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Radeon HD 6570 (OEM) 2GB vs Radeon R7 240

Intro

The Radeon HD 6570 (OEM) 2GB comes with a GPU core clock speed of 650 MHz, and the 1024 MB of GDDR5 memory is set to run at 1000 MHz through a 128-bit bus. It also is comprised of 480 SPUs, 24 Texture Address Units, and 8 Raster Operation Units.

Compare those specs to the Radeon R7 240, which features a core clock speed of 730 MHz and a DDR3 memory speed of 900 MHz. It also makes use of a 128-bit bus, and uses a 28 nm design. It features 320 SPUs, 20 TAUs, and 8 ROPs.

(No game benchmarks for this combination yet.)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 240 30 Watts
Radeon HD 6570 (OEM) 2GB 50 Watts
Difference: 20 Watts (67%)

Memory Bandwidth

In theory, the Radeon HD 6570 (OEM) 2GB should perform quite a bit faster than the Radeon R7 240 in general. (explain)

Radeon HD 6570 (OEM) 2GB 64000 MB/sec
Radeon R7 240 28800 MB/sec
Difference: 35200 (122%)

Texel Rate

The Radeon HD 6570 (OEM) 2GB should be just a bit (approximately 7%) faster with regards to anisotropic filtering than the Radeon R7 240. (explain)

Radeon HD 6570 (OEM) 2GB 15600 Mtexels/sec
Radeon R7 240 14600 Mtexels/sec
Difference: 1000 (7%)

Pixel Rate

The Radeon R7 240 will be just a bit (about 12%) faster with regards to full screen anti-aliasing than the Radeon HD 6570 (OEM) 2GB, and will be capable of handling higher resolutions while still performing well. (explain)

Radeon R7 240 5840 Mpixels/sec
Radeon HD 6570 (OEM) 2GB 5200 Mpixels/sec
Difference: 640 (12%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

Radeon HD 6570 (OEM) 2GB

Amazon.com

Radeon R7 240

Amazon.com

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

Model Radeon HD 6570 (OEM) 2GB Radeon R7 240
Manufacturer AMD AMD
Year February 2011 October 2013
Code Name Turks Oland PRO
Fab Process 40 nm 28 nm
Bus PCIe 2.1 x16 PCIe 3.0 x16
Memory 1024 MB 2048 MB
Core Speed 650 MHz 730 MHz
Shader Speed N/A MHz (N/A) MHz
Memory Speed 1000 MHz (4000 MHz effective) 900 MHz (1800 MHz effective)
Unified Shaders 480 320
Texture Mapping Units 24 20
Render Output Units 8 8
Bus Type GDDR5 DDR3
Bus Width 128-bit 128-bit
DirectX Version DirectX 11 DirectX 11.2
OpenGL Version OpenGL 4.1 OpenGL 4.3
Power (Max TDP) 50 watts 30 watts
Shader Model 5.0 5.0
Bandwidth 64000 MB/sec 28800 MB/sec
Texel Rate 15600 Mtexels/sec 14600 Mtexels/sec
Pixel Rate 5200 Mpixels/sec 5840 Mpixels/sec

Memory Bandwidth: Bandwidth is the maximum amount of information (measured in MB per second) that can be transported over the external memory interface within a second. The number is calculated by multiplying the bus width by the speed of its memory. In the case of DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per second. This number is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

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