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GeForce GTS 250 1GB vs Radeon HD 5670

Intro

The GeForce GTS 250 1GB comes with a clock speed of 738 MHz and a GDDR3 memory frequency of 1100 MHz. It also makes use of a 256-bit memory bus, and makes use of a 65/55 nm design. It is comprised of 128 SPUs, 64 Texture Address Units, and 16 ROPs.

Compare those specs to the Radeon HD 5670, which makes use of a 40 nm design. AMD has clocked the core frequency at 775 MHz. The GDDR5 RAM is set to run at a speed of 1000 MHz on this particular model. It features 400(80x5) SPUs along with 20 TAUs and 8 ROPs.

Avatar

Settings: Ultra High Quality
AA: 8x
AF: none
Resolution: 1920x1200
Test Machine: Tom's Hardware Test Machine (Source)
GeForce GTS 250 1GB 31 FPS
Radeon HD 5670 25 FPS
Difference: 6 FPS (24%)

Battlefield Bad Company 2

Settings: High Quality
AA: 4x
AF: 8x
Resolution: 1920x1200
Test Machine: Tom's Hardware Test Machine (Source)
GeForce GTS 250 1GB 25 FPS
Radeon HD 5670 19 FPS
Difference: 6 FPS (32%)

Left4Dead 2

Settings: Very High
AA: 8x
AF: 16x
Resolution: 1920x1200
Test Machine: Tom's Hardware Test Machine (Source)
GeForce GTS 250 1GB 58 FPS
Radeon HD 5670 49 FPS
Difference: 9 FPS (18%)

Mass Effect 2

Settings: Maximum Quality
AA: none
AF: 8x
Resolution: 1920x1200
Test Machine: Tom's Hardware Test Machine (Source)
GeForce GTS 250 1GB 70 FPS
Radeon HD 5670 57 FPS
Difference: 13 FPS (23%)

Supreme Commander 2

Settings: High
AA: 8x
AF: 16x
Resolution: 1920x1200
Test Machine: Tom's Hardware Test Machine (Source)
Radeon HD 5670 37 FPS
GeForce GTS 250 1GB 31 FPS
Difference: 6 FPS (19%)

GeForce GTS 250 1GB wins

(Based entirely on the benchmarks listed above)

When combining all game benchmark scores on this page together, the GeForce GTS 250 1GB wins overall, by 28 FPS. Please note that we do not have the results of every benchmark ever done for these cards, so the results may differ wildly in different games.

GeForce GTS 250 1GB 215 FPS
Radeon HD 5670 187 FPS
Difference: 28 FPS (15%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5670 61 Watts
GeForce GTS 250 1GB 145 Watts
Difference: 84 Watts (138%)

Memory Bandwidth

Theoretically speaking, the GeForce GTS 250 1GB should perform just a bit faster than the Radeon HD 5670 in general. (explain)

GeForce GTS 250 1GB 70400 MB/sec
Radeon HD 5670 64000 MB/sec
Difference: 6400 (10%)

Texel Rate

The GeForce GTS 250 1GB will be much (approximately 205%) more effective at anisotropic filtering than the Radeon HD 5670. (explain)

GeForce GTS 250 1GB 47232 Mtexels/sec
Radeon HD 5670 15500 Mtexels/sec
Difference: 31732 (205%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTS 250 1GB is superior to the Radeon HD 5670, and very much so. (explain)

GeForce GTS 250 1GB 11808 Mpixels/sec
Radeon HD 5670 6200 Mpixels/sec
Difference: 5608 (90%)

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

GeForce GTS 250 1GB

Amazon.com

Radeon HD 5670

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

Model GeForce GTS 250 1GB Radeon HD 5670
Manufacturer nVidia AMD
Year March 3, 2009 January 14, 2010
Code Name G92a/b Redwood XT
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 775 MHz
Shader Speed 1836 MHz (N/A) MHz
Memory Speed 1100 MHz (2200 MHz effective) 1000 MHz (4000 MHz effective)
Unified Shaders 128 400(80x5)
Texture Mapping Units 64 20
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 3.2
Power (Max TDP) 145 watts 61 watts
Shader Model 4.0 5.0
Bandwidth 70400 MB/sec 64000 MB/sec
Texel Rate 47232 Mtexels/sec 15500 Mtexels/sec
Pixel Rate 11808 Mpixels/sec 6200 Mpixels/sec

Memory Bandwidth: Bandwidth is the max amount of information (measured in megabytes per second) that can be transported across the external memory interface within a second. It's calculated by multiplying the card's bus width by its memory clock speed. In the case of DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, 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 processed per second. This is calculated by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly record to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the the core 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 rate also depends 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 maximum fill rate.

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