Radeon 540 vs Radeon HD 6990M Crossfire
When choosing between Radeon 540 and Radeon HD 6990M Crossfire, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Radeon 540 and Radeon HD 6990M Crossfire.
Radeon 540
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
| Radeon 540 | Radeon HD 6990M Crossfire | |
| Power consumption (TDP) | 50 Watt | |
| Interface | PCIe 3.0 x8 | |
| Supplementary power connectors | None | |
| Memory type | GDDR5 | GDDR5 |
| Maximum RAM amount | 2 GB | 2x2 GB |
| Display Connectors | 1x DVI, 1x HDMI, 1x DisplayPort | |
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- Radeon 540 and Radeon HD 6990M Crossfire have maximum RAM of 2 GB.
- Radeon 540 is used in Desktops, and Radeon HD 6990M Crossfire - in Laptops.
- Radeon 540 is build with GCN 4.0 architecture, and Radeon HD 6990M Crossfire - with Terascale 2.
- Core clock speed of Radeon 540 is 385 MHz higher, than Radeon HD 6990M Crossfire.
- Radeon 540 is manufactured by 14 nm process technology, and Radeon HD 6990M Crossfire - by 40 nm process technology.
- Memory clock speed of Radeon 540 is 6100 MHz higher, than Radeon HD 6990M Crossfire.
Game benchmarks
| high / 1080p | 6−7 | 35−40 |
| ultra / 1080p | 3−4 | 21−24 |
| QHD / 1440p | 0−1 | 16−18 |
| 4K / 2160p | − | 10−11 |
| low / 720p | 14−16 | 60−65 |
| medium / 1080p | 7−8 | 40−45 |
| The average gaming FPS of Radeon HD 6990M Crossfire in Assassin's Creed Odyssey is 412% more, than Radeon 540. | ||
| high / 1080p | 10−12 | 55−60 |
| ultra / 1080p | 9−10 | 45−50 |
| QHD / 1440p | 0−1 | 35−40 |
| 4K / 2160p | − | 18−20 |
| low / 720p | 21−24 | 100−110 |
| medium / 1080p | 10−12 | 60−65 |
| The average gaming FPS of Radeon HD 6990M Crossfire in Battlefield 5 is 423% more, than Radeon 540. | ||
| low / 768p | 45−50 | 50−55 |
| high / 1080p | 45−50 | − |
| QHD / 1440p | 0−1 | 0−1 |
| The average gaming FPS of Radeon HD 6990M Crossfire in Call of Duty: Warzone is 10% more, than Radeon 540. | ||
| low / 768p | 120−130 | 250−260 |
| medium / 768p | 100−110 | 220−230 |
| ultra / 1080p | 50−55 | 180−190 |
| QHD / 1440p | 27−30 | 110−120 |
| 4K / 2160p | − | 70−75 |
| high / 768p | 75−80 | 210−220 |
| The average gaming FPS of Radeon HD 6990M Crossfire in Counter-Strike: Global Offensive is 158% more, than Radeon 540. | ||
| low / 768p | 55−60 | 60−65 |
| ultra / 1080p | 16−18 | − |
| medium / 1080p | 45−50 | 55−60 |
| The average gaming FPS of Radeon HD 6990M Crossfire in Cyberpunk 2077 is 15% more, than Radeon 540. | ||
| low / 768p | 75−80 | 120−130 |
| medium / 768p | 55−60 | 110−120 |
| ultra / 1080p | 30−35 | 100−110 |
| The average gaming FPS of Radeon HD 6990M Crossfire in Dota 2 is 109% more, than Radeon 540. | ||
| high / 1080p | 7−8 | 45−50 |
| ultra / 1080p | 7−8 | 40−45 |
| QHD / 1440p | − | 27−30 |
| 4K / 2160p | 3−4 | 14−16 |
| low / 720p | 16−18 | 80−85 |
| medium / 1080p | 8−9 | 45−50 |
| The average gaming FPS of Radeon HD 6990M Crossfire in Far Cry 5 is 487% more, than Radeon 540. | ||
| high / 1080p | 14−16 | 60−65 |
| ultra / 1080p | 10−11 | 45−50 |
| QHD / 1440p | − | 27−30 |
| 4K / 2160p | − | 27−30 |
| low / 720p | 55−60 | 180−190 |
| medium / 1080p | 20−22 | 110−120 |
| The average gaming FPS of Radeon HD 6990M Crossfire in Fortnite is 292% more, than Radeon 540. | ||
| high / 1080p | 10−12 | 60−65 |
| ultra / 1080p | 10−11 | 45−50 |
| QHD / 1440p | 0−1 | 30−35 |
| 4K / 2160p | − | 24−27 |
| low / 720p | 24−27 | 100−110 |
| medium / 1080p | 12−14 | 65−70 |
| The average gaming FPS of Radeon HD 6990M Crossfire in Forza Horizon 4 is 366% more, than Radeon 540. | ||
| low / 768p | 50−55 | 140−150 |
| medium / 768p | 40−45 | 120−130 |
| high / 1080p | 10−12 | 70−75 |
| ultra / 1080p | 6−7 | 30−35 |
| QHD / 1440p | 0−1 | 21−24 |
| The average gaming FPS of Radeon HD 6990M Crossfire in Grand Theft Auto V is 232% more, than Radeon 540. | ||
| high / 1080p | 4−5 | 24−27 |
| ultra / 1080p | 3−4 | 20−22 |
| QHD / 1440p | − | 16−18 |
| 4K / 2160p | 0−1 | 8−9 |
| low / 720p | 10−12 | 65−70 |
| medium / 1080p | 6−7 | 30−35 |
| The average gaming FPS of Radeon HD 6990M Crossfire in Metro Exodus is 500% more, than Radeon 540. | ||
| low / 768p | 90−95 | 130−140 |
| high / 1080p | 85−90 | − |
| ultra / 1080p | 75−80 | − |
| medium / 1080p | 90−95 | 120−130 |
| The average gaming FPS of Radeon HD 6990M Crossfire in Minecraft is 41% more, than Radeon 540. | ||
| high / 1080p | 16−18 | − |
| ultra / 1080p | 14−16 | 14−16 |
| low / 720p | 30−33 | 100−110 |
| medium / 1080p | 16−18 | 18−20 |
| The average gaming FPS of Radeon HD 6990M Crossfire in PLAYERUNKNOWN'S BATTLEGROUNDS is 119% more, than Radeon 540. | ||
| high / 1080p | − | 24−27 |
| ultra / 1080p | 7−8 | 16−18 |
| QHD / 1440p | 0−1 | 10−11 |
| 4K / 2160p | − | 7−8 |
| low / 720p | 10−12 | 65−70 |
| medium / 1080p | 10−11 | 35−40 |
| The average gaming FPS of Radeon HD 6990M Crossfire in Red Dead Redemption 2 is 344% more, than Radeon 540. | ||
| low / 768p | 21−24 | 130−140 |
| medium / 768p | 14−16 | 85−90 |
| high / 1080p | 8−9 | 45−50 |
| ultra / 1080p | 6−7 | 24−27 |
| 4K / 2160p | − | 16−18 |
| The average gaming FPS of Radeon HD 6990M Crossfire in The Witcher 3: Wild Hunt is 461% more, than Radeon 540. | ||
| low / 768p | 85−90 | 90−95 |
| medium / 768p | 40−45 | 60−65 |
| ultra / 1080p | 18−20 | 50−55 |
| high / 768p | 35−40 | 60−65 |
| The average gaming FPS of Radeon HD 6990M Crossfire in World of Tanks is 45% more, than Radeon 540. | ||
Full Specs
| Radeon 540 | Radeon HD 6990M Crossfire | |
| Architecture | GCN 4.0 | Terascale 2 |
| Code name | Lexa | Blackcomb XTX |
| Type | Desktop | Laptop |
| Release date | 26 March 2019 | 12 July 2011 |
| Pipelines | 512 | 2240 |
| Core clock speed | 1100 MHz | 715 MHz |
| Boost Clock | 1124 MHz | |
| Transistor count | 2,200 million | 2x1700 Million |
| Manufacturing process technology | 14 nm | 40 nm |
| Texture fill rate | 35.97 | |
| Length | 145 mm | |
| Memory bus width | 64 Bit | 256 Bit |
| Memory clock speed | 7000 MHz | 900 MHz |
| Memory bandwidth | 56 GB/s | |
| Shared memory | - | |
| DirectX | 12 (12_0) | DirectX 11, Shader 5.0 |
| Shader Model | 6.4 | |
| OpenGL | 4.6 | |
| OpenCL | 2.0 | |
| Vulkan | 1.2.131 | |
| Laptop size | large | |
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