GeForce 840A vs GeForce GTX 780M
Find out if it is worth upgrading your current GPU setup by comparing GeForce 840A and GeForce GTX 780M. 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 GeForce GTX 780M. 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
GeForce GTX 780M is a Laptop Graphics Card
Note: GeForce GTX 780M 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 GeForce GTX 780M here:
Main Specs
| GeForce 840A | GeForce GTX 780M | |
| Power consumption (TDP) | 33 Watt | 122 Watt |
| Interface | PCIe 3.0 x8 | MXM-B (3.0) |
| Supplementary power connectors | None | |
| Memory type | DDR3 | GDDR5 |
| Maximum RAM amount | 2 GB | 4 GB |
| Display Connectors | No outputs | No outputs |
| Check Price |
- GeForce GTX 780M has 269% more power consumption, than GeForce 840A.
- GeForce 840A is connected by PCIe 3.0 x8, and GeForce GTX 780M uses MXM-B (3.0) interface.
- GeForce GTX 780M has 2 GB more memory, than GeForce 840A.
- GeForce 840A is used in Desktops, and GeForce GTX 780M - in Laptops.
- GeForce 840A is build with Maxwell architecture, and GeForce GTX 780M - with Kepler.
- Core clock speed of GeForce 840A is 206 MHz higher, than GeForce GTX 780M.
- GeForce 840A and GeForce GTX 780M are manufactured by 28 nm process technology.
- Memory clock speed of GeForce GTX 780M is 498 MHz higher, than GeForce 840A.
Game benchmarks
| high / 1080p | 3−4 | 20−22 |
| ultra / 1080p | 2−3 | 12−14 |
| QHD / 1440p | 0−1 | 6−7 |
| 4K / 2160p | − | 5−6 |
| low / 720p | 14−16 | 40−45 |
| medium / 1080p | 5−6 | 24−27 |
| The average gaming FPS of GeForce GTX 780M in Assassin's Creed Odyssey is 316% more, than GeForce 840A. | ||
| high / 1080p | − | 30−35 |
| ultra / 1080p | 7−8 | 27−30 |
| QHD / 1440p | 0−1 | 12−14 |
| 4K / 2160p | − | 8−9 |
| low / 720p | 18−20 | 65−70 |
| medium / 1080p | 8−9 | 35−40 |
| The average gaming FPS of GeForce GTX 780M in Battlefield 5 is 300% 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 GeForce GTX 780M in Call of Duty: Warzone is 10% more, than GeForce 840A. | ||
| low / 768p | 120−130 | 230−240 |
| medium / 768p | 90−95 | 200−210 |
| ultra / 1080p | 40−45 | 120−130 |
| QHD / 1440p | 24−27 | 90−95 |
| 4K / 2160p | 18−20 | 50−55 |
| high / 768p | 65−70 | 170−180 |
| The average gaming FPS of GeForce GTX 780M in Counter-Strike: Global Offensive is 137% more, than GeForce 840A. | ||
| low / 768p | 80−85 | 60−65 |
| ultra / 1080p | 14−16 | 50−55 |
| medium / 1080p | 40−45 | 55−60 |
| The average gaming FPS of GeForce GTX 780M in Cyberpunk 2077 is 23% more, than GeForce 840A. | ||
| low / 768p | 75−80 | 120−130 |
| medium / 768p | 50−55 | 100−110 |
| ultra / 1080p | 27−30 | 80−85 |
| The average gaming FPS of GeForce GTX 780M in Dota 2 is 100% more, than GeForce 840A. | ||
| high / 1080p | 5−6 | 24−27 |
| ultra / 1080p | − | 21−24 |
| QHD / 1440p | − | 18−20 |
| 4K / 2160p | 2−3 | 8−9 |
| low / 720p | 14−16 | 50−55 |
| medium / 1080p | 6−7 | 27−30 |
| The average gaming FPS of GeForce GTX 780M in Far Cry 5 is 300% more, than GeForce 840A. | ||
| high / 1080p | 12−14 | 30−35 |
| ultra / 1080p | 7−8 | 24−27 |
| QHD / 1440p | − | 16−18 |
| low / 720p | 50−55 | 120−130 |
| medium / 1080p | 14−16 | 70−75 |
| The average gaming FPS of GeForce GTX 780M in Fortnite is 186% more, than GeForce 840A. | ||
| high / 1080p | 7−8 | 35−40 |
| ultra / 1080p | − | 24−27 |
| QHD / 1440p | 0−1 | 14−16 |
| 4K / 2160p | − | 12−14 |
| low / 720p | 20−22 | 70−75 |
| medium / 1080p | 9−10 | 35−40 |
| The average gaming FPS of GeForce GTX 780M in Forza Horizon 4 is 308% more, than GeForce 840A. | ||
| low / 768p | 45−50 | 100−110 |
| medium / 768p | − | 90−95 |
| high / 1080p | 8−9 | 40−45 |
| ultra / 1080p | 5−6 | 16−18 |
| QHD / 1440p | 0−1 | 7−8 |
| medium / 720p | 40−45 | − |
| The average gaming FPS of GeForce GTX 780M in Grand Theft Auto V is 170% more, than GeForce 840A. | ||
| high / 1080p | 3−4 | 12−14 |
| ultra / 1080p | 1−2 | 10−11 |
| QHD / 1440p | − | 10−11 |
| 4K / 2160p | 0−1 | 3−4 |
| low / 720p | 8−9 | 40−45 |
| medium / 1080p | 4−5 | 18−20 |
| The average gaming FPS of GeForce GTX 780M in Metro Exodus is 425% 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 GeForce GTX 780M in Minecraft is 37% more, than GeForce 840A. | ||
| ultra / 1080p | 12−14 | 14−16 |
| low / 720p | 27−30 | 70−75 |
| medium / 1080p | 14−16 | 18−20 |
| The average gaming FPS of GeForce GTX 780M in PLAYERUNKNOWN'S BATTLEGROUNDS is 94% more, than GeForce 840A. | ||
| high / 1080p | − | 14−16 |
| ultra / 1080p | 7−8 | 10−11 |
| QHD / 1440p | 0−1 | 1−2 |
| 4K / 2160p | − | 1−2 |
| low / 720p | 8−9 | 40−45 |
| medium / 1080p | − | 21−24 |
| The average gaming FPS of GeForce GTX 780M in Red Dead Redemption 2 is 225% more, than GeForce 840A. | ||
| low / 768p | 16−18 | 75−80 |
| medium / 768p | 12−14 | 45−50 |
| high / 1080p | 6−7 | 24−27 |
| ultra / 1080p | 5−6 | 14−16 |
| 4K / 2160p | − | 8−9 |
| The average gaming FPS of GeForce GTX 780M in The Witcher 3: Wild Hunt is 310% more, than GeForce 840A. | ||
| low / 768p | 70−75 | 90−95 |
| medium / 768p | 35−40 | 60−65 |
| ultra / 1080p | 16−18 | 40−45 |
| high / 768p | 30−35 | 55−60 |
| The average gaming FPS of GeForce GTX 780M in World of Tanks is 61% more, than GeForce 840A. | ||
Full Specs
| GeForce 840A | GeForce GTX 780M | |
| Architecture | Maxwell | Kepler |
| Code name | GM108 | N14E-GTX |
| Type | Desktop | Laptop |
| Release date | 17 March 2014 | 30 May 2013 |
| Pipelines | 384 | 1536 |
| Core clock speed | 1029 MHz | 823 MHz |
| Boost Clock | 1124 MHz | 797 MHz |
| Transistor count | 3,540 million | |
| Manufacturing process technology | 28 nm | 28 nm |
| Texture fill rate | 17.98 | 102.0 |
| Floating-point performance | 863.2 gflops | 2,448 gflops |
| Memory bus width | 64 Bit | 256 Bit |
| Memory clock speed | 2002 MHz | 2500 MHz |
| Memory bandwidth | 16.02 GB/s | 160.0 GB/s |
| Shared memory | - | |
| DirectX | 12 (11_0) | 12 API |
| Shader Model | 5.1 | 5.1 |
| OpenGL | 4.6 | 4.5 |
| OpenCL | 1.2 | 1.1 |
| Vulkan | 1.1.126 | 1.1.126 |
| CUDA | 5.0 | + |
| CUDA cores | 1536 | |
| Bus support | PCI Express 3.0, PCI Express 2.0 | |
| SLI options | + | |
| HDMI | + | |
| Bitcoin / BTC (SHA256) | 82 Mh/s | |
| Laptop size | large | |
| Standard memory configuration | GDDR5 | |
| eDP 1.2 signal support | Up to 3840x2160 | |
| LVDS signal support | Up to 1920x1200 | |
| DisplayPort Multimode (DP++) support | Up to 3840x2160 | |
| HDCP content protection | + | |
| 7.1 channel HD audio on HDMI | + | |
| TrueHD and DTS-HD audio bitstreaming | + | |
| H.264, VC1, MPEG2 1080p video decoder | + | |
| Optimus | + | |
| Blu-Ray 3D Support | + | |
| 3D Vision / 3DTV Play | + | |
| Check Price |