Radeon 620 vs ATI DDR

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Primary details

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

Place in the rankingnot rated851
Place by popularitynot in top-100not in top-100
Power efficiencyno data3.23
ArchitectureRage 6 (2000−2007)GCN 3.0 (2014−2019)
GPU code nameRage 6Polaris 24
Market segmentDesktopLaptop
Release date1 April 2000 (24 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 coresno data384
Core clock speed166 MHz730 MHz
Boost clock speedno data1024 MHz
Number of transistors30 million1,550 million
Manufacturing process technology180 nm28 nm
Power consumption (TDP)23 Watt50 Watt
Texture fill rate124.58
Floating-point processing powerno data0.7864 TFLOPS
ROPs28
TMUs624

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).

InterfaceAGP 4xPCIe 3.0 x8
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 typeDDRDDR3
Maximum RAM amount32 MB2 GB
Memory bus width128 Bit64 Bit
Memory clock speed166 MHz900 MHz
Memory bandwidth5.312 GB/s14.4 GB/s
Shared memoryno 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 Connectors1x VGANo outputs

API compatibility

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

DirectX7.012 (12_0)
Shader Modelno data6.3
OpenGL1.34.6
OpenCLN/A2.0
VulkanN/A1.2.131

Pros & cons summary


Recency 1 April 2000 13 May 2019
Maximum RAM amount 32 MB 2 GB
Chip lithography 180 nm 28 nm
Power consumption (TDP) 23 Watt 50 Watt

ATI DDR has 117.4% lower power consumption.

Radeon 620, on the other hand, has an age advantage of 19 years, a 6300% higher maximum VRAM amount, and a 542.9% more advanced lithography process.

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

Be aware that Radeon DDR 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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ATI Radeon DDR
Radeon DDR
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

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


4.5 4 votes

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3.2 65 votes

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Questions & comments

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