Contents:HighlightsSummaryGaming PerformanceBenchmark PerformanceTechnical SpecsRelated ComparisonsRelated GPUs
Performance
HD Graphics 400 (Braswell)
3490% of 104,598
Iris Plus Graphics 645755% better
2,9853% of 104,598
The Iris Plus Graphics 645 has 755% better performance than the HD Graphics 400 (Braswell) for the 3DMark 11 Performance GPU benchmark.
Performance per dollar
HD Graphics 400 (Braswell)
No data available
Iris Plus Graphics 645
No data available
We do not have any performance per dollar data for the HD Graphics 400 (Braswell) and the Iris Plus Graphics 645 for the 3DMark 11 Performance GPU benchmark.
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Summary
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About the Intel HD Graphics 400 (Braswell) GPU
The Intel HD Graphics 400 (Braswell) is an integrated graphics card that launched in Q2 2015. It is built on the Generation 8.0 GPU microarchitecture (codename Braswell GT1) and is manufactured on a 14 nm process.
Memory
The HD Graphics 400 has System Shared of memory. This gives it a memory bandwidth of System Dependent, 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 HD Graphics 400 includes 96 shading units, the processing units for handling parallel computing tasks. The GPU operates at a core clock speed of 320 MHz and can dynamically boost its clock speed up to 600 MHz. Complementing the processing units are 12 texture mapping units (TMUs) for efficient texture filtering and 2 render output units (ROPs) for pixel processing.
Compatibility & Power Consumption
The GPU has a thermal design power (TDP) of 6 W. A power supply not strong enough to handle this might result in system crashes and potentially damage your hardware.
Benchmark Performance
The HD Graphics 400 has the 533rd best 3DMark 11 Performance GPU score among the 543 benchmarked GPUs in our database. It achieves 0.33% of the performance of the best benchmarked GPU, the NVIDIA GeForce RTX 4090.
About the Intel Iris Plus Graphics 645 GPU
The Intel Iris Plus Graphics 645 is an integrated graphics card that launched in Q4 2019. It is built on the Generation 9.5 GPU microarchitecture (codename Coffee Lake GT3e) and is manufactured on a 14 nm process.
Memory
The Iris Plus Graphics 645 has System Shared of memory. This gives it a memory bandwidth of System Dependent, 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 Iris Plus Graphics 645 includes 384 shading units, the processing units for handling parallel computing tasks. The GPU operates at a core clock speed of 300 MHz and can dynamically boost its clock speed up to 1,050 MHz. Complementing the processing units are 48 texture mapping units (TMUs) for efficient texture filtering and 6 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.
Benchmark Performance
The Iris Plus Graphics 645 has the 302nd best 3DMark 11 Performance GPU score among the 543 benchmarked GPUs in our database. It achieves 2.85% 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 | HD Graphics 400 (Braswell) | Iris Plus Graphics 645 |
|---|---|---|
| Manufacturer | Intel | Intel |
| Architecture | Generation 8.0 | Generation 9.5 |
| Market Segment | Integrated | Integrated |
| Release Date | Q2 2015 | Q4 2019 |
| Production Status | Active | Active |
| Shop | Check Price | Check Price |
Gaming Performance
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Our database does not have gaming performance data for the Intel HD Graphics 400 (Braswell) or the Intel Iris Plus Graphics 645.
Benchmark Performance
#
Performance
HD Graphics 400 (Braswell)
3490% of 104,598
Iris Plus Graphics 645755% better
2,9853% of 104,598
The Iris Plus Graphics 645 has 755% better performance than the HD Graphics 400 (Braswell) for the 3DMark 11 Performance GPU benchmark.
The HD Graphics 400 (Braswell) is ranked 533rd with a score of 349, and the Iris Plus Graphics 645 is ranked 302nd with a score of 2,985.
Performance per dollar
HD Graphics 400 (Braswell)
No data available
Iris Plus Graphics 645
No data available
We do not have any performance per dollar data for the HD Graphics 400 (Braswell) and the Iris Plus Graphics 645 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:HD Graphics 400 (Braswell) or
| GPU | Benchmark Performance | |
|---|---|---|
| Iris Pro Graphics 580 | 3,220 | +823% |
| Radeon Graphics (128SP) | 3,026 | +767% |
| Iris Plus Graphics 645 | 2,985 | +755% |
| Iris Plus Graphics 655 | 2,894 | +729% |
| Radeon R8 M365DX | 2,862.5 | +720% |
| Radeon R2 (Beema) | 397 | +14% |
| HD Graphics (Braswell) | 395 | +13% |
| HD Graphics 400 (Braswell) | 349 | |
| Radeon HD 8210 | 343.5 | -2% |
| Radeon HD 7340 | 331.5 | -5% |
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:HD Graphics 400 (Braswell) orIris Plus Graphics 645
| 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 | HD Graphics 400 (Braswell) | Iris Plus Graphics 645 |
|---|---|---|
| 3DMark Time Spy Graphics | -- | 550 |
| 3DMark Time Spy Score | -- | 624 |
| 3DMark Cloud Gate Graphics | 1,841 | -- |
| 3DMark Fire Strike Standard Graphics | 218 | 1,893 (+768.35%) |
| 3DMark 11 Performance Score | 397 | 3,238 (+715.62%) |
| Cinebench R15 OpenGL 64 Bit | 11.3 | 67.1 (+493.81%) |
| PassMark G3D Mark | -- | 1,727 |
| PassMark G2D Mark | -- | 389 |
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 | HD Graphics 400 (Braswell) | Iris Plus Graphics 645 |
|---|---|---|
| Codename | Braswell GT1 | Coffee Lake GT3e |
| Architecture | Generation 8.0 | Generation 9.5 |
| Process Size | 14 nm | 14 nm |
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 | HD Graphics 400 (Braswell) | Iris Plus Graphics 645 |
|---|---|---|
| Memory Size | System Shared | System Shared |
| Memory Type | System Shared | System Shared |
| Memory Bandwidth | System Dependent | System Dependent |
| Memory Clock | System Shared | System Shared |
| Memory Interface | System Shared | System Shared |
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 | HD Graphics 400 (Braswell) | Iris Plus Graphics 645 |
|---|---|---|
| Bus Interface | Ring Bus | Ring Bus |
| Thermal Design Power (TDP) | 6 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 | HD Graphics 400 (Braswell) | Iris Plus Graphics 645 |
|---|---|---|
| Shading Units | 96 | 384 |
| Texture Mapping Units (TMU) | 12 | 48 |
| Render Output Units (ROP) | 2 | 6 |
| Core Clock Speed | 320 MHz | 300 MHz |
| Core Clock Speed (Boost) | 600 MHz | 1,050 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 | HD Graphics 400 (Braswell) | Iris Plus Graphics 645 |
|---|---|---|
| Pixel Fill Rate | 1.2 GPixel/s | 6.3 GPixel/s |
| Texture Fill Rate | 7.2 GTexel/s | 50.4 GTexel/s |
| FP32 Performance | 115.2 GFLOPS | 806.4 GFLOPS |
| FP64 Performance | 28.8 GFLOPS | 201.6 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 | HD Graphics 400 (Braswell) | Iris Plus Graphics 645 |
|---|---|---|
| DirectX | 12 (11_1) | 12 (12_1) |
| OpenCL | 3.0 | 3.0 |
| OpenGL | 4.3 | 4.6 |
| Shader Model | 5.1 | 6.4 |
Check out these comparisons for similar GPUs:
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* Performance rating, performance per dollar, and rankings are based on the 3DMark 11 Performance GPU benchmark and MSRP.