ATI Radeon HD 3450 AGP vs HD Graphics 520

Primary details

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

Place in the ranking860not rated
Place by popularity43not in top-100
Power efficiency9.99no data
ArchitectureGeneration 9.0 (2015−2016)TeraScale (2005−2013)
GPU code nameSkylake GT2RV620
Market segmentLaptopDesktop
Release date1 September 2015 (9 years ago)23 January 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 cores19240
Core clock speed300 MHz600 MHz
Boost clock speed900 MHzno data
Number of transistors189 million181 million
Manufacturing process technology14 nm+55 nm
Power consumption (TDP)15 Watt25 Watt
Texture fill rate21.602.400
Floating-point processing power0.3456 TFLOPS0.048 TFLOPS
ROPs34
TMUs244

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).

InterfaceRing BusAGP 8x
Widthno data1-slot
Supplementary power connectorsno data1x Molex

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 typeDDR3L/LPDDR3/DDR4DDR2
Maximum RAM amount32 GB512 MB
Memory bus widthSystem Shared64 Bit
Memory clock speedSystem Shared500 MHz
Memory bandwidthno data8 GB/s
Shared memory+no data

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 ConnectorsPortable Device Dependent2x DVI

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

Quick Sync+no data

API compatibility

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

DirectX12 (12_1)10.1 (10_1)
Shader Model6.44.1
OpenGL4.63.3
OpenCL3.0N/A
Vulkan+N/A

Pros & cons summary


Recency 1 September 2015 23 January 2008
Maximum RAM amount 32 GB 512 MB
Chip lithography 14 nm 55 nm
Power consumption (TDP) 15 Watt 25 Watt

HD Graphics 520 has an age advantage of 7 years, a 6300% higher maximum VRAM amount, a 292.9% more advanced lithography process, and 66.7% lower power consumption.

We couldn't decide between HD Graphics 520 and Radeon HD 3450 AGP. We've got no test results to judge.

Be aware that HD Graphics 520 is a notebook card while Radeon HD 3450 AGP 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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Intel HD Graphics 520
HD Graphics 520
ATI Radeon HD 3450 AGP
Radeon HD 3450 AGP

Comparisons with similar GPUs

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Community ratings

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3 3035 votes

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3.9 19 votes

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Questions & comments

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