The GeForce GT 645M is at least 2x slower gaming GPU than the GeForce RTX 5080. We cannot compare value as at least one GPU is out of stock.
Advantages of the GeForce GT 645M
- Consumes up to 91% less energy – 32 vs 360 Watts
Advantages of the GeForce RTX 5080
- At least 2x faster GPU for gaming
- Up to 700% more VRAM memory – 16 vs 2 GB
GeForce GT 645M vs GeForce RTX 5080 for Gaming
The GPU's performance in selected game and settings
GeForce GT 645M
Oct 1st, 2012
Average FPS
41
19%
Min 1% FPS
16
12%
Price, $
Out of Stock
Value, $/FPS
Not Available
All items are out of stock.
GeForce RTX 5080
Jan 30th, 2025
Average FPS
214
100%
Min 1% FPS
139
100%
Price, $
$1985.95
100%
Value, $/FPS
$9.28/FPS
100%
Buy on Amazon
$1,985.95
In Stock
Buy on Amazon
$2,382.98
In Stock
Buy on Amazon
$1,950.00
In Stock
Buy on Amazon
$2,275.00
In Stock
Buy on Amazon
$2,199.94
In Stock
Buy on Amazon
$2,149.00
In Stock
Buy on Amazon
$2,453.90
In Stock
GeForce GT 645M vs GeForce RTX 5080 in My Games
The FPS you'll get in saved games
The FPS you'll get in saved games
Add a Game
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Synthetic Benchmarks
The GeForce GT 645M vs GeForce RTX 5080 in synthetic GPU benchmarks
Performance Specifications
The GeForce GT 645M vs GeForce RTX 5080 in core GPU performance specifications
GeForce GT 645M
Oct 1st, 2012
Memory
2 GB
12%
Memory Bandwidth
28.8 GB/s
3%
Pixel Fillrate
6.24 GPixel/s
2%
Texture Fillrate
24.96 GTexel/s
3%
FP32
599 GFLOPS
1%
GeForce RTX 5080
Jan 30th, 2025
Memory
16 GB
100%
Memory Bandwidth
960 GB/s
100%
Pixel Fillrate
335 GPixel/s
100%
Texture Fillrate
879.3 GTexel/s
100%
FP32
56.28 TFLOPS
100%
Specifications
Comparison of all specifications
GeForce GT 645M | SpecificationsComparison of all specifications | GeForce RTX 5080 |
|---|---|---|
| General | ||
| Oct 1st, 2012 | Release Date | Jan 30th, 2025 |
| Not Available | MSRP | $999.00 |
| GeForce 600M | Generation | GeForce 50 |
Laptop | Segment | Desktop |
32 W | Power Consumption | 360 W |
| Memory | ||
| 2 GB | Memory Size | 16 GB |
| DDR3 | Memory Type | GDDR7 |
| 128-bit | Memory Bus | 256-bit |
| 28.8 GB/s | Bandwidth | 960 GB/s |
| Theoretical Performance | ||
| 6.24 GPixel/s | Pixel Fillrate | 335 GPixel/s |
| 24.96 GTexel/s | Texture Fillrate | 879.3 GTexel/s |
| 599 GFLOPS | FP32 | 56.28 TFLOPS |
