ATI Radeon X600 XT vs GeForce GT 820M

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Primary details

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

Place in the ranking989not rated
Place by popularitynot in top-100not in top-100
Power efficiency6.68no data
ArchitectureFermi 2.0 (2010−2014)Rage 9 (2003−2006)
GPU code nameGF117RV380
Market segmentLaptopDesktop
Release date27 November 2013 (10 years ago)1 September 2004 (20 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 cores96no data
Core clock speed775 MHz500 MHz
Number of transistors585 million75 million
Manufacturing process technology28 nm130 nm
Power consumption (TDP)15 Watt25 Watt
Texture fill rate12.402.000
Floating-point processing power0.2976 TFLOPSno data
ROPs84
TMUs164

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 1.0 x16
Widthno data1-slot
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 typeDDR3DDR
Maximum RAM amount1 GB128 MB
Memory bus width64 Bit128 Bit
Memory clock speed900 MHz370 MHz
Memory bandwidth14.4 GB/s11.84 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 outputs1x DVI, 1x VGA, 1x S-Video

API compatibility

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

DirectX12 (11_0)9.0b
Shader Model5.1no data
OpenGL4.62.0
OpenCL1.1N/A
VulkanN/AN/A
CUDA2.1-

Pros & cons summary


Recency 27 November 2013 1 September 2004
Maximum RAM amount 1 GB 128 MB
Chip lithography 28 nm 130 nm
Power consumption (TDP) 15 Watt 25 Watt

GT 820M has an age advantage of 9 years, a 700% higher maximum VRAM amount, a 364.3% more advanced lithography process, and 66.7% lower power consumption.

We couldn't decide between GeForce GT 820M and Radeon X600 XT. We've got no test results to judge.

Be aware that GeForce GT 820M is a notebook card while Radeon X600 XT 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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NVIDIA GeForce GT 820M
GeForce GT 820M
ATI Radeon X600 XT
Radeon X600 XT

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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3.3 116 votes

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4.3 4 votes

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Questions & comments

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