GeForce 840A vs Radeon R9 M390
Find out if it is worth upgrading your current GPU setup by comparing GeForce 840A and Radeon R9 M390. 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 M390. 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 M390 is a Laptop Graphics Card
Note: Radeon R9 M390 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 M390 here:
Main Specs
| GeForce 840A | Radeon R9 M390 | |
| Power consumption (TDP) | 33 Watt | |
| Interface | PCIe 3.0 x8 | |
| Memory type | DDR3 | GDDR5 |
| Maximum RAM amount | 2 GB | 2 GB |
| Display Connectors | No outputs | |
| Check Price |
- GeForce 840A and Radeon R9 M390 have maximum RAM of 2 GB.
- GeForce 840A is used in Desktops, and Radeon R9 M390 - in Laptops.
- GeForce 840A is build with Maxwell architecture, and Radeon R9 M390 - with GCN.
- GeForce 840A and Radeon R9 M390 are manufactured by 28 nm process technology.
Game benchmarks
| high / 1080p | 3−4 | 18−20 |
| ultra / 1080p | 2−3 | 10−11 |
| QHD / 1440p | 0−1 | 5−6 |
| 4K / 2160p | − | 4−5 |
| low / 720p | 14−16 | 35−40 |
| medium / 1080p | 5−6 | 21−24 |
| The average gaming FPS of Radeon R9 M390 in Assassin's Creed Odyssey is 266% more, than GeForce 840A. | ||
| high / 1080p | − | 27−30 |
| ultra / 1080p | 7−8 | 24−27 |
| QHD / 1440p | 0−1 | 10−12 |
| 4K / 2160p | − | 7−8 |
| low / 720p | 18−20 | 60−65 |
| medium / 1080p | 8−9 | 30−35 |
| The average gaming FPS of Radeon R9 M390 in Battlefield 5 is 263% more, than GeForce 840A. | ||
| low / 768p | 45−50 | 45−50 |
| high / 1080p | 30−35 | − |
| QHD / 1440p | 0−1 | 0−1 |
| GeForce 840A and Radeon R9 M390 have the same average FPS in Call of Duty: Warzone. | ||
| low / 768p | 120−130 | 220−230 |
| medium / 768p | 90−95 | 190−200 |
| ultra / 1080p | 40−45 | 110−120 |
| QHD / 1440p | 24−27 | 65−70 |
| 4K / 2160p | 18−20 | 35−40 |
| high / 768p | 65−70 | 150−160 |
| The average gaming FPS of Radeon R9 M390 in Counter-Strike: Global Offensive is 112% more, than GeForce 840A. | ||
| low / 768p | 80−85 | 55−60 |
| ultra / 1080p | 14−16 | 45−50 |
| medium / 1080p | 40−45 | 45−50 |
| The average gaming FPS of Radeon R9 M390 in Cyberpunk 2077 is 8% more, than GeForce 840A. | ||
| low / 768p | 75−80 | 110−120 |
| medium / 768p | 50−55 | 100−110 |
| ultra / 1080p | 27−30 | 70−75 |
| The average gaming FPS of Radeon R9 M390 in Dota 2 is 86% more, than GeForce 840A. | ||
| high / 1080p | 5−6 | 21−24 |
| ultra / 1080p | − | 18−20 |
| QHD / 1440p | − | 16−18 |
| 4K / 2160p | 2−3 | 7−8 |
| low / 720p | 14−16 | 45−50 |
| medium / 1080p | 6−7 | 21−24 |
| The average gaming FPS of Radeon R9 M390 in Far Cry 5 is 257% more, than GeForce 840A. | ||
| high / 1080p | 12−14 | 27−30 |
| ultra / 1080p | 7−8 | 21−24 |
| QHD / 1440p | − | 16−18 |
| low / 720p | 50−55 | 110−120 |
| medium / 1080p | 14−16 | 60−65 |
| The average gaming FPS of Radeon R9 M390 in Fortnite is 159% more, than GeForce 840A. | ||
| high / 1080p | 7−8 | 30−33 |
| ultra / 1080p | − | 21−24 |
| QHD / 1440p | 0−1 | 12−14 |
| 4K / 2160p | − | 10−12 |
| low / 720p | 20−22 | 60−65 |
| medium / 1080p | 9−10 | 30−35 |
| The average gaming FPS of Radeon R9 M390 in Forza Horizon 4 is 250% more, than GeForce 840A. | ||
| low / 768p | 45−50 | 95−100 |
| medium / 768p | − | 85−90 |
| high / 1080p | 8−9 | 35−40 |
| ultra / 1080p | 5−6 | 14−16 |
| QHD / 1440p | 0−1 | 5−6 |
| medium / 720p | 40−45 | − |
| The average gaming FPS of Radeon R9 M390 in Grand Theft Auto V is 150% more, than GeForce 840A. | ||
| high / 1080p | 3−4 | 10−12 |
| ultra / 1080p | 1−2 | 9−10 |
| 4K / 2160p | 0−1 | 3−4 |
| low / 720p | 8−9 | 35−40 |
| medium / 1080p | 4−5 | 14−16 |
| The average gaming FPS of Radeon R9 M390 in Metro Exodus is 350% more, than GeForce 840A. | ||
| low / 768p | 85−90 | 110−120 |
| high / 1080p | 85−90 | − |
| ultra / 1080p | 80−85 | − |
| medium / 1080p | 85−90 | 110−120 |
| The average gaming FPS of Radeon R9 M390 in Minecraft is 32% more, than GeForce 840A. | ||
| high / 1080p | − | 24−27 |
| ultra / 1080p | 12−14 | 18−20 |
| low / 720p | 27−30 | 65−70 |
| medium / 1080p | 14−16 | 27−30 |
| The average gaming FPS of Radeon R9 M390 in PLAYERUNKNOWN'S BATTLEGROUNDS is 111% more, than GeForce 840A. | ||
| high / 1080p | − | 14−16 |
| ultra / 1080p | 7−8 | 10−11 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 8−9 | 30−35 |
| medium / 1080p | − | 18−20 |
| The average gaming FPS of Radeon R9 M390 in Red Dead Redemption 2 is 162% more, than GeForce 840A. | ||
| low / 768p | 16−18 | 65−70 |
| medium / 768p | 12−14 | 40−45 |
| high / 1080p | 6−7 | 21−24 |
| ultra / 1080p | 5−6 | 12−14 |
| 4K / 2160p | − | 9−10 |
| The average gaming FPS of Radeon R9 M390 in The Witcher 3: Wild Hunt is 260% more, than GeForce 840A. | ||
| low / 768p | 70−75 | 100−110 |
| medium / 768p | 35−40 | 65−70 |
| ultra / 1080p | 16−18 | 35−40 |
| high / 768p | 30−35 | 55−60 |
| The average gaming FPS of Radeon R9 M390 in World of Tanks is 69% more, than GeForce 840A. | ||
Full Specs
| GeForce 840A | Radeon R9 M390 | |
| Architecture | Maxwell | GCN |
| Code name | GM108 | Pitcairn |
| Type | Desktop | Laptop |
| Release date | 17 March 2014 | 9 June 2015 |
| Pipelines | 384 | 1024 |
| Core clock speed | 1029 MHz | |
| Boost Clock | 1124 MHz | |
| Transistor count | 5000 Million | |
| Manufacturing process technology | 28 nm | 28 nm |
| Texture fill rate | 17.98 | |
| Floating-point performance | 863.2 gflops | |
| Memory bus width | 64 Bit | 256 Bit |
| Memory clock speed | 2002 MHz | |
| Memory bandwidth | 16.02 GB/s | |
| Shared memory | - | |
| DirectX | 12 (11_0) | |
| Shader Model | 5.1 | |
| OpenGL | 4.6 | 4.4 |
| OpenCL | 1.2 | Not Listed |
| Vulkan | 1.1.126 | |
| CUDA | 5.0 | |
| FreeSync | + | |
| Bus support | PCIe 3.0 | |
| Bitcoin / BTC (SHA256) | 242 Mh/s | |
| Laptop size | large | |
| Eyefinity | + | |
| HD3D | + | |
| PowerTune | + | |
| DualGraphics | + | |
| ZeroCore | + | |
| Switchable graphics | + | |
| Mantle | + | |
| Check Price |