The GeForce GT 645M is at least 2x slower gaming GPU than the GeForce GTX 980. We cannot compare value as at least one GPU is out of stock.
Advantages of the GeForce GT 645M
- Consumes up to 81% less energy – 32 vs 165 Watts
Advantages of the GeForce GTX 980
- At least 2x faster GPU for gaming
- Up to 100% more VRAM memory – 4 vs 2 GB
GeForce GT 645M vs GeForce GTX 980 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.
GeForce GTX 980
Sep 19th, 2014
Average FPS
70
100%
Min 1% FPS
35
100%
Price, $
$399
100%
Value, $/FPS
$5.7/FPS
100%
Buy on Amazon
$399.00
In Stock
Buy on Amazon
$124.50
In Stock
Buy on Amazon
$422.98
In Stock
GeForce GT 645M vs GeForce GTX 980 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 GeForce GTX 980 in synthetic GPU benchmarks
Performance Specifications
The GeForce GT 645M vs GeForce GTX 980 in core GPU performance specifications
GeForce GT 645M
Oct 1st, 2012
Memory
2 GB
50%
Memory Bandwidth
28.8 GB/s
13%
Pixel Fillrate
6.24 GPixel/s
8%
Texture Fillrate
24.96 GTexel/s
16%
FP32
599 GFLOPS
12%
GeForce GTX 980
Sep 19th, 2014
Memory
4 GB
100%
Memory Bandwidth
224.4 GB/s
100%
Pixel Fillrate
77.82 GPixel/s
100%
Texture Fillrate
155.6 GTexel/s
100%
FP32
4.981 TFLOPS
100%
Specifications
Comparison of all specifications
GeForce GT 645M | SpecificationsComparison of all specifications | GeForce GTX 980 |
|---|---|---|
| General | ||
| Oct 1st, 2012 | Release Date | Sep 19th, 2014 |
| Not Available | MSRP | $549.00 |
| GeForce 600M | Generation | GeForce 900 |
Laptop | Segment | Desktop |
32 W | Power Consumption | 165 W |
| Memory | ||
| 2 GB | Memory Size | 4 GB |
| DDR3 | Memory Type | GDDR5 |
| 128-bit | Memory Bus | 256-bit |
| 28.8 GB/s | Bandwidth | 224.4 GB/s |
| Theoretical Performance | ||
| 6.24 GPixel/s | Pixel Fillrate | 77.82 GPixel/s |
| 24.96 GTexel/s | Texture Fillrate | 155.6 GTexel/s |
| 599 GFLOPS | FP32 | 4.981 TFLOPS |
