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GeForce GT 440 1.5GB vs Radeon HD 4850 1GB

Intro

The GeForce GT 440 1.5GB comes with a GPU core speed of 594 MHz, and the 1536 MB of GDDR3 RAM runs at 900 MHz through a 192-bit bus. It also is comprised of 144 SPUs, 24 TAUs, and 24 ROPs.

Compare those specifications to the Radeon HD 4850 1GB, which features a clock frequency of 625 MHz and a GDDR4 memory frequency of 993 MHz. It also uses a 256-bit memory bus, and makes use of a 55 nm design. It is comprised of 800(160x5) SPUs, 40 TAUs, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 440 1.5GB 56 Watts
Radeon HD 4850 1GB 110 Watts
Difference: 54 Watts (96%)

Memory Bandwidth

The Radeon HD 4850 1GB should in theory perform a lot faster than the GeForce GT 440 1.5GB overall. (explain)

Radeon HD 4850 1GB 63552 MB/sec
GeForce GT 440 1.5GB 43200 MB/sec
Difference: 20352 (47%)

Texel Rate

The Radeon HD 4850 1GB will be a lot (more or less 75%) better at anisotropic filtering than the GeForce GT 440 1.5GB. (explain)

Radeon HD 4850 1GB 25000 Mtexels/sec
GeForce GT 440 1.5GB 14256 Mtexels/sec
Difference: 10744 (75%)

Pixel Rate

The GeForce GT 440 1.5GB is much (approximately 43%) more effective at FSAA than the Radeon HD 4850 1GB, and also should be able to handle higher resolutions without slowing down too much. (explain)

GeForce GT 440 1.5GB 14256 Mpixels/sec
Radeon HD 4850 1GB 10000 Mpixels/sec
Difference: 4256 (43%)

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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GeForce GT 440 1.5GB

Amazon.com

Check prices at:

Radeon HD 4850 1GB

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 GeForce GT 440 1.5GB Radeon HD 4850 1GB
Manufacturer nVidia AMD
Year October 2010 Jun 25, 2008
Code Name GF106 RV770 PRO
Memory 1536 MB 1024 MB
Core Speed 594 MHz 625 MHz
Memory Speed 1800 MHz 1986 MHz
Power (Max TDP) 56 watts 110 watts
Bandwidth 43200 MB/sec 63552 MB/sec
Texel Rate 14256 Mtexels/sec 25000 Mtexels/sec
Pixel Rate 14256 Mpixels/sec 10000 Mpixels/sec
Unified Shaders 144 800(160x5)
Texture Mapping Units 24 40
Render Output Units 24 16
Bus Type GDDR3 GDDR4
Bus Width 192-bit 256-bit
Fab Process 40 nm 55 nm
Transistors 1170 million 956 million
Bus PCIe x16 PCIe 2.0 x16
DirectX Version DirectX 11 DirectX 10.1
OpenGL Version OpenGL 4.1 OpenGL 3.0

Memory Bandwidth: Memory bandwidth is the largest amount of data (measured in MB per second) that can be transported past the external memory interface within a second. The number is worked out by multiplying the interface width by its memory clock speed. If the card has DDR type memory, the result should be multiplied by 2 once 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 processed per second. This is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The higher the texel rate, the better the graphics 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 amount of pixels that the graphics chip can possibly record to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends 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

GeForce GT 440 1.5GB

Amazon.com

Check prices at:

Radeon HD 4850 1GB

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

One Response to “GeForce GT 440 1.5GB vs Radeon HD 4850 1GB”
Vand Placa video Gigabyte HD4850 Zalman edition - Console Games Forum says:

[...] ce performante are GT440 si apoi uitate la performantele lui HD4850. ia de citeste bai labis: GeForce GT 440 1.5GB vs Radeon HD 4850 1GB – Performance Comparison Benchmarks @ Hardware Comp... ia si de aici ASUS GeForce GT 440 1 GB Review - Page 21/30 | techPowerUp restul iti dau separat [...]

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