, and a 185.7% more advanced lithography process.

We couldn't decide between Radeon Pro 555X and Radeon HD 6970M Rebrand. We've got no test results to judge.

Be aware that Radeon Pro 555X is a mobile workstation card while Radeon HD 6970M Rebrand is a mobile workstation 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 Pro 555X
Radeon Pro 555X
AMD Radeon HD 6970M Rebrand
Radeon HD 6970M Rebrand

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.


3.8 166 votes

Rate Radeon Pro 555X on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

No user ratings yet.

Rate Radeon HD 6970M Rebrand 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.