The B300 is newer, with 6x the memory and 10x the bandwidth. The RTX A6000 is typically cheaper.
At a glance
Memory
6x more on B300
- RTX A6000
- 48 GB
- B300
- 288 GB
Memory bandwidth
10x higher on B300
- RTX A6000
- 768 GB/s
- B300
- 8,000 GB/s
Cheapest on-demand
93% cheaper on RTX A6000
- RTX A6000
- $0.35 /GPU/hr
- B300
- $4.99 /GPU/hr
Price comparison
Median price per GPU per hour by billing type, with the cheapest listing under it.
| Billing | RTX A6000 | B300 | Difference |
|---|---|---|---|
| On-demand | $0.60 /GPU/hr from $0.35 | $9.15 /GPU/hr from $4.99 | 93% cheaper on RTX A6000 |
| Reserved | $0.64 /GPU/hr from $0.35 | $5.78 /GPU/hr from $4.25 | 89% cheaper on RTX A6000 |
| Spot | $0.47 /GPU/hr from $0.40 | $5.72 /GPU/hr from $4.08 | 92% cheaper on RTX A6000 |
Heads up: A provider's own page may quote a different figure, for example on tax, region or a promotion. A monthly-only plan shows a derived hourly rate. Medians are across providers, one vote each, so a large catalog does not outweigh a small one. Verify before provisioning. More on how we price.
Price history
RTX A6000 vs B300 price history
Weekly median on-demand price per GPU per hour
Specs comparison
| Spec | RTX A6000 | B300 | Difference |
|---|---|---|---|
| Memory | |||
| Capacity | 48 GB GDDR6 | 288 GB HBM3e | 6x more on B300 |
| Bandwidth | 768 GB/s | 8,000 GB/s | 10x higher on B300 |
| Bus width | 384-bit | 8,192-bit | 21x wider on B300 |
| Compute · dense | |||
| FP4 | Not supported | 14,000 TFLOPS | B300 only |
| FP8 | Not supported | 4,500 TFLOPS | B300 only |
| FP16 / BF16 | 154.8 TFLOPS | 2,250 TFLOPS | 15x higher on B300 |
| INT8 | 309.7 TOPS | 153.5 TOPS | 2x higher on RTX A6000 |
| FP32 | 38.7 TFLOPS | 75 TFLOPS | 94% higher on B300 |
| FP64 | Not supported | 1.2 TFLOPS | B300 only |
| Platform | |||
| Interconnect | NVLink 112 GB/s | NVLink 1,800 GB/s | 16x higher on B300 |
| Board power | 300 W | 1,100 W | 3.7x higher on B300 |
| Released | Q4 2020 | Q1 2025 | 4 years newer on B300 |
| Precision | |||
| Supported formats | FP16BF16TF32FP32INT4INT8 | FP4FP6FP8FP16BF16TF32FP32FP64INT8 | |
Compute: Vendor peak figures, dense and per GPU. Not measured throughput.
Source: RTX A6000 datasheet and B300 datasheet.
Where to rent them
Providers that rent these GPUs, with each one's cheapest rate. Providers that rent both are listed first.
| Provider | RTX A6000 | B300 |
|---|---|---|
Lium
Distributed
|
$0.42 /GPU/hr On-demand | $8.00 /GPU/hr On-demand SXM |
Spheron
Singapore
|
$0.53 /GPU/hr On-demand PCIe | $12.41 /GPU/hr On-demand SXM |
Thunder Compute
USA
|
$0.35 /GPU/hr On-demand | -- |
GPU.ai
UAE
|
$0.40 /GPU/hr On-demand | -- |
Hyperstack
UK
|
$0.50 /GPU/hr On-demand | -- |
Massed Compute
USA
|
$0.55 /GPU/hr On-demand | -- |
Oblivus
USA
|
$0.55 /GPU/hr On-demand PCIe | -- |
Sesterce
France
|
$0.55 /GPU/hr On-demand | -- |
Daytona
USA
|
-- | $7.10 /GPU/hr On-demand |
UpCloud
Finland
|
-- | $7.99 /GPU/hr On-demand SXM |
Verda
Finland
|
-- | $10.48 /GPU/hr On-demand SXM |
Runcrate
USA
|
-- | $14.30 /GPU/hr On-demand NVL |
EmpirioLabs AI
USA
|
-- | $16.00 /GPU/hr On-demand |
GPUaaS
USA
|
-- | $5.00 /GPU/hr Custom SXM |
21 providers list the RTX A6000 and 37 the B300. Every listing is on the RTX A6000 page and the B300 page.
Similar GPUs
Other comparisons in the same class.
-
-
Nvidia RTX 6000 Ada
48 GB GDDR6 · 25% more bandwidth than the RTX A6000
On-demand from $0.65 /GPU/hr -
-
-
Our data for Nvidia RTX A6000 was last updated on Sept. 14, 2026, and for Nvidia B300 on Sept. 14, 2026.