UHD Graphics 770 Mobile vs Radeon HD 8790M

VS

Primary details

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

Place in the ranking733not rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 1.0 (2011−2020)Generation 12.2 (2022−2023)
GPU code nameMarsRaptor Lake GT1
Market segmentLaptopLaptop
Release date1 April 2013 (11 years ago)4 January 2023 (1 year 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 cores384256
Core clock speed850 MHz300 MHz
Boost clock speed900 MHz1600 MHz
Number of transistors950 millionno data
Manufacturing process technology28 nm10 nm
Power consumption (TDP)unknown15 Watt
Texture fill rate21.6025.60
Floating-point processing power0.6912 TFLOPS0.8192 TFLOPS
ROPs88
TMUs2416

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
InterfaceMXM-A (3.0)Ring Bus
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 typeGDDR5System Shared
Maximum RAM amount2 GBSystem Shared
Memory bus width128 BitSystem Shared
Memory clock speed1000 MHzSystem Shared
Memory bandwidth64 GB/sno 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 outputsPortable Device Dependent

API compatibility

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

DirectX12 (11_1)12 (12_1)
Shader Model5.16.6
OpenGL4.64.6
OpenCL1.23.0
Vulkan1.2.1311.3

Pros & cons summary


Recency 1 April 2013 4 January 2023
Chip lithography 28 nm 10 nm

UHD Graphics 770 Mobile has an age advantage of 9 years, and a 180% more advanced lithography process.

We couldn't decide between Radeon HD 8790M and UHD Graphics 770 Mobile. 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 8790M
Radeon HD 8790M
Intel UHD Graphics 770 Mobile
UHD Graphics 770 Mobile

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.


3.3 337 votes

Rate Radeon HD 8790M on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
2.9 17 votes

Rate UHD Graphics 770 Mobile 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.