GRID K520 vs Radeon HD 6990M Crossfire
In this comparison between GRID K520 and Radeon HD 6990M Crossfire you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people GRID K520 will be the best choice, for others Radeon HD 6990M Crossfire will be their preference. Study the comparison tables below and make your choice.
GRID K520
Radeon HD 6990M Crossfire is a Laptop Graphics Card
Note: Radeon HD 6990M Crossfire is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Radeon HD 6990M Crossfire here:
Main Specs
| GRID K520 | Radeon HD 6990M Crossfire | |
| Power consumption (TDP) | 225 Watt | |
| Interface | PCIe 3.0 x16 | |
| Supplementary power connectors | 1x 8-pin | |
| Memory type | GDDR5 | GDDR5 |
| Maximum RAM amount | 4 GB | 2x2 GB |
| Display Connectors | No outputs | |
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- GRID K520 has 2 GB more memory, than Radeon HD 6990M Crossfire.
- GRID K520 is used in Desktops, and Radeon HD 6990M Crossfire - in Laptops.
- GRID K520 is build with Kepler architecture, and Radeon HD 6990M Crossfire - with Terascale 2.
- Core clock speed of GRID K520 is 30 MHz higher, than Radeon HD 6990M Crossfire.
- GRID K520 is manufactured by 28 nm process technology, and Radeon HD 6990M Crossfire - by 40 nm process technology.
- Memory clock speed of GRID K520 is 4100 MHz higher, than Radeon HD 6990M Crossfire.
Game benchmarks
| high / 1080p | 16−18 | 35−40 |
| ultra / 1080p | 9−10 | 21−24 |
| QHD / 1440p | 4−5 | 16−18 |
| 4K / 2160p | 4−5 | 10−11 |
| low / 720p | 30−35 | 60−65 |
| medium / 1080p | 20−22 | 40−45 |
| The average gaming FPS of Radeon HD 6990M Crossfire in Assassin's Creed Odyssey is 128% more, than GRID K520. | ||
| high / 1080p | 24−27 | 55−60 |
| ultra / 1080p | 21−24 | 45−50 |
| QHD / 1440p | 9−10 | 35−40 |
| 4K / 2160p | 6−7 | 18−20 |
| low / 720p | 55−60 | 100−110 |
| medium / 1080p | 27−30 | 60−65 |
| The average gaming FPS of Radeon HD 6990M Crossfire in Battlefield 5 is 116% more, than GRID K520. | ||
| low / 768p | 45−50 | 50−55 |
| QHD / 1440p | 0−1 | 0−1 |
| The average gaming FPS of Radeon HD 6990M Crossfire in Call of Duty: Warzone is 10% more, than GRID K520. | ||
| low / 768p | 210−220 | 250−260 |
| medium / 768p | 180−190 | 220−230 |
| ultra / 1080p | 100−110 | 180−190 |
| QHD / 1440p | 55−60 | 110−120 |
| 4K / 2160p | 30−35 | 70−75 |
| high / 768p | 140−150 | 210−220 |
| The average gaming FPS of Radeon HD 6990M Crossfire in Counter-Strike: Global Offensive is 43% more, than GRID K520. | ||
| low / 768p | 55−60 | 60−65 |
| ultra / 1080p | 40−45 | − |
| medium / 1080p | 45−50 | 55−60 |
| The average gaming FPS of Radeon HD 6990M Crossfire in Cyberpunk 2077 is 15% more, than GRID K520. | ||
| low / 768p | 110−120 | 120−130 |
| medium / 768p | 95−100 | 110−120 |
| ultra / 1080p | 65−70 | 100−110 |
| The average gaming FPS of Radeon HD 6990M Crossfire in Dota 2 is 23% more, than GRID K520. | ||
| high / 1080p | 18−20 | 45−50 |
| ultra / 1080p | 18−20 | 40−45 |
| QHD / 1440p | 16−18 | 27−30 |
| 4K / 2160p | 6−7 | 14−16 |
| low / 720p | 40−45 | 80−85 |
| medium / 1080p | 21−24 | 45−50 |
| The average gaming FPS of Radeon HD 6990M Crossfire in Far Cry 5 is 104% more, than GRID K520. | ||
| high / 1080p | 27−30 | 60−65 |
| ultra / 1080p | 21−24 | 45−50 |
| QHD / 1440p | 16−18 | 27−30 |
| 4K / 2160p | − | 27−30 |
| low / 720p | 100−110 | 180−190 |
| medium / 1080p | 55−60 | 110−120 |
| The average gaming FPS of Radeon HD 6990M Crossfire in Fortnite is 89% more, than GRID K520. | ||
| high / 1080p | 27−30 | 60−65 |
| ultra / 1080p | 21−24 | 45−50 |
| QHD / 1440p | 10−11 | 30−35 |
| 4K / 2160p | 10−11 | 24−27 |
| low / 720p | 55−60 | 100−110 |
| medium / 1080p | 30−35 | 65−70 |
| The average gaming FPS of Radeon HD 6990M Crossfire in Forza Horizon 4 is 107% more, than GRID K520. | ||
| low / 768p | 90−95 | 140−150 |
| medium / 768p | 80−85 | 120−130 |
| high / 1080p | 30−35 | 70−75 |
| ultra / 1080p | 12−14 | 30−35 |
| QHD / 1440p | 4−5 | 21−24 |
| The average gaming FPS of Radeon HD 6990M Crossfire in Grand Theft Auto V is 75% more, than GRID K520. | ||
| high / 1080p | 10−11 | 24−27 |
| ultra / 1080p | 8−9 | 20−22 |
| QHD / 1440p | − | 16−18 |
| 4K / 2160p | 3−4 | 8−9 |
| low / 720p | 30−35 | 65−70 |
| medium / 1080p | 14−16 | 30−35 |
| The average gaming FPS of Radeon HD 6990M Crossfire in Metro Exodus is 121% more, than GRID K520. | ||
| low / 768p | 110−120 | 130−140 |
| medium / 1080p | 100−110 | 120−130 |
| The average gaming FPS of Radeon HD 6990M Crossfire in Minecraft is 18% more, than GRID K520. | ||
| high / 1080p | 24−27 | − |
| ultra / 1080p | 18−20 | 14−16 |
| low / 720p | 60−65 | 100−110 |
| medium / 1080p | 24−27 | 18−20 |
| The average gaming FPS of Radeon HD 6990M Crossfire in PLAYERUNKNOWN'S BATTLEGROUNDS is 31% more, than GRID K520. | ||
| high / 1080p | 14−16 | 24−27 |
| ultra / 1080p | 10−11 | 16−18 |
| QHD / 1440p | 0−1 | 10−11 |
| 4K / 2160p | − | 7−8 |
| low / 720p | 30−35 | 65−70 |
| medium / 1080p | 16−18 | 35−40 |
| The average gaming FPS of Radeon HD 6990M Crossfire in Red Dead Redemption 2 is 100% more, than GRID K520. | ||
| low / 768p | 60−65 | 130−140 |
| medium / 768p | 35−40 | 85−90 |
| high / 1080p | 20−22 | 45−50 |
| ultra / 1080p | 12−14 | 24−27 |
| 4K / 2160p | 8−9 | 16−18 |
| The average gaming FPS of Radeon HD 6990M Crossfire in The Witcher 3: Wild Hunt is 121% more, than GRID K520. | ||
| low / 768p | 100−110 | 90−95 |
| medium / 768p | 60−65 | 60−65 |
| ultra / 1080p | 35−40 | 50−55 |
| high / 768p | 55−60 | 60−65 |
| The average gaming FPS of Radeon HD 6990M Crossfire in World of Tanks is 3% more, than GRID K520. | ||
Full Specs
| GRID K520 | Radeon HD 6990M Crossfire | |
| Architecture | Kepler | Terascale 2 |
| Code name | GK104 | Blackcomb XTX |
| Type | Workstation | Laptop |
| Release date | 23 July 2013 | 12 July 2011 |
| Pipelines | 1536 | 2240 |
| Core clock speed | 745 MHz | 715 MHz |
| Transistor count | 3,540 million | 2x1700 Million |
| Manufacturing process technology | 28 nm | 40 nm |
| Texture fill rate | 95.36 | |
| Floating-point performance | 2x 2,448 gflops | |
| Length | 267 mm | |
| Memory bus width | 256 Bit | 256 Bit |
| Memory clock speed | 5000 MHz | 900 MHz |
| Memory bandwidth | 160.0 GB/s | |
| Shared memory | - | |
| DirectX | 12 (11_0) | DirectX 11, Shader 5.0 |
| Shader Model | 5.1 | |
| OpenGL | 4.6 | |
| OpenCL | 1.2 | |
| Vulkan | 1.1.126 | |
| CUDA | 3.0 | |
| Bitcoin / BTC (SHA256) | 76 Mh/s | |
| Laptop size | large | |
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