GeForce 720A vs GeForce GT 645M
Find out if it is worth upgrading your current GPU setup by comparing GeForce 720A and GeForce GT 645M. 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 720A and GeForce GT 645M. 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 720A
GeForce GT 645M is a Laptop Graphics Card
Note: GeForce GT 645M 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 GT 645M here:
Main Specs
| GeForce 720A | GeForce GT 645M | |
| Power consumption (TDP) | 33 Watt | 32 Watt |
| Interface | PCIe 2.0 x16 | PCIe 3.0 x16 |
| Memory type | DDR3 | DDR3\GDDR5 |
| Maximum RAM amount | 1 GB | 2 GB |
| Display Connectors | No outputs | No outputs |
| Check Price |
- GeForce 720A has 3% more power consumption, than GeForce GT 645M.
- GeForce 720A is connected by PCIe 2.0 x16, and GeForce GT 645M uses PCIe 3.0 x16 interface.
- GeForce GT 645M has 1 GB more memory, than GeForce 720A.
- GeForce 720A is used in Desktops, and GeForce GT 645M - in Laptops.
- GeForce 720A is build with Fermi 2.0 architecture, and GeForce GT 645M - with Kepler.
- GeForce 720A and GeForce GT 645M are manufactured by 28 nm process technology.
- Memory clock speed of GeForce 720A is 200 MHz higher, than GeForce GT 645M.
Game benchmarks
| high / 1080p | 0−1 | 1−2 |
| ultra / 1080p | − | 0−1 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 1−2 | 12−14 |
| medium / 1080p | 0−1 | 2−3 |
| The average gaming FPS of GeForce GT 645M in Assassin's Creed Odyssey is 1200% more, than GeForce 720A. | ||
| ultra / 1080p | − | 3−4 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 0−1 | 12−14 |
| medium / 1080p | − | 4−5 |
| low / 768p | 50−55 | 50−55 |
| high / 1080p | 45−50 | 45−50 |
| QHD / 1440p | 0−1 | 0−1 |
| GeForce 720A and GeForce GT 645M have the same average FPS in Call of Duty: Warzone. | ||
| low / 768p | 60−65 | 110−120 |
| medium / 768p | 27−30 | 85−90 |
| ultra / 1080p | 7−8 | 35−40 |
| 4K / 2160p | − | 10−11 |
| high / 768p | 16−18 | 60−65 |
| The average gaming FPS of GeForce GT 645M in Counter-Strike: Global Offensive is 167% more, than GeForce 720A. | ||
| low / 768p | 70−75 | 70−75 |
| ultra / 1080p | 0−1 | 14−16 |
| medium / 1080p | 45−50 | 45−50 |
| GeForce 720A and GeForce GT 645M have the same average FPS in Cyberpunk 2077. | ||
| low / 768p | 45−50 | 70−75 |
| medium / 768p | 10−11 | 45−50 |
| ultra / 1080p | 0−1 | 18−20 |
| The average gaming FPS of GeForce GT 645M in Dota 2 is 106% more, than GeForce 720A. | ||
| high / 1080p | − | 2−3 |
| ultra / 1080p | − | 2−3 |
| 4K / 2160p | − | 0−1 |
| low / 720p | 0−1 | 10−11 |
| medium / 1080p | − | 3−4 |
| ultra / 1080p | − | 5−6 |
| QHD / 1440p | − | 1−2 |
| low / 720p | 21−24 | 45−50 |
| medium / 1080p | 0−1 | 8−9 |
| The average gaming FPS of GeForce GT 645M in Fortnite is 113% more, than GeForce 720A. | ||
| high / 1080p | 0−1 | 3−4 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 0−1 | 14−16 |
| medium / 1080p | 0−1 | 6−7 |
| low / 768p | 18−20 | 40−45 |
| high / 1080p | 0−1 | 3−4 |
| ultra / 1080p | − | 2−3 |
| QHD / 1440p | 0−1 | 0−1 |
| medium / 720p | 12−14 | 35−40 |
| The average gaming FPS of GeForce GT 645M in Grand Theft Auto V is 150% more, than GeForce 720A. | ||
| high / 1080p | − | 1−2 |
| ultra / 1080p | − | 0−1 |
| 4K / 2160p | − | 0−1 |
| low / 720p | 0−1 | 3−4 |
| medium / 1080p | − | 2−3 |
| low / 768p | 75−80 | 85−90 |
| high / 1080p | 27−30 | 55−60 |
| The average gaming FPS of GeForce GT 645M in Minecraft is 35% more, than GeForce 720A. | ||
| high / 1080p | − | 14−16 |
| ultra / 1080p | − | 12−14 |
| low / 720p | 8−9 | 24−27 |
| medium / 1080p | − | 14−16 |
| The average gaming FPS of GeForce GT 645M in PLAYERUNKNOWN'S BATTLEGROUNDS is 212% more, than GeForce 720A. | ||
| ultra / 1080p | − | 3−4 |
| QHD / 1440p | − | 0−1 |
| low / 720p | 0−1 | 4−5 |
| low / 768p | 0−1 | 8−9 |
| medium / 768p | − | 7−8 |
| high / 1080p | − | 3−4 |
| ultra / 1080p | − | 3−4 |
| 4K / 2160p | − | 0−1 |
| low / 768p | 45−50 | 70−75 |
| medium / 768p | 14−16 | 35−40 |
| ultra / 1080p | 0−1 | 12−14 |
| high / 768p | 12−14 | 30−33 |
| The average gaming FPS of GeForce GT 645M in World of Tanks is 88% more, than GeForce 720A. | ||
Full Specs
| GeForce 720A | GeForce GT 645M | |
| Architecture | Fermi 2.0 | Kepler |
| Code name | GF117 | N13P-GS |
| Type | Desktop | Laptop |
| Release date | 1 July 2014 | 22 March 2012 |
| Pipelines | 96 | 384 |
| Core clock speed | 775 MHz | |
| Boost Clock | 938 MHz | |
| Transistor count | 585 million | 1,270 million |
| Manufacturing process technology | 28 nm | 28 nm |
| Texture fill rate | 15.01 | 22.7 billion/sec |
| Floating-point performance | 360.2 gflops | 544.5 gflops |
| Memory bus width | 64 Bit | 128bit |
| Memory clock speed | 2000 MHz | 1800 MHz |
| Memory bandwidth | 16 GB/s | |
| Shared memory | - | |
| DirectX | 12 (11_0) | 12 API |
| Shader Model | 5.1 | 5.1 |
| OpenGL | 4.6 | 4.5 |
| OpenCL | 1.1 | 1.1 |
| Vulkan | N/A | 1.1.126 |
| CUDA | 2.1 | + |
| CUDA cores | 384 | |
| Bus support | PCI Express 2.0, PCI Express 3.0 | |
| HDMI | + | |
| HDCP | + | |
| Maximum VGA resolution | Up to 2048x1536 | |
| 3D Blu-Ray | + | |
| Bitcoin / BTC (SHA256) | 19 Mh/s | |
| Laptop size | medium sized | |
| Optimus | + | |
| Check Price |
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