 |
 |
Radeon HD 4650 512MB vs Radeon R9 380 2G
Intro
The Radeon HD 4650 512MB features a clock frequency of 600 MHz and a DDR2 memory frequency of 500 MHz. It also uses a 128-bit memory bus, and uses a 55 nm design. It is comprised of 320(64x5) SPUs, 32 Texture Address Units, and 8 Raster Operation Units.Compare that to the Radeon R9 380 2G, which uses a 28 nm design. AMD has clocked the core frequency at 970 MHz. The GDDR5 RAM is set to run at a speed of 1425 MHz on this specific model. It features 1792 SPUs as well as 112 Texture Address Units and 32 Rasterization Operator Units.
Power Usage and Theoretical Benchmarks
Power Consumption (Max TDP)
| Radeon HD 4650 512MB |
|
55 Watts |
| Radeon R9 380 2G |
|
190 Watts |
|
|
Memory Bandwidth
The Radeon R9 380 2G, in theory, should perform a lot faster than the Radeon HD 4650 512MB in general. (explain)
| Radeon R9 380 2G |
|
182400 MB/sec |
| Radeon HD 4650 512MB |
|
16000 MB/sec |
|
|
Texel Rate
The Radeon R9 380 2G should be quite a bit (approximately 466%) faster with regards to AF than the Radeon HD 4650 512MB. (explain)| Radeon R9 380 2G |
|
108640 Mtexels/sec |
| Radeon HD 4650 512MB |
|
19200 Mtexels/sec |
|
|
Pixel Rate
The Radeon R9 380 2G will be quite a bit (more or less 547%) faster with regards to FSAA than the Radeon HD 4650 512MB, and also capable of handling higher resolutions better. (explain)| Radeon R9 380 2G |
|
31040 Mpixels/sec |
| Radeon HD 4650 512MB |
|
4800 Mpixels/sec |
|
|
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
Radeon HD 4650 512MBAmazon.com
Check prices at:
|
Radeon R9 380 2GAmazon.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
| Model | Radeon HD 4650 512MB | Radeon R9 380 2G |
|---|---|---|
| Manufacturer | AMD | AMD |
| Year | Sep 10, 2008 | June 2015 |
| Code Name | RV730 PRO | Antigua PRO |
| Memory | 512 MB | 2048 MB |
| Core Speed | 600 MHz | 970 MHz |
| Memory Speed | 1000 MHz | 5700 MHz |
| Power (Max TDP) | 55 watts | 190 watts |
| Bandwidth | 16000 MB/sec | 182400 MB/sec |
| Texel Rate | 19200 Mtexels/sec | 108640 Mtexels/sec |
| Pixel Rate | 4800 Mpixels/sec | 31040 Mpixels/sec |
| Unified Shaders | 320(64x5) | 1792 |
| Texture Mapping Units | 32 | 112 |
| Render Output Units | 8 | 32 |
| Bus Type | DDR2 | GDDR5 |
| Bus Width | 128-bit | 256-bit |
| Fab Process | 55 nm | 28 nm |
| Transistors | 514 million | 5000 million |
| Bus | PCIe 2.0 x16, AGP 8x | PCIe 3.0 ×16 |
| DirectX Version | DirectX 10.1 | DirectX 12.0 |
| OpenGL Version | OpenGL 3.0 | OpenGL 4.5 |
Memory Bandwidth: Bandwidth is the largest amount of data (measured in MB per second) that can be transferred past the external memory interface in a second. It's worked out by multiplying the interface width by the speed of its memory. If it uses DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, 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 can be processed in one second. This is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher the texel rate, 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 maximum number of pixels the video card can possibly write to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.
Radeon HD 4650 512MBAmazon.com
Check prices at:
|
Radeon R9 380 2GAmazon.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!