AMD Radeon 660M vs AMD Radeon RX 6850M XT
The Radeon RX 6850M XT has 532% 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 RX 6850M XT for the 3DMark 11 Performance GPU benchmark.
Summary
About the AMD Radeon 660M GPU
The AMD Radeon 660M is a mobile graphics card that launched in Q1 2022. It is built on the RDNA 2.0 GPU microarchitecture (codename Rembrandt) and is manufactured on a 6 nm process.
Cores and Clock Speeds
The 660M includes 384 stream processors (SPs), the processing units for handling parallel computing tasks. The GPU operates at a core clock speed of 1,500 MHz and can dynamically boost its clock speed up to 1,900 MHz. Complementing the processing units are 24 texture mapping units (TMUs) for efficient texture filtering and 16 render output units (ROPs) for pixel processing. Additionally, the GPU features 6 ray accelerators dedicated to real-time ray tracing calculations.
Compatibility & Power Consumption
The GPU has a thermal design power (TDP) of 40 W. A power supply not strong enough to handle this might result in system crashes and potentially damage your hardware.
Benchmark Performance
The 660M has the 224th best 3DMark 11 Performance GPU score among the 543 benchmarked GPUs in our database. It achieves 6.35% of the performance of the best benchmarked GPU, the NVIDIA GeForce RTX 4090.
About the AMD Radeon RX 6850M XT GPU
The AMD Radeon RX 6850M XT is a mobile graphics card that launched in Q1 2022. It is built on the RDNA 2.0 GPU microarchitecture (codename Navi 22) and is manufactured on a 7 nm process.
Memory
The RX 6850M XT has 12 GB of GDDR6 memory, with a 2,250 MHz memory clock and a 192 bit interface. This gives it a memory bandwidth of 432 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 RX 6850M XT includes 2,560 stream processors (SPs), the processing units for handling parallel computing tasks. The GPU operates at a core clock speed of 2,321 MHz and can dynamically boost its clock speed up to 2,581 MHz. It usually operates at 2,463 MHz during typical gaming workloads. Complementing the processing units are 160 texture mapping units (TMUs) for efficient texture filtering and 64 render output units (ROPs) for pixel processing. Additionally, the GPU features 40 ray accelerators dedicated to real-time ray tracing calculations.
Compatibility & Power Consumption
The GPU has a thermal design power (TDP) of 165 W. A power supply not strong enough to handle this might result in system crashes and potentially damage your hardware.
Benchmark Performance
The RX 6850M XT has the 35th best 3DMark 11 Performance GPU score among the 543 benchmarked GPUs in our database. It achieves 40.12% 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 RX 6850M XT |
|---|---|---|
| Manufacturer | AMD | AMD |
| Architecture | RDNA 2.0 | RDNA 2.0 |
| Market Segment | Mobile | Mobile |
| Release Date | Q1 2022 | Q1 2022 |
| Production Status | Active | 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
F1 24 | Radeon 660M | Radeon RX 6850M XT |
|---|---|---|
| Low - 1080p | 32 FPS | -- |
| Medium - 1080p | 27 FPS | -- |
| High - 1080p | 20 FPS | -- |
| Ultra - 1080p | -- | -- |
| 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 MX450 | 20.4 | +3% |
| Radeon 660M | 19.8 | |
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 RX 6850M XT has 532% better performance than the Radeon 660M for the 3DMark 11 Performance GPU benchmark.
The Radeon 660M is ranked 224th with a score of 6,651.5, and the Radeon RX 6850M XT is ranked 35th with a score of 42,015.5.
We do not have any performance per dollar data for the Radeon 660M and the Radeon RX 6850M XT 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 | |
|---|---|---|
| RTX 5000 Ada Generation Mobile | 53,052.5 | +698% |
| GeForce RTX 3080 Ti Mobile | 42,275 | +536% |
| Radeon RX 6850M XT | 42,015.5 | +532% |
| GeForce RTX 4070 Mobile | 41,027 | +517% |
| Radeon RX 6800M | 40,390.5 | +507% |
| 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 RX 6850M XT |
|---|---|---|
| 3DMark Time Spy Graphics | 1,523 | 11,837 (+677.22%) |
| 3DMark Time Spy Score | 1,700 | 11,649.5 (+585.26%) |
| 3DMark Cloud Gate Graphics | 31,180 | 172,972 (+454.75%) |
| 3DMark Fire Strike Standard Graphics | 4,734.5 | 33,900.5 (+616.03%) |
| 3DMark 11 Performance Score | 7,003.5 | 30,854.5 (+340.56%) |
| Cinebench R15 OpenGL 64 Bit | 119.7 | 200.8 (+67.75%) |
| PassMark G3D Mark | -- | 17,192 |
| PassMark G2D Mark | -- | 599 |
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 RX 6850M XT |
|---|---|---|
| Codename | Rembrandt | Navi 22 |
| Architecture | RDNA 2.0 | RDNA 2.0 |
| Process Size | 6 nm | 7 nm |
| Transistors | 13,100 million | 17,200 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 RX 6850M XT |
|---|---|---|
| Memory Size | System Shared | 12 GB |
| Memory Type | System Shared | GDDR6 |
| Memory Bandwidth | System Dependent | 432 Gb/s |
| Memory Clock | System Shared | 2,250 MHz |
| Memory Interface | System Shared | 192 bit |
| L1 Cache | 128 KB | 128 KB |
| L2 Cache | 2 MB | 3 MB |
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 RX 6850M XT |
|---|---|---|
| Bus Interface | PCIe 4.0 x8 | PCIe 4.0 x16 |
| Thermal Design Power (TDP) | 40 W | 165 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 RX 6850M XT |
|---|---|---|
| Stream Processors (SP) | 384 | 2,560 |
| Compute Units (CU) | 6 | 40 |
| Texture Mapping Units (TMU) | 24 | 160 |
| Render Output Units (ROP) | 16 | 64 |
| Ray Accelerators | 6 | 40 |
| Core Clock Speed | 1,500 MHz | 2,321 MHz |
| Core Clock Speed (Boost) | 1,900 MHz | 2,581 MHz |
| Core Clock Speed (Game) | -- | 2,463 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 RX 6850M XT |
|---|---|---|
| Pixel Fill Rate | 30.4 GPixel/s | 165.2 GPixel/s |
| Texture Fill Rate | 45.6 GTexel/s | 413 GTexel/s |
| FP32 Performance | 1,459 GFLOPS | 13.21 TFLOPS |
| FP64 Performance | 91.2 GFLOPS | 825.9 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 RX 6850M XT |
|---|---|---|
| DirectX | 12 Ultimate (12_2) | 12 Ultimate (12_2) |
| OpenCL | 2.0 | 2.1 |
| OpenGL | 4.6 | 4.6 |
| Shader Model | 6.7 | 6.7 |
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* Performance rating, performance per dollar, and rankings are based on the 3DMark 11 Performance GPU benchmark and MSRP.