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Radeon HD 3470 256MB vs Radeon R7 240

Intro

The Radeon HD 3470 256MB features clock speeds of 800 MHz on the GPU, and 950 MHz on the 256 MB of DDR2 RAM. It features 40(8x5) SPUs as well as 4 TAUs and 4 Rasterization Operator Units.

Compare those specs to the Radeon R7 240, which features GPU clock speed of 730 MHz, and 2048 MB of DDR3 memory set to run at 900 MHz through a 128-bit bus. It also is comprised of 320 SPUs, 20 Texture Address Units, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the Radeon HD 3470 256MB will be 6% quicker than the Radeon R7 240 in general, due to its higher bandwidth. (explain)

Radeon HD 3470 256MB 30400 MB/sec
Radeon R7 240 28800 MB/sec
Difference: 1600 (6%)

Texel Rate

The Radeon R7 240 should be a lot (about 356%) faster with regards to texture filtering than the Radeon HD 3470 256MB. (explain)

Radeon R7 240 14600 Mtexels/sec
Radeon HD 3470 256MB 3200 Mtexels/sec
Difference: 11400 (356%)

Pixel Rate

The Radeon R7 240 is a lot (approximately 83%) more effective at anti-aliasing than the Radeon HD 3470 256MB, and should be able to handle higher resolutions better. (explain)

Radeon R7 240 5840 Mpixels/sec
Radeon HD 3470 256MB 3200 Mpixels/sec
Difference: 2640 (83%)

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

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Radeon HD 3470 256MB

Amazon.com

Check prices at:

Radeon R7 240

Amazon.com

Check prices at:

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

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Model Radeon HD 3470 256MB Radeon R7 240
Manufacturer AMD AMD
Year 2008 October 2013
Code Name RV620 PRO Oland PRO
Memory 256 MB 2048 MB
Core Speed 800 MHz 730 MHz
Memory Speed 1900 MHz 1800 MHz
Power (Max TDP) (Unknown) watts 30 watts
Bandwidth 30400 MB/sec 28800 MB/sec
Texel Rate 3200 Mtexels/sec 14600 Mtexels/sec
Pixel Rate 3200 Mpixels/sec 5840 Mpixels/sec
Unified Shaders 40(8x5) 320
Texture Mapping Units 4 20
Render Output Units 4 8
Bus Type DDR2 DDR3
Bus Width 128-bit 128-bit
Fab Process 55 nm 28 nm
Transistors (Unknown) million 1040 million
Bus PCIe 2.0 x16 PCIe 3.0 x16
DirectX Version DirectX 10.1 DirectX 11.2
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of information (measured in MB per second) that can be transported over the external memory interface in a second. The number is calculated by multiplying the interface width by the speed of its memory. If the card has DDR RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the 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 number of texture map elements (texels) that can be processed per second. This figure is worked out by multiplying the total number of texture units by the core speed of the chip. The higher the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly write to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

Radeon HD 3470 256MB

Amazon.com

Check prices at:

Radeon R7 240

Amazon.com

Check prices at:

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.

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