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Radeon HD 4670 1GB vs Radeon HD 6570 (OEM) 1GB

Intro

The Radeon HD 4670 1GB comes with clock speeds of 750 MHz on the GPU, and 1100 MHz on the 1024 MB of GDDR4/GDDR3/DDR3/DDR2 RAM. It features 320(64x5) SPUs as well as 32 TAUs and 8 ROPs.

Compare those specifications to the Radeon HD 6570 (OEM) 1GB, which features core clock speeds of 650 MHz on the GPU, and 900 MHz on the 1024 MB of GDDR3 RAM. It features 480 SPUs along with 24 TAUs and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6570 (OEM) 1GB 50 Watts
Radeon HD 4670 1GB 70 Watts
Difference: 20 Watts (40%)

Memory Bandwidth

The Radeon HD 4670 1GB should theoretically be a lot faster than the Radeon HD 6570 (OEM) 1GB in general. (explain)

Radeon HD 4670 1GB 35200 MB/sec
Radeon HD 6570 (OEM) 1GB 28800 MB/sec
Difference: 6400 (22%)

Texel Rate

The Radeon HD 4670 1GB should be much (more or less 54%) faster with regards to AF than the Radeon HD 6570 (OEM) 1GB. (explain)

Radeon HD 4670 1GB 24000 Mtexels/sec
Radeon HD 6570 (OEM) 1GB 15600 Mtexels/sec
Difference: 8400 (54%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon HD 4670 1GB is a better choice, though only just barely. (explain)

Radeon HD 4670 1GB 6000 Mpixels/sec
Radeon HD 6570 (OEM) 1GB 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 1GB

Amazon.com

Check prices at:

Radeon HD 6570 (OEM) 1GB

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 1GB Radeon HD 6570 (OEM) 1GB
Manufacturer AMD AMD
Year Sep 10, 2008 February 2011
Code Name RV730 XT Turks
Memory 1024 MB 1024 MB
Core Speed 750 MHz 650 MHz
Memory Speed 2200 MHz 1800 MHz
Power (Max TDP) 70 watts 50 watts
Bandwidth 35200 MB/sec 28800 MB/sec
Texel Rate 24000 Mtexels/sec 15600 Mtexels/sec
Pixel Rate 6000 Mpixels/sec 5200 Mpixels/sec
Unified Shaders 320(64x5) 480
Texture Mapping Units 32 24
Render Output Units 8 8
Bus Type GDDR4/GDDR3/DDR3/DDR2 GDDR3
Bus Width 128-bit 128-bit
Fab Process 55 nm 40 nm
Transistors 514 million 715 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 4.1

Memory Bandwidth: Bandwidth is the largest amount of information (in units of MB per second) that can be moved over the external memory interface in a second. It is worked out by multiplying the interface width by its memory speed. If the card has DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are 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 higher the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

Radeon HD 4670 1GB

Amazon.com

Check prices at:

Radeon HD 6570 (OEM) 1GB

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

One Response to “Radeon HD 4670 1GB vs Radeon HD 6570 (OEM) 1GB”
ATI Vcard selection - iSTORYA.NET says:

[...] sa 6570 which is direct x11... pero performace wise, mas choyan ko sa 4670 check this link: Radeon HD 4670 1GB vs Radeon HD 6570 (OEM) 1GB – Performance Comparison Benchmarks @ Hardware ... ====> kng pra nimo asa ang mas maau, den pdayon lng hehehehe... sayang wla nimo naabtan ang [...]

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