The Radeon 660M is at least 2x slower gaming GPU than the Arc B580. We cannot compare value as at least one GPU is out of stock.
Advantages of the Radeon 660M
- Consumes up to 79% less energy – 40 vs 190 Watts
Advantages of the Arc B580
- At least 2x faster GPU for gaming
Radeon 660M vs Arc B580 for Gaming
The GPU's performance in selected game and settings
Radeon 660M
Jan 3rd, 2023
Average FPS
49
36%
Min 1% FPS
21
26%
Price, $
Out of Stock
Value, $/FPS
Not Available
All items are out of stock.
Arc B580
Jan 16th, 2025
Average FPS
135
100%
Min 1% FPS
80
100%
Price, $
$377.99
100%
Value, $/FPS
$2.79/FPS
100%
Buy on Amazon
$377.99
In Stock
Buy on Amazon
$358.99
In Stock
Radeon 660M vs Arc B580 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
High
1920x1080
+1
Average FPS
Average FPS
Very High
1920x1080
+2
Average FPS
Average FPS
Ultra
1920x1080
+2
Average FPS
Average FPS
Ultra
1920x1080
+1
Average FPS
Average FPS
Extreme
1920x1080
+1
Average FPS
Average FPS
Add a Game
Select Settings
Synthetic Benchmarks
The Radeon 660M vs Arc B580 in synthetic GPU benchmarks
Performance Specifications
The Radeon 660M vs Arc B580 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
14%
Texture Fillrate
45.6 GTexel/s
11%
FP32
1.459 TFLOPS
11%
Arc B580
Jan 16th, 2025
Memory
12 GB
100%
Memory Bandwidth
456 GB/s
100%
Pixel Fillrate
213.6 GPixel/s
100%
Texture Fillrate
427.2 GTexel/s
100%
FP32
13.67 TFLOPS
100%
Specifications
Comparison of all specifications
Radeon 660M | SpecificationsComparison of all specifications | Arc B580 |
|---|---|---|
| General | ||
| Jan 3rd, 2023 | Release Date | Jan 16th, 2025 |
| Not Available | MSRP | $249.00 |
| Navi II IGP | Generation | Battlemage |
Integrated | Segment | Desktop |
40 W | Power Consumption | 190 W |
| Memory | ||
| System-Shared | Memory Size | 12 GB |
| System-Shared | Memory Type | GDDR6 |
| System-Shared | Memory Bus | 192-bit |
| System-Shared | Bandwidth | 456 GB/s |
| Theoretical Performance | ||
| 30.4 GPixel/s | Pixel Fillrate | 213.6 GPixel/s |
| 45.6 GTexel/s | Texture Fillrate | 427.2 GTexel/s |
| 1.459 TFLOPS | FP32 | 13.67 TFLOPS |
