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GeForce GTS 250 1GB vs Radeon HD 6670 (OEM) 1GB

Intro

The GeForce GTS 250 1GB has core speeds of 738 MHz on the GPU, and 1100 MHz on the 1024 MB of GDDR3 RAM. It features 128 SPUs along with 64 TAUs and 16 Rasterization Operator Units.

Compare all of that to the Radeon HD 6670 (OEM) 1GB, which features GPU core speed of 800 MHz, and 1024 MB of GDDR5 RAM set to run at 1000 MHz through a 128-bit bus. It also is comprised of 480 SPUs, 24 TAUs, and 8 ROPs.

Display Graphs

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(No game benchmarks for this combination yet.)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6670 (OEM) 1GB 63 Watts
GeForce GTS 250 1GB 145 Watts
Difference: 82 Watts (130%)

Memory Bandwidth

The GeForce GTS 250 1GB should theoretically perform a bit faster than the Radeon HD 6670 (OEM) 1GB overall. (explain)

GeForce GTS 250 1GB 70400 MB/sec
Radeon HD 6670 (OEM) 1GB 64000 MB/sec
Difference: 6400 (10%)

Texel Rate

The GeForce GTS 250 1GB will be quite a bit (more or less 146%) more effective at texture filtering than the Radeon HD 6670 (OEM) 1GB. (explain)

GeForce GTS 250 1GB 47232 Mtexels/sec
Radeon HD 6670 (OEM) 1GB 19200 Mtexels/sec
Difference: 28032 (146%)

Pixel Rate

The GeForce GTS 250 1GB will be much (about 85%) more effective at AA than the Radeon HD 6670 (OEM) 1GB, and also able to handle higher screen resolutions more effectively. (explain)

GeForce GTS 250 1GB 11808 Mpixels/sec
Radeon HD 6670 (OEM) 1GB 6400 Mpixels/sec
Difference: 5408 (85%)

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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GeForce GTS 250 1GB

Amazon.com

Radeon HD 6670 (OEM) 1GB

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

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Model GeForce GTS 250 1GB Radeon HD 6670 (OEM) 1GB
Manufacturer nVidia AMD
Year March 3, 2009 February 2011
Code Name G92a/b Turks
Fab Process 65/55 nm 40 nm
Bus PCIe x16 2.0 PCIe 2.1 x16
Memory 1024 MB 1024 MB
Core Speed 738 MHz 800 MHz
Shader Speed 1836 MHz (N/A) MHz
Memory Speed 1100 MHz (2200 MHz effective) 1000 MHz (4000 MHz effective)
Unified Shaders 128 480
Texture Mapping Units 64 24
Render Output Units 16 8
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 4.1
Power (Max TDP) 145 watts 63 watts
Shader Model 4.0 5.0
Bandwidth 70400 MB/sec 64000 MB/sec
Texel Rate 47232 Mtexels/sec 19200 Mtexels/sec
Pixel Rate 11808 Mpixels/sec 6400 Mpixels/sec

Memory Bandwidth: Bandwidth is the maximum amount of data (measured in megabytes per second) that can be transported over the external memory interface in one second. It is worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR RAM, the result should 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 anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied in one second. This number is calculated by multiplying the total amount of texture units of the card by the core clock 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 in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Comments

2 Responses to “GeForce GTS 250 1GB vs Radeon HD 6670 (OEM) 1GB”
[...] one thing, it's has Antec 550W PSU better HDD, it's a seagate better VC here's the comparison : GeForce GTS 250 1GB vs Radeon HD 6670 (OEM) 1GB – Performance Comparison Benchmarks @ Hardware... and the VC looks llike this : and very nice casing that looks like this : [...]

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