The GeForce GT 645M 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 GeForce GT 645M
- Consumes up to 83% less energy – 32 vs 185 Watts
Advantages of the Radeon RX 580
- At least 2x faster GPU for gaming
- Up to 300% more VRAM memory – 8 vs 2 GB
GeForce GT 645M vs Radeon RX 580 for Gaming
The GPU's performance in selected game and settings
GeForce GT 645M
Oct 1st, 2012
Average FPS
41
59%
Min 1% FPS
16
46%
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, €
€126.12
100%
Value, €/FPS
€1.8/FPS
100%
Buy on Amazon
€126.12
In Stock
Buy on Amazon
€224.32
In Stock
Buy on Amazon
N/A
Out of Stock
GeForce GT 645M 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 GeForce GT 645M vs Radeon RX 580 in synthetic GPU benchmarks
Performance Specifications
The GeForce GT 645M vs Radeon RX 580 in core GPU performance specifications
GeForce GT 645M
Oct 1st, 2012
Memory
2 GB
25%
Memory Bandwidth
28.8 GB/s
11%
Pixel Fillrate
6.24 GPixel/s
15%
Texture Fillrate
24.96 GTexel/s
13%
FP32
599 GFLOPS
10%
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
GeForce GT 645M | SpecificationsComparison of all specifications | Radeon RX 580 |
|---|---|---|
| General | ||
| Oct 1st, 2012 | Release Date | Apr 18th, 2017 |
| Not Available | MSRP | $229.00 |
| GeForce 600M | Generation | Polaris |
Laptop | Segment | Desktop |
32 W | Power Consumption | 185 W |
| Memory | ||
| 2 GB | Memory Size | 8 GB |
| DDR3 | Memory Type | GDDR5 |
| 128-bit | Memory Bus | 256-bit |
| 28.8 GB/s | Bandwidth | 256 GB/s |
| Theoretical Performance | ||
| 6.24 GPixel/s | Pixel Fillrate | 42.88 GPixel/s |
| 24.96 GTexel/s | Texture Fillrate | 193 GTexel/s |
| 599 GFLOPS | FP32 | 6.175 TFLOPS |
