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Radeon HD 4670 512MB vs Radeon HD 5570

Intro

The Radeon HD 4670 512MB comes with a core clock speed of 750 MHz and a GDDR4/GDDR3/DDR3/DDR2 memory frequency of 1000 MHz. It also makes use of a 128-bit memory bus, and makes use of a 55 nm design. It is comprised of 320(64x5) SPUs, 32 TAUs, and 8 ROPs.

Compare those specs to the Radeon HD 5570, which features clock speeds of 650 MHz on the GPU, and 900 MHz on the 512 MB of DDR3 RAM. It features 400(80x5) SPUs as well as 20 TAUs and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5570 43 Watts
Radeon HD 4670 512MB 70 Watts
Difference: 27 Watts (63%)

Memory Bandwidth

In theory, the Radeon HD 4670 512MB should be a bit faster than the Radeon HD 5570 overall. (explain)

Radeon HD 4670 512MB 32000 MB/sec
Radeon HD 5570 28800 MB/sec
Difference: 3200 (11%)

Texel Rate

The Radeon HD 4670 512MB is a lot (approximately 85%) more effective at AF than the Radeon HD 5570. (explain)

Radeon HD 4670 512MB 24000 Mtexels/sec
Radeon HD 5570 13000 Mtexels/sec
Difference: 11000 (85%)

Pixel Rate

If using a high resolution is important to you, then the Radeon HD 4670 512MB is a better choice, though only just barely. (explain)

Radeon HD 4670 512MB 6000 Mpixels/sec
Radeon HD 5570 5200 Mpixels/sec
Difference: 800 (15%)

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 4670 512MB

Amazon.com

Check prices at:

Radeon HD 5570

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 4670 512MB Radeon HD 5570
Manufacturer AMD AMD
Year Sep 10, 2008 February 9, 2010
Code Name RV730 XT Redwood PRO
Memory 512 MB 512 MB
Core Speed 750 MHz 650 MHz
Memory Speed 2000 MHz 1800 MHz
Power (Max TDP) 70 watts 43 watts
Bandwidth 32000 MB/sec 28800 MB/sec
Texel Rate 24000 Mtexels/sec 13000 Mtexels/sec
Pixel Rate 6000 Mpixels/sec 5200 Mpixels/sec
Unified Shaders 320(64x5) 400(80x5)
Texture Mapping Units 32 20
Render Output Units 8 8
Bus Type GDDR4/GDDR3/DDR3/DDR2 DDR3
Bus Width 128-bit 128-bit
Fab Process 55 nm 40 nm
Transistors 514 million 627 million
Bus PCIe 2.0 x16, AGP 8x PCIe 2.1 x16
DirectX Version DirectX 10.1 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 3.2

Memory Bandwidth: Memory bandwidth is the max amount of data (in units of megabytes per second) that can be transported across the external memory interface in one second. The number is worked out by multiplying the card's interface width by the speed of its memory. In the case of DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

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

Display Prices

Hide Prices

Radeon HD 4670 512MB

Amazon.com

Check prices at:

Radeon HD 5570

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.

Comments

3 Responses to “Radeon HD 4670 512MB vs Radeon HD 5570”
Karta graficzna do 150PLN - Overclocking Forum - OCForum.pl says:

[...] [...]

Ati asus HD 4670 mi ? 5570 mi ? says:

[...] [...]

me says:

apep itu saya
">sya hanya tester

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