A100 PCIe 40GB vs RTX 5880 Ada

AmperevsAda LovelaceUpdated 35 days ago

The A100 PCIe 40GB emerges as the winner for dominant AI training use cases: 312 TFLOPS FP16 and 2039 GB/s bandwidth deliver unmatched throughput for LLMs, outpacing RTX 5880 Ada's 69.7 TFLOPS balanced specs. Cloud pricing from $0.60 per hour seals its edge over unavailable RTX listings.

A100 PCIe 40GB from $0.73/hr

Specifications Compared

SpecA100RTX-5880-ADA
TDP400W285W
VRAM40-80 GB48 GB
CUDA Cores6,91214,080
Memory TypeHBM2eGDDR6
ArchitectureAmpereAda Lovelace
Form FactorsSXM4, PCIePCIe
InterconnectNVLink, PCIe 4.0, InfiniBand
Tensor Cores432440
FP16 Performance312 TFLOPS69.7 TFLOPS
FP32 Performance19.5 TFLOPS69.7 TFLOPS
FP64 Performance9.7 TFLOPS
INT8 Performance624 TOPS1,115 TOPS
Memory Bandwidth2,039 GB/s960 GB/s

Performance Analysis

FP16 performance reveals a clear leader for AI training: A100 PCIe 40GB achieves 312 TFLOPS, over four times the RTX 5880 Ada's 69.7 TFLOPS, accelerating half-precision matrix operations central to deep learning. RTX 5880 Ada's identical 69.7 TFLOPS FP32 surpasses A100's 19.5 TFLOPS, aiding single-precision inference or simulation where full precision matters more than tensor core peaks.

Memory bandwidth dictates real-world scalability: A100's 2039 GB/s HBM2e supports larger batch sizes in LLM training, minimizing data starvation compared to RTX 5880 Ada's 960 GB/s GDDR6. This gap affects model sizes; A100 handles 40 GB datasets fluidly, while RTX 5880 Ada's 48 GB capacity shines in VRAM-bound but bandwidth-tolerant inference. Power efficiency favors RTX 5880 Ada at 285W, reducing cooling needs versus A100's 400W draw.

Interconnects further differentiate: A100's NVLink, PCIe 4.0, and InfiniBand enable multi-GPU scaling, absent on RTX 5880 Ada, impacting distributed training throughput.

Live Cloud Pricing

Real-time prices from 25+ providers. Updated every 60 seconds.

A100 PCIe 40GB

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
Vast.ai
Vast.ai
NVIDIA A100 SXM4 80GB
80GB VRAM
$0.73/GPU/hr
Available
Vast.ai
Vast.ai
2×NVIDIA A100 SXM4 80GB
80GB VRAM
$0.73/GPU/hr
$1.47/hr total (2×)
Available
LeaderGPU
LeaderGPU
8×NVIDIA A100 PCIe 80GB
80GB VRAM
$0.90/GPU/hr
$7.20/hr total (8×)
Available
Vast.ai
Vast.ai
NVIDIA A100 SXM4 80GB
80GB VRAM
$1.00/GPU/hr
Available
Denvr
Denvr
4×NVIDIA A100 PCIe 80GB
80GB VRAM
$1.15/GPU/hr
$4.60/hr total (4×)

Compare real-time pricing across 25+ providers

When to Choose the A100 PCIe 40GB

Select the A100 PCIe 40GB for large-scale AI training and HPC: its 312 TFLOPS FP16 and 2039 GB/s bandwidth process massive LLMs efficiently. NVLink and InfiniBand support cluster scaling unavailable on RTX 5880 Ada.

Cloud deployments favor A100, with pricing from $0.60 per hour across 11 offers, ideal for bursty workloads exceeding workstation limits.

When to Choose the RTX 5880 Ada

Opt for RTX 5880 Ada in professional workstations: 69.7 TFLOPS FP32 and 285W TDP suit balanced inference, rendering, and fine-tuning without datacenter overhead. Its 48 GB GDDR6 VRAM handles VRAM-intensive tasks like Stable Diffusion on single GPUs.

Newer Ada Lovelace architecture provides RT and tensor core advancements for graphics-hybrid workflows, where A100's older Ampere lacks parity.

Use Cases

LLM Training
A100 PCIe 40GB

A100's 312 TFLOPS FP16 vastly outperforms RTX 5880 Ada's 69.7 TFLOPS, speeding large model training. High 2039 GB/s bandwidth supports bigger batches.

LLM Inference
RTX 5880 Ada

RTX 5880 Ada's 69.7 TFLOPS FP32 exceeds A100's 19.5 TFLOPS for precision inference. Lower 285W TDP fits efficient serving.

Fine-tuning
A100 PCIe 40GB

A100's 312 TFLOPS FP16 accelerates fine-tuning iterations over 69.7 TFLOPS. 40 GB HBM2e handles adapter-heavy workloads.

Stable Diffusion
RTX 5880 Ada

RTX 5880 Ada's Ada architecture and 69.7 TFLOPS FP32 optimize diffusion rendering. 48 GB VRAM supports high-res generations.

Scientific Computing
A100 PCIe 40GB

A100's 2039 GB/s bandwidth and NVLink excel in simulations. 312 TFLOPS FP16 boosts HPC tensor operations.

Frequently Asked Questions

Which GPU has more VRAM?

RTX 5880 Ada provides 48 GB GDDR6, edging A100 PCIe 40GB's 40 GB HBM2e. A100's HBM2e offers superior speed despite lower capacity.

What is the FP16 performance difference?

A100 PCIe 40GB delivers 312 TFLOPS FP16, over four times RTX 5880 Ada's 69.7 TFLOPS. This favors A100 in training-heavy AI tasks.

How do memory bandwidths compare?

A100 PCIe 40GB achieves 2039 GB/s with HBM2e, more than double RTX 5880 Ada's 960 GB/s GDDR6. Bandwidth aids large-batch processing.

What are the power consumption ratings?

RTX 5880 Ada uses 285W TDP, lower than A100 PCIe 40GB's 400W. This makes RTX more efficient for workstations.

Is cloud pricing available for these GPUs?

A100 PCIe 40GB starts at $0.60 per hour, averaging $1.85 per hour across 11 offers. RTX 5880 Ada has no live cloud offers.

Which supports multi-GPU interconnects?

A100 PCIe 40GB includes NVLink, PCIe 4.0, and InfiniBand for scaling. RTX 5880 Ada lacks specified interconnects beyond PCIe.

Which is cheaper to rent, the A100 or the RTX 5880 Ada?

Cloud rental prices for both the A100 and RTX 5880 Ada vary by provider, configuration, and availability. This page shows live pricing from 25+ providers updated every 60 seconds. Scroll to the Live Cloud Pricing section to compare current rates.

How much VRAM does the A100 have compared to the RTX 5880 Ada?

The A100 has 40 to 80 GB of HBM2e memory. The RTX 5880 Ada has 48 GB of GDDR6 memory.

Can I find A100 and RTX 5880 Ada GPUs available to rent right now?

Yes. This page shows real-time availability across 25+ cloud GPU providers. The Live Cloud Pricing section displays only in-stock offers with current pricing.

What is the main difference between the A100 and the RTX 5880 Ada?

The A100 uses the Ampere architecture (2020) while the RTX 5880 Ada uses Ada Lovelace (2024). The A100 delivers 4.5x the FP16 throughput and 2.1x the memory bandwidth of the RTX 5880 Ada.

A100 PCIe 40GB vs RTX 5880 Ada: 80GB vs 48GB | GPUPerHour