General info
The main nomenclature characteristics of video cards ATI Mobility Radeon HD 3870 X2 and AMD Radeon HD 7990. Pay attention to the position in the performance rating to choose the best one.
Technical specs
Choose the best graphics card between ATI Mobility Radeon HD 3870 X2 and AMD Radeon HD 7990 based on manufacturing process, power consumption, and base frequency and overclocking potential of the GPU.
Compatibility, dimensions and requirements
Additional technical information, does not greatly affect the performance rating when comparing the ATI Mobility Radeon HD 3870 X2 and AMD Radeon HD 7990.
Memory
Graphics card memory is used to store calculations. Modern software and 3D games require more and faster memory. The higher these parameters, the more productive the chip. The difference in these characteristics ATI Mobility Radeon HD 3870 X2 and AMD Radeon HD 7990 can be seen in this section.
Video outputs and ports
The difference between the interfaces and ports of video cards ATI Mobility Radeon HD 3870 X2 and AMD Radeon HD 7990, the size and number of monitors.
API support
The difference in supported APIs is ATI Mobility Radeon HD 3870 X2 and AMD Radeon HD 7990. Hardware support (API) is not considered in synthetic benchmarks and performance tests.
Gaming performance
Select form the list the required name to identify gaming performance for ATI Mobility Radeon HD 3870 X2 and AMD Radeon HD 7990 graphics cards. The result shows how fast the game will run and whether it can be run on this computer. The different monitor resolutions – from low to 4K – are used for testing. Find out is the ATI Mobility Radeon HD 3870 X2 or AMD Radeon HD 7990 good for gaming.
|
low
1280x720 |
med.
1920x1080 |
high
1920x1080 |
ultra
1920x1080 |
QHD
2560x1440 |
4K
3840x2160 |
||
| Horizon Zero Dawn (2020) | ATI Mobility Radeon HD 3870 X2 | ||||||
| AMD Radeon HD 7990 | |||||||
| Death Stranding (2020) | ATI Mobility Radeon HD 3870 X2 | ||||||
| AMD Radeon HD 7990 | |||||||
| F1 2020 (2020) | ATI Mobility Radeon HD 3870 X2 | ||||||
| AMD Radeon HD 7990 | |||||||
| Gears Tactics (2020) | ATI Mobility Radeon HD 3870 X2 | ||||||
| AMD Radeon HD 7990 | |||||||
| Doom Eternal (2020) | ATI Mobility Radeon HD 3870 X2 | ||||||
| AMD Radeon HD 7990 | |||||||
| Legend | |
| 5 | Stutter – Insufficient data. Similar graphics cards stutter, the game is likely to show a low frame rate. There will be some lags. |
| May Stutter – Insufficient data. Similar graphics cards stutter, the game is likely to show a low frame rate. There will be some lags. | |
| 30 | Fluent – According to the results of benchmarks the game should run at 25 frames per second (fps) |
| 40 | Fluent – According to the results of benchmarks the game should run at 35 frames per second (fps) |
| 60 | Fluent – According to the results of benchmarks the game should run at 58 frames per second (fps) |
| May Run Fluently – Insufficient data. Similar graphics cards show a smooth frame rate, comfortable for the game. | |
| ? | Uncertain – Graphics cards testing has shown that a slower card can provide a high and stable frame rate for the same operation. |
| Uncertain – The work of the video card in the game is still being studied. Interpolation among analogs is not possible. | |
| The value depicts the average frame rate. Hovering over the value, you can get individual results. | |
Advantages of ATI Mobility Radeon HD 3870 X2
Less power consumption (110 Watt vs 375 Watt)
More maximum RAM amount (512 MB vs 3 GB)
Advantages of AMD Radeon HD 7990
19.55% faster in synthetic tests
More pipelines (2048 vs 320)
Finer manufacturing process technology (28 nm vs 55 nm)
More memory bandwidth (288.0 GB/s vs 54.4 GB/s)
So, ATI Mobility Radeon HD 3870 X2 or AMD Radeon HD 7990?
Judging by the results of synthetic and gaming tests, we recommend AMD Radeon HD 7990 .
ATI Mobility Radeon HD 3870 X2 versus AMD Radeon HD 7990 performance benchmarks comparison
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