AMD Radeon R6 M255DX vs Intel Iris Plus Graphics 645
The Iris Plus Graphics 645 has 36% better performance than the Radeon R6 M255DX for the 3DMark 11 Performance GPU benchmark.
We do not have any performance per dollar data for the Radeon R6 M255DX and the Iris Plus Graphics 645 for the 3DMark 11 Performance GPU benchmark.
Summary
About the AMD Radeon R6 M255DX GPU
The AMD Radeon R6 M255DX is an end-of-life integrated graphics card that released in Q4 2014. It is built on the GCN 3.0 GPU microarchitecture (codename Topaz) and is manufactured on a 28 nm process.
Cores and Clock Speeds
The R6 M255DX includes 384 stream processors (SPs), the processing units for handling parallel computing tasks. The GPU operates at a core clock speed of 925 MHz and can dynamically boost its clock speed up to 940 MHz. Complementing the processing units are 24 texture mapping units (TMUs) for efficient texture filtering and 8 render output units (ROPs) for pixel processing.
Benchmark Performance
The R6 M255DX has the 346th best 3DMark 11 Performance GPU score among the 541 benchmarked GPUs in our database. It achieves 2.10% 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 300th best 3DMark 11 Performance GPU score among the 541 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 | Radeon R6 M255DX | Iris Plus Graphics 645 |
|---|---|---|
| Manufacturer | AMD | Intel |
| Architecture | GCN 3.0 | Generation 9.5 |
| Market Segment | Integrated | Integrated |
| Release Date | Q4 2014 | Q4 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
BioShock Infinite | Radeon R6 M255DX | Iris Plus Graphics 645 |
|---|---|---|
| Low - 720p | 47 FPS | -- |
| Medium - 768p | 31 FPS | -- |
| High - 768p | 26 FPS | -- |
| Ultra - 1080p | 13 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 Vega 10 | 19 | +45% |
| Radeon R8 M365DX | 14 | +7% |
| Radeon R6 M255DX | 13.1 | |
| Radeon R8 M445DX | 12 | -8% |
| UHD Graphics 630 | 11 | -16% |
| Radeon HD 8670D | 10.1 | -23% |
| UHD Graphics 620 | 9 | -31% |
| Radeon HD 7660D | 8 | -39% |
| Radeon R6 M340DX | 8 | -39% |
| Radeon HD 8570D | 7.3 | -44% |
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 Iris Plus Graphics 645 has 36% better performance than the Radeon R6 M255DX for the 3DMark 11 Performance GPU benchmark.
The Radeon R6 M255DX is ranked 346th with a score of 2,198, and the Iris Plus Graphics 645 is ranked 300th with a score of 2,985.
We do not have any performance per dollar data for the Radeon R6 M255DX 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.
| GPU | Benchmark Performance | |
|---|---|---|
| Iris Pro Graphics 580 | 3,220 | +46% |
| Radeon Graphics (128SP) | 3,026 | +38% |
| Iris Plus Graphics 645 | 2,985 | +36% |
| Iris Plus Graphics 655 | 2,894 | +32% |
| Radeon R8 M365DX | 2,862.5 | +30% |
| Iris Plus Graphics 640 | 2,379 | +8% |
| Iris Graphics 540 | 2,211.5 | +1% |
| Radeon R6 M255DX | 2,198 | |
| UHD Graphics G1 (Ice Lake, 32EU) | 2,127 | -3% |
| Iris Pro Graphics 5200 | 1,923 | -13% |
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 | Radeon R6 M255DX | Iris Plus Graphics 645 |
|---|---|---|
| 3DMark Time Spy Graphics | -- | 550 |
| 3DMark Time Spy Score | -- | 624 |
| 3DMark Cloud Gate Graphics | 7,172 | -- |
| 3DMark Fire Strike Standard Graphics | 1,114.5 | 1,893 (+69.85%) |
| 3DMark 11 Performance Score | 1,979 | 3,238 (+63.62%) |
| Cinebench R15 OpenGL 64 Bit | 24.9 | 67.1 (+169.48%) |
| PassMark G3D Mark | 605 | 1,727 (+185.45%) |
| PassMark G2D Mark | 116 | 389 (+235.34%) |
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 | Radeon R6 M255DX | Iris Plus Graphics 645 |
|---|---|---|
| Codename | Topaz | Coffee Lake GT3e |
| Architecture | GCN 3.0 | Generation 9.5 |
| Process Size | 28 nm | 14 nm |
| Transistors | 1,550 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 | Radeon R6 M255DX | 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 |
| L1 Cache | 16 KB | -- |
| L2 Cache | 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 | Radeon R6 M255DX | Iris Plus Graphics 645 |
|---|---|---|
| Bus Interface | IGP | Ring Bus |
| Thermal Design Power (TDP) | -- | 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 | Radeon R6 M255DX | Iris Plus Graphics 645 |
|---|---|---|
| Stream Processors (SP) | 384 | -- |
| Shading Units | -- | 384 |
| Compute Units (CU) | 6 | -- |
| Texture Mapping Units (TMU) | 24 | 48 |
| Render Output Units (ROP) | 8 | 6 |
| Core Clock Speed | 925 MHz | 300 MHz |
| Core Clock Speed (Boost) | 940 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 | Radeon R6 M255DX | Iris Plus Graphics 645 |
|---|---|---|
| Pixel Fill Rate | 7.52 GPixel/s | 6.3 GPixel/s |
| Texture Fill Rate | 22.56 GTexel/s | 50.4 GTexel/s |
| FP32 Performance | 721.9 GFLOPS | 806.4 GFLOPS |
| FP64 Performance | 45.12 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 | Radeon R6 M255DX | Iris Plus Graphics 645 |
|---|---|---|
| DirectX | 12 (12_0) | 12 (12_1) |
| OpenCL | 2.1 | 3.0 |
| OpenGL | 4.6 | 4.6 |
| Shader Model | 6.5 | 6.4 |
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* Performance rating, performance per dollar, and rankings are based on the 3DMark 11 Performance GPU benchmark and MSRP.