NVIDIA RTX 4000 (Ada Generation) vs NVIDIA RTX A4000, AI & Machine Learning Comparison
NVIDIA RTX A4000 wins 3 of 10 benchmarks, averaging 3% faster.
Both cards were measured first-party on our bench, same suite, same test rig.
What the numbers say
The gap is widest in Stable Diffusion XL, where NVIDIA RTX 4000 (Ada Generation) leads by 25% (6.56 vs 5.24 images/min); the closest fight is Qwen3 4B (5% apart); VRAM decides part of this one: NVIDIA RTX 4000 (Ada Generation) runs 6 of our 12 AI workloads while the other card runs 4, models that don't fit score zero.
Benchmark results head-to-head
| Benchmark | NVIDIA RTX 4000 (Ada Generation) | NVIDIA RTX A4000 | Difference |
|---|---|---|---|
| Qwen3 4B tok/s | 110.18 | 116.23 | -5% |
| Llama 3.1 8B tok/s | 66.59 | 75.52 | -12% |
| Qwen2.5-Coder 14B tok/s | 36.34 | 41.13 | -12% |
| Qwen3 32B tok/s | 0 | 0 | n/a |
| Llama 3.3 70B tok/s | 0 | 0 | n/a |
| Stable Diffusion XL images/min | 6.56 | 5.24 | +25% |
| FLUX.1 dev images/min | 0 | 0 | n/a |
| FLUX.1 Kontext dev images/min | 0 | 0 | n/a |
| Qwen-Image-Edit images/min | 0 | 0 | n/a |
| Wan 2.2 5B (720p) frames/s | 0.18 | 0 | n/a |
Whole-job comparison
How long each card takes to finish a complete pipeline, not just one model. NVIDIA RTX 4000 (Ada Generation) is faster on 0 of 1; NVIDIA RTX A4000 on 1.
| Workflow | NVIDIA RTX 4000 (Ada Generation) | NVIDIA RTX A4000 | Difference | Cost per run |
|---|---|---|---|---|
| Full codebase review | 27.5 min | 24.3 min | NVIDIA RTX A4000 1.13x faster | $0.092 vs $0.069 |
Renting by the hour, NVIDIA RTX A4000 finishes 1 of 1 cheaper. The quicker card is not automatically the cheaper way to get the work done.
Cost to rent
| Card | Per hour |
|---|---|
| NVIDIA RTX 4000 (Ada Generation) | $0.200 |
| NVIDIA RTX A4000 | $0.170 |
NVIDIA RTX A4000 is 1.18x cheaper per hour. Cheapest on-demand rate we see across RunPod and Vast.
Specifications compared
| NVIDIA RTX 4000 (Ada Generation) | NVIDIA RTX A4000 | |
|---|---|---|
| VRAM | 20GB | 16GB |
| Architecture | Ada Lovelace | Ampere |
| Memory bandwidth | 360 GB/s | 448 GB/s |
| Boost clock | 2,175 MHz | 1,560 MHz |
| TDP | 130 W | 140 W |
| Launch MSRP | $1,250 | $999 |
| Release | 2023-08-09 | 2021-04-12 |
FAQ
- Which is better for ai & machine learning: NVIDIA RTX 4000 (Ada Generation) or NVIDIA RTX A4000?
- NVIDIA RTX A4000 performs better for ai & machine learning, winning 3 of 10 benchmarks in our suite with an average 3% advantage.
- What are the main hardware differences between NVIDIA RTX 4000 (Ada Generation) and NVIDIA RTX A4000?
- NVIDIA RTX 4000 (Ada Generation) has 20GB VRAM and a 130W TDP, while NVIDIA RTX A4000 has 16GB VRAM and a 140W TDP.
- Does VRAM matter more than speed between NVIDIA RTX 4000 (Ada Generation) and NVIDIA RTX A4000?
- For AI, yes, NVIDIA RTX 4000 (Ada Generation) fits 1 more of our 12 workloads than NVIDIA RTX A4000. A model that exceeds VRAM doesn't run slower, it doesn't run at all, so the card that fits the model wins that workload outright.
- Where is the biggest performance difference between NVIDIA RTX 4000 (Ada Generation) and NVIDIA RTX A4000?
- Stable Diffusion XL: NVIDIA RTX 4000 (Ada Generation) leads by roughly 25% (6.56 vs 5.24 images/min) in our testing.
NVIDIA RTX 4000 (Ada Generation) full review · NVIDIA RTX A4000 full review · All AI & Machine Learning rankings