Radeon HD 7470A vs HD 7790

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Primary details

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

Place in the ranking518not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.13no data
Power efficiency6.47no data
ArchitectureGCN 2.0 (2013−2017)TeraScale 2 (2009−2015)
GPU code nameBonaireCaicos
Market segmentDesktopLaptop
Release date22 March 2013 (11 years ago)5 January 2012 (12 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 cores896160
Core clock speed1000 MHz625 MHz
Number of transistors2,080 million370 million
Manufacturing process technology28 nm40 nm
Power consumption (TDP)85 Watt25 Watt
Texture fill rate56.005.000
Floating-point processing power1.792 TFLOPS0.2 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 x16MXM-A (3.0)
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 MHz800 MHz
Memory bandwidth96 GB/s12.8 GB/s

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)11.2 (11_0)
Shader Model6.35.0
OpenGL4.64.4
OpenCL2.01.2
Vulkan1.2.131N/A

Pros & cons summary


Recency 22 March 2013 5 January 2012
Maximum RAM amount 1 GB 512 MB
Chip lithography 28 nm 40 nm
Power consumption (TDP) 85 Watt 25 Watt

HD 7790 has an age advantage of 1 year, a 100% higher maximum VRAM amount, and a 42.9% more advanced lithography process.

HD 7470A, on the other hand, has 240% lower power consumption.

We couldn't decide between Radeon HD 7790 and Radeon HD 7470A. We've got no test results to judge.

Be aware that Radeon HD 7790 is a desktop card while Radeon HD 7470A is a notebook one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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AMD Radeon HD 7790
Radeon HD 7790
AMD Radeon HD 7470A
Radeon HD 7470A

Comparisons with similar GPUs

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Community ratings

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4 230 votes

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3.4 10 votes

Rate Radeon HD 7470A on a scale of 1 to 5:

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Questions & comments

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