ATI Radeon HD 4650 vs HD 7470A

Primary details

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

Place in the rankingnot rated1192
Place by popularitynot in top-100not in top-100
Power efficiencyno data0.89
ArchitectureTeraScale 2 (2009−2015)TeraScale (2005−2013)
GPU code nameCaicosRV730
Market segmentLaptopDesktop
Release date5 January 2012 (12 years ago)10 September 2008 (16 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 cores160320
Core clock speed625 MHz600 MHz
Number of transistors370 million514 million
Manufacturing process technology40 nm55 nm
Power consumption (TDP)25 Watt48 Watt
Texture fill rate5.00019.20
Floating-point processing power0.2 TFLOPS0.384 TFLOPS
ROPs48
TMUs832

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).

InterfaceMXM-A (3.0)PCIe 2.0 x16
Lengthno data193 mm
Widthno data1-slot

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 typeGDDR3GDDR3
Maximum RAM amount512 MB256 MB
Memory bus width64 Bit128 Bit
Memory clock speed800 MHz700 MHz
Memory bandwidth12.8 GB/s22.4 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 ConnectorsNo outputs2x DVI, 1x S-Video

API compatibility

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

DirectX11.2 (11_0)10.1 (10_1)
Shader Model5.04.1
OpenGL4.43.3
OpenCL1.21.1
VulkanN/AN/A

Pros & cons summary


Recency 5 January 2012 10 September 2008
Maximum RAM amount 512 MB 256 MB
Chip lithography 40 nm 55 nm
Power consumption (TDP) 25 Watt 48 Watt

HD 7470A has an age advantage of 3 years, a 100% higher maximum VRAM amount, a 37.5% more advanced lithography process, and 92% lower power consumption.

We couldn't decide between Radeon HD 7470A and Radeon HD 4650. We've got no test results to judge.

Be aware that Radeon HD 7470A is a notebook card while Radeon HD 4650 is a desktop 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 7470A
Radeon HD 7470A
ATI Radeon HD 4650
Radeon HD 4650

Comparisons with similar GPUs

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Community ratings

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3.4 10 votes

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3.2 226 votes

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Questions & comments

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