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Radeon HD 3850 256MB vs Radeon R9 M370X

Intro

The Radeon HD 3850 256MB uses a 55 nm design. AMD has set the core frequency at 668 MHz. The GDDR3 memory works at a frequency of 828 MHz on this model. It features 320(64x5) SPUs as well as 16 Texture Address Units and 16 ROPs.

Compare those specifications to the Radeon R9 M370X, which features core speeds of 800 MHz on the GPU, and 1125 MHz on the 2048 MB of GDDR5 RAM. It features 640 SPUs along with 40 TAUs and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

As far as performance goes, the Radeon R9 M370X should in theory be a lot superior to the Radeon HD 3850 256MB in general. (explain)

Radeon R9 M370X 72000 MB/sec
Radeon HD 3850 256MB 52992 MB/sec
Difference: 19008 (36%)

Texel Rate

The Radeon R9 M370X should be quite a bit (approximately 199%) better at AF than the Radeon HD 3850 256MB. (explain)

Radeon R9 M370X 32000 Mtexels/sec
Radeon HD 3850 256MB 10688 Mtexels/sec
Difference: 21312 (199%)

Pixel Rate

The Radeon R9 M370X will be a little bit (approximately 20%) faster with regards to FSAA than the Radeon HD 3850 256MB, and also will be capable of handling higher screen resolutions more effectively. (explain)

Radeon R9 M370X 12800 Mpixels/sec
Radeon HD 3850 256MB 10688 Mpixels/sec
Difference: 2112 (20%)

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 3850 256MB

Amazon.com

Check prices at:

Radeon R9 M370X

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

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Model Radeon HD 3850 256MB Radeon R9 M370X
Manufacturer AMD AMD
Year Nov 19, 2007 2015
Code Name RV670 PRO Cape Verde
Memory 256 MB 2048 MB
Core Speed 668 MHz 800 MHz
Memory Speed 1656 MHz 4500 MHz
Power (Max TDP) 75 watts (Unknown) watts
Bandwidth 52992 MB/sec 72000 MB/sec
Texel Rate 10688 Mtexels/sec 32000 Mtexels/sec
Pixel Rate 10688 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 320(64x5) 640
Texture Mapping Units 16 40
Render Output Units 16 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 55 nm 28 nm
Transistors (Unknown) million (Unknown) million
Bus PCIe 2.0 x16/AGP 8x PCIe 3.0 x16
DirectX Version DirectX 10.1 DirectX 12
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Bandwidth is the largest amount of information (in units of MB per second) that can be moved over the external memory interface in a second. It is worked out by multiplying the card's bus width by the speed of its memory. If it uses DDR type memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This is worked out by multiplying the total number of texture units by the core speed of the chip. The better the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 3850 256MB

Amazon.com

Check prices at:

Radeon R9 M370X

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.

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