Radeon 620 vs HD 6510

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Primary details

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

Place in the rankingnot rated848
Place by popularitynot in top-100not in top-100
Power efficiencyno data3.23
ArchitectureTeraScale 2 (2009−2015)GCN 3.0 (2014−2019)
GPU code nameTurksPolaris 24
Market segmentDesktopLaptop
Release date14 May 2011 (13 years ago)13 May 2019 (5 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 cores320384
Core clock speed650 MHz730 MHz
Boost clock speedno data1024 MHz
Number of transistors716 million1,550 million
Manufacturing process technology40 nm28 nm
Power consumption (TDP)39 Watt50 Watt
Texture fill rate10.4024.58
Floating-point processing power0.416 TFLOPS0.7864 TFLOPS
ROPs88
TMUs1624

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
Length165 mmno data
Width1-slotno data
Supplementary power connectorsNoneNone

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 typeGDDR3DDR3
Maximum RAM amount1 GB2 GB
Memory bus width128 Bit64 Bit
Memory clock speed667 MHz900 MHz
Memory bandwidth21.34 GB/s14.4 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, 1x VGANo outputs
HDMI+-

API compatibility

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

DirectX11.2 (11_0)12 (12_0)
Shader Model5.06.3
OpenGL4.44.6
OpenCL1.22.0
VulkanN/A1.2.131

Pros & cons summary


Recency 14 May 2011 13 May 2019
Maximum RAM amount 1 GB 2 GB
Chip lithography 40 nm 28 nm
Power consumption (TDP) 39 Watt 50 Watt

HD 6510 has 28.2% lower power consumption.

Radeon 620, on the other hand, has an age advantage of 7 years, a 100% higher maximum VRAM amount, and a 42.9% more advanced lithography process.

We couldn't decide between Radeon HD 6510 and Radeon 620. We've got no test results to judge.

Be aware that Radeon HD 6510 is a desktop card while Radeon 620 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 6510
Radeon HD 6510
AMD Radeon 620
Radeon 620

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

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3 39 votes

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3.2 65 votes

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Questions & comments

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