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GeForce GT 440 1.5GB vs Radeon HD 6670 (OEM)


Intro

The GeForce GT 440 1.5GB has clock speeds of 594 MHz on the GPU, and 900 MHz on the 1536 MB of GDDR3 memory. It features 144 SPUs along with 24 TAUs and 24 Rasterization Operator Units.

Compare those specifications to the Radeon HD 6670 (OEM), which uses a 40 nm design. AMD has set the core speed at 800 MHz. The GDDR5 RAM is set to run at a speed of 1000 MHz on this card. It features 480 SPUs as well as 24 TAUs and 8 Rasterization Operator Units.

Display Graphs

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon HD 6670 (OEM) 1120 points
GeForce GT 440 1.5GB 840 points
Difference: 280 (33%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 440 1.5GB 56 Watts
Radeon HD 6670 (OEM) 63 Watts
Difference: 7 Watts (13%)

Memory Bandwidth

Theoretically, the Radeon HD 6670 (OEM) should perform much faster than the GeForce GT 440 1.5GB overall. (explain)

Radeon HD 6670 (OEM) 64000 MB/sec
GeForce GT 440 1.5GB 43200 MB/sec
Difference: 20800 (48%)

Texel Rate

The Radeon HD 6670 (OEM) is quite a bit (about 35%) faster with regards to AF than the GeForce GT 440 1.5GB. (explain)

Radeon HD 6670 (OEM) 19200 Mtexels/sec
GeForce GT 440 1.5GB 14256 Mtexels/sec
Difference: 4944 (35%)

Pixel Rate

The GeForce GT 440 1.5GB is much (more or less 123%) faster with regards to FSAA than the Radeon HD 6670 (OEM), and also will be capable of handling higher resolutions while still performing well. (explain)

GeForce GT 440 1.5GB 14256 Mpixels/sec
Radeon HD 6670 (OEM) 6400 Mpixels/sec
Difference: 7856 (123%)

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

GeForce GT 440 1.5GB

Radeon HD 6670 (OEM)

Specifications

Display Specifications

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Model GeForce GT 440 1.5GB Radeon HD 6670 (OEM)
Manufacturer nVidia AMD
Year October 2010 February 2011
Code Name GF106 Turks
Memory 1536 MB 512 MB
Core Speed 594 MHz 800 MHz
Memory Speed 1800 MHz 4000 MHz
Power (Max TDP) 56 watts 63 watts
Bandwidth 43200 MB/sec 64000 MB/sec
Texel Rate 14256 Mtexels/sec 19200 Mtexels/sec
Pixel Rate 14256 Mpixels/sec 6400 Mpixels/sec
Unified Shaders 144 480
Texture Mapping Units 24 24
Render Output Units 24 8
Bus Type GDDR3 GDDR5
Bus Width 192-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 1170 million 715 million
Bus PCIe x16 PCIe 2.1 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the maximum amount of data (measured in MB per second) that can be moved across the external memory interface within a second. It's worked out by multiplying the interface width by its memory speed. If the card has DDR RAM, 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 AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This number is worked out by multiplying the total number of texture units by the core speed of the chip. The higher this number, the better the graphics 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 the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

GeForce GT 440 1.5GB

Radeon HD 6670 (OEM)

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