Performance
GeForce 945A
No data available
GeForce 820A
No data available
We do not have any performance data for the GeForce 945A and the GeForce 820A for the 3DMark 11 Performance GPU benchmark.
Performance per dollar
GeForce 945A
No data available
GeForce 820A
No data available
We do not have any performance per dollar data for the GeForce 945A and the GeForce 820A for the 3DMark 11 Performance GPU benchmark.
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Summary
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About the NVIDIA GeForce 945A GPU
The NVIDIA GeForce 945A is an end-of-life mobile graphics card that released in Q1 2015. It is built on the Maxwell GPU microarchitecture (codename GM108) and is manufactured on a 28 nm process.
Memory
The 945A has 1,024 MB of GDDR5 memory, with a 1,253 MHz memory clock and a 64 bit interface. This gives it a memory bandwidth of 40.1 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 945A includes 384 CUDA cores, the processing units for handling parallel computing tasks. The GPU operates at a core clock speed of 1,006 MHz and can dynamically boost its clock speed up to 1,189 MHz. Complementing the processing units are 24 texture mapping units (TMUs) for efficient texture filtering and 8 render output units (ROPs) for pixel processing.
Compatibility & Power Consumption
The GPU has a thermal design power (TDP) of 33 W. A power supply not strong enough to handle this might result in system crashes and potentially damage your hardware.
About the NVIDIA GeForce 820A GPU
The NVIDIA GeForce 820A is an end-of-life mobile graphics card that released in Q1 2014. It is built on the Fermi 2.0 GPU microarchitecture (codename GF117) and is manufactured on a 28 nm process.
Memory
The 820A has 1,024 MB of DDR3 memory, with a 1,001 MHz memory clock and a 64 bit interface. This gives it a memory bandwidth of 16.02 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 820A includes 96 CUDA cores, the processing units for handling parallel computing tasks. The GPU operates at a core clock speed of 625 MHz. Complementing the processing units are 16 texture mapping units (TMUs) for efficient texture filtering and 8 render output units (ROPs) for pixel processing.
Compatibility & Power Consumption
The GPU has a thermal design power (TDP) of 15 W. A power supply not strong enough to handle this might result in system crashes and potentially damage your hardware.
General Info
General overview of the GPU, including details like its manufacturer, release date, launch price, and current production status.
| Info | GeForce 945A | GeForce 820A |
|---|---|---|
| Manufacturer | NVIDIA | NVIDIA |
| Architecture | Maxwell | Fermi 2.0 |
| Market Segment | Mobile | Mobile |
| Release Date | Q1 2015 | Q1 2014 |
| Production Status | End-of-life | End-of-life |
| Shop | Check Price | Check Price |
Gaming Performance
#
Our database does not have gaming performance data for the NVIDIA GeForce 945A or the NVIDIA GeForce 820A.
Benchmark Performance
#
Performance
GeForce 945A
No data available
GeForce 820A
No data available
We do not have any performance data for the GeForce 945A and the GeForce 820A for the 3DMark 11 Performance GPU benchmark.
Performance per dollar
GeForce 945A
No data available
GeForce 820A
No data available
We do not have any performance per dollar data for the GeForce 945A and the GeForce 820A 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.
Choose Baseline GPU:GeForce 945A orGeForce 820A
| GPU | Benchmark Performance | ||
|---|---|---|---|
| Our database does not have enough data to compare the benchmark performance with other GPUs. | |||
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.
Choose Baseline GPU:GeForce 945A orGeForce 820A
| 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 945A | GeForce 820A |
|---|---|---|
| PassMark G3D Mark | 1,852 (+233.09%) | 556 |
| PassMark G2D Mark | 705 (+343.4%) | 159 |
Benchmarks Source: Notebookcheck
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 945A | GeForce 820A |
|---|---|---|
| Codename | GM108 | GF117 |
| Architecture | Maxwell | Fermi 2.0 |
| Process Size | 28 nm | 28 nm |
| Transistors | 1,020 million | 585 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 945A | GeForce 820A |
|---|---|---|
| Memory Size | 1,024 MB | 1,024 MB |
| Memory Type | GDDR5 | DDR3 |
| Memory Bandwidth | 40.1 Gb/s | 16.02 Gb/s |
| Memory Clock | 1,253 MHz | 1,001 MHz |
| Memory Interface | 64 bit | 64 bit |
| L1 Cache | 64 KB | 64 KB |
| L2 Cache | 1,024 KB | 128 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 945A | GeForce 820A |
|---|---|---|
| Bus Interface | PCIe 3.0 x8 | PCIe 2.0 x16 |
| Thermal Design Power (TDP) | 33 W | 15 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 945A | GeForce 820A |
|---|---|---|
| CUDA Cores | 384 | 96 |
| Stream Multiprocessors (SM) | -- | 2 |
| Texture Mapping Units (TMU) | 24 | 16 |
| Render Output Units (ROP) | 8 | 8 |
| Core Clock Speed | 1,006 MHz | 625 MHz |
| Core Clock Speed (Boost) | 1,189 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 945A | GeForce 820A |
|---|---|---|
| Pixel Fill Rate | 9.51 GPixel/s | 2.5 GPixel/s |
| Texture Fill Rate | 28.54 GTexel/s | 10 GTexel/s |
| FP32 Performance | 913.2 GFLOPS | 240 GFLOPS |
| FP64 Performance | 28.54 GFLOPS | 20 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 945A | GeForce 820A |
|---|---|---|
| DirectX | 12 (11_0) | 12 (11_0) |
| OpenCL | 3.0 | 1.1 |
| OpenGL | 4.6 | 4.6 |
| Shader Model | 6.7 (5.1) | 5.1 |
* Performance rating, performance per dollar, and rankings are based on the 3DMark 11 Performance GPU benchmark and MSRP.