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GeForce GTX 650 vs Radeon R7 250

Intro

The GeForce GTX 650 has a clock frequency of 1058 MHz and a GDDR5 memory frequency of 1250 MHz. It also features a 128-bit memory bus, and makes use of a 28 nm design. It is made up of 384 SPUs, 32 TAUs, and 16 ROPs.

Compare those specs to the Radeon R7 250, which has a clock frequency of 1000 MHz and a GDDR5 memory speed of 1150 MHz. It also makes use of a 128-bit memory bus, and makes use of a 28 nm design. It is comprised of 384 SPUs, 24 Texture Address Units, and 8 ROPs.

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

GeForce GTX 650 2270 points
Radeon R7 250 1840 points
Difference: 430 (23%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 64 Watts
Radeon R7 250 65 Watts
Difference: 1 Watts (2%)

Memory Bandwidth

The GeForce GTX 650 should theoretically be a bit faster than the Radeon R7 250 overall. (explain)

GeForce GTX 650 80000 MB/sec
Radeon R7 250 73600 MB/sec
Difference: 6400 (9%)

Texel Rate

The GeForce GTX 650 should be quite a bit (approximately 41%) faster with regards to AF than the Radeon R7 250. (explain)

GeForce GTX 650 33856 Mtexels/sec
Radeon R7 250 24000 Mtexels/sec
Difference: 9856 (41%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 650 is a better choice, by a large margin. (explain)

GeForce GTX 650 16928 Mpixels/sec
Radeon R7 250 8000 Mpixels/sec
Difference: 8928 (112%)

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 GTX 650

Radeon R7 250

Specifications

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Model GeForce GTX 650 Radeon R7 250
Manufacturer nVidia AMD
Year September 2012 October 2013
Code Name GK107 Oland XT
Memory 1024 MB 1024 MB
Core Speed 1058 MHz 1000 MHz
Memory Speed 5000 MHz 4600 MHz
Power (Max TDP) 64 watts 65 watts
Bandwidth 80000 MB/sec 73600 MB/sec
Texel Rate 33856 Mtexels/sec 24000 Mtexels/sec
Pixel Rate 16928 Mpixels/sec 8000 Mpixels/sec
Unified Shaders 384 384
Texture Mapping Units 32 24
Render Output Units 16 8
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 28 nm
Transistors 1300 million 1040 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 11.2
OpenGL Version OpenGL 4.3 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of information (measured in MB per second) that can be transferred over 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 type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This figure is calculated 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 handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of ROPs 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 output rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

GeForce GTX 650

Radeon R7 250

Comments

2 Responses to “GeForce GTX 650 vs Radeon R7 250”
gamer says:

GTX 650 = R7 250 (fps)

king says:

r u mad GTX 650 is 40 times better than fucking r250

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