NVIDIA GeForce RTX 3080 12GB vs NVIDIA RTX A6000 48GB

The RTX A6000 delivers 2.5x the FP16 throughput of the GeForce RTX 3080 (155 vs 61 TFLOPS dense). The RTX A6000 also carries 36 GB more memory (48 GB vs 12 GB).

GeForce RTX 3080: Ampere, 2022 RTX A6000: Ampere, 2020
FP16 dense lead
2.5x
RTX A6000: 155 vs 61 TFLOPS
VRAM
12 vs 48 GB
36 GB more for the RTX A6000
TDP
350 W vs 300 W
RTX A6000 draws 50 W less

Specifications

GeForce RTX 3080
RTX A6000
Architecture
AmpereAmpere
Launch Year
20222020
Form Factor
PCIePCIe
VRAM
12 GB48 GB
Memory Bandwidth
768 GB/s
TDP
350 W300 W
Process Node
8nm8nm

Performance (TFLOPS)

GeForce RTX 3080
RTX A6000
FP64
0.5 TFlops 0.6 TFlops
FP32
30.6 TFlops 38.7 TFlops
TF32
30.6 TFlops
61.3 TFLOPS sparse
77.4 TFlops
154.8 TFLOPS sparse
BF16
61.3 TFlops
122.6 TFLOPS sparse
154.8 TFlops
309.6 TFLOPS sparse
FP16
61.3 TFlops
122.6 TFLOPS sparse
154.8 TFlops
309.6 TFLOPS sparse
FP8
No verified data available No verified data available
FP6
No verified data available No verified data available
FP4
No verified data available No verified data available
INT8
245.2 TFlops
490.3 TOPS sparse
309.7 TFlops
619.4 TOPS sparse

FLOPS by Precision

What actually differs

The GeForce RTX 3080 is the newer part: Ampere, launched in 2022, against the RTX A6000's Ampere from 2020. Newer architectures typically add lower-precision formats and better throughput per watt, so check the precision rows your workload actually uses.

Dense throughput for the GeForce RTX 3080 against the RTX A6000: FP64 0.5 vs 0.6 TFLOPS, FP32 31 vs 39 TFLOPS, FP16 61 vs 155 TFLOPS. Sparse figures, where the vendor publishes them, appear under each dense number in the performance table.

Memory is 12 GB against 48 GB. More memory per GPU means larger models fit before you have to shard across cards, which often matters more than raw TFLOPS for inference.

Power budgets are 350 W for the GeForce RTX 3080 and 300 W for the RTX A6000. At FP32 that works out to 0.09 against 0.13 TFLOPS per watt.

For LLM training and inference, weight the FP8 and FP16 rows and memory capacity most heavily. For scientific and HPC workloads, the FP64 row is the one to read.

Frequently asked questions

Is the GeForce RTX 3080 faster than the RTX A6000?

At FP16 precision the RTX A6000 reaches 155 TFLOPS dense against 61 TFLOPS for the GeForce RTX 3080. The performance table on this page lists every published precision for both GPUs.

Which has more memory, the GeForce RTX 3080 or the RTX A6000?

The RTX A6000 carries 48 GB of VRAM versus 12 GB for the GeForce RTX 3080.

How much power do the GeForce RTX 3080 and the RTX A6000 draw?

The GeForce RTX 3080 is rated at 350 W TDP and the RTX A6000 at 300 W. On FP32 throughput per watt, the RTX A6000 is the more efficient part.

Can I rent the GeForce RTX 3080 or the RTX A6000 in the cloud?

Yes. Live cloud listings tracked by Flopper start at $0.30 per GPU hour. The rental pricing section on this page lists current providers and rates for both GPUs.

Where to Rent

NVIDIA RTX A6000 48GB

ProviderConfigurationPrice/GPU-hrChecked
DataCrunch
1× RTX A6000 48GB Spot $0.30 2h ago View →
RunPod
1× RTX A6000 48GB Community $0.33 2h ago View →
Hyperstack
1× RTX A6000 48GB Spot $0.40 2h ago View →
Vast.ai
4× RTX A6000 48GB Community $0.45 2h ago View →
Hyperstack
1× RTX A6000 48GB $0.50 2h ago View →
RunPod
1× RTX A6000 48GB $0.53 2h ago View →
Massed Compute
8× RTX A6000 48GB $0.57 2h ago View →
DataCrunch
1× RTX A6000 48GB $0.61 2h ago View →
AceCloud
1× RTX A6000 48GB $0.93 2h ago View →
Lambda Labs
1× RTX A6000 48GB $1.09 2h ago View →
Paperspace
1× RTX A6000 48GB $1.93 2h ago View →
All RTX A6000 listings and price history →

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