Compare
NVIDIA A40 vs NVIDIA RTX A4000
Quick links:
Best GPUs for deep learning, AI development, compute in 2023–2024. Recommended GPU & hardware for AI training, inference (LLMs, generative AI). GPU training, inference benchmarks using PyTorch, TensorFlow for computer vision (CV), NLP, text-to-speech, etc.
We benchmark these GPUs and compare AI performance (deep learning training; FP16, FP32, PyTorch, TensorFlow), 3d rendering, Cryo-EM performance in the most popular apps (Octane, VRay, Redshift, Blender, Luxmark, Unreal Engine, Relion Cryo-EM).
Our benchmarks will help you decide which GPU (NVIDIA RTX 4090/4080, H100 Hopper, H200, A100, RTX 6000 Ada, A6000, A5000, or RTX 6000 ADA Lovelace) is the best GPU for your needs. We provide an in-depth analysis of the AI performance of each graphic card's performance so you can make the most informed decision possible. We offer deep learning and 3d rendering benchmarks that will help you get the most out of your hardware.
Looking for a GPU workstation or server for AI/ML, design, rendering, simulation or molecular dynamics? Explore BIZON AI workstations or GPU servers. Contact us today or explore our various customizable AI solutions.
Featured GPU benchmarks:
- NVIDIA H100 vs. A100 vs. RTX 6000 Ada
- NVIDIA RTX 4090 vs. RTX 4080 vs. RTX 3090
- NVIDIA RTX 3080 vs. 3080 Ti vs. RTX 3090
- NVIDIA RTX 3090 vs. NVIDIA A6000
- NVIDIA A6000 vs. A5000 vs. NVIDIA RTX 3090
- NVIDIA A100 vs. NVIDIA A6000
- NVIDIA RTX 2080 Ti vs. Titan RTX vs Quadro RTX8000
Benchmarks
Deep Learning GPU Benchmarks 2024–2025 [Updated]
Resnet50 (FP16)
1 GPU
NVIDIA A40
1262
NVIDIA RTX A4000
604
4 GPU
NVIDIA A40
5641
NVIDIA RTX A4000
1330
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
Resnet50 (FP16 XLA)
1 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
4 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
Resnet50 (FP32)
1 GPU
NVIDIA A40
431
NVIDIA RTX A4000
232
4 GPU
NVIDIA A40
2134
NVIDIA RTX A4000
510
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
Resnet50 (FP32 XLA)
1 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
4 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
Resnet152 (FP16)
1 GPU
NVIDIA A40
511
NVIDIA RTX A4000
245
4 GPU
NVIDIA A40
2285
NVIDIA RTX A4000
539
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
Resnet152 (FP16 XLA)
1 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
4 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
Resnet152 (FP32)
1 GPU
NVIDIA A40
166
NVIDIA RTX A4000
89
4 GPU
NVIDIA A40
822
NVIDIA RTX A4000
196
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
Resnet152 (FP32 XLA)
1 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
4 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
Inception V3 (FP16)
1 GPU
NVIDIA A40
761
NVIDIA RTX A4000
364
4 GPU
NVIDIA A40
3402
NVIDIA RTX A4000
802
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
Inception V3 (FP16 XLA)
1 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
4 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
Inception V3 (FP32)
1 GPU
NVIDIA A40
273
NVIDIA RTX A4000
146
4 GPU
NVIDIA A40
1349
NVIDIA RTX A4000
322
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
Inception V3 (FP32 XLA)
1 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
4 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
Inception V4 (FP16)
1 GPU
NVIDIA A40
353
NVIDIA RTX A4000
157
4 GPU
NVIDIA A40
1575
NVIDIA RTX A4000
346
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
Inception V4 (FP16 XLA)
1 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
4 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
Inception V4 (FP32)
1 GPU
NVIDIA A40
122
NVIDIA RTX A4000
65
4 GPU
NVIDIA A40
602
NVIDIA RTX A4000
144
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
Inception V4 (FP32 XLA)
1 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
4 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
VGG16 (FP16)
1 GPU
NVIDIA A40
450
NVIDIA RTX A4000
216
4 GPU
NVIDIA A40
2012
NVIDIA RTX A4000
474
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
VGG16 (FP16 XLA)
1 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
4 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
VGG16 (FP32)
1 GPU
NVIDIA A40
248
NVIDIA RTX A4000
133
4 GPU
NVIDIA A40
1223
NVIDIA RTX A4000
293
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
VGG16 (FP32 XLA)
1 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
4 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
Googlenet (FP16)
1 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
4 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
Googlenet (FP32)
1 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
4 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
3D, GPU Rendering Benchmarks 2024–2025 [Updated]
V-Ray
1 GPU
NVIDIA A40
2540
NVIDIA RTX A4000
1594
4 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
Octane
1 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
442
4 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
Redshift
1 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
4.4
4 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
Blender
1 GPU
NVIDIA A40
4439.17
NVIDIA RTX A4000
3285.59
4 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
Luxmark
1 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
4 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
Unreal Engine
1 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
26.4
4 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
RELION Cryo-EM Benchmarks 2024-2025 [Updated]
Total run time
1 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
4 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
BERT LARGE Training, Inference Benchmark 2024-2025 [Updated]
Training Time (FP16)
1 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
2.05
4 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
2.63
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
Performance (FP16)
1 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
30.59
4 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
102.85
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
Training Time (FP32)
1 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
3.85
4 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
4.48
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
Performance (FP32)
1 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
29.18
4 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
105.07
8 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
Llama3 70B Inference Benchmark 2024–2025 [Updated]
Eval rate
1 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
2 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
4 GPU
NVIDIA A40
n/a
NVIDIA RTX A4000
n/a
Technical Specifications
Board Design
| NVIDIA A40 | NVIDIA RTX A4000 | |
|---|---|---|
| Length | 267 mm | 241 mm |
| Outputs | 3x DisplayPort | 4x DisplayPort |
| Power Connectors | 8-pin EPS | 1x 6-pin |
| Slot width | Dual-slot | Single-slot |
| TDP | 300 W | 140 W |
Clock Speeds
| NVIDIA A40 | NVIDIA RTX A4000 | |
|---|---|---|
| Boost Clock | 1740 MHz | 1560 MHz |
| GPU Clock | 1305 MHz | 735 MHz |
| Memory Clock | 14500 MHz | 16000 MHz |
Graphics Card
| NVIDIA A40 | NVIDIA RTX A4000 | |
|---|---|---|
| Bus Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| Generation | Tesla (Axx) | Quadro (Ax000) |
Graphics Features
| NVIDIA A40 | NVIDIA RTX A4000 | |
|---|---|---|
| DirectX | 12 Ultimate (12_2) | 12 Ultimate (12_2) |
| OpenCL | 3.0 | 3.0 |
| OpenGL | 4.6 | 4.6 |
| Shader Model | 6.6 | 6.6 |
| CUDA | 8.6 | 8.6 |
Graphics Processor
| NVIDIA A40 | NVIDIA RTX A4000 | |
|---|---|---|
| Architecture | Ampere | Ampere |
| Die Size | 628 mm2 | 392 mm2 |
| GPU Name | GA102 | GA104 |
| Process Size | 8 nm | 8 nm |
| Transistors | 28300 million | 17400 million |
Memory
| NVIDIA A40 | NVIDIA RTX A4000 | |
|---|---|---|
| Bandwidth | 695.8 GB/s | 448 GB/s |
| Memory Bus | 384 bit | 256 bit |
| Memory Size | 48 GB | 16 GB |
| Memory Type | GDDR6 | GDDR6 |
Render Config
| NVIDIA A40 | NVIDIA RTX A4000 | |
|---|---|---|
| ROPs | 112 | 96 |
| RT Cores | 84 | 48 |
| Shading Units/ CUDA Cores | 10752 | 6144 |
| TMUs | 336 | 192 |
| Tensor Cores | 336 | 192 |
Theoretical Performance
| NVIDIA A40 | NVIDIA RTX A4000 | |
|---|---|---|
| FP16 (half) performance | 37.42 TFLOPS | 19.17 TFLOPS |
| FP32 (float) performance | 37.42 TFLOPS | 19.17 TFLOPS |
| FP64 (double) performance | 584.6 GFLOPS | 599 GFLOPS |
| Pixel Rate | 194.9 GPixel/s | 149.8 GPixel/s |
| Texture Rate | 584.6 GTexel/s | 299.5 GTexel/s |
Price
| NVIDIA A40 | NVIDIA RTX A4000 | |
|---|---|---|
| Release Date | Oct 5th, 2020 | Apr 12th, 2021 |
| MSRP | $ | 999 $ |
Test bench configuration
| NVIDIA A40 | NVIDIA RTX A4000 | |
|---|---|---|
| Hardware | BIZON X5000 More details | BIZON X5000 More details |
| Software | 3D Rendering: Nvidia Driver: 461.40 VRay Benchmark: 5 Octane Benchmark: 2020.1.5 Redshift Benchmark: 3.0.28 Demo Blender: 2.90 Luxmark: 3.1 | 3D Rendering: Nvidia Driver: 461.40 VRay Benchmark: 5 Octane Benchmark: 2020.1.5 Redshift Benchmark: 3.0.28 Demo Blender: 2.90 Luxmark: 3.1 |
Recommended hardware
| NVIDIA A40 | NVIDIA RTX A4000 | |
|---|---|---|
| Best GPU workstations | BIZON X5500 | BIZON X5500 |
| Best NVIDIA GPU servers | BIZON X7000 | BIZON X7000 |