GeForce 945A vs GeForce GTX 660M
If you are going to buy a new graphics card and are choosing between GeForce 945A and GeForce GTX 660M, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the GeForce 945A stacks up against GeForce GTX 660M, check out specs charts below.
GeForce 945A
GeForce GTX 660M is a Laptop Graphics Card
Note: GeForce GTX 660M 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 660M here:
Main Specs
| GeForce 945A | GeForce GTX 660M | |
| Power consumption (TDP) | 33 Watt | 50 Watt |
| Interface | PCIe 3.0 x8 | MXM-B (3.0) |
| Memory type | GDDR5 | GDDR5 |
| Maximum RAM amount | 1 GB | 2 GB |
| Display Connectors | No outputs | No outputs |
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- GeForce GTX 660M has 51% more power consumption, than GeForce 945A.
- GeForce 945A is connected by PCIe 3.0 x8, and GeForce GTX 660M uses MXM-B (3.0) interface.
- GeForce GTX 660M has 1 GB more memory, than GeForce 945A.
- GeForce 945A is used in Desktops, and GeForce GTX 660M - in Laptops.
- GeForce 945A is build with Maxwell architecture, and GeForce GTX 660M - with Kepler.
- Core clock speed of GeForce 945A is 237 MHz higher, than GeForce GTX 660M.
- GeForce 945A and GeForce GTX 660M are manufactured by 28 nm process technology.
- Memory clock speed of GeForce 945A is 3012 MHz higher, than GeForce GTX 660M.
Game benchmarks
| high / 1080p | 9−10 | 6−7 |
| ultra / 1080p | 5−6 | 4−5 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 20−22 | 16−18 |
| medium / 1080p | 10−12 | 8−9 |
| The average gaming FPS of GeForce 945A in Assassin's Creed Odyssey is 22% more, than GeForce GTX 660M. | ||
| high / 1080p | 14−16 | 12−14 |
| ultra / 1080p | 12−14 | 10−11 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 30−35 | 24−27 |
| medium / 1080p | 16−18 | 12−14 |
| The average gaming FPS of GeForce 945A in Battlefield 5 is 26% more, than GeForce GTX 660M. | ||
| low / 768p | 45−50 | 45−50 |
| high / 1080p | 45−50 | 45−50 |
| QHD / 1440p | 0−1 | 0−1 |
| GeForce 945A and GeForce GTX 660M have the same average FPS in Call of Duty: Warzone. | ||
| low / 768p | 160−170 | 130−140 |
| medium / 768p | 130−140 | 110−120 |
| ultra / 1080p | 65−70 | 50−55 |
| QHD / 1440p | 35−40 | 27−30 |
| 4K / 2160p | 27−30 | 27−30 |
| high / 768p | 95−100 | 80−85 |
| The average gaming FPS of GeForce 945A in Counter-Strike: Global Offensive is 20% more, than GeForce GTX 660M. | ||
| low / 768p | 55−60 | 55−60 |
| ultra / 1080p | 24−27 | 18−20 |
| medium / 1080p | 45−50 | 45−50 |
| The average gaming FPS of GeForce 945A in Cyberpunk 2077 is 4% more, than GeForce GTX 660M. | ||
| low / 768p | 90−95 | 80−85 |
| medium / 768p | 70−75 | 55−60 |
| ultra / 1080p | 40−45 | 30−35 |
| The average gaming FPS of GeForce 945A in Dota 2 is 21% more, than GeForce GTX 660M. | ||
| high / 1080p | 10−11 | 8−9 |
| ultra / 1080p | 10−11 | 7−8 |
| 4K / 2160p | 4−5 | 3−4 |
| low / 720p | 24−27 | 18−20 |
| medium / 1080p | 10−12 | 8−9 |
| The average gaming FPS of GeForce 945A in Far Cry 5 is 33% more, than GeForce GTX 660M. | ||
| high / 1080p | 16−18 | 14−16 |
| ultra / 1080p | 12−14 | 10−11 |
| low / 720p | 70−75 | 60−65 |
| medium / 1080p | 30−35 | 21−24 |
| The average gaming FPS of GeForce 945A in Fortnite is 22% more, than GeForce GTX 660M. | ||
| high / 1080p | 14−16 | 12−14 |
| ultra / 1080p | 12−14 | 10−12 |
| QHD / 1440p | 3−4 | 1−2 |
| low / 720p | 30−35 | 24−27 |
| medium / 1080p | 18−20 | 14−16 |
| The average gaming FPS of GeForce 945A in Forza Horizon 4 is 23% more, than GeForce GTX 660M. | ||
| low / 768p | 60−65 | 50−55 |
| medium / 768p | 50−55 | 45−50 |
| high / 1080p | 16−18 | 12−14 |
| ultra / 1080p | 8−9 | 6−7 |
| QHD / 1440p | 0−1 | 0−1 |
| The average gaming FPS of GeForce 945A in Grand Theft Auto V is 20% more, than GeForce GTX 660M. | ||
| high / 1080p | 6−7 | 4−5 |
| ultra / 1080p | 4−5 | 3−4 |
| 4K / 2160p | 1−2 | 0−1 |
| low / 720p | 16−18 | 12−14 |
| medium / 1080p | 8−9 | 6−7 |
| The average gaming FPS of GeForce 945A in Metro Exodus is 50% more, than GeForce GTX 660M. | ||
| low / 768p | 100−105 | 95−100 |
| high / 1080p | 95−100 | 90−95 |
| ultra / 1080p | 85−90 | 80−85 |
| medium / 1080p | 95−100 | 90−95 |
| The average gaming FPS of GeForce 945A in Minecraft is 5% more, than GeForce GTX 660M. | ||
| high / 1080p | 18−20 | 16−18 |
| ultra / 1080p | 14−16 | 14−16 |
| low / 720p | 35−40 | 30−35 |
| medium / 1080p | 18−20 | 18−20 |
| The average gaming FPS of GeForce 945A in PLAYERUNKNOWN'S BATTLEGROUNDS is 10% more, than GeForce GTX 660M. | ||
| high / 1080p | 12−14 | − |
| ultra / 1080p | 8−9 | 7−8 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 16−18 | 12−14 |
| medium / 1080p | 12−14 | 10−12 |
| The average gaming FPS of GeForce 945A in Red Dead Redemption 2 is 20% more, than GeForce GTX 660M. | ||
| low / 768p | 30−35 | 24−27 |
| medium / 768p | 21−24 | 16−18 |
| high / 1080p | 10−12 | 9−10 |
| ultra / 1080p | 7−8 | 6−7 |
| 4K / 2160p | 6−7 | 6−7 |
| The average gaming FPS of GeForce 945A in The Witcher 3: Wild Hunt is 23% more, than GeForce GTX 660M. | ||
| low / 768p | 90−95 | 85−90 |
| medium / 768p | 50−55 | 45−50 |
| ultra / 1080p | 24−27 | 18−20 |
| high / 768p | 40−45 | 35−40 |
| The average gaming FPS of GeForce 945A in World of Tanks is 12% more, than GeForce GTX 660M. | ||
Full Specs
| GeForce 945A | GeForce GTX 660M | |
| Architecture | Maxwell | Kepler |
| Code name | GM108 | N13E-GE |
| Type | Desktop | Laptop |
| Release date | 13 March 2015 | 22 March 2012 |
| Pipelines | 384 | 384 |
| Core clock speed | 1072 MHz | 835 MHz |
| Boost Clock | 1189 MHz | 950 MHz |
| Transistor count | 1,270 million | |
| Manufacturing process technology | 28 nm | 28 nm |
| Texture fill rate | 28.54 | 30.4 billion/sec |
| Floating-point performance | 903.2 gflops | 729.6 gflops |
| Memory bus width | 64 Bit | 128bit |
| Memory clock speed | 5012 MHz | 2000 MHz |
| Memory bandwidth | 40.1 GB/s | 64.0 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 | 384 | |
| Bus support | PCI Express 2.0, PCI Express 3.0 | |
| SLI options | + | |
| HDMI | + | |
| HDCP | + | |
| Maximum VGA resolution | Up to 2048x1536 | |
| Bitcoin / BTC (SHA256) | 108 Mh/s | 36 Mh/s |
| Laptop size | large | |
| Optimus | + | |
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