AMD Radeon 660M vs AMD Radeon R9 M390X
The Radeon R9 M390X has 42% better performance than the Radeon 660M for the 3DMark 11 Performance GPU benchmark.
We do not have any performance per dollar data for the Radeon 660M and the Radeon R9 M390X for the 3DMark 11 Performance GPU benchmark.
Summary
About the AMD Radeon 660M GPU
The Radeon 660M is a mobile graphics card by AMD. It launched in Q1 2022. Its Rembrandt chip that powers the GPU uses the RDNA 2.0 architecture and is fabricated on the 6 nm process.
This mobile card has a TDP of 40 W.
The Radeon 660M has the 221st highest 3DMark 11 Performance GPU score among the 540 benchmarked GPUs in our database. It achieves 6.34% of the performance of the best benchmarked GPU, the NVIDIA GeForce RTX 4090.
About the AMD Radeon R9 M390X GPU
The Radeon R9 M390X is an end-of-life mobile graphics card by AMD. It launched in Q2 2015. Its Amethyst chip that powers the GPU uses the GCN 3.0 architecture and is fabricated on the 28 nm process.
This GPU is paired with 4 GB of GDDR5 VRAM. Its 1,250 MHz memory clock and 256 bit interface gives it a bandwidth of 160 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 75 W.
The Radeon R9 M390X has the 184th highest 3DMark 11 Performance GPU score among the 540 benchmarked GPUs in our database. It achieves 9.00% 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 660M | Radeon R9 M390X |
|---|---|---|
| Manufacturer | AMD | AMD |
| Architecture | RDNA 2.0 | GCN 3.0 |
| Market Segment | Mobile | Mobile |
| Release Date | Q1 2022 | Q2 2015 |
| Production Status | Active | 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
Sons of the Forest | Radeon 660M | Radeon R9 M390X |
|---|---|---|
| Low - 1080p | 25 FPS | -- |
| Medium - 1080p | 17 FPS | -- |
| High - 1080p | 15 FPS | -- |
| Ultra - 1080p | 15 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 680M | 23.3 | +57% |
| Radeon RX 560X (Mobile) | 20.2 | +36% |
| Radeon 660M | 14.8 | |
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 Radeon R9 M390X has 42% better performance than the Radeon 660M for the 3DMark 11 Performance GPU benchmark.
The Radeon 660M is ranked 221st with a score of 6,651.5, and the Radeon R9 M390X is ranked 184th with a score of 9,448.
We do not have any performance per dollar data for the Radeon 660M and the Radeon R9 M390X 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 | |
|---|---|---|
| FirePro W7170M | 9,708 | +46% |
| GeForce GTX 1050 Ti (Mobile) | 9,615.5 | +45% |
| Radeon R9 M390X | 9,448 | +42% |
| Radeon R9 M295X | 8,850.5 | +33% |
| GeForce GTX 1050 Ti Max-Q | 8,752 | +32% |
| Radeon Pro 460 | 6,749 | +1% |
| GeForce GTX 680MX (Mac Edition) | 6,736 | +1% |
| Radeon 660M | 6,651.5 | |
| GeForce MX350 | 6,166 | -7% |
| GeForce GTX 775M (Mac Edition) | 6,071 | -9% |
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 660M | Radeon R9 M390X |
|---|---|---|
| 3DMark Time Spy Graphics | 1,523 | -- |
| 3DMark Time Spy Score | 1,700 | -- |
| 3DMark Cloud Gate Graphics | 30,129.5 | -- |
| 3DMark Fire Strike Standard Graphics | 4,734.5 | -- |
| 3DMark 11 Performance Score | 7,003.5 | 9,082 (+29.68%) |
| Cinebench R15 OpenGL 64 Bit | 119.7 | -- |
| PassMark G3D Mark | -- | 3,597 |
| PassMark G2D Mark | -- | 440 |
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 660M | Radeon R9 M390X |
|---|---|---|
| Codename | Rembrandt | Amethyst |
| Architecture | RDNA 2.0 | GCN 3.0 |
| Process Size | 6 nm | 28 nm |
| Transistors | 13,100 million | 5,000 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 660M | Radeon R9 M390X |
|---|---|---|
| Memory Size | System Shared | 4 GB |
| Memory Type | System Shared | GDDR5 |
| Memory Bandwidth | System Dependent | 160 Gb/s |
| Memory Clock | System Shared | 1,250 MHz |
| Memory Interface | System Shared | 256 bit |
| L1 Cache | 128 KB | 16 KB |
| L2 Cache | 2 MB | 512 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 660M | Radeon R9 M390X |
|---|---|---|
| Bus Interface | PCIe 4.0 x8 | PCIe 3.0 x16 |
| Thermal Design Power (TDP) | 40 W | 75 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 660M | Radeon R9 M390X |
|---|---|---|
| Stream Processors (SP) | 384 | 2,048 |
| Compute Units (CU) | 6 | 32 |
| Texture Mapping Units (TMU) | 24 | 128 |
| Render Output Units (ROP) | 16 | 32 |
| Ray Tracing Cores | 6 | -- |
| Core Clock Speed | 1,500 MHz | 723 MHz |
| Core Clock Speed (Boost) | 1,900 MHz | 723 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 660M | Radeon R9 M390X |
|---|---|---|
| Pixel Fill Rate | 30.4 GPixel/s | 23.14 GPixel/s |
| Texture Fill Rate | 45.6 GTexel/s | 92.54 GTexel/s |
| FP32 Performance | 1,459 GFLOPS | 2.96 TFLOPS |
| FP64 Performance | 91.2 GFLOPS | 185.1 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 660M | Radeon R9 M390X |
|---|---|---|
| DirectX | 12 Ultimate (12_2) | 12 (12_0) |
| OpenCL | 2.0 | 2.1 |
| OpenGL | 4.6 | 4.6 |
| Shader Model | 6.7 | 6.5 |
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* Performance rating, performance per dollar, and rankings are based on the 3DMark 11 Performance GPU benchmark and MSRP.