Submit Benchmarks!

Submit SSD Benchmark
Submit GPU Benchmark

Compare any two graphics cards:
VS

Radeon HD 7770 vs Radeon R7 250


Intro

The Radeon HD 7770 has core clock speeds of 1000 MHz on the GPU, and 1125 MHz on the 1024 MB of GDDR5 RAM. It features 640 SPUs along with 40 TAUs and 16 ROPs.

Compare all of that to the Radeon R7 250, which features a GPU core clock speed of 1000 MHz, and 1024 MB of GDDR5 RAM running at 1150 MHz through a 128-bit bus. It also is comprised of 384 SPUs, 24 TAUs, and 8 ROPs.

Display Graphs

Hide Graphs

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 7770 3180 points
Radeon R7 250 1840 points
Difference: 1340 (73%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 250 65 Watts
Radeon HD 7770 80 Watts
Difference: 15 Watts (23%)

Memory Bandwidth

As far as performance goes, the Radeon R7 250 should theoretically be a small bit superior to the Radeon HD 7770 in general. (explain)

Radeon R7 250 73600 MB/sec
Radeon HD 7770 72000 MB/sec
Difference: 1600 (2%)

Texel Rate

The Radeon HD 7770 should be a lot (approximately 67%) more effective at anisotropic filtering than the Radeon R7 250. (explain)

Radeon HD 7770 40000 Mtexels/sec
Radeon R7 250 24000 Mtexels/sec
Difference: 16000 (67%)

Pixel Rate

The Radeon HD 7770 will be a lot (about 100%) faster with regards to full screen anti-aliasing than the Radeon R7 250, and also able to handle higher screen resolutions without losing too much performance. (explain)

Radeon HD 7770 16000 Mpixels/sec
Radeon R7 250 8000 Mpixels/sec
Difference: 8000 (100%)

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

Display Prices

Hide Prices

Radeon HD 7770

Amazon.com

Radeon R7 250

Amazon.com

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 7770 Radeon R7 250
Manufacturer AMD AMD
Year February 2012 October 2013
Code Name Cape Verde XT Oland XT
Memory 1024 MB 1024 MB
Core Speed 1000 MHz 1000 MHz
Memory Speed 4500 MHz 4600 MHz
Power (Max TDP) 80 watts 65 watts
Bandwidth 72000 MB/sec 73600 MB/sec
Texel Rate 40000 Mtexels/sec 24000 Mtexels/sec
Pixel Rate 16000 Mpixels/sec 8000 Mpixels/sec
Unified Shaders 640 384
Texture Mapping Units 40 24
Render Output Units 16 8
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 28 nm
Transistors 1500 million 1040 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.1 DirectX 11.2
OpenGL Version OpenGL 4.2 OpenGL 4.3

Memory Bandwidth: Bandwidth is the largest amount of information (in units of MB per second) that can be transported across the external memory interface within a second. It is worked out by multiplying the interface width by the speed of its memory. In the case of DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the faster 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 amount of texture map elements (texels) that are applied in one second. This number is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the video 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 that the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 7770

Amazon.com

Radeon R7 250

Amazon.com

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


[X]
[X]