The P40 is newer, with 12x the memory and 25x the bandwidth.
At a glance
Memory
12x more on P40
- GT 730
- 2 GB
- P40
- 24 GB
Memory bandwidth
25x higher on P40
- GT 730
- 14 GB/s
- P40
- 346 GB/s
Cheapest on-demand
- GT 730
- --
- P40
- --
Price comparison
Median price per GPU per hour by billing type, with the cheapest listing under it.
Price history
GT 730 vs P40 price history
Weekly median on-demand price per GPU per hour
Aggregating historical prices...
Specs comparison
| Spec | GT 730 | P40 | Difference |
|---|---|---|---|
| Memory | |||
| Capacity | 2 GB DDR3 | 24 GB GDDR5 | 12x more on P40 |
| Bandwidth | 14 GB/s | 346 GB/s | 25x higher on P40 |
| Bus width | 64-bit | 384-bit | 6x wider on P40 |
| Compute · dense | |||
| INT8 | Not supported | 47 TOPS | P40 only |
| FP32 | 0.7 TFLOPS | 12 TFLOPS | 17x higher on P40 |
| Platform | |||
| Interconnect | PCIe only | PCIe only | |
| Board power | 23 W | 250 W | 11x higher on P40 |
| Released | Q2 2014 | Q3 2016 | 2 years newer on P40 |
| Precision | |||
| Supported formats | FP32 | FP16FP32INT8 | |
Compute: Vendor peak figures, dense and per GPU. Not measured throughput.
Source: P40 datasheet.
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Our data for Nvidia GT 730 was last updated on Sept. 14, 2026, and for Nvidia P40 on Sept. 14, 2026.