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GeForce GTS 250 1GB vs Radeon HD 5670

Intro

The GeForce GTS 250 1GB makes use of a 65/55 nm design. nVidia has clocked the core speed at 738 MHz. The GDDR3 RAM is set to run at a frequency of 1100 MHz on this model. It features 128 SPUs as well as 64 TAUs and 16 Rasterization Operator Units.

Compare those specifications to the Radeon HD 5670, which comes with a core clock frequency of 775 MHz and a GDDR5 memory frequency of 1000 MHz. It also uses a 128-bit bus, and makes use of a 40 nm design. It features 400(80x5) SPUs, 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, the GeForce GTS 250 1GB should be a small 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 is quite a bit (about 205%) faster with regards to AF 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 lots of anti-aliasing is important to you, then the GeForce GTS 250 1GB is superior to the Radeon HD 5670, by far. (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 largest amount of information (counted in megabytes per second) that can be transported past the external memory interface in a second. It's calculated by multiplying the interface width by the speed of its memory. In the case of DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This figure is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The higher the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs by the clock 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 rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

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