Radeon 520 OEM vs ATI HD 4650

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Primary details

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

Place in the ranking1196not rated
Place by popularitynot in top-100not in top-100
Power efficiency0.90no data
ArchitectureTeraScale (2005−2013)GCN 1.0 (2011−2020)
GPU code nameRV730Banks
Market segmentDesktopDesktop
Release date10 September 2008 (16 years ago)18 April 2017 (7 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 cores320320
Core clock speed600 MHz1030 MHz
Number of transistors514 million690 million
Manufacturing process technology55 nm28 nm
Power consumption (TDP)48 Watt50 Watt
Texture fill rate19.2020.60
Floating-point processing power0.384 TFLOPS0.6592 TFLOPS
ROPs88
TMUs3220

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 2.0 x16PCIe 3.0 x8
Length193 mmno data
Width1-slotIGP
Supplementary power connectorsno dataNone

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 typeGDDR3GDDR5
Maximum RAM amount256 MB2 GB
Memory bus width128 Bit64 Bit
Memory clock speed700 MHz1125 MHz
Memory bandwidth22.4 GB/s36 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 Connectors2x DVI, 1x S-VideoNo outputs

API compatibility

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

DirectX10.1 (10_1)12 (11_1)
Shader Model4.16.5 (5.1)
OpenGL3.34.6
OpenCL1.12.1 (1.2)
VulkanN/A1.2.170

Pros & cons summary


Recency 10 September 2008 18 April 2017
Maximum RAM amount 256 MB 2 GB
Chip lithography 55 nm 28 nm
Power consumption (TDP) 48 Watt 50 Watt

ATI HD 4650 has 4.2% lower power consumption.

520 OEM, on the other hand, has an age advantage of 8 years, a 700% higher maximum VRAM amount, and a 96.4% more advanced lithography process.

We couldn't decide between Radeon HD 4650 and Radeon 520 OEM. 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.

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ATI Radeon HD 4650
Radeon HD 4650
AMD Radeon 520 OEM
Radeon 520 OEM

Comparisons with similar GPUs

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Community ratings

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3.2 227 votes

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3 2 votes

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Questions & comments

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