Submit Benchmarks!

Submit SSD Benchmark
Submit GPU Benchmark

Compare any two graphics cards:
VS

Radeon HD 3690/3830 vs Radeon R5 M255

Intro

The Radeon HD 3690/3830 makes use of a 55 nm design. AMD has clocked the core speed at 668 MHz. The GDDR3 RAM runs at a speed of 828 MHz on this specific card. It features 320(64x5) SPUs as well as 16 Texture Address Units and 16 ROPs.

Compare those specifications to the Radeon R5 M255, which has core speeds of 940 MHz on the GPU, and 1000 MHz on the 2048 MB of DDR3 memory. It features 320 SPUs as well as 20 Texture Address Units and 8 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically, the Radeon HD 3690/3830 should be much faster than the Radeon R5 M255 in general. (explain)

Radeon HD 3690/3830 26496 MB/sec
Radeon R5 M255 16000 MB/sec
Difference: 10496 (66%)

Texel Rate

The Radeon R5 M255 is a lot (about 76%) more effective at texture filtering than the Radeon HD 3690/3830. (explain)

Radeon R5 M255 18800 Mtexels/sec
Radeon HD 3690/3830 10688 Mtexels/sec
Difference: 8112 (76%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon HD 3690/3830 is a better choice, by far. (explain)

Radeon HD 3690/3830 10688 Mpixels/sec
Radeon R5 M255 7520 Mpixels/sec
Difference: 3168 (42%)

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

Display Prices

Hide Prices

Radeon HD 3690/3830

Amazon.com

Check prices at:

Radeon R5 M255

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

Display Specifications

Hide Specifications

Model Radeon HD 3690/3830 Radeon R5 M255
Manufacturer AMD AMD
Year 2008 June 2014
Code Name RV670 PRO Jet Pro
Memory 256 MB 2048 MB
Core Speed 668 MHz 940 MHz
Memory Speed 1656 MHz 2000 MHz
Power (Max TDP) 75 watts (Unknown) watts
Bandwidth 26496 MB/sec 16000 MB/sec
Texel Rate 10688 Mtexels/sec 18800 Mtexels/sec
Pixel Rate 10688 Mpixels/sec 7520 Mpixels/sec
Unified Shaders 320(64x5) 320
Texture Mapping Units 16 20
Render Output Units 16 8
Bus Type GDDR3 DDR3
Bus Width 128-bit 64-bit
Fab Process 55 nm 28 nm
Transistors (Unknown) million (Unknown) million
Bus PCIe 2.0 x16 PCIe 3.0 x8
DirectX Version DirectX 10.1 DirectX 11.2
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the largest amount of information (measured in MB per second) that can be transferred over the external memory interface within a second. It's worked out by multiplying the interface width by its memory speed. In the case of DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. 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 number of texture map elements (texels) that can be applied per second. This figure is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The better 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 most pixels that the graphics card could possibly write to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the the core 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 rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

Radeon HD 3690/3830

Amazon.com

Check prices at:

Radeon R5 M255

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

Be the first to leave a comment!

Your email address will not be published. Required fields are marked *


*

WordPress Anti-Spam by WP-SpamShield