A data center GPU against a workstation card, one Ada Lovelace and one Blackwell: 48 GB GDDR6 against 24 GB GDDR7 and 29% more memory bandwidth on the L40.
At a glance
Updated 3 minutes ago- Memory
- 48 GB
- GDDR6
- Memory bandwidth
- 864 GB/s
- From
- $0.33 /GPU/hr
- 14 providers
- Memory
- 24 GB
- GDDR7
- Memory bandwidth
- 672 GB/s
- From
- $0.20 /GPU/hr
- 3 providers
Price comparison
Cheapest listed price per GPU per hour by billing type, and the median across providers.
| Billing | L40 | RTX PRO 4000 | Difference |
|---|---|---|---|
| On-demand | $0.33 | $0.20 | 39% cheaper on RTX PRO 4000 |
| Spot | $0.40 | $0.18 | 2.3x more expensive on L40 |
| Reserved | $0.70 | $0.22 | 3.2x more expensive on L40 |
| Median | $1.00 | $0.41 | 2.4x more expensive on L40 |
Median: Median across providers, one vote each, so a large catalog does not outweigh a small one.
Price history
L40 vs RTX PRO 4000 price history
Weekly median on-demand price per GPU per hour
Specs comparison
| Spec | L40 | RTX PRO 4000 | Difference |
|---|---|---|---|
| Memory | |||
| Capacity | 48 GB GDDR6 | 24 GB GDDR7 | 2x more on L40 |
| Bandwidth | 864 GB/s | 672 GB/s | 1.3x higher on L40 |
| Bus width | 384-bit | 192-bit | 2x wider on L40 |
| Compute · dense | |||
| FP4 | Not supported | 589 TFLOPS | RTX PRO 4000 only |
| FP8 | 362 TFLOPS | 294.5 TFLOPS | 1.2x higher on L40 |
| FP16 / BF16 | 181.1 TFLOPS | 147.3 TFLOPS | 1.2x higher on L40 |
| INT8 | 362 TOPS | 294.5 TOPS | 1.2x higher on L40 |
| FP32 | 90.5 TFLOPS | 37 TFLOPS | 2.4x higher on L40 |
| Platform | |||
| Interconnect | PCIe only | PCIe only | |
| Board power | 300 W | 145 W | 2.1x higher on L40 |
| Released | Q4 2022 | Q1 2025 | 2 years newer on RTX PRO 4000 |
| Precision | |||
| Supported formats | FP8FP16BF16TF32FP32INT4INT8 | FP4FP8FP16BF16TF32FP32INT8 | |
Compute: Vendor peak figures, dense and per GPU. Not measured throughput.
Source: L40 datasheet and RTX PRO 4000 datasheet.
Where to rent them
Providers listing these GPUs, those with both first, so you can switch without moving clouds.
| Provider | L40 /GPU/hr | RTX PRO 4000 /GPU/hr |
|---|---|---|
Vast.ai
|
On-Demand $0.46 | On-Demand $0.20 |
Lium
|
On-Demand $0.33 | -- |
EmpirioLabs AI
|
On-Demand $0.70 | -- |
GPU.ai
|
On-Demand $0.78 | -- |
Thunder Compute
|
On-Demand $0.79 | -- |
Massed Compute
|
On-Demand $0.86 | -- |
Sesterce
|
On-Demand $0.97 | -- |
Runcrate
|
On-Demand $0.97 | -- |
Runpod
|
-- | On-Demand $0.57 |
Database Mart
|
-- | Reserved (24mo) $0.26 |
14 providers list the L40 and 3 the RTX PRO 4000. Every listing is on the L40 page and the RTX PRO 4000 page.
Similar GPUs
Other comparisons in the same class.
Our data for Nvidia L40 was last updated on Sept. 7, 2026, and for Nvidia RTX PRO 4000 on Sept. 7, 2026.