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Radeon HD 4850 X2 1GB vs Radeon R7 360

Intro

The Radeon HD 4850 X2 1GB uses a 55 nm design. AMD has clocked the core frequency at 625 MHz. The GDDR3 RAM runs at a frequency of 993 MHz on this card. It features 800(160x5) SPUs as well as 40 Texture Address Units and 16 Rasterization Operator Units.

Compare those specifications to the Radeon R7 360, which features a GPU core clock speed of 1050 MHz, and 2048 MB of GDDR5 RAM set to run at 1625 MHz through a 128-bit bus. It also features 768 Stream Processors, 48 TAUs, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 360 100 Watts
Radeon HD 4850 X2 1GB 250 Watts
Difference: 150 Watts (150%)

Memory Bandwidth

In theory, the Radeon HD 4850 X2 1GB should perform a lot faster than the Radeon R7 360 overall. (explain)

Radeon HD 4850 X2 1GB 127104 MB/sec
Radeon R7 360 104000 MB/sec
Difference: 23104 (22%)

Texel Rate

The Radeon R7 360 should be a bit (about 1%) more effective at texture filtering than the Radeon HD 4850 X2 1GB. (explain)

Radeon R7 360 50400 Mtexels/sec
Radeon HD 4850 X2 1GB 50000 Mtexels/sec
Difference: 400 (1%)

Pixel Rate

The Radeon HD 4850 X2 1GB is a little bit (more or less 19%) better at AA than the Radeon R7 360, and will be able to handle higher screen resolutions while still performing well. (explain)

Radeon HD 4850 X2 1GB 20000 Mpixels/sec
Radeon R7 360 16800 Mpixels/sec
Difference: 3200 (19%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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Radeon HD 4850 X2 1GB

Amazon.com

Check prices at:

Radeon R7 360

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 4850 X2 1GB Radeon R7 360
Manufacturer AMD AMD
Year Nov 7, 2008 June 2015
Code Name R700 Tobago
Memory 1024 MB (x2) 2048 MB
Core Speed 625 MHz (x2) 1050 MHz
Memory Speed 1986 MHz (x2) 6500 MHz
Power (Max TDP) 250 watts 100 watts
Bandwidth 127104 MB/sec 104000 MB/sec
Texel Rate 50000 Mtexels/sec 50400 Mtexels/sec
Pixel Rate 20000 Mpixels/sec 16800 Mpixels/sec
Unified Shaders 800(160x5) (x2) 768
Texture Mapping Units 40 (x2) 48
Render Output Units 16 (x2) 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit (x2) 128-bit
Fab Process 55 nm 28 nm
Transistors 956 million 2080 million
Bus PCIe 2.0 x16 (PCIe bridge) PCIe 3.0 ×16
DirectX Version DirectX 10.1 DirectX 12.0
OpenGL Version OpenGL 3.0 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the largest amount of data (in units of megabytes per second) that can be transferred past the external memory interface within a second. It is calculated by multiplying the card's interface width by its memory clock speed. If the card has DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 4850 X2 1GB

Amazon.com

Check prices at:

Radeon R7 360

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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