Two Nvidia data center GPUs, one Ampere and one Turing: 48 GB GDDR6 against 16 GB GDDR6 and 2.3x the memory bandwidth on the A40.
At a glance
Updated 8 minutes ago- Memory
- 48 GB
- GDDR6
- Memory bandwidth
- 696 GB/s
- From
- $1.05 /GPU/hr
- 6 providers
- Memory
- 16 GB
- GDDR6
- Memory bandwidth
- 300 GB/s
- From
- $0.20 /GPU/hr
- 10 providers
Price comparison
Cheapest listed price per GPU per hour by billing type, and the median across providers.
| Billing | A40 | T4 | Difference |
|---|---|---|---|
| On-demand | $1.05 | $0.20 | 5.2x more expensive on A40 |
| Spot | No spot listings | $0.10 | |
| Reserved | $0.61 | $0.20 | 3.1x more expensive on A40 |
| Median | $1.05 | $0.69 | 34% cheaper on T4 |
Median: Median across providers, one vote each, so a large catalog does not outweigh a small one.
Price history
A40 vs T4 price history
Weekly median on-demand price per GPU per hour
Specs comparison
| Spec | A40 | T4 | Difference |
|---|---|---|---|
| Memory | |||
| Capacity | 48 GB GDDR6 | 16 GB GDDR6 | 3x more on A40 |
| Bandwidth | 696 GB/s | 300 GB/s | 2.3x higher on A40 |
| Bus width | 384-bit | 256-bit | 1.5x wider on A40 |
| Compute · dense | |||
| FP16 / BF16 | 149.7 TFLOPS | 65 TFLOPS | 2.3x higher on A40 |
| INT8 | 299.3 TOPS | 130 TOPS | 2.3x higher on A40 |
| FP32 | 37.4 TFLOPS | 8.1 TFLOPS | 4.6x higher on A40 |
| Platform | |||
| Interconnect | PCIe only | PCIe only | |
| Board power | 300 W | 70 W | 4.3x higher on A40 |
| Released | Q4 2020 | Q3 2018 | 2 years newer on A40 |
| Precision | |||
| Supported formats | FP16BF16TF32FP32INT4INT8 | FP16FP32INT4INT8 | |
Compute: Vendor peak figures, dense and per GPU. Not measured throughput.
Source: A40 datasheet and T4 datasheet.
Where to rent them
Providers listing these GPUs, those with both first, so you can switch without moving clouds.
| Provider | A40 /GPU/hr | T4 /GPU/hr |
|---|---|---|
|
|
On-Demand $1.05 | -- |
|
|
Reserved (24mo) $0.61 | -- |
|
|
Reserved (36mo) $0.65 | -- |
|
|
Reservation on request | -- |
|
|
On-Demand $1.21 | -- |
|
|
On-Demand $1.49 | -- |
|
|
-- | On-Demand $0.56 |
|
|
-- | On-Demand $0.20 |
|
|
-- | On-Demand $0.40 |
|
|
-- | On-Demand $0.42 |
|
|
-- | On-Demand $0.53 |
|
|
-- | On-Demand $0.53 |
|
|
-- | On-Demand $0.59 |
|
|
-- | On-Demand $0.81 |
6 providers list the A40 and 10 the T4. Every listing is on the A40 page and the T4 page.
Similar GPUs
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Our data for Nvidia A40 was last updated on Sept. 7, 2026, and for Nvidia T4 on Sept. 7, 2026.