Radeon RX Vega 2 vs HD 7640G

VS

Primary details

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

Place in the ranking1057not rated
Place by popularitynot in top-100not in top-100
Power efficiency2.37no data
ArchitectureTeraScale 3 (2010−2013)Vega (2017−2020)
GPU code nameDevastator LiteVega Raven Ridge
Market segmentLaptopLaptop
Release date15 May 2012 (12 years ago)7 January 2018 (6 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 cores256128
Core clock speed496 MHzno data
Boost clock speed685 MHz1100 MHz
Number of transistors1,303 millionno data
Manufacturing process technology32 nm12 nm
Power consumption (TDP)35 Watt15 Watt
Texture fill rate10.96no data
Floating-point processing power0.3507 TFLOPSno data
ROPs8no data
TMUs16no 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
InterfaceIGPno 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 Sharedno data
Maximum RAM amountSystem Sharedno data
Memory bus widthSystem Sharedno data
Memory clock speedSystem Sharedno 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

API compatibility

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

DirectX11.2 (11_0)12_1
Shader Model5.0no data
OpenGL4.4no data
OpenCL1.2no data
VulkanN/A-

Pros & cons summary


Recency 15 May 2012 7 January 2018
Chip lithography 32 nm 12 nm
Power consumption (TDP) 35 Watt 15 Watt

RX Vega 2 has an age advantage of 5 years, a 166.7% more advanced lithography process, and 133.3% lower power consumption.

We couldn't decide between Radeon HD 7640G and Radeon RX Vega 2. 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.


AMD Radeon HD 7640G
Radeon HD 7640G
AMD Radeon RX Vega 2
Radeon RX Vega 2

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.


2.9 166 votes

Rate Radeon HD 7640G on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.2 209 votes

Rate Radeon RX Vega 2 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.