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


Intro

The Radeon HD 6570 (OEM) 2GB uses a 40 nm design. AMD has clocked the core speed at 650 MHz. The GDDR5 RAM is set to run at a speed of 1000 MHz on this particular model. It features 480 SPUs along with 24 Texture Address Units and 8 ROPs.

Compare those specifications to the Radeon R7 240, which comes with a core clock frequency of 730 MHz and a DDR3 memory frequency of 900 MHz. It also features a 128-bit bus, and makes use of a 28 nm design. It is comprised of 320 SPUs, 20 Texture Address Units, and 8 ROPs.

Display Graphs

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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

Performance-wise, the Radeon HD 6570 (OEM) 2GB should in theory be quite a bit superior to the Radeon R7 240 overall. (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 a bit (approximately 7%) better at AF 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

If using high levels of AA is important to you, then the Radeon R7 240 is the winner, but it probably won't make a huge difference. (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

Radeon R7 240

Specifications

Display Specifications

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Model Radeon HD 6570 (OEM) 2GB Radeon R7 240
Manufacturer AMD AMD
Year February 2011 October 2013
Code Name Turks Oland PRO
Memory 1024 MB 2048 MB
Core Speed 650 MHz 730 MHz
Memory Speed 4000 MHz 1800 MHz
Power (Max TDP) 50 watts 30 watts
Bandwidth 64000 MB/sec 28800 MB/sec
Texel Rate 15600 Mtexels/sec 14600 Mtexels/sec
Pixel Rate 5200 Mpixels/sec 5840 Mpixels/sec
Unified Shaders 480 320
Texture Mapping Units 24 20
Render Output Units 8 8
Bus Type GDDR5 DDR3
Bus Width 128-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 715 million 1040 million
Bus PCIe 2.1 x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.2
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in megabytes per second) that can be moved over the external memory interface within a second. It's calculated by multiplying the interface width by the speed of its memory. If it uses DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Radeon HD 6570 (OEM) 2GB

Radeon R7 240

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