NVIDIA GeForce 920MX vs NVIDIA GeForce GT 640M
The GeForce 920MX has 6% better performance than the GeForce GT 640M for the 3DMark 11 Performance GPU benchmark.
We do not have any performance per dollar data for the GeForce 920MX and the GeForce GT 640M for the 3DMark 11 Performance GPU benchmark.
Summary
About the NVIDIA GeForce 920MX GPU
The GeForce 920MX is an end-of-life mobile graphics card by NVIDIA. It launched in Q1 2016. Its GM108S chip that powers the GPU uses the Maxwell architecture and is fabricated on the 28 nm process.
This GPU is paired with 2 GB of DDR3 VRAM. Its 900 MHz memory clock and 64 bit interface gives it a bandwidth of 14.4 Gb/s. This impacts how much data it can store, and how fast it transfers the data to and from memory.
This mobile card has a TDP of 16 W.
The GeForce 920MX has the 370th highest 3DMark 11 Performance GPU score among the 540 benchmarked GPUs in our database. It achieves 1.75% of the performance of the best benchmarked GPU, the NVIDIA GeForce RTX 4090.
About the NVIDIA GeForce GT 640M GPU
The GeForce GT 640M is an end-of-life mobile graphics card by NVIDIA. It launched in Q1 2012. Its GK107 chip that powers the GPU uses the Kepler architecture and is fabricated on the 28 nm process.
This GPU is paired with 2 GB of DDR3 VRAM. Its 900 MHz memory clock and 128 bit interface gives it a bandwidth of 28.8 Gb/s. This impacts how much data it can store, and how fast it transfers the data to and from memory.
This mobile card has a TDP of 32 W.
The GeForce GT 640M has the 383rd highest 3DMark 11 Performance GPU score among the 540 benchmarked GPUs in our database. It achieves 1.65% 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 920MX | GeForce GT 640M |
|---|---|---|
| Manufacturer | NVIDIA | NVIDIA |
| Architecture | Maxwell | Kepler |
| Market Segment | Mobile | Mobile |
| Release Date | Q1 2016 | Q1 2012 |
| Production Status | End-of-life | End-of-life |
| 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
Kingdom Come: Deliverance | GeForce 920MX | GeForce GT 640M |
|---|---|---|
| Low - 720p | 24 FPS | -- |
| Medium - 1080p | 10 FPS | -- |
| High - 1080p | 8 FPS | -- |
| Ultra - 1080p | 6 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 | |
|---|---|---|
| GeForce MX130 | 8.1 | +37% |
| GeForce 940MX | 8 | +36% |
| GeForce 940M | 7.5 | +27% |
| GeForce MX230 | 7 | +19% |
| Radeon RX 540 (Mobile) | 7 | +19% |
| GeForce 920MX | 5.9 | |
| GeForce MX110 | 5.9 | +0% |
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 920MX has 6% better performance than the GeForce GT 640M for the 3DMark 11 Performance GPU benchmark.
The GeForce 920MX is ranked 370th with a score of 1,835, and the GeForce GT 640M is ranked 383rd with a score of 1,728.
We do not have any performance per dollar data for the GeForce 920MX and the GeForce GT 640M 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 GT 740M | 1,848 | +1% |
| GeForce GT 645M | 1,844.5 | +1% |
| GeForce 920MX | 1,835 | |
| Quadro K1100M | 1,826.5 | -0% |
| GeForce GTX 560M | 1,820 | -1% |
| Radeon R5 M255 | 1,784 | -3% |
| GeForce 825M | 1,756.5 | -4% |
| GeForce GT 640M | 1,728 | -6% |
| FirePro M4100 | 1,728 | -6% |
| GeForce GT 730M | 1,722 | -6% |
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 920MX | GeForce GT 640M |
|---|---|---|
| 3DMark Time Spy Graphics | 417 | -- |
| 3DMark Time Spy Score | 472 | -- |
| 3DMark Cloud Gate Graphics | 9,113.5 (+0.99%) | 9,024 |
| 3DMark Fire Strike Standard Graphics | 1,448 (+18.2%) | 1,225 |
| 3DMark 11 Performance Score | 1,983 (+6.58%) | 1,860.5 |
| Cinebench R15 OpenGL 64 Bit | 47.7 (+12.5%) | 42.4 |
| PassMark G3D Mark | 1,081 (+17.88%) | 917 |
| PassMark G2D Mark | 149 | 192 (+28.86%) |
| Unigine Heaven 3.0 DirectX 11 | 21.2 | -- |
| Unigine Heaven 3.0 OpenGL | 20.3 | -- |
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 920MX | GeForce GT 640M |
|---|---|---|
| Codename | GM108S | GK107 |
| Architecture | Maxwell | Kepler |
| Process Size | 28 nm | 28 nm |
| Transistors | 1,020 million | 1,270 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 920MX | GeForce GT 640M |
|---|---|---|
| Memory Size | 2 GB | 2 GB |
| Memory Type | DDR3 | DDR3 |
| Memory Bandwidth | 14.4 Gb/s | 28.8 Gb/s |
| Memory Clock | 900 MHz | 900 MHz |
| Memory Interface | 64 bit | 128 bit |
| L1 Cache | 64 KB | 16 KB |
| L2 Cache | 1,024 KB | 256 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 920MX | GeForce GT 640M |
|---|---|---|
| Bus Interface | PCIe 3.0 x8 | PCIe 3.0 x16 |
| Thermal Design Power (TDP) | 16 W | 32 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 920MX | GeForce GT 640M |
|---|---|---|
| CUDA Cores | 256 | 384 |
| Stream Multiprocessors (SM) | -- | 2 |
| Texture Mapping Units (TMU) | 24 | 32 |
| Render Output Units (ROP) | 8 | 16 |
| Core Clock Speed | 965 MHz | 624 MHz |
| Core Clock Speed (Boost) | 993 MHz | 709 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 920MX | GeForce GT 640M |
|---|---|---|
| Pixel Fill Rate | 7.94 GPixel/s | 5.67 GPixel/s |
| Texture Fill Rate | 23.83 GTexel/s | 22.69 GTexel/s |
| FP32 Performance | 508.4 GFLOPS | 544.5 GFLOPS |
| FP64 Performance | 15.89 GFLOPS | 22.69 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 920MX | GeForce GT 640M |
|---|---|---|
| DirectX | 12 (11_0) | 12 (11_0) |
| OpenCL | 3.0 | 3.0 |
| OpenGL | 4.6 | 4.6 |
| Shader Model | 6.7 (5.1) | 6.5 (5.1) |
Check out these comparisons for similar GPUs:
Looking for alternatives? Check out these similar GPUs:
* Performance rating, performance per dollar, and rankings are based on the 3DMark 11 Performance GPU benchmark and MSRP.