GeForce 840A vs Radeon R9 M485X
Find out if it is worth upgrading your current GPU setup by comparing GeForce 840A and Radeon R9 M485X. 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 R9 M485X. 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 R9 M485X is a Laptop Graphics Card
Note: Radeon R9 M485X 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 R9 M485X here:
Main Specs
| GeForce 840A | Radeon R9 M485X | |
| Power consumption (TDP) | 33 Watt | 250 Watt |
| Interface | PCIe 3.0 x8 | MXM-B (3.0) |
| Supplementary power connectors | None | |
| Memory type | DDR3 | GDDR5 |
| Maximum RAM amount | 2 GB | 8 GB MB |
| Display Connectors | No outputs | No outputs |
| Check Price |
- Radeon R9 M485X has 657% more power consumption, than GeForce 840A.
- GeForce 840A is connected by PCIe 3.0 x8, and Radeon R9 M485X uses MXM-B (3.0) interface.
- Radeon R9 M485X has 6 GB more memory, than GeForce 840A.
- GeForce 840A is used in Desktops, and Radeon R9 M485X - in Laptops.
- GeForce 840A is build with Maxwell architecture, and Radeon R9 M485X - with GCN 3.
- Core clock speed of GeForce 840A is 306 MHz higher, than Radeon R9 M485X.
- GeForce 840A and Radeon R9 M485X are manufactured by 28 nm process technology.
- Memory clock speed of Radeon R9 M485X is 2998 MHz higher, than GeForce 840A.
Game benchmarks
| high / 1080p | 3−4 | 24−27 |
| ultra / 1080p | 2−3 | 14−16 |
| QHD / 1440p | 0−1 | 10−11 |
| 4K / 2160p | − | 6−7 |
| low / 720p | 14−16 | 45−50 |
| medium / 1080p | 5−6 | 30−35 |
| The average gaming FPS of Radeon R9 M485X in Assassin's Creed Odyssey is 400% more, than GeForce 840A. | ||
| high / 1080p | − | 35−40 |
| ultra / 1080p | 7−8 | 30−35 |
| QHD / 1440p | 0−1 | 18−20 |
| 4K / 2160p | − | 10−12 |
| low / 720p | 18−20 | 80−85 |
| medium / 1080p | 8−9 | 45−50 |
| The average gaming FPS of Radeon R9 M485X in Battlefield 5 is 390% more, than GeForce 840A. | ||
| low / 768p | 45−50 | 50−55 |
| high / 1080p | 30−35 | − |
| QHD / 1440p | 0−1 | 0−1 |
| The average gaming FPS of Radeon R9 M485X in Call of Duty: Warzone is 10% more, than GeForce 840A. | ||
| low / 768p | 120−130 | 240−250 |
| medium / 768p | 90−95 | 210−220 |
| ultra / 1080p | 40−45 | 140−150 |
| QHD / 1440p | 24−27 | 110−120 |
| 4K / 2160p | 18−20 | 60−65 |
| high / 768p | 65−70 | 180−190 |
| The average gaming FPS of Radeon R9 M485X in Counter-Strike: Global Offensive is 159% more, than GeForce 840A. | ||
| low / 768p | 80−85 | 60−65 |
| ultra / 1080p | 14−16 | − |
| medium / 1080p | 40−45 | 55−60 |
| The average gaming FPS of GeForce 840A in Cyberpunk 2077 is 3% more, than Radeon R9 M485X. | ||
| low / 768p | 75−80 | 120−130 |
| medium / 768p | 50−55 | 110−120 |
| ultra / 1080p | 27−30 | 90−95 |
| The average gaming FPS of Radeon R9 M485X in Dota 2 is 111% more, than GeForce 840A. | ||
| high / 1080p | 5−6 | 30−35 |
| ultra / 1080p | − | 27−30 |
| QHD / 1440p | − | 21−24 |
| 4K / 2160p | 2−3 | 10−11 |
| low / 720p | 14−16 | 60−65 |
| medium / 1080p | 6−7 | 30−35 |
| The average gaming FPS of Radeon R9 M485X in Far Cry 5 is 385% more, than GeForce 840A. | ||
| high / 1080p | 12−14 | 40−45 |
| ultra / 1080p | 7−8 | 30−35 |
| QHD / 1440p | − | 18−20 |
| low / 720p | 50−55 | 140−150 |
| medium / 1080p | 14−16 | 85−90 |
| The average gaming FPS of Radeon R9 M485X in Fortnite is 245% more, than GeForce 840A. | ||
| high / 1080p | 7−8 | 40−45 |
| ultra / 1080p | − | 30−35 |
| QHD / 1440p | 0−1 | 18−20 |
| 4K / 2160p | − | 16−18 |
| low / 720p | 20−22 | 80−85 |
| medium / 1080p | 9−10 | 45−50 |
| The average gaming FPS of Radeon R9 M485X in Forza Horizon 4 is 375% more, than GeForce 840A. | ||
| low / 768p | 45−50 | 110−120 |
| medium / 768p | − | 100−110 |
| high / 1080p | 8−9 | 50−55 |
| ultra / 1080p | 5−6 | 21−24 |
| QHD / 1440p | 0−1 | 10−12 |
| medium / 720p | 40−45 | − |
| The average gaming FPS of Radeon R9 M485X in Grand Theft Auto V is 215% more, than GeForce 840A. | ||
| high / 1080p | 3−4 | 16−18 |
| ultra / 1080p | 1−2 | 12−14 |
| QHD / 1440p | − | 12−14 |
| 4K / 2160p | 0−1 | 4−5 |
| low / 720p | 8−9 | 45−50 |
| medium / 1080p | 4−5 | 21−24 |
| The average gaming FPS of Radeon R9 M485X in Metro Exodus is 525% more, than GeForce 840A. | ||
| low / 768p | 85−90 | 120−130 |
| high / 1080p | 85−90 | − |
| ultra / 1080p | 80−85 | − |
| medium / 1080p | 85−90 | 110−120 |
| The average gaming FPS of Radeon R9 M485X in Minecraft is 37% more, than GeForce 840A. | ||
| ultra / 1080p | 12−14 | 14−16 |
| low / 720p | 27−30 | 80−85 |
| medium / 1080p | 14−16 | 18−20 |
| The average gaming FPS of Radeon R9 M485X in PLAYERUNKNOWN'S BATTLEGROUNDS is 111% more, than GeForce 840A. | ||
| high / 1080p | − | 18−20 |
| ultra / 1080p | 7−8 | 12−14 |
| QHD / 1440p | 0−1 | 4−5 |
| 4K / 2160p | − | 3−4 |
| low / 720p | 8−9 | 45−50 |
| medium / 1080p | − | 24−27 |
| The average gaming FPS of Radeon R9 M485X in Red Dead Redemption 2 is 275% more, than GeForce 840A. | ||
| low / 768p | 16−18 | 90−95 |
| medium / 768p | 12−14 | 55−60 |
| high / 1080p | 6−7 | 30−35 |
| ultra / 1080p | 5−6 | 18−20 |
| 4K / 2160p | − | 10−11 |
| The average gaming FPS of Radeon R9 M485X in The Witcher 3: Wild Hunt is 400% more, than GeForce 840A. | ||
| low / 768p | 70−75 | 90−95 |
| medium / 768p | 35−40 | 60−65 |
| ultra / 1080p | 16−18 | 45−50 |
| high / 768p | 30−35 | 55−60 |
| The average gaming FPS of Radeon R9 M485X in World of Tanks is 66% more, than GeForce 840A. | ||
Full Specs
| GeForce 840A | Radeon R9 M485X | |
| Architecture | Maxwell | GCN 3 |
| Code name | GM108 | Amethyst |
| Type | Desktop | Laptop |
| Release date | 17 March 2014 | 14 May 2016 |
| Pipelines | 384 | 2048 |
| Core clock speed | 1029 MHz | 723 MHz |
| Boost Clock | 1124 MHz | |
| Transistor count | 5,000 million | |
| Manufacturing process technology | 28 nm | 28 nm |
| Texture fill rate | 17.98 | 92.54 |
| Floating-point performance | 863.2 gflops | 2,961 gflops |
| Memory bus width | 64 Bit | 256 Bit |
| Memory clock speed | 2002 MHz | 5000 MHz |
| Memory bandwidth | 16.02 GB/s | 160.0 GB/s |
| Shared memory | - | |
| DirectX | 12 (11_0) | 12 (12_0) |
| Shader Model | 5.1 | 6.3 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.0 |
| Vulkan | 1.1.126 | 1.2.131 |
| CUDA | 5.0 | |
| Laptop size | large | |
| Check Price |