 |
 |
Submit Benchmarks!
Radeon HD 7870 vs Radeon HD 7950
Intro
The Radeon HD 7870 features core speeds of 1000 MHz on the GPU, and 1200 MHz on the 2048 MB of GDDR5 memory. It features 1280 SPUs as well as 80 TAUs and 32 ROPs.Compare that to the Radeon HD 7950, which uses a 28 nm design. AMD has clocked the core frequency at 800 MHz. The GDDR5 memory is set to run at a speed of 1250 MHz on this model. It features 1792 SPUs as well as 112 Texture Address Units and 32 Rasterization Operator Units.
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 7950 |
|
7731 points |
| Radeon HD 7870 |
|
6230 points |
|
|
Zcash Mining Hash Rate
| Radeon HD 7950 |
|
235 Sol/s |
| Radeon HD 7870 |
|
172 Sol/s |
|
|
Ethereum Mining Hash Rate
| Radeon HD 7950 |
|
21 Mh/s |
| Radeon HD 7870 |
|
16 Mh/s |
|
|
Power Usage and Theoretical Benchmarks
Power Consumption (Max TDP)
| Radeon HD 7870 |
|
175 Watts |
| Radeon HD 7950 |
|
200 Watts |
|
|
Memory Bandwidth
Performance-wise, the Radeon HD 7950 should in theory be quite a bit better than the Radeon HD 7870 in general. (explain)
| Radeon HD 7950 |
|
240000 MB/sec |
| Radeon HD 7870 |
|
153600 MB/sec |
|
|
Texel Rate
The Radeon HD 7950 is a bit (approximately 12%) better at texture filtering than the Radeon HD 7870. (explain)| Radeon HD 7950 |
|
89600 Mtexels/sec |
| Radeon HD 7870 |
|
80000 Mtexels/sec |
|
|
Pixel Rate
The Radeon HD 7870 should be quite a bit (approximately 25%) better at FSAA than the Radeon HD 7950, and capable of handling higher resolutions more effectively. (explain)| Radeon HD 7870 |
|
32000 Mpixels/sec |
| Radeon HD 7950 |
|
25600 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 7870Amazon.com
Check prices at:
|
Radeon HD 7950Amazon.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 7870 | Radeon HD 7950 |
|---|---|---|
| Manufacturer | AMD | AMD |
| Year | March 2012 | January 2012 |
| Code Name | Pitcairn XT | Tahiti Pro |
| Memory | 2048 MB | 1536 MB |
| Core Speed | 1000 MHz | 800 MHz |
| Memory Speed | 4800 MHz | 5000 MHz |
| Power (Max TDP) | 175 watts | 200 watts |
| Bandwidth | 153600 MB/sec | 240000 MB/sec |
| Texel Rate | 80000 Mtexels/sec | 89600 Mtexels/sec |
| Pixel Rate | 32000 Mpixels/sec | 25600 Mpixels/sec |
| Unified Shaders | 1280 | 1792 |
| Texture Mapping Units | 80 | 112 |
| Render Output Units | 32 | 32 |
| Bus Type | GDDR5 | GDDR5 |
| Bus Width | 256-bit | 384-bit |
| Fab Process | 28 nm | 28 nm |
| Transistors | 2800 million | 4313 million |
| Bus | PCIe 3.0 x16 | PCIe 3.0 x16 |
| DirectX Version | DirectX 11.1 | DirectX 11.1 |
| OpenGL Version | OpenGL 4.2 | OpenGL 4.2 |
Memory Bandwidth: Memory bandwidth is the largest amount of information (measured in megabytes per second) that can be transferred over the external memory interface in a second. It's calculated by multiplying the interface width by its memory speed. In the case of DDR memory, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.
Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This figure is worked out by multiplying the total amount 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 applied in one second.
Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly record to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output 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 reach the max fill rate.
Radeon HD 7870Amazon.com
Check prices at:
|
Radeon HD 7950Amazon.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
5 Responses to “Radeon HD 7870 vs Radeon HD 7950”[...] Kaufberatung: welche HD7870 oder doch welche HD7950 ? Schau mal hier nach... Klick C2Q@3.00 4GB OCT Reaper 1066@1333 evga gtx 465 @ gtx 465 763/1526/1800 Gigabyte p-35-ds-3r [...]
?boy,9up55o78ukeouyieyu8779i9u9y8zii87795itlk
how is the 7950 a better overall card but the 7870 is better at handling higher graphics? HW compare get your info correct cause this makes no sense
"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."
can anyone help for selecting a card that is compatible with my PC