Submit Benchmarks!

Submit SSD Benchmark
Submit GPU Benchmark

Compare any two graphics cards:
VS

Radeon HD 4850 X2 512MB vs Radeon R9 M270X

Intro

The Radeon HD 4850 X2 512MB uses a 55 nm design. AMD has clocked the core frequency at 625 MHz. The GDDR3 memory runs at a frequency of 993 MHz on this card. It features 800(160x5) SPUs along with 40 TAUs and 16 ROPs.

Compare all that to the Radeon R9 M270X, which makes use of a 28 nm design. AMD has set the core frequency at 725 MHz. The GDDR5 RAM works at a frequency of 1125 MHz on this card. It features 640 SPUs as well as 40 Texture Address Units and 16 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the Radeon HD 4850 X2 512MB should be 77% faster than the Radeon R9 M270X overall, due to its greater bandwidth. (explain)

Radeon HD 4850 X2 512MB 127104 MB/sec
Radeon R9 M270X 72000 MB/sec
Difference: 55104 (77%)

Texel Rate

The Radeon HD 4850 X2 512MB should be much (approximately 72%) better at AF than the Radeon R9 M270X. (explain)

Radeon HD 4850 X2 512MB 50000 Mtexels/sec
Radeon R9 M270X 29000 Mtexels/sec
Difference: 21000 (72%)

Pixel Rate

The Radeon HD 4850 X2 512MB is much (approximately 72%) better at anti-aliasing than the Radeon R9 M270X, and will be able to handle higher resolutions more effectively. (explain)

Radeon HD 4850 X2 512MB 20000 Mpixels/sec
Radeon R9 M270X 11600 Mpixels/sec
Difference: 8400 (72%)

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

Display Prices

Hide Prices

Radeon HD 4850 X2 512MB

Amazon.com

Check prices at:

Radeon R9 M270X

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 4850 X2 512MB Radeon R9 M270X
Manufacturer AMD AMD
Year Nov 7, 2008 May 1 2014
Code Name R700 Venus XT
Memory 512 MB (x2) 2048 MB
Core Speed 625 MHz (x2) 725 MHz
Memory Speed 1986 MHz (x2) 4500 MHz
Power (Max TDP) 250 watts (Unknown) watts
Bandwidth 127104 MB/sec 72000 MB/sec
Texel Rate 50000 Mtexels/sec 29000 Mtexels/sec
Pixel Rate 20000 Mpixels/sec 11600 Mpixels/sec
Unified Shaders 800(160x5) (x2) 640
Texture Mapping Units 40 (x2) 40
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 (Unknown) million
Bus PCIe 2.0 x16 (PCIe bridge) PCIe 3.0 x16
DirectX Version DirectX 10.1 DirectX 11.2
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the max amount of data (counted in MB per second) that can be transported across the external memory interface within a second. The number is worked out by multiplying the bus width by the speed of its memory. If it uses DDR RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card could possibly record to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 4850 X2 512MB

Amazon.com

Check prices at:

Radeon R9 M270X

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