NVIDIA GeForce GT 640M LE vs NVIDIA GeForce GTX 1660 Ti Mobile
The GeForce GTX 1660 Ti Mobile has 1,498% better performance than the GeForce GT 640M LE for the 3DMark 11 Performance GPU benchmark.
We do not have any performance per dollar data for the GeForce GT 640M LE and the GeForce GTX 1660 Ti Mobile for the 3DMark 11 Performance GPU benchmark.
Summary
About the NVIDIA GeForce GT 640M LE GPU
The NVIDIA GeForce GT 640M LE is an end-of-life mobile graphics card that released in Q1 2012. It is built on the Kepler GPU microarchitecture (codename GK107) and is manufactured on a 28 nm process.
Memory
The GT 640M LE has 1,024 MB of DDR3 memory, with a 900 MHz memory clock and a 128 bit interface. This gives it a memory bandwidth of 28.8 Gb/s, which affects how fast it can transfer data to and from memory. GPU memory stores temporary data that helps the GPU with complex math and graphics operations. More memory is generally better, as not having enough can cause performance bottlenecks.
Cores and Clock Speeds
The GT 640M LE includes 384 CUDA cores, the processing units for handling parallel computing tasks. The GPU operates at a core clock speed of 500 MHz and can dynamically boost its clock speed up to 570 MHz. Complementing the processing units are 32 texture mapping units (TMUs) for efficient texture filtering and 16 render output units (ROPs) for pixel processing.
Compatibility & Power Consumption
The GPU has a thermal design power (TDP) of 20 W. A power supply not strong enough to handle this might result in system crashes and potentially damage your hardware.
Benchmark Performance
The GT 640M LE has the 428th best 3DMark 11 Performance GPU score among the 543 benchmarked GPUs in our database. It achieves 1.20% of the performance of the best benchmarked GPU, the NVIDIA GeForce RTX 4090.
About the NVIDIA GeForce GTX 1660 Ti Mobile GPU
The NVIDIA GeForce GTX 1660 Ti Mobile is a mobile graphics card that launched in Q2 2019. It is built on the Turing GPU microarchitecture (codename TU116) and is manufactured on a 12 nm process.
Memory
The GTX 1660 Ti Mobile has 6 GB of GDDR6 memory, with a 1,500 MHz memory clock and a 192 bit interface. This gives it a memory bandwidth of 288 Gb/s, which affects how fast it can transfer data to and from memory. GPU memory stores temporary data that helps the GPU with complex math and graphics operations. More memory is generally better, as not having enough can cause performance bottlenecks.
Cores and Clock Speeds
The GTX 1660 Ti Mobile includes 1,536 CUDA cores, the processing units for handling parallel computing tasks. The GPU operates at a core clock speed of 1,455 MHz and can dynamically boost its clock speed up to 1,590 MHz. Complementing the processing units are 96 texture mapping units (TMUs) for efficient texture filtering and 48 render output units (ROPs) for pixel processing.
Compatibility & Power Consumption
The GPU has a thermal design power (TDP) of 80 W. A power supply not strong enough to handle this might result in system crashes and potentially damage your hardware.
Benchmark Performance
The GTX 1660 Ti Mobile has the 110th best 3DMark 11 Performance GPU score among the 543 benchmarked GPUs in our database. It achieves 19.21% of the performance of the best benchmarked GPU, the NVIDIA GeForce RTX 4090.
General Info
General overview of the GPU, including details like its manufacturer, release date, launch price, and current production status.
| Info | GeForce GT 640M LE | GeForce GTX 1660 Ti Mobile |
|---|---|---|
| Manufacturer | NVIDIA | NVIDIA |
| Architecture | Kepler | Turing |
| Market Segment | Mobile | Mobile |
| Release Date | Q1 2012 | Q2 2019 |
| Production Status | End-of-life | Active |
| Shop | Check Price | Check Price |
Gaming Performance
Select a game to compare FPS metrics
FPS Benchmarks
This table showcases the average frame rate (FPS) achieved both GPUs in at various resolutions. Frame rate is a crucial indicator of how smoothly the GPU can run the game. A higher FPS generally translates to a smoother gameplay experience.
- Frames Per Second
Sons of the Forest | GeForce GT 640M LE | GeForce GTX 1660 Ti Mobile |
|---|---|---|
| Low - 1080p | -- | 73 FPS |
| Medium - 1080p | -- | 56 FPS |
| High - 1080p | -- | 55 FPS |
| Ultra - 1080p | -- | 54 FPS |
| QHD - 1440p | -- | -- |
| 4K UHD - 2160p | -- | -- |
Compare Frames Per Second (FPS)
The average frame rate (FPS) in can be compared to similar GPUs to assess relative performance. Generally, higher FPS results in a smoother gameplay experience.
| GPU | Frames Per Second | |
|---|---|---|
| Radeon RX 7600M XT | 92 | +70% |
| Radeon RX 6600M | 69 | +28% |
| GeForce RTX 3060 Mobile | 65.4 | +21% |
| Radeon RX 7600M | 61.3 | +14% |
| GeForce GTX 1660 Ti Mobile | 54 | |
| Radeon RX 5500M | 34.5 | -36% |
| GeForce GTX 1060 Mobile | 33.9 | -37% |
| GeForce RTX 3050 Ti Mobile | 33.3 | -38% |
| Arc A730M | 33 | -39% |
| GeForce RTX 2050 Mobile | 33 | -39% |
Compare Cost Per Frame
The average cost per frame in can be compared to similar GPUs to assess relative value. Generally, a lower cost per frame implies better value for your money.
| GPU | Cost Per Frame | |
|---|---|---|
| Our database does not have enough data to compare the FPS per dollar with other GPUs. | ||
Benchmark Performance
The GeForce GTX 1660 Ti Mobile has 1,498% better performance than the GeForce GT 640M LE for the 3DMark 11 Performance GPU benchmark.
The GeForce GT 640M LE is ranked 428th with a score of 1,259, and the GeForce GTX 1660 Ti Mobile is ranked 110th with a score of 20,118.5.
We do not have any performance per dollar data for the GeForce GT 640M LE and the GeForce GTX 1660 Ti Mobile for the 3DMark 11 Performance GPU benchmark.
Relative Performance
The average score in the benchmark test can be compared to similar GPUs to assess relative performance. Generally, powerful GPUs tend to have higher scores.
| GPU | Benchmark Performance | |
|---|---|---|
| GeForce RTX 2070 Max-Q | 22,089 | +1,654% |
| GeForce RTX 2060 Mobile | 21,261.5 | +1,589% |
| GeForce GTX 1660 Ti Mobile | 20,118.5 | +1,498% |
| Quadro RTX 3000 Mobile | 19,878.5 | +1,479% |
| GeForce RTX 2060 Max-Q | 19,778.5 | +1,471% |
| GeForce 820M | 1,266.5 | +1% |
| Quadro 2000M | 1,261 | +0% |
| GeForce GT 640M LE | 1,259 | |
| Radeon HD 8570M | 1,255 | -0% |
| GeForce GT 720M | 1,213 | -4% |
Relative Value For Money
The average performance per dollar in the benchmark test can be compared to similar GPUs to assess relative value. A higher score implies a better value for your money.
| GPU | Performance Per Dollar | ||
|---|---|---|---|
| Our database does not have enough data to compare the benchmark performance per dollar with other GPUs. | |||
Benchmark Scores
This table showcases the average performance scores achieved by both GPUs across industry-standard benchmark tests. These scores provide a valuable insight into overall performance. Powerful GPUs tend to have higher scores.
- Popular
| Benchmark | GeForce GT 640M LE | GeForce GTX 1660 Ti Mobile |
|---|---|---|
| 3DMark Time Spy Graphics | -- | 5,659 |
| 3DMark Time Spy Score | -- | 5,697 |
| 3DMark Cloud Gate Graphics | -- | 97,517 |
| 3DMark Fire Strike Standard Graphics | -- | 14,818 |
| 3DMark Night Raid Graphics | -- | 66,325 |
| 3DMark 11 Performance Score | 1,385 | 17,351 (+1,152.78%) |
| Cinebench R15 OpenGL 64 Bit | -- | 120.6 |
| PassMark G3D Mark | 702 | 10,179 (+1,350%) |
| PassMark G2D Mark | 170 | 480 (+182.35%) |
Technical Specs
Graphics Processor
General information about the graphics processing unit like their architecture, manufacturing process size, and transistor count. Newer GPU architectures generally bring efficiency improvements and may introduce technologies that enhance graphical capabilities.
| Spec | GeForce GT 640M LE | GeForce GTX 1660 Ti Mobile |
|---|---|---|
| Codename | GK107 | TU116 |
| Architecture | Kepler | Turing |
| Process Size | 28 nm | 12 nm |
| Transistors | 1,270 million | 6,600 million |
Memory Details
Memory specifications like their capacity, bandwidth, and clock speeds. GPU memory stores graphics data like frames, textures, and shadows which helps display rendered images. These specs are crucial for graphics-intense applications like gaming and 3D modeling.
| Spec | GeForce GT 640M LE | GeForce GTX 1660 Ti Mobile |
|---|---|---|
| Memory Size | 1,024 MB | 6 GB |
| Memory Type | DDR3 | GDDR6 |
| Memory Bandwidth | 28.8 Gb/s | 288 Gb/s |
| Memory Clock | 900 MHz | 1,500 MHz |
| Memory Interface | 128 bit | 192 bit |
| L1 Cache | 16 KB | 64 KB |
| L2 Cache | 256 KB | 1,536 KB |
Board Compatibility
Compatibility information like their slot size, bus interface, power consumption, and display support. These specs are useful for verifying compatibility with your motherboard, power supply, and monitor.
| Spec | GeForce GT 640M LE | GeForce GTX 1660 Ti Mobile |
|---|---|---|
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Thermal Design Power (TDP) | 20 W | 80 W |
| Outputs | Device Dependent | Device Dependent |
Cores & Clock Speeds
Processing power information like its cores and clock speed. These specs impact how fast they can process graphics. Each type of core or component serves a specific computational purpose.
| Spec | GeForce GT 640M LE | GeForce GTX 1660 Ti Mobile |
|---|---|---|
| CUDA Cores | 384 | 1,536 |
| Stream Multiprocessors (SM) | 2 | 24 |
| Texture Mapping Units (TMU) | 32 | 96 |
| Render Output Units (ROP) | 16 | 48 |
| Core Clock Speed | 500 MHz | 1,455 MHz |
| Core Clock Speed (Boost) | 570 MHz | 1,590 MHz |
Theoretical Performance
Theoretical performance numbers derived from the raw specifications of the different components like core count and clock speeds. While these provide a glimpse into peak processing power, they do not represent real-world performance.
| Spec | GeForce GT 640M LE | GeForce GTX 1660 Ti Mobile |
|---|---|---|
| Pixel Fill Rate | 4.56 GPixel/s | 76.32 GPixel/s |
| Texture Fill Rate | 18.24 GTexel/s | 152.6 GTexel/s |
| FP32 Performance | 437.8 GFLOPS | 4.88 TFLOPS |
| FP64 Performance | 18.24 GFLOPS | 152.6 GFLOPS |
API Support
Graphics API versions supported by these graphics cards. APIs evolve over time, introducing new features and functionalities. Older GPUs may not support recent versions.
| Spec | GeForce GT 640M LE | GeForce GTX 1660 Ti Mobile |
|---|---|---|
| DirectX | 12 (11_0) | 12 (12_1) |
| OpenCL | 3.0 | 3.0 |
| OpenGL | 4.6 | 4.6 |
| Shader Model | 6.5 (5.1) | 6.8 |
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* Performance rating, performance per dollar, and rankings are based on the 3DMark 11 Performance GPU benchmark and MSRP.