ATI Mobility Radeon HD 4330 vs HD 7790

Primary details

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

Place in the ranking516not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.96no data
Power efficiency6.52no data
ArchitectureGCN 2.0 (2013−2017)TeraScale (2005−2013)
GPU code nameBonaireM92
Market segmentDesktopLaptop
Release date22 March 2013 (11 years ago)9 January 2009 (15 years ago)
Launch price (MSRP)$149 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 cores89680
Core clock speed1000 MHz450 MHz
Number of transistors2,080 million242 million
Manufacturing process technology28 nm55 nm
Power consumption (TDP)85 Wattno data
Texture fill rate56.003.600
Floating-point processing power1.792 TFLOPS0.072 TFLOPS
ROPs164
TMUs568

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 x16PCIe 2.0 x16
Length183 mmno data
Width2-slotno data
Supplementary power connectors1x 6-pinno 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 typeGDDR5GDDR3
Maximum RAM amount1 GB512 MB
Memory bus width128 Bit64 Bit
Memory clock speed1500 MHz600 MHz
Memory bandwidth96 GB/s9.6 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 Connectors1x DVI, 1x HDMI, 2x mini-DisplayPortNo outputs
HDMI+-

API compatibility

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

DirectX12 (12_0)10.1 (10_1)
Shader Model6.34.1
OpenGL4.63.3
OpenCL2.01.1
Vulkan1.2.131N/A

Pros & cons summary


Recency 22 March 2013 9 January 2009
Maximum RAM amount 1 GB 512 MB
Chip lithography 28 nm 55 nm

HD 7790 has an age advantage of 4 years, a 100% higher maximum VRAM amount, and a 96.4% more advanced lithography process.

We couldn't decide between Radeon HD 7790 and Mobility Radeon HD 4330. We've got no test results to judge.

Be aware that Radeon HD 7790 is a desktop card while Mobility Radeon HD 4330 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 7790
Radeon HD 7790
ATI Mobility Radeon HD 4330
Mobility Radeon HD 4330

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.


3.9 219 votes

Rate Radeon HD 7790 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.2 47 votes

Rate Mobility Radeon HD 4330 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.