The GeForce GT 645M is at least 2x slower gaming GPU than the GeForce RTX 4080. We cannot compare value as at least one GPU is out of stock.
Advantages of the GeForce GT 645M
- Consumes up to 90% less energy – 32 vs 320 Watts
Advantages of the GeForce RTX 4080
- At least 2x faster GPU for gaming
- Up to 700% more VRAM memory – 16 vs 2 GB
GeForce GT 645M vs GeForce RTX 4080 for Gaming
The GPU's performance in selected game and settings
GeForce GT 645M
Oct 1st, 2012
Average FPS
41
21%
Min 1% FPS
16
13%
Price, $
Out of Stock
Value, $/FPS
Not Available
All items are out of stock.
GeForce RTX 4080
Sep 20th, 2022
Average FPS
197
100%
Min 1% FPS
126
100%
Price, $
Out of Stock
Value, $/FPS
Not Available
All items are out of stock.
GeForce GT 645M vs GeForce RTX 4080 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 RTX 4080 in synthetic GPU benchmarks
Performance Specifications
The GeForce GT 645M vs GeForce RTX 4080 in core GPU performance specifications
GeForce GT 645M
Oct 1st, 2012
Memory
2 GB
12%
Memory Bandwidth
28.8 GB/s
4%
Pixel Fillrate
6.24 GPixel/s
2%
Texture Fillrate
24.96 GTexel/s
3%
FP32
599 GFLOPS
1%
GeForce RTX 4080
Sep 20th, 2022
Memory
16 GB
100%
Memory Bandwidth
716.8 GB/s
100%
Pixel Fillrate
280.6 GPixel/s
100%
Texture Fillrate
761.5 GTexel/s
100%
FP32
48.74 TFLOPS
100%
Specifications
Comparison of all specifications
GeForce GT 645M | SpecificationsComparison of all specifications | GeForce RTX 4080 |
|---|---|---|
| General | ||
| Oct 1st, 2012 | Release Date | Sep 20th, 2022 |
| Not Available | MSRP | $1,199.00 |
| GeForce 600M | Generation | GeForce 40 |
Laptop | Segment | Desktop |
32 W | Power Consumption | 320 W |
| Memory | ||
| 2 GB | Memory Size | 16 GB |
| DDR3 | Memory Type | GDDR6X |
| 128-bit | Memory Bus | 256-bit |
| 28.8 GB/s | Bandwidth | 716.8 GB/s |
| Theoretical Performance | ||
| 6.24 GPixel/s | Pixel Fillrate | 280.6 GPixel/s |
| 24.96 GTexel/s | Texture Fillrate | 761.5 GTexel/s |
| 599 GFLOPS | FP32 | 48.74 TFLOPS |
