GeForce 840A vs Radeon HD 6990M
Find out if it is worth upgrading your current GPU setup by comparing GeForce 840A and Radeon HD 6990M. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce 840A and Radeon HD 6990M. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
GeForce 840A
Radeon HD 6990M is a Laptop Graphics Card
Note: Radeon HD 6990M 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 here:
Main Specs
| GeForce 840A | Radeon HD 6990M | |
| Power consumption (TDP) | 33 Watt | 100 Watt |
| Interface | PCIe 3.0 x8 | MXM-B (3.0) |
| Supplementary power connectors | None | |
| Memory type | DDR3 | GDDR5 |
| Maximum RAM amount | 2 GB | 2 GB |
| Display Connectors | No outputs | No outputs |
| Check Price |
- Radeon HD 6990M has 203% more power consumption, than GeForce 840A.
- GeForce 840A is connected by PCIe 3.0 x8, and Radeon HD 6990M uses MXM-B (3.0) interface.
- GeForce 840A and Radeon HD 6990M have maximum RAM of 2 GB.
- GeForce 840A is used in Desktops, and Radeon HD 6990M - in Laptops.
- GeForce 840A is build with Maxwell architecture, and Radeon HD 6990M - with Terascale 2.
- Core clock speed of GeForce 840A is 314 MHz higher, than Radeon HD 6990M.
- GeForce 840A is manufactured by 28 nm process technology, and Radeon HD 6990M - by 40 nm process technology.
- Memory clock speed of GeForce 840A is 1102 MHz higher, than Radeon HD 6990M.
Game benchmarks
| high / 1080p | 3−4 | 14−16 |
| ultra / 1080p | 2−3 | 8−9 |
| QHD / 1440p | 0−1 | 3−4 |
| low / 720p | 14−16 | 30−33 |
| medium / 1080p | 5−6 | 16−18 |
| The average gaming FPS of Radeon HD 6990M in Assassin's Creed Odyssey is 200% more, than GeForce 840A. | ||
| high / 1080p | − | 21−24 |
| ultra / 1080p | 7−8 | 18−20 |
| QHD / 1440p | 0−1 | 6−7 |
| 4K / 2160p | − | 5−6 |
| low / 720p | 18−20 | 45−50 |
| medium / 1080p | 8−9 | 24−27 |
| The average gaming FPS of Radeon HD 6990M in Battlefield 5 is 172% more, than GeForce 840A. | ||
| low / 768p | 45−50 | 45−50 |
| high / 1080p | 30−35 | − |
| QHD / 1440p | 0−1 | 0−1 |
| GeForce 840A and Radeon HD 6990M have the same average FPS in Call of Duty: Warzone. | ||
| low / 768p | 120−130 | 200−210 |
| medium / 768p | 90−95 | 170−180 |
| ultra / 1080p | 40−45 | 90−95 |
| QHD / 1440p | 24−27 | 50−55 |
| 4K / 2160p | 18−20 | 30−33 |
| high / 768p | 65−70 | 130−140 |
| The average gaming FPS of Radeon HD 6990M in Counter-Strike: Global Offensive is 85% more, than GeForce 840A. | ||
| low / 768p | 80−85 | 55−60 |
| ultra / 1080p | 14−16 | 35−40 |
| medium / 1080p | 40−45 | 45−50 |
| The average gaming FPS of Radeon HD 6990M in Cyberpunk 2077 is 2% more, than GeForce 840A. | ||
| low / 768p | 75−80 | 100−110 |
| medium / 768p | 50−55 | 90−95 |
| ultra / 1080p | 27−30 | 60−65 |
| The average gaming FPS of Radeon HD 6990M in Dota 2 is 65% more, than GeForce 840A. | ||
| high / 1080p | 5−6 | 16−18 |
| ultra / 1080p | − | 14−16 |
| 4K / 2160p | 2−3 | 6−7 |
| low / 720p | 14−16 | 35−40 |
| medium / 1080p | 6−7 | 18−20 |
| The average gaming FPS of Radeon HD 6990M in Far Cry 5 is 185% more, than GeForce 840A. | ||
| high / 1080p | 12−14 | 24−27 |
| ultra / 1080p | 7−8 | 18−20 |
| QHD / 1440p | − | 16−18 |
| low / 720p | 50−55 | 95−100 |
| medium / 1080p | 14−16 | 50−55 |
| The average gaming FPS of Radeon HD 6990M in Fortnite is 118% more, than GeForce 840A. | ||
| high / 1080p | 7−8 | 24−27 |
| ultra / 1080p | − | 18−20 |
| QHD / 1440p | 0−1 | 8−9 |
| low / 720p | 20−22 | 50−55 |
| medium / 1080p | 9−10 | 27−30 |
| The average gaming FPS of Radeon HD 6990M in Forza Horizon 4 is 191% more, than GeForce 840A. | ||
| low / 768p | 45−50 | 80−85 |
| medium / 768p | − | 70−75 |
| high / 1080p | 8−9 | 27−30 |
| ultra / 1080p | 5−6 | 10−12 |
| QHD / 1440p | 0−1 | 2−3 |
| medium / 720p | 40−45 | − |
| The average gaming FPS of Radeon HD 6990M in Grand Theft Auto V is 100% more, than GeForce 840A. | ||
| high / 1080p | 3−4 | 9−10 |
| ultra / 1080p | 1−2 | 7−8 |
| 4K / 2160p | 0−1 | 2−3 |
| low / 720p | 8−9 | 27−30 |
| medium / 1080p | 4−5 | 12−14 |
| The average gaming FPS of Radeon HD 6990M in Metro Exodus is 250% more, than GeForce 840A. | ||
| low / 768p | 85−90 | 110−120 |
| high / 1080p | 85−90 | − |
| ultra / 1080p | 80−85 | 100−110 |
| medium / 1080p | 85−90 | 100−110 |
| The average gaming FPS of Radeon HD 6990M in Minecraft is 27% more, than GeForce 840A. | ||
| high / 1080p | − | 21−24 |
| ultra / 1080p | 12−14 | 16−18 |
| low / 720p | 27−30 | 55−60 |
| medium / 1080p | 14−16 | 24−27 |
| The average gaming FPS of Radeon HD 6990M in PLAYERUNKNOWN'S BATTLEGROUNDS is 83% more, than GeForce 840A. | ||
| high / 1080p | − | 14−16 |
| ultra / 1080p | 7−8 | 9−10 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 8−9 | 27−30 |
| medium / 1080p | − | 16−18 |
| The average gaming FPS of Radeon HD 6990M in Red Dead Redemption 2 is 137% more, than GeForce 840A. | ||
| low / 768p | 16−18 | 50−55 |
| medium / 768p | 12−14 | 30−35 |
| high / 1080p | 6−7 | 18−20 |
| ultra / 1080p | 5−6 | 10−11 |
| 4K / 2160p | − | 8−9 |
| The average gaming FPS of Radeon HD 6990M in The Witcher 3: Wild Hunt is 180% more, than GeForce 840A. | ||
| low / 768p | 70−75 | 100−105 |
| medium / 768p | 35−40 | 60−65 |
| ultra / 1080p | 16−18 | 30−35 |
| high / 768p | 30−35 | 50−55 |
| The average gaming FPS of Radeon HD 6990M in World of Tanks is 58% more, than GeForce 840A. | ||
Full Specs
| GeForce 840A | Radeon HD 6990M | |
| Architecture | Maxwell | Terascale 2 |
| Code name | GM108 | Blackcomb XTX |
| Type | Desktop | Laptop |
| Release date | 17 March 2014 | 12 July 2011 |
| Pipelines | 384 | 1120 |
| Core clock speed | 1029 MHz | 715 MHz |
| Boost Clock | 1124 MHz | |
| Transistor count | 1,700 million | |
| Manufacturing process technology | 28 nm | 40 nm |
| Texture fill rate | 17.98 | 40.04 |
| Floating-point performance | 863.2 gflops | 1,601.6 gflops |
| Memory bus width | 64 Bit | 256 Bit |
| Memory clock speed | 2002 MHz | 900 MHz |
| Memory bandwidth | 16.02 GB/s | 115.2 GB/s |
| Shared memory | - | |
| DirectX | 12 (11_0) | 11.2 (11_0) |
| Shader Model | 5.1 | 5.0 |
| OpenGL | 4.6 | 4.4 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.1.126 | N/A |
| CUDA | 5.0 | |
| Laptop size | large | |
| Check Price |