The GeForce GT 645M is a much slower gaming GPU than the GeForce GT 740. We cannot compare value as at least one GPU is out of stock.
Advantages of the GeForce GT 645M
- Consumes up to 50% less energy – 32 vs 64 Watts
- Up to 100% more VRAM memory – 2 vs 1 GB
Advantages of the GeForce GT 740
- A much faster GPU for gaming
GeForce GT 645M vs GeForce GT 740 for Gaming
The GPU's performance in selected game and settings
GeForce GT 645M
Oct 1st, 2012
Average FPS
41
98%
Min 1% FPS
16
100%
Price, $
Out of Stock
Value, $/FPS
Not Available
All items are out of stock.
GeForce GT 740
May 29th, 2014
Average FPS
42
100%
Min 1% FPS
16
100%
Price, $
$72.98
100%
Value, $/FPS
$1.73/FPS
100%
Buy on Amazon
$72.98
In Stock
Buy on Amazon
$118.02
In Stock
GeForce GT 645M vs GeForce GT 740 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 GT 740 in synthetic GPU benchmarks
Performance Specifications
The GeForce GT 645M vs GeForce GT 740 in core GPU performance specifications
GeForce GT 645M
Oct 1st, 2012
Memory
2 GB
100%
Memory Bandwidth
28.8 GB/s
36%
Pixel Fillrate
6.24 GPixel/s
79%
Texture Fillrate
24.96 GTexel/s
79%
FP32
599 GFLOPS
79%
GeForce GT 740
May 29th, 2014
Memory
1 GB
50%
Memory Bandwidth
80.19 GB/s
100%
Pixel Fillrate
7.944 GPixel/s
100%
Texture Fillrate
31.78 GTexel/s
100%
FP32
762.6 GFLOPS
100%
Specifications
Comparison of all specifications
GeForce GT 645M | SpecificationsComparison of all specifications | GeForce GT 740 |
|---|---|---|
| General | ||
| Oct 1st, 2012 | Release Date | May 29th, 2014 |
| Not Available | MSRP | $89.00 |
| GeForce 600M | Generation | GeForce 700 |
Laptop | Segment | Desktop |
32 W | Power Consumption | 64 W |
| Memory | ||
2 GB | Memory Size | 1 GB |
| DDR3 | Memory Type | GDDR5 |
| 128-bit | Memory Bus | 128-bit |
| 28.8 GB/s | Bandwidth | 80.19 GB/s |
| Theoretical Performance | ||
| 6.24 GPixel/s | Pixel Fillrate | 7.944 GPixel/s |
| 24.96 GTexel/s | Texture Fillrate | 31.78 GTexel/s |
| 599 GFLOPS | FP32 | 762.6 GFLOPS |
