RTX A4500 vs RTX PRO 4000: Specs, VRAM & Price
Short answer: choose the RTX PRO 4000 when 24 GB of VRAM is the gating requirement. Choose the RTX A4500 when 20 GB is enough for the workload and the lower hourly rate points that way.
The RTX A4500 has 20 GB of VRAM; the RTX PRO 4000 has 24 GB.
You can rent both by the hour, no purchase required. RTX A4500 from $0.209/GPU/hr; RTX PRO 4000 from $0.449/GPU/hr. The RTX A4500 is 53% cheaper at the entry rate.
RTX A4500
Good for inference and small-scale training workloads
RTX PRO 4000
Good for inference and light fine-tuning workloads
Last updated: 2026-10-10 22:52:54 UTCRefreshes hourly
Specs side by side
| Spec | RTX A4500 | RTX PRO 4000 |
|---|---|---|
| VRAM | 20 GB | 24 GB |
| Architecture | Ampere | Blackwell |
| Compute capability | – | 12.0 |
| Precisions in hardware | FP32, FP16, BF16, INT4 | FP32, FP16, BF16, FP8, INT4 |
| Regions | 1 | 2 |
On-demand price
| Rate | RTX A4500 | RTX PRO 4000 |
|---|---|---|
| Lowest per GPU/hr | $0.275/GPU/hr | $0.627/GPU/hr |
Which is better for AI: RTX A4500 or RTX PRO 4000?
Choose the RTX PRO 4000 when 24 GB of VRAM is the gating requirement. Choose the RTX A4500 when 20 GB is enough for the workload and the lower hourly rate points that way.
RTX A4500 vs RTX PRO 4000: common questions
Is the RTX A4500 or the RTX PRO 4000 better for AI?
Short answer: choose the RTX PRO 4000 when 24 GB of VRAM is the gating requirement. Choose the RTX A4500 when 20 GB is enough for the workload and the lower hourly rate points that way.
Is the RTX A4500 or the RTX PRO 4000 cheaper to rent?
On Aquanode's live marketplace the RTX A4500 starts at $0.209/GPU/hr (median $0.242/GPU/hr) and the RTX PRO 4000 starts at $0.449/GPU/hr (median $0.627/GPU/hr). The RTX A4500 is the cheaper of the two at the entry rate, by 53%.
What is the difference between the RTX A4500 and the RTX PRO 4000?
The RTX A4500 has 20 GB of VRAM against the RTX PRO 4000's 24 GB; the RTX A4500 is an Ampere part and the RTX PRO 4000 is Blackwell; only the RTX PRO 4000 supports FP8 compute. On price, the RTX A4500 lists from $0.209/GPU/hr and the RTX PRO 4000 from $0.449/GPU/hr.
How widely available are the RTX A4500 and the RTX PRO 4000?
The RTX A4500 is listed in 1 region and the RTX PRO 4000 in 2 regions right now.
How much does 1,000 GPU-hours cost on the RTX A4500 vs the RTX PRO 4000?
At the lowest rates listed today, 1,000 GPU-hours costs $209 on the RTX A4500 and $449 on the RTX PRO 4000, a difference of $240 for the same runtime. Rates are per GPU per hour and update hourly.
How much VRAM does the RTX A4500 have compared to the RTX PRO 4000?
The RTX A4500 has 20 GB of VRAM; the RTX PRO 4000 has 24 GB.
How this comparison is calculated
Every price is normalized to a per-GPU hourly rate using the same pipeline as every other pricing surface on Aquanode, and only the cheapest qualifying offer per provider is shown. A dash means that provider does not currently list that GPU.
Architecture, compute capability and supported precisions come from each vendor's published datasheet for that generation, not from the marketplace feed. This page regenerates at most once per hour.
Memory bandwidth, tensor TFLOPS, NVLink/interconnect and max board power are the same verified-from-datasheet figures shown on each model's own RTX A4500 page and RTX PRO 4000 page, which link the primary vendor source for that model. A dash here means Aquanode hasn't verified that figure from a primary source yet, never a guess.
Go further
Check what fits in each card's memory with the RTX A4500 VRAM calculator and the RTX PRO 4000 VRAM calculator, or browse every model by generation in the GPU index.
More RTX A4500 comparisons
More RTX PRO 4000 comparisons
Related reading: H100 pricing and specs, H100 vs H200, A100 vs H100, H100 and H200: SXM vs NVL vs PCIe, and The best GPUs for AI, ranked.
