GeForce GT 640M vs GRID K520
When comparing GeForce GT 640M and GRID K520, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between GeForce GT 640M and GRID K520 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
GRID K520
GeForce GT 640M is a Laptop Graphics Card
Note: GeForce GT 640M 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 640M here:
Main Specs
| GeForce GT 640M | GRID K520 | |
| Power consumption (TDP) | 32 Watt | 225 Watt |
| Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Supplementary power connectors | 1x 8-pin | |
| Memory type | DDR3\GDDR5 | GDDR5 |
| Maximum RAM amount | 2 GB | 4 GB |
| Display Connectors | No outputs | No outputs |
| Check Price |
- GRID K520 has 603% more power consumption, than GeForce GT 640M.
- Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
- GRID K520 has 2 GB more memory, than GeForce GT 640M.
- GeForce GT 640M is used in Laptops, and GRID K520 - in Desktops.
- GeForce GT 640M and GRID K520 are build with Kepler architecture.
- GeForce GT 640M and GRID K520 are manufactured by 28 nm process technology.
- Memory clock speed of GRID K520 is 3200 MHz higher, than GeForce GT 640M.
Game benchmarks
| high / 1080p | 0−1 | 16−18 |
| ultra / 1080p | 0−1 | 9−10 |
| QHD / 1440p | 0−1 | 4−5 |
| 4K / 2160p | − | 4−5 |
| low / 720p | 10−12 | 30−35 |
| medium / 1080p | 2−3 | 20−22 |
| The average gaming FPS of GRID K520 in Assassin's Creed Odyssey is 333% more, than GeForce GT 640M. | ||
| high / 1080p | − | 24−27 |
| ultra / 1080p | 3−4 | 21−24 |
| QHD / 1440p | 0−1 | 9−10 |
| 4K / 2160p | − | 6−7 |
| low / 720p | 12−14 | 55−60 |
| medium / 1080p | 4−5 | 27−30 |
| The average gaming FPS of GRID K520 in Battlefield 5 is 414% more, than GeForce GT 640M. | ||
| low / 768p | 50−55 | 45−50 |
| high / 1080p | 45−50 | − |
| QHD / 1440p | 0−1 | 0−1 |
| The average gaming FPS of GeForce GT 640M in Call of Duty: Warzone is 10% more, than GRID K520. | ||
| low / 768p | 110−120 | 210−220 |
| medium / 768p | 85−90 | 180−190 |
| ultra / 1080p | 35−40 | 100−110 |
| QHD / 1440p | − | 55−60 |
| 4K / 2160p | 10−11 | 30−35 |
| high / 768p | 55−60 | 140−150 |
| The average gaming FPS of GRID K520 in Counter-Strike: Global Offensive is 122% more, than GeForce GT 640M. | ||
| low / 768p | 70−75 | 55−60 |
| ultra / 1080p | 12−14 | 40−45 |
| medium / 1080p | 45−50 | 45−50 |
| The average gaming FPS of GRID K520 in Cyberpunk 2077 is 11% more, than GeForce GT 640M. | ||
| low / 768p | 70−75 | 110−120 |
| medium / 768p | 40−45 | 95−100 |
| ultra / 1080p | 18−20 | 65−70 |
| The average gaming FPS of GRID K520 in Dota 2 is 111% more, than GeForce GT 640M. | ||
| high / 1080p | 2−3 | 18−20 |
| ultra / 1080p | 2−3 | 18−20 |
| QHD / 1440p | − | 16−18 |
| 4K / 2160p | 0−1 | 6−7 |
| low / 720p | 9−10 | 40−45 |
| medium / 1080p | 3−4 | 21−24 |
| The average gaming FPS of GRID K520 in Far Cry 5 is 525% more, than GeForce GT 640M. | ||
| high / 1080p | − | 27−30 |
| ultra / 1080p | 5−6 | 21−24 |
| QHD / 1440p | 1−2 | 16−18 |
| low / 720p | 45−50 | 100−110 |
| medium / 1080p | 7−8 | 55−60 |
| The average gaming FPS of GRID K520 in Fortnite is 233% more, than GeForce GT 640M. | ||
| high / 1080p | 2−3 | 27−30 |
| ultra / 1080p | − | 21−24 |
| QHD / 1440p | 0−1 | 10−11 |
| 4K / 2160p | − | 10−11 |
| low / 720p | 14−16 | 55−60 |
| medium / 1080p | 5−6 | 30−35 |
| The average gaming FPS of GRID K520 in Forza Horizon 4 is 457% more, than GeForce GT 640M. | ||
| low / 768p | 40−45 | 90−95 |
| medium / 768p | − | 80−85 |
| high / 1080p | 3−4 | 30−35 |
| ultra / 1080p | 2−3 | 12−14 |
| QHD / 1440p | 0−1 | 4−5 |
| medium / 720p | 30−35 | − |
| The average gaming FPS of GRID K520 in Grand Theft Auto V is 187% more, than GeForce GT 640M. | ||
| high / 1080p | 1−2 | 10−11 |
| ultra / 1080p | 0−1 | 8−9 |
| 4K / 2160p | 0−1 | 3−4 |
| low / 720p | 2−3 | 30−35 |
| medium / 1080p | 2−3 | 14−16 |
| The average gaming FPS of GRID K520 in Metro Exodus is 850% more, than GeForce GT 640M. | ||
| low / 768p | 85−90 | 110−120 |
| high / 1080p | 55−60 | − |
| medium / 1080p | − | 100−110 |
| The average gaming FPS of GRID K520 in Minecraft is 32% more, than GeForce GT 640M. | ||
| high / 1080p | 14−16 | 24−27 |
| ultra / 1080p | 12−14 | 18−20 |
| low / 720p | 24−27 | 60−65 |
| medium / 1080p | 14−16 | 24−27 |
| The average gaming FPS of GRID K520 in PLAYERUNKNOWN'S BATTLEGROUNDS is 94% more, than GeForce GT 640M. | ||
| high / 1080p | − | 14−16 |
| ultra / 1080p | 3−4 | 10−11 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 3−4 | 30−35 |
| medium / 1080p | − | 16−18 |
| The average gaming FPS of GRID K520 in Red Dead Redemption 2 is 600% more, than GeForce GT 640M. | ||
| low / 768p | 7−8 | 60−65 |
| medium / 768p | 6−7 | 35−40 |
| high / 1080p | 3−4 | 20−22 |
| ultra / 1080p | − | 12−14 |
| 4K / 2160p | 0−1 | 8−9 |
| The average gaming FPS of GRID K520 in The Witcher 3: Wild Hunt is 700% more, than GeForce GT 640M. | ||
| low / 768p | 70−75 | 100−110 |
| medium / 768p | 35−40 | 60−65 |
| ultra / 1080p | 12−14 | 35−40 |
| high / 768p | 27−30 | 55−60 |
| The average gaming FPS of GRID K520 in World of Tanks is 75% more, than GeForce GT 640M. | ||
Full Specs
| GeForce GT 640M | GRID K520 | |
| Architecture | Kepler | Kepler |
| Code name | N13P-GS | GK104 |
| Type | Laptop | Workstation |
| Release date | 22 March 2012 | 23 July 2013 |
| Pipelines | 384 | 1536 |
| Core clock speed | 745 MHz | |
| Boost Clock | 645 MHz | |
| Transistor count | 1,270 million | 3,540 million |
| Manufacturing process technology | 28 nm | 28 nm |
| Texture fill rate | 95.36 | |
| Floating-point performance | 480.0 gflops | 2x 2,448 gflops |
| Length | 267 mm | |
| Memory bus width | 128bit | 256 Bit |
| Memory clock speed | 1800 - 4000 MHz | 5000 MHz |
| Memory bandwidth | 160.0 GB/s | |
| Shared memory | - | |
| DirectX | 12 API | 12 (11_0) |
| Shader Model | 5.1 | 5.1 |
| OpenGL | 4.5 | 4.6 |
| OpenCL | 1.1 | 1.2 |
| Vulkan | 1.1.126 | 1.1.126 |
| CUDA | + | 3.0 |
| 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) | 18 Mh/s | 76 Mh/s |
| Laptop size | medium sized | |
| Optimus | + | |
| Check Price |