The Radeon 660M is at least 2x slower gaming GPU than the Radeon RX 580. We cannot compare value as at least one GPU is out of stock.
Advantages of the Radeon 660M
- Consumes up to 78% less energy – 40 vs 185 Watts
Advantages of the Radeon RX 580
- At least 2x faster GPU for gaming
Radeon 660M vs Radeon RX 580 for Gaming
The GPU's performance in selected game and settings
Radeon 660M
Jan 3rd, 2023
Average FPS
49
70%
Min 1% FPS
21
60%
Price, $
Out of Stock
Value, $/FPS
Not Available
All items are out of stock.
Radeon RX 580
Apr 18th, 2017
Average FPS
70
100%
Min 1% FPS
35
100%
Price, $
$139.99
100%
Value, $/FPS
$1.99/FPS
100%
Buy on Amazon
$139.99
In Stock
Buy on Amazon
$249.00
In Stock
Buy on Amazon
N/A
Out of Stock
Radeon 660M vs Radeon RX 580 in My Games
The FPS you'll get in saved games, click on a game to change it
The FPS you'll get in saved games, click on a game to change it
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Synthetic Benchmarks
The Radeon 660M vs Radeon RX 580 in synthetic GPU benchmarks
Performance Specifications
The Radeon 660M vs Radeon RX 580 in core GPU performance specifications
Radeon 660M
Jan 3rd, 2023
Memory
0 GB
0%
Memory Bandwidth
0 GB/s
0%
Pixel Fillrate
30.4 GPixel/s
71%
Texture Fillrate
45.6 GTexel/s
24%
FP32
1.459 TFLOPS
24%
Radeon RX 580
Apr 18th, 2017
Memory
8 GB
100%
Memory Bandwidth
256 GB/s
100%
Pixel Fillrate
42.88 GPixel/s
100%
Texture Fillrate
193 GTexel/s
100%
FP32
6.175 TFLOPS
100%
Specifications
Comparison of all specifications
Radeon 660M | SpecificationsComparison of all specifications | Radeon RX 580 |
|---|---|---|
| General | ||
Jan 3rd, 2023 | Release Date | Apr 18th, 2017 |
| Not Available | MSRP | $229.00 |
| Navi II IGP | Generation | Polaris |
Integrated | Segment | Desktop |
40 W | Power Consumption | 185 W |
| Memory | ||
| System-Shared | Memory Size | 8 GB |
| System-Shared | Memory Type | GDDR5 |
| System-Shared | Memory Bus | 256-bit |
| System-Shared | Bandwidth | 256 GB/s |
| Theoretical Performance | ||
| 30.4 GPixel/s | Pixel Fillrate | 42.88 GPixel/s |
| 45.6 GTexel/s | Texture Fillrate | 193 GTexel/s |
| 1.459 TFLOPS | FP32 | 6.175 TFLOPS |
