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Radeon HD 7750 vs Radeon R7 250

Intro

The Radeon HD 7750 comes with a GPU clock speed of 800 MHz, and the 1024 MB of GDDR5 RAM runs at 1125 MHz through a 128-bit bus. It also features 512 SPUs, 32 TAUs, and 16 Raster Operation Units.

Compare all that to the Radeon R7 250, which has clock speeds of 1000 MHz on the GPU, and 1150 MHz on the 1024 MB of GDDR5 memory. It features 384 SPUs as well as 24 Texture Address Units and 8 ROPs.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon HD 7750 2240 points
Radeon R7 250 1836 points
Difference: 404 (22%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7750 55 Watts
Radeon R7 250 65 Watts
Difference: 10 Watts (18%)

Memory Bandwidth

As far as performance goes, the Radeon R7 250 should in theory be a little bit better than the Radeon HD 7750 overall. (explain)

Radeon R7 250 73600 MB/sec
Radeon HD 7750 72000 MB/sec
Difference: 1600 (2%)

Texel Rate

The Radeon HD 7750 is a bit (approximately 7%) more effective at AF than the Radeon R7 250. (explain)

Radeon HD 7750 25600 Mtexels/sec
Radeon R7 250 24000 Mtexels/sec
Difference: 1600 (7%)

Pixel Rate

The Radeon HD 7750 should be quite a bit (more or less 60%) more effective at FSAA than the Radeon R7 250, and also capable of handling higher resolutions more effectively. (explain)

Radeon HD 7750 12800 Mpixels/sec
Radeon R7 250 8000 Mpixels/sec
Difference: 4800 (60%)

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 7750

Amazon.com

Radeon R7 250

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 Radeon HD 7750 Radeon R7 250
Manufacturer AMD AMD
Year February 2012 October 2013
Code Name Cape Verde Pro Oland XT
Memory 1024 MB 1024 MB
Core Speed 800 MHz 1000 MHz
Memory Speed 4500 MHz 4600 MHz
Power (Max TDP) 55 watts 65 watts
Bandwidth 72000 MB/sec 73600 MB/sec
Texel Rate 25600 Mtexels/sec 24000 Mtexels/sec
Pixel Rate 12800 Mpixels/sec 8000 Mpixels/sec
Unified Shaders 512 384
Texture Mapping Units 32 24
Render Output Units 16 8
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 28 nm
Transistors 1500 million 1040 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.1 DirectX 11.2
OpenGL Version OpenGL 4.2 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the max amount of information (in units of MB per second) that can be transported across the external memory interface within a second. It's worked out by multiplying the card's bus width by its memory clock speed. In the case of DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed per second. This is worked out by multiplying the total amount of texture units by the core 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 most pixels that the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

Radeon HD 7750

Amazon.com

Radeon R7 250

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.

Comments

3 Responses to “Radeon HD 7750 vs Radeon R7 250”
G Hanson says:

R7 250 sucks. 7750 wins.....

harry says:

hd 7750 is best gpu in under 10 k

and its really souport dx 11.1

and gives u ultimate 30-45 fps on all letest games with on screen 3d view and

all of us vicely know
amd gameing view is much better than nvidia

Tom says:

R7 250 used to play dx12 games. And better bandwidth. Easily Play next gem games in medium settings. I think R7 250 is a step ahead for the future vision.

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